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STEREO DIRECTORY & BUYING GUIDE 1975
Die Verstärker in den USA von 1974

Bei der Menge der Verstärker (und der anderen Geräte) habe ich beim Scannen und OCR Lesen nicht mehr auf die korrekte Rechtschreibung geachtet. Das war einfach zu mühsam. Es kommt mehr auf den Modell-Namen an, die rudimentären technischen Daten (nach amerikanischem Gusto) und dem mittleren Preis in US Dollar von 1974

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AUDIONICS ASA-300 Stereo Amplifier

Medium-power amplifier providing 100 W/ch at 8 ohms; 150 W/ch at 4 ohms. THD 0.1%; IM 0.1%. Response 5-70,000 Hz -3 dB; S/N -95 dB below rated output. Direct-coupled output
.......................... $350.00

AUDIO RESEARCH Dual 76 Stereo Power Amplifier

75 W/ch continuous power with both channels driven (mid-band power about 90 W/ch with both channels operating). Power bandwidth 15-30,000 Hz. HD 0.1% at mid-band & at rated output (0.25% at 30 Hz). Sensitivity: 1.5 V. Vacuum-tube design with solid-state power supply. Pilot light. 19" rack panel x 7" x 12"
.......................... $995.00

AUDIO RESEARCH SP-3 Stereo Preamp

Response 15-30,000 Hz ±1 dB. THD 0.005% at 5 V rms output. Maximum output 25 V rms at 1000 Hz. (S + N)/N (aux.) 90 dB. 155/s"x5"x 12V2
.......................... $695.00

BGW 1000 Stereo Power Amplifier

250 W/ch continuous power into 8 ohms with both channels driven (500 W/ch into 4 ohms; 750 W/ch into 2 ohms). Response 2-80,000 Hz +0, -3 dB; 20-20,000 Hz +0, -0.2 dB; hum & noise 100 dB below rated output into 8 ohms; input sensitivity 2 V for 40 V output (200 W, 8 ohms); damping factor 1000 at low frequencies; HD 0.1% at 250 W/ch. Features crowbar circuitry for surge protection; forced-air cooling; IC op amp front end; plug-in module construction. 19" standard rack panel with cast aluminum handles x 7" H x 17" D   
.......................... $129.5.00

BGW 500R Stereo Power Amplifier

200 W/ch continuous power into 8 ohms with both channels driven (300 W/ch into 4 ohms). Response 2-65,000 Hz +0, -3 dB; 20-20,000 Hz +0, -0.25 dB; hum & noise 105 dB below rated output into 8 ohms; input sensitivity 2 V
for 40 V out (200 W, 8 ohms); damping factor 1000 at low frequencies into 8 ohms. Features crowbar protection circuit; IC op amp front end; current limiting circuit; plug-in module construction. Welded steel chassis frame for rugged operational applications. 19" standard rack panel x 5V/ H x 11"
.......................... $729.00

BGW 500R-7

 Same except 19" x 7" x 11"
.......................... $739.00

BGW 250 Stereo Power Amplifier

Smaller version of the Model 500R. 100 W/ch into 8 ohms (150 W/ch into 4 ohms); HD 0.2% at rated power; response 5-65,000 Hz +0, —3 dB; 20-20,000 Hz +0, -0.25 dB; hum & noise 100 dB below rated output; input sensitivity 1.5 V in for 30 V out at±l%; damping factor 500 at 500 Hz or less. 19" rack panel x 5V4 H.
.......................... $449.00

BGW 750 Stereo Power Amplifier

220 W/ch continuous power into 8 ohms with both channels driven (350 W/ch into 4 ohms, 450 W/ch into 2 ohms); response 20-20,000 Hz ±0.3 dB (5-60,000 Hz ±0.3 dB); HD or IM dist. 0.2% at 200 W/ch or less into 8 ohms; hum & noise 20-20,000 Hz, 105 dB below 200 watts into 8 ohms. Input sensitivity:'2 V ±2% for 40 V output (stereo), 2 V for 80 V out (mono). 7" x 19" rack mount x 143/4" D. Vs" steel front panel, black finish with aluminum handles
.......................... $899.00

BOSE 1801 Dual-Channel Power Amplifier

Will deliver 250 W/ch rms into an 8 ohm load; 400 W/ch rms into 4 ohm load; 800 W total into 4 ohms and 500 W total into 8 ohms. Response 30-10,000 Hz flat within ±0.25 dB; 10,000-15,000 Hz flat within ±0.7 dB; 20-30 Hz and 15,000-20,000 Hz within ±1.0 dB. Has indicators which incorporates the a.c. on/off switch and controls desired combination of VU meters and LED monitors in the display option; separate controls for each channel to provide a gain range of 0 to 30; input selector permits choice of two inputs and can also be used to switch between equalized and unequalized sources; main/remote speaker switching. Input sensitivity 1.5 V for 250 W output into 8 ohms. 73/16" H x 18" W x I8V2" D including knobs. Brushed aluminum control panel; black out display panel; black anodized heat sink and case.
Basic amplifier .......................... $799.00
With monitor display option .......................... $986.00

BOZAK 929 Power Amplifier

150 W continuous power/ch into 8 ohms; response 3-80,000 Hz; THD 0.2%; IM 0.2%; damping factor 100; power bandwidth 6-30,000 Hz; noise 100 dB below rated output.
With meters.......................... $795.00

CAMBRIDGE AUDIO P140X Stereo Amplifier

55 W/ch rms power output; THD & IM 0.1%;
crosstalk 50 dB at 1 kHz; tone-control range ±12 dB at 10,000 Hz treble, 100 Hz bass. Has electronic switch and fuses for circuit protection. Black enclosure. I6V2" W x 29/16" H x 93/8"
.......................... $450.00

CAMBRIDGE AUDIO P70X

Same except 25 W/ch rms power output. Silver enclosure. I6V2" W x 2" H x 93/8"
.......................... $350.00

CERWIN-VEGA A-3000 Stereo Power Amplifier

450 W rms/ch into 8 ohms with both channels driven (750 W/ch into 4 ohms); d.c-60,000 Hz +0, -1 dB; power bandwidth d.c-20,000 Hz +0, -1 dB; THD 0.25% max., typically 0.01%; damping factor 500 at 1000 Hz; hum & noise 100 dB below full power; features IC frontend, "Tri-Tangential" protection circuits; dual VU meters; switchable subsonic filter; plug-in drive circuitry; brushed aluminum finish with blackout display panel. 19" W (rack mount) x 8" H x 11 1/2"
.......................... $1095.00

CERWIN-VEGA A-1800 Stereo Power Amplifier

250 W rms/ch into 8 ohms with both channels driven (350 W/ch into 4 ohms); all other specs identical to A-3000 except has no VU meters.
.......................... $499.00

C/M LABS CC-2 Stereo Preamplifier

Response 1-100,000 Hz +0, -3 dB; THD & IM dist. 0.1% at 2 V rms; hum & noise 80 dB below 10 mV input (phono), 80 dB below full output (high-level); features input & mode selectors; tone controls; balance control; volume & loudness controls; tape monitor switch; sub-sonic filter; has two a.c. convenience outlets (one switched). 1.2Va" W x 4" H x 9"
.......................... $260.00

C/M LABS 911 Stereo Power Amplifier

100 W rms/ch into 8 ohms; 60 W/ch into 16 ohms; 90 W/ch into 4 ohms; power bandwidth 10-30,000 Hz+0,-3 dB at 0.5% THD; response 20-20,000 Hz ±0.5 dB, 1-100,000 Hz ±3 dB-IM 0.5% between 1 W and 100 W; hum & noise 70 dB below full rated output; independent level controls for sensitivity adjustment of each channel. Brown enamel and brush gold anodized cage. 143// W x 87/ H x ll5/8"
.......................... $540.00

C/M LABS CC-50S Integrated Amplifier

50 W rms/ch into 8 ohms; response 20-20,000 Hz ±5 dB; power bandwidth 10-30,000 Hz +0, -3 dB; IM 0.5% at 40 W; hum & noise 70 dB below 10 mV low-level input, 70 dB below 0.25 V high-level input; has full complement of inputs, outputs, controls, and switches. 17" W x 6" H x 13"
.......................... $525.00

C/M LABS 912 Power Amplifier

150 W rms/ch into 8 ohms (20-20,000 Hz) 200 W rms/ch into 4 ohms with both channels driven; power bandwidth 5-75,000 Hz; response 1-100,000 Hz at 1 W; THD 0.1%; IM dist. 0.1%. 57/ H x 19" (relay rack) W x 13"
.......................... $650.00
Optional wood cabinet
.......................... $39.00

CROWN INTERNATIONAL D-150 Power Amplifier

120 W/ch dynamic output at 8 ohms. Response 4-100,000 Hz ±0.75 dB at 1 W. IM 0.05% at rated output. Sensitivity 1.2 V at 75 W, 8 ohms. 5V4"Hxl7"Wx9"
.......................... $399.00
Walnut cabinet
.......................... $33.00
Model FP. Front panel (required for cabinet or panel mount)
.......................... $30.00

CROWN INTERNATIONAL DC300A Laboratory Power Amp

210 W/ch dynamic output at 8 ohms. Response 0-20,000 Hz ±0.1 dB at 150 W. IM 0.05% at rated output. Sensitivity 1.75 V at rated output. Input adjustment on front panel. 7" Hxl9" Wx9V2"
.......................... $695.00
Walnut cabinet.......................... $37.00

CROWN INTERNATIONAL D-60 Power Amplifier

52 W/ch dynamic output at 8 ohms. Response 3.2-100,000 Hz ±1.2 dB at 1 W. IM 0.05% at rated output. Sensitivity 0.75 V at rated output, with front-panel adjustments. Stereo headphone output. 13// H x 17" W x 83//
.......................... $249.00
Walnut cabinet....................$29.00

CROWN INTERNATIONAL IC-150 Preamplifier

IM 0.01% at 2.5 V output; hum & noise-80 dB at phono input. Has high-cut & low-cut filters; loudness compensation switch; ganged tone controls; and two tape-monitoring facilities. 5 1/2 /Hx l7"Wx 8 1/2"
.......................... $299.00
Walnut cabinet ................... $33.00

DCE Dreadnaught 1000 Power Amp

250 W continuous sine wave power/ch into 8 ohms with both channels driven from 20-20,000 Hz; power at clipping 300 W/ch into 8 ohms, 520 W/ch into 4 ohms; IHF power bandwidth 10-225,000 Hz; HD & IM 0.025%; input sensitivity 1.75 V rms for full output; input imp. 100,000 ohms; hum & noise 100 dB below full output; features true complementary direct-coupled output with ten 15 A power transistors per channel. Controls: power "on-off" switch, individual channel level controls. 19" W x 7" H x 15" D
Uncased rack mount
.......................... $799.00
Deluxe version with 2% panel meters with 3-position range switching, 3-speed cooling fans
.......................... $899.00
Solid walnut case
.......................... $80.00

DCE Dreadnaught 500 Power Amp

Same as Model 1000 except 150 W/ch continuous sine wave power into 8 ohms; power at clipping 165 W/ch into 8 ohms, 300 W/ch into 4 ohms; input sensitivity 1.2 V rms for full output. 19" W x 12" D x 7" H.
Uncased rack mount
.......................... $499.00
Deluxe version with 2% panel meters
.......................... $549.00
Solid walnut case
.......................... $45.00

DCE Model 100 Integrated Amplifier

Same power amplifier as Model 500 but with ultra-low-noise FET preamp; phono S/N 85 dB; phono overload 180 mV
.......................... $849.00
Solid walnut case
..................$45.00

DYNACO (USA) SCA-80Q Stereo Amplifier

Combines a two-channel amplifier (Model 80) with Quadaptor decoding circuitry for recovering 4-ch information from 2 channels. Preamp has most features of the company's PAT-4. 40 W/ch continuous sine wave into 8 ohms from 20-20,000 Hz at 0.5% HD with both channels driven. IHF bandwidth 8-50,000 Hz. Sensitivity: phono 3 mV; aux. 0.13 V. 13Vu 10" x 4V/
.......................... Kit $185.00
Assembled ......................$299.00

DYNACO (USA) Stereo 400 Power Amplifier

200 W/ch continuous power at 8 ohms from 20-20,000 Hz at 0.25% THD & 0.1% IM with both channels driven (300 W/ch at 4 ohms). Response 8-50,000 Hz +0, -1 dB at 1 W into 8 ohms. (S +• N)/N -95 dB. Sensitivity 1.6 /aV. Features the "Dynaguard" power limiting capability to protect speakers. Has over 1000 sq. in of heat-sink radiating area. Includes input level controls, high- and low-filters, fuses on front panel, relay-operated d.c. protection circuit.
17"x 14"D x7"H
.......................... Kit $449.00
Assembled ...................... $599.95

DYNACO (USA) PAS-3X Preamplifier

Vacuum-tube preamp with loudness compensation, independent tone controls, a stereo blend control, and tape monitoring facilities. 47/ H x 13V/ W x 9"
.......................... Kit $119.00

DYNACO (USA) PAT-4 Preamplifier

Response 5-100,000 Hz ±0.5 dB. THD & IM 0.05% at 2 V output. Hum & noise -70 dB at phono input. Has 3-step high-cut filter, and low-cut filter, loudness compensation, independent tone controls, front panel input & output. 600 ohm output. 47/ H x 137/ Wx9"
.......................... Kit $119.00
Assembled ......................$199.00

DYNACO (USA) PAT-5 Stereo Preamplifier

Response 10-50,000 Hz ±1 dB (high level inputs); 30-15,000 Hz±l dB (low-level inputs); THD 0.05% (0,01% typical) 20-20,000 Hz; IM 0.05% (0.005% typical) with any combination of test frequencies; hum & noise: mag. phono 70 dB below 10 mV input at 1000 Hz, high level 85 dB below 0.5 V input; low filter -12 dB at 15 Hz 6 dB/octave, high filter—10 dB at 10,000 Hz 15 dB/octave; separation at 2 V output into 10,000 ohms; undriven input terminated at 5000 ohms: 20 & 2000 Hz 70 dB, 20,000 Hz 45 dB minimum. Features two RIAA equalized magnetic phono inputs, two tape inputs, tuner, spare, external processor loop, amplifier connections; outputs: two tape ahead of controls, EPL output after volume/balance controls, two audio outputs, front panel headphone, speaker connections. Has full complement of controls. 137/ W x 47/ H x 113/
.......................... Kit $179.00
PAT-5/A. Assembled ..............$289.00

DYNACO (USA) Mark III Power Amplifier

Vacuum-tube mono power amplifier. 60 W output at 4, 8, or 16 ohms..Response 6-60,000 Hz ±0.5 dB. I.M 1% at rated output. Sensitivity.-1.6 V for rated output. 63// Hx9" Wx9"
.......................... Kit $124.00
Assembled ......................$169.00
With additional 70.7 V-output......$179.00
With 125- or 500-ohm output only . . $189.00

DYNACO (USA) Stereo 150 Power Amplifier

75 W rms/ch power output at 8 ohms with both channels driven (20-20,000 Hz); 150 W rms at 8 ohms mono; power bandwidth 5-40,000 Hz at 0.25% THD, half-power output, 8 ohms load. Response +0, -1 dB 8-50,000 Hz at 1 W into 8 ohms; ±0.5 dB 20-20,000 Hz at 75 W; hum & noise 90 dB below rated output, full spectrum; IM 0.15% at any power level up to 75 W rms/ch into 8 ohms with any combination of test frequencies .......................... Kit $225.00
Assembled...................... $325.00
MC-3 Meter kit...................$125.00

DYNACO (USA) Stereo 120 Power Amplifier

60 W/ch continuous power output at 8 ohms with both channels driven. Power bandwidth 5-100,000 Hz at 0.5% THD. IM 0.5% at rated output. Hum & noise —95 dB at rated output. Sensitivity: 1.5 V for rated output. 4" H x 13" W x 10 1/2"
.......................... Kit $179.00
Assembled ......................$249.00

DYNACO (USA) Stereo 70 Power Amplifier

Vacuum-tube stereo amplifier. 35 W/ch power output at 4, 8, or 16 ohms. Response 15-40,000 Hz±0.5 dB. IM &THD 1% at rated output. Sensitivity: 1.3 V for rated output. 6" H x 13" W x 19" D
.......................... Kit $129.00

DYNACO (USA) Stereo 80 Power Amplifier

40 W/ch output at 8 ohms. Response 15-50,000 Hz ±0.5 dB. THD 0.5% at rated output; IM 0.1% at rated output. Sensitivity: 1.3 V for rated output. 4V/ H x 13V2" W x 9" D. Kit $139.00 Assembled .......................... $199.00

DYNACO (USA) SCA-35 Integrated Amplifier

Vacuum-tube stereo unit. 17 W/ch power output at 8 or 16 ohms. Response 20-20,000 Hz ±0.25 dB. IM 1% at rated output. Sensitivity: mag. phono 4.0 mV; tape head 2.5 mV; Has high-cut filter, loudness compensation, and ganged tone controls. 4" H x 13" W x 10"
.......................... Kit $129.00

All DYNACO (USA) power and integrated amplifiers were measured with a continuous sine wave and on stereo designs both channels were driven.

EPICURE Model One Power Amplifier

125 W rms/ch into 8 ohms with both channels driven (20-20,000 Hz) at 0.2% THD; power bandwidth 10-52,000 Hz at 0.2% THD; frequency response 20-20,000 Hz +0, -1 dB; 10-100,000 Hz ±0.5 dB; 10-180,000 Hz +0, -3 dB; S/N 100 dB; features voltage, current, and thermal overload indicators; built-in multiple speaker selector; speaker and a.c. fusing; automatic thermal shut-off switch; input level sets for max. S/N performance; scope output for visual monitoring. 18V/ W x 12V2" D x 7V2" H (19" rack mount kit available)
.......................... $649.00

ESS 200 Stereo Power Amplifier

100 W rms/ch 20-20,000 Hz with both channels driven into 8 ohms; response 22-41,000 Hz ±0.25 dB at 1 W; 12-133,000 Hz ±ldB at 1 W; HD & IM 0.2% 20-20,000 Hz up to rated output, typically 0.025% at normal operating levels; hum & noise 100 dB below rated output; damping factor 100:1 at 20 Hz. Black anodized case with brushed rose gold faceplate with ebony plexiglass accent bar
.......................... $399.00
Oiled-walnut finished wood case
.......................... $37.00

ESS Stereo Preamplifier

Response 2 Hz to infinity ±ldB (high-level section). 2.5 V output & 0.0075% THD, (S + N)/N -80 dB phono. Input sensitivity: mag. phono 2.5 mV; aux. 250 mV. 16" x 6" x 9"
.......................... $399.00
Oiled-walnut finished wood case
.......................... $ 37.00

HARMAN/KARDON Citation 11 Stereo Preamp

Response 1-250,000 Hz±0.5 dB. HD & IM less than 0.01%. Has high-cut & low-cut filters, loudness compensation, equalizer tone controls, multiple speaker switching, and headphone output
.......................... $395.00
Walnut cabinet
....................$35.00

HARMAN/KARDON Citation 12 Stereo Power Amp

60 W/ch rms at 8 ohms. Power bandwidth 5-35,000 Hz; response 5-75,000 Hz ±0.5 dB. HD & IM less than 0.8% at rated output; hum and noise-lOOdB at rated output
.......................... $295.00

HARMAN/KARDON Citation 12 Deluxe

Same as Citation 12 but tape, tuner & aux.; tape monitor jack; headphone jack; level control for phono input. Push-button program source selection, mono or stereo mode, "on-off" control of speaker systems and power; master controls actuate bass, treble, balance, and volume. 3 1/2" H x 12 3/4" W x 12" D
.......................... Kit $99.95
housed in deluxe enclosure
.......................... $ 340.00

HEATH AA-29 Integrated Amplifier

Solid-state, 50 W/ch (dynamic) at 8 ohms integrated amplifier. Power bandwidth 5-30,000 Hz; response 7-60,000 Hz -1 dB at 1 W. HD 0.2% and IM 0.2% at 35 W; hum & noise-65 dB at phono input. Sensitivity: mag. phono 2.2 mV, aux. 180 mV, tape 180 mV. Has loudness compensation switch, ganged tone controls, multiple speaker switching, center-channel output, headphone output, and tape monitoring facilities. Damping factor 50.
Kit .......................... $169.95
Walnut veneer cabinet .............$19.95

HEATH AA-14 Integrated Amplifier

Solid-state, 15 W/ch (dynamic) integrated amp. Response 15-60,000 Hz ±1 dB. Has ganged tone controls and headphone output. 3V4" Hxl2"Wx93/4"D.
Kit .......................... $64.95
Walnut veneer cabinet...............$9.95

HEATH AA-15 Integrated Amplifier

Solid-state, 75 W/ch (dynamic) at 8 ohms integrated amplifier. Power bandwidth 6-30,000 Hz; response 8-40,000 Hz±l dB at 1 W. HD and IM 0.5% at 50 W; hum & noise-60 dB at phono input. Sensitivity: mag. phono 2.2 mV, aux. 200 mV, tape 200 mV. Has loudness compensation switch, ganged tone controls, stereo null balancing, multiple speaker switch, headphone output and tape monitoring facilities. Damping factor 45.43// H x 167s" W x 12 1/2" D.
Kit.............................$199.95
Walnut veneer cabinet .............$19.95

HEATH AA-1214 Stereo Amplifier

15 W rms/ch into 8 ohms; suitable as second amp in 4-channel system; inputs for phono,

HITACHI IA-600 Integrated Amplifier

32 W/ch (IHF) into 8 ohms. Response 10-100,-000Hz±ldB. HD 0.1% at rated output; hum&noise—68 dB at phono input. Sensitivity: mag. phono 2.5 or 6.0 mV; aux. 200 mV, mike 2.5 or 6.0 mV. Features hi-cut filter, loudness compensation switch, ganged stepped tone controls, multiple speaker switching, and headphone output. Damping factor 50. Has tape monitoring facilities. 4" H x 16 W x 12"
.......................... $239.95

HITACHI IA-1000 Integrated Amplifier

55 W/ch (IHF) into 8 ohms. Response 10-100,-000Hz±ldB. HD 0.1% at rated output; hum&noise—65 dB at phono input. Sensitivity: mag. phono 2.0-5.0 mV, aux. 140 mV, mike 5 mV. Has hi-cut and low-cut filters, loudness compensation switch, ganged tone controls, multiple speaker switching, headphone output, tape monitoring facilities, and VU meters. Damping factor 50. 5" H x 17" W x 13"
.......................... $359.95

INTEGRAL SYSTEMS - der Überflieger

INTEGRAL SYSTEMS ist eine eigene Geschichte direkt hier aus Wiesbaden. Irgendwann Mitte 1975 kam Michael Gießen aus USA zurück und brachte einen INTEGRAL SYSTEMS Endverstärker samt Vorverstärker mit. Diese "gold anodized" eloxierten Teile machten äußerlich leidlich etwas her - weil es wieder so schön spartanisch war.

Innen waren sie jedoch ziemlich leer, buchstäblich völlig leer. Hatte ich auf den Herstellerseiten von Phase Liner, dem Crown IC-150 und den SAE Geräten bereits geunkt, wie wenig es für so viel Geld gab, bei INTEGRAL SYSTEMS war es eklatant.

Da durfte außer mir niemand reinschaun. Denn die Endstufe machte bei 220 V nicht mal 90 Watt Sinus an 1 kHz. Andere deutsche 220 Volt Trafos mußten her (ich habe sie heute noch), damit wenigstens die propagierten 100 Watt Sinus pro Kanal raus kamen.

Doch das hielten die eingebauten Darlington Transistoren überhaupt nicht aus (auch die habe ich heute auch noch). Und auch der Vorverstärker übertraf innen drinnen die "Leere" des Crown IC 150 oder des SAE, es war nämlich nicht nur "Nichts" drinnen, es war einfach gar nichts drinnen - für so viel Geld. Heute nach 40 Jahren kann man das getrost als richtige Frechheit bezeichnen, was die INTEGRAL SYSTEMS Leute den bescheuerten Kunden da angedreht hatten. Das Produkt wurde dann auch nicht nach Karlsruhe zu Karl Breh zum Testen geschickt.

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INTEGRAL SYSTEMS 200 Stereo Power Amplifier

100 W/ch rms into 8 ohms from 20-20,000 Hz. Response 10-20,000 Hz ±1 dB at 1 W output; power bandwidth 20-25,000 Hz full power, 5-60,000 Hz half power. HD 0.2% 20-20,000 Hz; IM dist. 0.2% any combination of frequencies between 20-20,000 Hz. Anodized chassis and 19-in rack-mount gold anodized front panel.
"19" x 12" x 5"
.......................... $350.00

Die Modelle 400 und 700 waren überhaupt nicht lieferbar, vermutlich, weil die Schaltung und das Netzteil und die Technik das damals gar nicht hergaben. Ich hatte nämlich zufällig mit- bekommen, daß zum Beispiel die Entwickler bei Phase Linear Monate geschwitzt hatten, bis sie ihre erste ernsthaft funktionierende 700B Endstufe nach draußen geben konnten. Und bei Horst Dieterle lagen im Keller ganze Schubladen mit den dicken SAE Leistungstransistoren - auf Vorrat.

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INTEGRAL SYSTEMS Model 400

Same as Model 200 except 200 W/ch; has thermal shut-down; three protection circuits; photo guard; SCR crowbar
.......................... $500.00

INTEGRAL SYSTEMS Model 700

Same as the Model 400 except 350 W/ch; has LED power readouts; outputs for two sets of speakers; four protection circuits
.......................... $800.00

INTEGRAL SYSTEMS 10 Stereo Preamplifier

Designed to process a wide variety of audio signals. Control facilities include pushbutton input selection, adjustable phono sensitivity, dual tape monitors, speaker switching, steep-sloped high & low filters, and loudness contour as well as tone, balance, and volume adjustments. On-off status is indicated by a low-voltage LED. Bandwidth 20-100,000 Hz ±0.25 dB; input impedance 250,000 ohms nominal. IM dist. 0.05% at 1 V rms; max. output voltage before clipping 4.0 V rms. Inputs: high level 0.2 V/V output; phono (1 kHz) 4 mV/140 mV rms, 1 mV/35 mV rms; Comes with anodized chassis and 19-inch front panel
.......................... $300.00

INTEGRAL SYSTEMS 410 Integrated Amplifier

Combines the circuitry of the Model 400 power amplifier and Model 10 preamp
.......................... $700.00

JVC VN-700 Integrated Amplifier

35 W rms/ch into 8 ohms with both channels driven & at 0.05% THD. Power bandwidth 25-20,000 Hz at 8 ohms. Input sensitivity: mag. phono 2.5 mV; aux. & tape 200 mV. (S + N)/N —82 dB (aux.). Features dual facilities for-tape monitoring & tape dubbing. Has 5-section tone control centering on 40, 250, 1000, 5000, and 15,000 Hz. 53/8" x 165/8" x 12V2"
.......................... $299.95

JVC VN-900 Integrated Amplifier

50 W rms/ch into 8 ohms with both channels driven & at 0.05% THD. Power bandwidth 20-20,000 Hz. Input sensitivity: mag. phono 2.5 mV; aux. & tape 200 mV. (S + N)/N -86 dB (aux.). Has 7-section tone control centering on 40, 150, 400, 1000, 2400, 6000, and 15,000 Hz. 53/8" x 165/s" x 12V2"
.......................... $399.95

KENWOOD 700-M Power Amplifier

170 W rms/ch continuous power output with both channels driven into 8 ohms (20-20,000 Hz, THD 0.1%); power bandwidth 5-30,000 Hz; S/N 120 dB (IHF); input sensitivity/impedance 1 V/50,000 ohms; damping factor 40 at 8 ohms; impedance 4-16 ohms; response 20-20,000 Hz +0, -0.4 dB; subsonic filter 12 dB/octave at 18 Hz. Features direct-coupled amplifier with output stage powered by dual positive/ negative supply; three Darlington amplifier stages/ch; relay-activated protection circuit; two VU meters with meter range buttons for 0 dB, -10 dB, -20 dB, plus "off;" separate left and right input-level controls; dual A-B input selector switch; 5-way speaker selector. 175/i6" x 7Ve" x 1413/16"
.......................... $749.95

KENWOOD 700-C Preamp/Control

Designed to be used with the 700-M power amplifier; provides control flexibility with precise, resettable volume and tone controls calibrated in 2-dB increments; selectable crossover frequencies of 200 & 400 Hz for bass, 3000 & 6000 Hz for treble, "off" position removes tone controls from circuit for flat response 20-20,000 Hz; two-step audio muting; two-step loudness control circuit; selectable low- and high-frequency filtering; selectable phono cartridge input impedance settings; "Tape-Through" circuit for playing any program source without interrupting dubbing through unit's dual tape system; has full complement of inputs, outputs, controls, and switches. 17V/ x 53/4" W x HVs"
.......................... $649.95

KENWOOD KA-8006 Stereo Amplifier

68 W rms/ch continuous power output with both channels driven into 8 ohms (20-20,000 Hz); 71 W rms/ch into 8 ohms at 1000 Hz; THD & IM dist. at rated power 0.2%; power bandwidth (IHF) 6-45,000 Hz; damping factor 30 at 8 ohms; direct-coupled complementary symmetry output circuitry with dual positive/ negative power supply; "Tape-Through" circuit; step-type controls calibrated in 2-dB increments; two low- and one high-frequency filters; muting switch; 4-channel in/out terminals for addition of 4-ch decoder/amplifier. 17Vs" W x 63/16" H x 12"
.......................... $439.95

KENWOOD KA-6006 Stereo Amplifier

48 W rms/ch continuous power output with both channels driven into 8 ohms (20-20,000 Hz); 53 W rms/ch into 8 ohms at 1000 Hz; THD & IM dist. 0.3% at rated power; power bandwidth (IHF) 6-40,000 Hz; damping factor 30 at 8 ohms; direct-coupled complementary symmetry output circuit with dual positive/negative power supply; "Tape-Through" circuit; step-type tone controls; muting switch; 4-channel in/out terminals for addition of 4-ch decoder/ amplifier. 17Vs" x 63/i6" H x 12"
.......................... $359.95

KENWOOD KA-4006 Stereo Amplifier

34 W rms/ch continuous power output with both channels driven into 8 ohms (20-20,000 Hz); direct-coupled complementary symmetry output circuitry with dual positive/negative power supply; "Tape-Through" circuit; bass/ treble/defeat switches; 4-channel in/out terminals for addition of 4-channel adapter or demodulator; high- and low filters; muting switch. THD & IM dist. 0.5%; power bandwidth (IHF) 8-45,000 Hz. 17y8" W x 63/i6" H x 12"
.......................... $259.95

LAFAYETTE LA-950A Integrated Stereo Amp

16 1/2 W rms/ch into 8 ohms at 0.8% THD (20-20,000 Hz) with both channels driven; power bandwidth 15-30,000 Hz; channel separation 65 dB at 1000 Hz; input sensitivity: aux. 250 mV, mag. phono 3.5 mV, ceramic phono 120 mV, tuner & tape monitor 500 mV; hum & noise: aux. & tuner -75 dB, mag. phono -63 dB; features multiple-speaker switching and front-panel tape output jack. Walnut vinyl-clad metal cabinet. 33" H x 12" W x 9"
.......................... $119.50
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LEAK Stereo 70 Integrated Amplifier

Solid-state integrated stereo amplifier. 35 W/ch at 8 ohms. Response 20-30,000 Hz. HD 0.1% at
rated output; IM 0.3% at rated output. Hum & noise—66 dB (at aux. input). Sensitivity: mag. phono 2.0 or 10.0 mV; aux. 400 mV; tuner 25 or 60 mV. Has high-cut filter, ganged tone controls, multiple speaker switching, headphone output, and tape monitoring facilities. 4V4" H x 13"Wx83/4"
.......................... $299.00

LECSON AC-1 Preamplifier

Response 30-20,000 Hz±0.5 dB; tone controls ±14dB at 100 & 10,000 Hz; crosstalk 60dB; record/replay 60dB; THD 0.05% at 1000 Hz; hum -70dB (CCIR); high- and low-frequency filters; outputs for power amp & tape recorder; inputs phono #1, #2, Aux. #1, #2, tuner; 4-channel facility for matrix decoding or synthesizing; remote-control facility for remote input selection & volume control; tape monitor available on Aux.
.......................... $375.00

LECSON AP-1 Power Amplifier

35 W rms/ch both channels driven into 8ohms; THD 0.05% into 8 ohm load at all levels up to 35 W (200-20,000 Hz); 0.1% (20-20,000 Hz); noise -90 dB (CCIR), -80 dB (unweighted); hum -80 dB (CCIR); has two pairs of speaker
outlets; response 10-20,000 Hz ±1dB
.......................... $295.00

LECSON AP-2. Same as AP-1 except 50 W rms/ch
.......................... $395.00

MARANTZ 250 Power Amplifier

125 W/ch rms at 8 ohms. Power bandwidth 5-45,000 Hz; response 20-20,000 Hz ±ldB. HD 0.1% at rated output; IM 0.03% at rated output. Hum &noise -106dB. Sensitivity: 1.5V for rated output. Has 8 ohm output & output metering. Damping factor 100. 6" H x 15" W x 9"
.......................... $499.95

MARANTZ 240 Power Amplifier

125 W/ch continuous power into 8 ohms and at 0.1% THD with both channels driven (150 W/ch at 4 ohms, 64 W/ch at 16 ohms). Power bandwidth 5-45,000 Hz; response 2-100,000 Hz ±0.75dB. (S + N)/N 106dB. Input sensitivity 1.5V. Has black anodized front panel. 15" x 6" x 9"
.......................... $429.95

MARANTZ 400 Power Amplifier

200 W/ch continuous power into 8 ohms with both channels driven (20-20,000 Hz); IM & HD 0.1% at rated power 20-20,000 Hz both channels driven; response 20-20,000 Hz ±0.1 dB (high-level input); input sensitivity 2 V, impedance 25,000 ohms; features relay-operated time-delay circuit; peak overload indicators
.......................... $599.95

MARANTZ 400M

Same specifications as the Model 400 except includes two illuminated output-level meters which monitor actual output power to speakers and indicate left/right channel balance; gain controls for left/right channels
.......................... $699.95

MARANTZ 500 Power Amplifier

250 W/ch rms at 8 ohms. Power bandwidth 3-60,000 Hz; response 20-20,000 Hz±0.1 dB. HD &IM 0.05% at rated output; hum & noise-110 dB. Input sensitivity 1.5 V for rated output. Damping factor 500. Has power monitoring meters, 8 ohm output. 7" H x 17" W x 16"
.......................... $1200.00

MARANTZ 3300 Preamp/Control Center

Features monitor switch for two stereo tape recorders, main/remote speaker switch, mike input. Response 6-80,000 Hz ±1 1/2 dB. THD 0.02%. Has high filter switchable at 5000 & 9000 Hz; low filter switchable at 50 & 100 Hz; front-panel tape dubbing jacks
.......................... $449.95

MARANTZ 3600 Preamp/Control Center

Features graphic tone controls for bass, treble & mid-range; low and high filters; precision-tracking volume control; tape monitor circuitry for two decks; two sets of preamp-out jacks; front-panel mike jacks; response 20-20,000 Hz ±0.25 dB; THD 0.02% at rated output; output level 3V; impedance 150 ohms
.......................... $499.95

MARANTZ 3800

Same as Model 3600 except includes Dolby noise-reduction circuit; tape EQ switch; .......................... $649.95

MARANTZ 1030 Integrated Amplifier

15 W/ch rms at 8 ohms. Power bandwidth 15-40,000 Hz; response 20-40,000 Hz±2dB. HD& IM 0.5% at rated output; hum & noise-64 dB at phono input. Sensitivity: mag. phono 1.8 mV; aux 180 mV. Has high-cut filter, loudness compensation switch, stepped tone controls, multiple speaker switching, headphone output, tape monitoring facilities, and mike input on front panel. Damping factor 50. 4 3/4" H x 14" W x 12"
.......................... $169.95

MARANTZ 1040

Same as Model 1030 except 20 W/ch; IM & HD 0.3%
.......................... $199.95

MARANTZ 1060 Integrated Amplifier

30 W/ch rms at 8 ohms. Power bandwidth 15-40,000 Hz; response 15-40,000 Hz±2dB. HD& IM 0.5% at rated output; hum & noise -67 dB at phono input. Sensitivity: mag. phono 1.8 mV; aux. 180 mV; tuner 180 mV. Has high-cut & low-cut filters, loudness compensation switch, ganged tone controls, multiple speaker switching, headphone output, tape monitoring facilities, mike input on front panel, and a mid-range tone control. Damping factor 50. - 4" H x 12" W x 14"
.......................... $229.95

MARANTZ 1070

Same as Model 1060 except 35 W/ch; IM & HD 0.3%
.......................... $269.95

MARANTZ 1120 Integrated Amplifier

60 W/ch continuous power at 4 & 8 ohms and at 0.15% THD with both channels driven (30 W/ch at 16 ohms). Power bandwidth 10-40,000 Hz. Input sensitivity: mag. phono & mike 1.38 mV; aux. 138 mV. Has main/remote speaker switch, slide-type tone controls, high & low filters, two tape monitor switches. 153/8"x 53/4"x 14" D. Gold anodized front panel
.......................... $449.95

MARANTZ 1200B Integrated Amplifier

100 W/ch rms at 8 ohms. Power bandwidth 10-40,000 Hz; response 20-20,000 Hz±0.1 dB. HD & IM 0.15% at rated output; hum & noise -100dB. Sensitivity: mag. phono 1.3 mV; aux. 100 mV. Has high-cut & low-cut filters, loudness compensation switch, independent tone controls, multiple speaker switching, headphone output, tape monitoring facilities. Damping factor 100. 5" H x 15 3/8" W x 14"
.......................... $699.95

NIKKO TRM-500 Integrated Stereo Amplifier

22 W/ch at 8 ohms with both channels driven (24 W/ch at 4 ohms). Response 20-30,000 Hz ±2 dB (Aux. input); power bandwidth 20-20,000 Hz -1 dB at 0.8% THD. IM & HD 0.8% at rated output. Features tape selector & monitor switch for operating two separate recorders for tape-to-tape duplication; two phono selector switches to control either of two magnetic phono players; 5-step bass & treble switches; input and output jacks on front panel; 4-channel input & output terminals with function switch for connecting 4-channel decoder, plus separate preamp output and main amp. input terminals to decouple them for multi-amp stereo system operation. (S + N)/N 60 dB (phono), 80 dB (other). Universal power supply. 15"xll7/8" D x 87s" H. Comes in walnut-finished wood cabinet
.......................... $199.95

NIKKO TRM-210 Integrated Stereo Amplifier

12 W rms/ch with both channels driven into 8 ohms (1000 Hz); 10 W rms/ch (40-20,000 Hz); response 20-30,000 Hz ±1 dB: THD & IM dist. 1.0% at rated output; damping factor 25 into 8 ohms; input sensitivities: phono 1 mV/50,000 ohms; tuner, tape, Aux. 200 mV/100,000ohms; has full complement of controls & switches. 125/8" W x 9V2" D x 4V2" H
.......................... $129.95

ONKYO A-7055 Integrated Stereo Amp

26 W/ch continuous rms power into 8 ohms with both channels driven; 23 W/ch into 8 ohms with both channels driveji 20-20,000 Hz. 0.5% distortion. THD 0.1% and IM 0.05%, both at rated output. Response 10-70,000 Hz +0, -1 dB; power bandwidth 10-100,000 Hz (IHF -3 dB, THD 0.2%). Preamp input sensitivity: Phono #1 & #2 1.2, 2.4, 4.8 mV at 50,000 ohms; tuner, aux., tape play 100 mV at 100,000 ohms. THD 0.03% and IM 0.05%, both at rated output. Controls: power; speakers (off, A, B, A + B); selector; tape monitor; volume/balance; treble; bass; frequency shift; low- & high-filter; loudness; mode; amp muting; 3-position phono gain; and preamp/amp separating switch. 165/s" Wx5¥ Hxl4Vs" Walnut-finished wood case
.......................... $239.95

ONKYO A-7022 Integrated Stereo Amp

Same features and specifications as the A-7055 except 52 W/ch into 8 ohms with both channels driven at 1 kHz. 165/s" Wx53/8" H x 143//. Walnut-finished wood cabinet
.......................... $359.95

PHASE LINEAR 400 Power Amplifier

200 W/ch (rms) continuous power into 8 ohms with both channels driven from 5 to 20,000 Hz. Power at clipping 250 W/ch into 8 ohms; 400 W/ch into 4 ohms; 125 W/ch into 16 ohms. Response 0-0.25 MHz at 1 W; HD 0.25%. Phase shift leading 0 degrees at 20 Hz, lagging 12 degrees at 20 kHz. Sensitivity 1.75 V. Light brushed gold, baked enamel, and black anodized panel. 19" x 7" x 10"
.......................... $499.00
Cabinet .......................... $37.00

PHASE LINEAR 700B Power Amplifier

350 W/ch rms continuous power into 8 ohms with both channels driven from 0 to 20,000 Hz. Power at clipping 450 W/ch into 8 ohms; 730 W/ch into 4 ohms; 270 W/ch into 16 ohms. Response 0-0.25 MHz at 1 V with direct-coupled inputs. HDO.25% (typically 0.01%). Phaseshift leading 0 degrees at 20 Hz, lagging 10 degrees at 20 kHz. Sensitivity 1.14 V. Light brushed gold, baked enamel panel
.......................... $799.00
Cabinet .......................... $37.00

PHILIPS SC-102 Stereo Preamplifier

Response 5-20,000 Hz ±0.1 dB; 2-120,000 Hz ±0.5 dB; high-level input (47k load) 2 V rms output; phono input ±1 dB (RIAA); THD 0.05%, IM dist. 0.02% both from any input, 2 V rms output; hum & noise 100 dB below IHF "A" weighted; phono 80 dB below 10 mV input; input impedance: high-level 50,000 ohms; phono 47,000 ohms; features input selector (low-level phono, high-level tape, tuner, aux.); mode selector; tone controls; balance, volume, and loudness controls; tape monitor jack; subsonic filter; two a.c. outlets (one switched).
.......................... $299.50

PILOT 225 Integrated Stereo Amplifier

25 W rms/ch into 8 ohms with both channels driven; 0.5% THD (20-20,000 Hz); response 20-20,000 Hz ±1 dB; IHF power bandwidth 10-30,000 Hz; has a complementary symmetry, fused outputs, center-channel output; main amplifiers & preamps accessible by removing rear-panel jumpers; dual-concentric bass & treble controls; 5-position input selector (two phono, tuner, and two aux.); push-buttons for tape monitor, high filter, loudness, mono/stereo mode; separate main, remote, reverse speaker switches; tape in and out plus headphone jacks on front panel; master volume control; separate a.c. power button; rear panel switched and un-switched a.c. receptacles; back-lighted blackout panel. Walnut veneer wood enclosure
.......................... $259.90

PIONEER SA-5200 Integrated Stereo Amp

10 W/ch continuous power output at 8 ohms from 20-20,000 Hz with both channels driven; 15 W/ch at 4 ohms at 1000 Hz. IM & HD 0.8% continuous power output. Power bandwidth 10-40,000 Hz (IHF, with both channels driven) at 0.8% HD. Output: speaker A, B, A + B (4 to 16 ohms); headphone 4 to 16 ohms. Input sensitivity/imp.: phono 2.5 mV, 50,000 ohms; tuner, aux. #1 & #2, tape monitor, tape monitor (DIN) 150 mV, 100,000 ohms. Output level/imp.: tape rec. 150 mV, tape rec. (DIN) 30 mV, 80,000 ohms. Has individual bass & treble tone controls. Can handle two pairs of speaker systems, two auxiliary sound sources, a tuner, and a turntable. 16" W x 5" H x 12"
.......................... $139.00

PIONEER SA-7100 Integrated Stereo Amp

20 W/ch continuous power output at 8 ohms from 20-20,000 Hz with both channels driven (24 W/ch at 4 ohms). Power bandwidth 5-70,-000 Hz (IHF, with both channels driven) at 0.5% HD. Response 7-80,000 Hz +0 dB, -1 dB, IM & HD 0.5%. Output: speaker A, B, A + B (4 to 16 ohms); headphone 4 to 16 ohms. Input sensitivity/imp.: phono #1 & #2 2.5 mV, 50,000 ohms; mike 2.0 mV, 50,000 ohms; tuner, aux. #1 & #2 tape monitor #1 & #2, tape monitor (DIN) 150 mV, 100,000 ohms. Output imp.: tape rec. #1 & #2 150 mV; tape rec. #2 (DIN) 30 mV, 80,000 ohms; preamp out. 500 mV, 1500 ohms. Has bass & treble controls, loudness contour control. 16" W x 5" H x 13"
.......................... $249.95

PIONEER SA-8100 Integrated Stereo Amp

40 W/ch continuous power output at 8 ohms with both channels driven (45 W/ch at 4 ohms). Power bandwidth 5-40,000 Hz (IHF, with both channels driven). HD & IM 0.3%. Response 7-80,000 Hz +0 dB, -1 dB. Output: speaker A, B, A + B (4 to 16 ohms); headphone 4 to 16 ohms. Input sensitivity/imp.: phono #1 & #2 2.5 mV, 50,000 ohms; mike 2.0 mV, 50,000 ohms; tuner, aux. #1, tape monitor #1 & #2, tape monitor #2 (DIN) 150 mV, 100,000 ohms; aux. #2 150 mV to 15 V, 50,000 to 100,000 ohms. Has subsonic, low, and high filters; bass & treble tone controls; loudness contour control. 16" W x 5" H x 13"
.......................... $349.95

PIONEER SA-9100 Integrated Stereo Amp

60 W/ch continuous power output at 8 ohms with both channels driven (75 W/ch at 4 ohms) from 20-20,000 Hz. HD & IM 0.1% continuous power output. Power bandwidth 5-40,000 Hz at 0.1% HD. Response 7-80,000 Hz +0, -1 dB. Output: speaker A, B, C, A + B, A + C (4 to 16 ohms); headphone 4 to 16 ohms. Input sensitivity/imp.: phono #1 2.5 mV, 50,000 ohms; phono #2 2.5-10 mV, 25,000-50,000-100,000 ohms; mike 2.0 mV, 50,000 ohms; tuner, aux. #1, tape monitor #1 & #2, DIN 150 mV, 100,000 ohms; aux. #2 150 mV-1.5 V, 50,000-100,000 ohms; tape rec. #2 (DIN) 30 mV, 80,000 ohms; preamp out. 2 V, 8 ohms. Has subsonic, low, and high filters; bass & treble tone controls; loudness contour control. 16" W x 5" H x 13"
.......................... $449.95

RADFORD HD250 Integrated Stereo Amp

60 W/ch stereo amplifier combined with the HD22 preamp; has two tape monitors, tape-to-tape dubbing, tone-control defeat, graphic controls; preamp THD & IM dist. 0.001% up to 1 V output, less than 0.01% at 10 V output; 17 V max. output; amp THD 0.05%, IM dist. at rated output 0.01%; RIAA S/N 83 dB ref. 5 mV input, weighted -88 dB ref. 5 mV input; push-button input selection (phono, tuner, tape #1 & #2); function (tone cancel, mono, tape monitor #1 & #2); slide controls for channel gain, treble, bass & volume, 11" x 17" x 43/4"
.......................... 695.00

RADFORD HD22 Preamplifier

Response 20-35,000 Hz ±1 dB; RIAA equalization within 0.2 dB 50-20,000 Hz; THD & IM dist. 0.001% below 1 V output (0.01% at 10 V output); 17 V max. output from 150-ohm source, magnetic input, tuner, and two tape inputs; tone-control defeat; S/N -83 dB on RIAA input (ref. 5 mV input), -85 dB on high-level input (ref. 100 mV signal input). 8" D x 17" W x 43/4" H
.......................... $395.00

REVOX A78 Integrated Amplifier

40 W/ch continuous sine wave into 8 ohms. Power bandwidth 10-40,000 Hz; response 20-20,000 Hz ±1 dB. HD 0.1% at 1000 Hz; less than 0.3% from 40 to 15,000 Hz at rated output. Sensitivity: mike 3 mV; mag. phono 3 mV; ceramic phono 230 mV; tuner 100 mV; tape 250 mV. Has tape monitoring input with before/after switch and switched outputs for two pairs of speakers. 16" W x 8" H x 9" D
.......................... $499.00

REVOX A722 Stereo Power Amplifier

45 W/ch continuous sine wave into 8 ohms; power bandwidth 10-65,000 Hz at 8 ohms; response 20-20,000 Hz +0 dB/0.5 dB; features remote "on/off" switching with opto coupler; limit switches for reducing output power to 20% or 50%; automatic output disconnect to avoid speaker burn-out; forced air cooling with built-in blower; output selector for two sets of stereo speakers; headphone output on front panel
.......................... $525.00

ROTEL RA-1210 Integrated Stereo Amplifier

60 W/ch continuous rms power into 8 ohms with both channels driven and at 0.5% THD. HD 0.3% 20-20,000 Hz at 55 W/ch; IM 0.1% at 55 W/ch. Response 3-100,000 Hz +0, -3, dB; power bandwidth (IHF) 5-50,000 Hz at 8 ohms. Hum & noise: phono #1, phono #2 70 dB at 2 mV; tuner, aux. #1, aux. #2, tape in 80 dB. Has loudness switch; high filter; low filter; muting; bass & treble controls: front-panel headphone jack. Will handle two pairs of speaker systems; two tape recorders with monitoring & dubbing features; two record players. I6V2" W x 12" D x 5V2" H
.......................... $399.95

ROTEL RA-810 Integrated Stereo Amplifier

40 W/ch continuous rms power into 8 ohms with both channels driven and at 0.5% THD. HD 0.3% 20-20,000 Hz at 40 W/ch; IM 0.1% at 40 W/ch. Response 4-75,000 Hz +0, -3 dB; power bandwidth (IHF) 5-50,000 Hz at 8 ohms. Hum & noise: phono #1, phono #2 65 dB; tuner, aux. #1, aux. #2, tape input 75 dB. Has full complement of inputs/outputs and controls. I6V2" x 12" x 5V2" H
.......................... $349.95

ROTEL RA-611 Integrated Stereo Amplifier

30 W/ch continuous rms power into 8 ohms with both channels driven; HD 01% at 1 kHz and 15 W/ch; Response 15-90,000 Hz; power bandwidth 15-50,000 Hz. (S + N)/N 65 dB phono; 75 dB aux. Has full complement of controls and inputs. Wood cabinet
.......................... $269.95

Die Firma "Sientific Audio Electronics" = SAE

Was für ein Name - "Wissenschaftliche Audio Electronic". Aber unbestritten, die beiden Vorverstärker MARK 1B und MARK 1M sahen imposant aus, so richtig teuer im Vergleich zu dem, was die anderen Wettbewerber anzubieten hatten.

Und das I-Tüpfelchen setzte Herrmann Hoffmann mit seiner dezenten Werbung und den hohen Preisen oben drauf, es war sehr ähnlich zu BRAUN - nämlich Edel-Hifi für die ganz Betuchten (oder völlig Bekloppten - wie man es nimmt). Denn auch in die SAE Geräte sollte man lieber nicht rein schaun, viel war da nämlich auch nicht drinnen.

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SAE Mark IXB Preamp-Equalizer

Features slide-type controls; 10 toroidal LC-type bandpass filters with 12 dB/octave slope. Equalizers have dual range ±16 dB or ±8 dB at 40, 120, 320, 960, 2500, 7500, and 15,000 Hz. Response high-level inputs 10-100,000 Hz ±0.25 dB. HD 0.02% from 20-20,000 Hz & 2.5 V output. Max. output 18 V into high impedance. Overall size 17" x 7" x 5.75" H.
.......................... $450.00

SAE Mark IB Preamp-Equalizer

Can serve as complete control center. Has a professional 7-band equalizer instead of conventional controls. Response (high-level inputs) 10-100,000 Hz ±0.25 dB; (phono inputs) 20-20,000 Hz ±0.5 dB. Equalizers have dual range of ±8 dB or ±16 dB with 12 dB/octave slope. Features include stepped volume control, EQ Line/EQ Tape switch for equalized recordings; volume control range extender; tape copy control with provision for three tape recorders (six possible positions); two headphone output jacks; scope outputs for testing phase, stereo separation, or balance or level measurements; gain switch; four phono circuits for four separate phono preamps. 17" W x 10" D x 5H
.......................... $750.00

SAE Mark IM

Same as Mark IB except has no tone controls but features two high-accuracy VU meters instead which display the unit's output in volts. Has meter-range switch
.......................... $600.00

SAE Mark IV D Stereo Power Amplifier

100 W/ch into 8 ohms; 125 W/ch into 8 ohms max. rms power output before clipping. HD (rms) 0.1% (20-20,000 Hz) both channels driven to 100 W rms (per channel); IM 0.1% at 100 W/ch. Response 20-20,000 Hz ±0.1 dB at 1 W; 20-20,000 Hz ±0.1 dB at 100 W. Power bandwidth 8-50,000 Hz 3 dB down. (S + N)/N 100 dB below 100 W/ch. Input required: 1 V rms for 100 W, 100,000 ohms. 17" Wx5" H x 13" D. Walnut cabinet
.......................... $500.00

SAE Mark IV DM

Same except has two VU meters to monitor power output. 17" W x 53// H x 15" D. Does not include cabinet
.......................... $600.00

SAE Mark XXX Stereo Preamp

Response 10-100,000 Hz ±0.25 dB (high-level inputs); 20-20,000 Hz ±1 dB (phono inputs). HD (rms) 0.03% 20-20,000 Hz at 2.5 V; IM 0.03% at rated output. (S + N)/N 72 dB below 10 mV (phono); 90 dB below rated output (high-level). Gain: phono 57 dB at 1 kHz; high-level 15 dB. Maximum output 9 V into 100,000 ohms. 15" W x 43/V H x 8" D
.......................... $250.00

SAE Mark XXXIB Stereo Power Amplifier

50 W/ch into 8 ohms; 70 W/ch max. rms power output before clipping. HD (rms) 50 W/ch into 8 ohms; 70 W/ch max. rms power output before clipping. HD (rms) 0.1% 20-20,000 Hz both channels driven at 50 W. IM 0.1% at 50 W. Response 20-20,000 Hz±0.1 dB at 1 W; 20-20,000 Hz ±0.1 dB at 50 W. (S + N)/N 100 dB below 50 W. 1 V rms input required for 50 W. 15"Wx43// H x 8" D
.......................... $275.00

SAE Mark 111C Stereo Power Amplifier

20 W rms/ch into 8 ohms with both channels driven (20-20,000 Hz); frequency response 20-20,000 Hz ±0.25% into 8 ohms at full power, 1-100,000 Hz ±1 dB at 1 W; THD 0.1% at full power (20-20,000 Hz), IM 0.05% at full power; features relay protection circuit for speakers; volt/amp limiter; complementary double differential inputs and full complementary series-connected output stages; feedback level controls. 17" x 53// x 13V2"
.......................... $850.00

SAE Mark IIICM

Same except with direct-reading power meters for watts, voltage, and dB. 17" x 5" x 14"
.......................... $950.00

Die Leistungsangaben bei SANSUI

Bei diesem Hersteller aus Japan sieht man ganz deutlich, wie der Intererssent (also der Kunde ohne viel Ahnung) verwirrt werden sollte. Mal gibt es "dynamic" Power, mal "IHF" Power und mal "rms" Power.

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SANSUI AU101 Integrated Stereo Amplifier

22 W/ch dynamic power at 8 ohms (25 W/ch at 4 ohms); 15 W/ch continuous power at 8 ohms (18 W/ch at 4 ohms) and at 0.8% THD. Power bandwidth 25-40,000 Hz; response 20-60,000 Hz ±2 dB at 1 W. Input sensitivity: mag. phono 3 mV; mike 4 mV; aux., tape monitor & tape recorder 200 mV. Has universal power supply. 16" x 4Va" x 11"
.......................... $129.95

SANSUI AU505 Integrated Stereo Amplifier

35 W/ch dynamic power at 8 ohms (45 W/ch at 4 ohms); 25 W/ch continuous power at 8 ohms (35 W/ch at 4 ohms). With both channels driven power is 23 W/ch rms at 8 ohms & 12 W/ch at 0.5% THD from 20-20,000 Hz. Power bandwidth 25-40,000 Hz at 8 ohms; response 20-60,000 Hz ±3 dB at 1 W. Input sensitivity: mag. phono 3 mV; mike 4 mV; tuner, aux., tape monitor 200 mV. Has universal power supply. 16" x 4Va" x 11"
.......................... $189.95

SANSUI AU-9500 Integrated Stereo Amplifier

110 W/ch (IHF) power at 8 ohms; 75 W/ch continuous power into 8 ohms. THD at rated power 0.1%; IM 0.1%. Power bandwidth (IHF) 5-40,-000 Hz; response 15-40,000 Hz +0, -1 dB. Has two phono inputs, two tape monitors (direct dubbing), NR adapter, and 4-ch adapter inputs. Direct-coupled both channels driven. l&Vie" x 59/16" H x 131 Vi6" D
.......................... $549.95

SANSUI AU-7500 Integrated Stereo Amplifier

63 W/ch (IHF) power at 8 ohms; 43 W/ch continuous power into 8 ohms. THD at rated output 0.1%; IM 0.1%. Power bandwidth (IHF) 5-40,-000 Hz; response 10-30,000 Hz at 1 W. Has two phono inputs, two tape monitors (direct dubbing), 4-ch adapter input; mike input. Direct-coupled both channels driven. 173/s" Wx59/i6" H x 121Vi6"D
.......................... $339.95

SANSUI AU-6500 Integrated Stereo Amplifier

47 W/ch (IHF) power at 4 ohms; 32 W/ch continuous power into 8 ohms. THD at rated ouput 0.1%; IM 0.1%. Power bandwidth (IHF) 5-40000 Hz; response 10-30,000 Hz at 1 W. Has two phono inputs; tape monitor; 4-ch adapter input; tuner & aux. inputs. Direct-coupled both channels driven. 17" W x 5" H x 12" D
.......................... $259.95

SANSUI AU-7700 Integrated Amplifier

54 W rms/ch into 8 ohms with both channels driven (20-20,000 Hz); THD & IM dist. 0.1% (at any level below rated output); power bandwidth 5-40,000 Hz; response 10-50,000 Hz +0.5, -1.0 dB at 1 W; hum & noise (IHF) 85 dB; features dual high-voltage power sources; parallel push-pull power stage; triple tone control; active hi- and low filters; loudness control with two modes; tape mode switch; two-step audio muting switch; preamp and main amps may be separated for individual use
.......................... $399.95

SANSUI AU-6600 Integrated Amplifier

42 W rms/ch into 8 ohms with both channels driven (20-20,000 Hz); THD & IM dist. 0.15%; power bandwidth 5-35,000 Hz; frequency response 10-40,000 Hz; hum & noise: 70 dB (phono); 85 dB (Aux.); 100 dB (main) all below rated output; dual power supplies; three tone controls with selective turnover frequency; full complement of inputs, outputs, switches, and controls
.......................... $349.95

SANSUI AU-5500 Integrated Amplifier

32 W rms/ch into 8 ohms with both channels driven (20-20,000 Hz); THD & IM dist. 0.15%; power bandwidth 5-30,000 Hz; response 10-35,000 Hz +0.5, -1.0 dB at 1 W; hum & noise (IHF) 85 dB; triple tone controls; full complement of inputs, outputs, switches, and controls
.......................... $299.95

SCOTT, H.H. 235S Integrated Stereo Amplifier

15 W/ch continous sine-wave power into 8 ohms with both channels driven; response 20-20,000 Hz ±1 dB; HD 0.5% at rated output; has volume/loudness compensation switch; tape monitor switch; speaker #1 or #2; mono/stereo; front-panel headphone jack; phono inputs on rear panel for magnetic or ceramic cartridges. 13V2"x 10"x4V2"
.......................... $159.95

SCOTT, H.H. 255S Integrated Stereo Amplifier

30 W/ch continous power output into 8 ohms with both channels driven; frequency response 20-20,000 Hz ±1 dB; IM & HD 0.3% max. at nominal power; accepts 4, 8 & 16 ohms speakers; linear-motion tone controls with detent center position; high- and low filters; tone-control bypass; volume/loudness compensation switch; 20 dB muting; separable preamp/amp; has two magnetic phono inputs, tuner or two aux. inputs. 153/8" x 9V2" x 5V2"
.......................... $229.95

SHERWOOD S9400 Integrated Stereo Amplifier

80 W/ch dynamic power at 8 ohms & 0.8% THD; 50 W/ch rms continuous power with both channels driven & at 8 ohms (40 W/ch from 20-20000 Hz; 60 W/ch into 4 ohms). Power bandwidth 5-45,000 Hz at 1% HD; response (aux.) 20-20,000 Hz ±Va dB. Input sensitivity: mag. phono #1 & #2 1.8 mV; aux. #1 & #2 200 mV; mic. 2.1 mV. Input impedance: mike 50,000 ohms. Has preamplif ied center-channel output; main/remote speaker capability; built-in Dyna-quad circuit for synthesizing regular 2-channel stereo program material. Walnut cabinet. 5Va" x 17V2" x 14" D
.......................... $259.95

SONY TA-1150 Integrated Amplifier

30 W/ch continuous rms power at 8 ohms from 20-20,000 Hz with both channels driven and 0.2% HD. HD 0.1% at 1 W. Has input/output jacks for connecting a 4-channel matrix decoder. 5" H x 16" W x 11" D
.......................... $269.50

SONY TA-2000F Stereo Preamp

Response 10-100,000 Hz-2 dB; HD 0.03%, IM 0.05%. Hum & noise —90 dB at phono input. Sensitivity: mag. phono 1.2 mV; aux. 110 mV. Has high-cut & low-cut filters, ganged tone controls, headphone output, tape monitoring facilities, microphone input on front panel, and VU meters. 5" H x 16" W x 11" D
.......................... $579.50

SONY TA-1130 Integrated Amplifier

50 W rms/ch into 8 ohms with both channels driven (20,20,000 Hz). Power bandwidth 7-30,000 Hz; response 10-200,000 Hz -2 dB. HD & IM 0.1% at rated output. Hum & noise —110 dB at phono input. Sensitivity: mag. phono 1.2 mV; aux., tuner & tape 130 mV. Has high-cut and low-cut filters, loudness compensation switch, ganged stepped tone controls, multiple speaker switching, headphone output, and tape monitoring facilities. Dampingfactor 100. 5" H x 16" W x 11" D
.......................... $429.50

SONY TA-3200F Stereo Power Amplifier

100 W rms/ch into 8 ohms with both channels driven (20-20,000 Hz). Power bandwidth 5-35,000 Hz; response 5-2000,000 Hz -2 dB. HD & IM 0.1% at rated output. Hum & noise -110 dB at rated output. Has multiple speaker switching and level input adjustment. Damping factor 170. 5" H x 16" W x 11" D
.......................... $369.50

SONY TA-1055 Integrated Amplifier

23 W/ch continuous rms power at 8 ohms; 20 W/ch 40-20,000 Hz at 8 ohms. Power bandwidth 8-40,000 Hz; response 10-60,000 Hz ±3 dB. HD& IM 0.5% at rated ouput. Dampingfac-tor 22 (1 kHz, 8 ohms). Features loudness, bass & treble tone controls; 6 dB/octave high filter above 5 kHz. 5" H x 16" W x 11" D
.......................... $199.50

SUPERSCOPE war bei uns hier völlig unbekannt

Da bietet ein amerikanischer Hersteller allen Ernstes einen 5 Watt an 8 Ohm Stereoverstärker bei einem Klirrfaktor von 1% an. Außerdem habe der Verstärker eine Netz-TASTE mit einem Pilot-Licht - aha, soetwas gab es wirklich (in den USA). Jetzt ist klar, daß nicht mal die Deutschen sich wagten, solchen Müll anzubieten.

.

SUPERSCOPE A-235 Integrated Stereo Amplifier

5 W/ch continuous power into 8 ohms and at 1% THD; IM 0.5% at 5 W. Response 30-40,000 Hz; power bandwidth 30-50,000 Hz at 8 ohms. Has push-button "on-off" switch with pilot light; stereo headphone jack; stereo balance control; bass & treble controls; input selector switch for tuner, phono, tape, or aux. positions. Output for one pair of stereo speakers. 14 3/8" W x 4 1/2" H x 7 1/2" D
.......................... $89.95

SUPERSCOPE A-260 Integrated Stereo Amplifier

20 W/ch continuous power into 8 ohms at 0.5% THD. Features "Quadraphase" switch to simulate 4-ch sound from 2-ch stereo sources with addition of pair of speakers. Response 20-25,-000 Hz± 1 dB; power bandwidth 20-50,000 Hz. Has straight-line tone and balance controls; tape monitor switch; main/remote speaker switches; selector switch for tape, tuner, phono, mike, or aux. positions; mike inputs for home recording or p.a.; stereo headphone jack; and illuminated function indicators. 14V2" x 5Vs"xll1Vi6"D
.......................... $189.95

SUPERSCOPE A-245 Integrated Stereo Amplifier

10 W/ch continuous power into 8 ohms and at 1% THD; IM 0.8%. Response 10-36,000 Hz; power bandwidth 13-23,000 Hz at 8 ohms. Has tape monitor switch; input selector switch for tuner, phono, or aux. positions; main/remote speaker switch. Speaker outputs for main and remote speaker pairs. 143/8" x 4V2" x 7V2" D
.......................... $119.95

TECHNICS BY PANASONIC SU-9600 Stereo Control Center

(Andere nannten solch ein Gerät Vorverstärker oder Preamplifier)
Features fixed and variable phono input sensitivity; switchable phono input imp.; separate L & R bass and treble controls in 2.5-dB steps; switch-selected bass & treble tone-control turnover frequencies (215/500 Hz and 2/8 kHz); tone-control defeat buttons; interdeck tape dubbing (2 decks); wide dynamic range in phono input with high overload tolerance (1350 mV max. input at 3 mV sensitivity); 18 dB/ octave high & low filters with selectable cut-off frequencies (low: 15 or 30 Hz; high: 10 or 15 kHz); click-stop attenuator-type calibrated volume controls; 20 dB audio muting switch; ultra-stable power supply; frequency response (phono) RIAA curve ±0.3 dB, (Aux.) 2-100,000 Hz +0, -3 dB; THD & IM dist. 0.02%; S/N 69-76 dB (phono), 95 dB (Aux. & tuner); rack mount-able. 6 3/6" H x 17 3/4" W x 13 3/4" D
.......................... $629.95

TECHNICS SE-9600 Stereo Power Amplifier

Ultra-stable, constant-current, constant-voltage power supply eliminates transient IM dist.; variable output impedance; peak-level power output meters with range switching; outputs for two sets of speakers; independent R & L channel level adjust; thermosensitive color indicators on heatsink fins; negative feedback; full overload protection for amplifier & speakers; 110 W rms/ch at 8 ohms; THD 0.08% (5-60,000 Hz); IM 0.08%;"power bandwidth 5-60,000 Hz; frequency response 5-150,000 Hz +0, -3 dB; S/N 110 dB; damping factor 1 to 100 in four steps; input sensitivity/impedance IV/40,000 ohms. Rack mountable. 7 5/8" x 17 3/4" W x 13 3/4" D
.......................... $799.95

TOSHIBA SB-500 Integrated Stereo Amplifier

35 W/ch continuous power at 8 ohms with both channels driven and 0.2% THD; HD & IM 0.2% at rated ouput. Response 10-70,000 Hz±l dB; power bandwidth 10-40,000 Hz (IHF, 0.2%). Imp. 4-16 ohms. Preamp input sensitivity; phono #1, mag. 2.5 mV, 47,000 ohms; condenser cartridge 30 mV, 70,000 ohms; phono #2 2.5 mV, 47,000 ohms; aux, tape, tuner 150 mV. response 20-30,000 Hz; THD 0.03% at rated rms output. Has bass, treble, and loudness controls; input for 4-channel adapter. Walnut cabinet. 15" W x 5" H x 2 5/8" D
.......................... $249.95

YAMAHA CA1000 Integrated Stereo Amplifier

75 W/ch continuous rms power into 8 ohms at 0.1% THD. THD & IM at 1 W 0.08% and 0.05%, respectively. Power bandwidth 5-50,000 Hz; (S + N)/N 70 dB (phono); phono sensitivity 0.1-3.0 mV. Has two tape, two phono, and two aux. tuner inputs; bass & treble controls; low and high filters
.......................... $600.00

YAMAHA CA800

Same as CA1000 except 50 W/ch and 3.0 mV phono sensitivity
.......................... $470.00

YAMAHA CA600 Integrated Stereo Amplifier

35 W/ch continuous rms power into 8 ohms at 0.1% THD. THD & IM at 1 W 0.08% and 0.05%, respectively. Power bandwidth 5-70,000 Hz; (S + N)/N 65 dB (phono); phono sensitivity 3.0mV
.......................... $330.00

YAMAHA CA400 Integrated Stereo Amplifier

22 W rms/ch into 8 ohms with both channels driven at 1000 Hz; 20 W/ch at 20-20,000 Hz; HD & IM dist. 0.1% at rated power; power bandwidth 8-70,000 Hz; frequency response 20-50,000 Hz +0.5 dB, -1.0 dB; has 4-stage direct-coupled phono amplifier; two phono inputs; bass & treble controls; loudness control; high & low filters; microphone input; tape monitor & dubbing facilities; two aux. inputs; four convenience a.c. outlets; separable preamp & power amp
.......................... $270.00

Das war ein Einblick in die Liste der auf dem amerikanischen Markt angepriesenen Verstärker aus den Jahren 1974 / 1975

Wenn ein Verstärker hier in dem Magazin angeboten / gelistet wurde, mußte das aber noch lange nicht heißen, daß der auch hergestellt / gefertigt wurde oder überhaupt lieferbar war. Und wie oben gesagt, der Anbieter mußte für den Eintrag in diesem Guide bezahlen !

Jetzt geht es weiter zu den Tunern.

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