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"off duty" 1970 - 1997 - eine Werbezeitung für's US Militär

Die in diesem amerikanischen (Freizeit-) Shopping-Magazin angeprie- senen Produkte waren auschließlich amerikanischen und kanadischen Militärangehörigen ausserhalb der USA zugänglich - also zu kaufen - vor allem zu ganz ungewöhnlich (verblüffend) niedrigen US $ Military-Preisen. Zu der einführenden "off duty" Seite geht es hier lang.

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Hier ist die Liste der Hifi-Spezialgeräte aus dem Januar 1974

Diese Bezeichnung ist verwirrend, denn Vorverstärker und Endstufen waren in unseren Augen keine Spezialgeräte mehr. In den nachfolgenden Magazinen wurden die dann auch bei den Receivern zusammen mit den Tunern mit aufgelistet. Bemerkenswert ist, daß immer noch viele amerikanische Geräte hier in Europa und in Deutschland nur mit ihren 110 Volt angeboten wurden, und somit einen brummenden Vorschalttrafo von 220 auf 110 Volt erzwangen.

Anmerkung :

Die vielen Seiten mit Spezifikationen und Texten sind automatisch eingescannt und automatisch OCR bearbeitet. Das Korrigieren der verhunzten Bandgeschwindigkeiten und Abmessungen macht bei der Menge keinen Sinn, es ist einfach zuviel Arbeit.

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Advent

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  • Advent Model 100A Noise Reduction Unit - Record/playback control center with Dolby B-type noise reduction system. Record section has line preamplifier and Dolby recording system with provision for plug-in microphone preamplifier. Playback section has Dolby playback system and line preamplifier. Controls for input level, record and playback levels. Built-in calibration oscillator and meters. Front-panel headphone jack. Dolby FM broadcast mode for use with FM tuners. Source-tape monitor switches. Defeatable multiplex filter. Harmonic distortion 0.5 per cent. Noise reduction 3 dB at 600 Hz, 10 dB above 4k Hz. Input impedance 50K ohms, output level 1.0 volt into 1K ohm. Size 13x5x8% in. Case optional.

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Advocate

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  • Advocate Model 101 Noise Reduction Unit - Tape recording control center with Dolby B-type noise reduction system. Has one stereo section which may be switched from record to playback mode. Record level controls for each channel. Built-in calibration meter and oscillator. Multiplex filter. Harmonic distortion 0.4 per cent, noise reduction 3 dB at 600 Hz, 10 dB above 4k Hz. Input impedance 50K ohms, output impedance 100 ohms. Size 12%x7x2J4 in. Wt. 9 lbs. Wood end panels.

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Amcron

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  • Amcron IC 150 - Stereo preamplifier console. Frequency response 3-100k Hz ±0.6 dB. Hum and noise -80 dB (phono input). Harmonic distortion unmeasureable, IM distortion 0.01 per cent. Output voltage 2.5 volts into 600 ohms. Inputs 5 high level plus two equalized phono. High and low frequency filters. Defeatable loudness circuit. Continuously variable mono/stereo/stereo-reverse control. Size 5/4x1 7x8 in. Wt. 10 lbs. 110-220 volts.
  • Amcron D-60 Power Amplifier - Stereo power amplifier. Power output 30 watts RMS per channel into 8 ohms (both channels operating). Frequency response 20-20k Hz ±0.1 dB at 30 watts. IM distortion 0.3 per cent. Hum and noise -100 dB. Load impedance 4-16 ohms. Front panel controls include individual channel volume controls and power switch. Front panel headphone jack. Size 1 9x1 %x7% in. Wt. 8J4 lbs. 1 10-220 volts.
  • Amcron D-150 Power Amplifier - Stereo power amplifier. Power output 90 watts RMS per channel into 8 ohms (both channels operating). Frequency response 20-20k Hz ±0.1 dB (at 1 watt). IM distortion 0.1 per cent. Hum and noise -100 dB. Load impedance 4-16 ohms. Input level controls on rear of unit. Size 1 7x5/4x9 in. Wt. 1 6 lbs. 110-220 volts.
  • Amcron DC-300A - Stereo power amplifier. Power output 150 watts rms per channel into 8 ohms with 0.05 per cent IM distortion, 0-20k Hz, both channels driven, frequency response 0-1 00k Hz (±1 dB at one watt). Hum and noise -100 dB. Front-panel controls include individual channel volume controls, power switch and dc-balance controls behind front panel. Output impedance 4-16 ohms. Size 19x7x9% in. Wt. 45 lbs. 110/220 volts ac, 50/60 Hz.

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Bose

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  • Bose 1800 - Stereo power amplifier - designed for commercial use. Power output 250 watts rms per channel into 8 ohms both channels driven. Further technical specifications not available. Front-panel LED peak-level indicator, high-temperature indicator, individual gain controls. Automatic start-delay circuit. Mounted on standard 19-in. rack panel. Size 19x8x15. 110/220 volts ac, 50/60 Hz. Max. power consumption 1,960 watts.
  • Bose 1801 - Stereo power amplifier. Power output 250 watts rms per channel into 8 ohms, both channels driven. Further technical specifications not available. Two VU meters plus LED peak-level indicator, input selector, remote speaker output with selector, individual gain controls, LED-dis-play/VU meter selector. Electronic overload-protection circuit, automatic start-delay circuit. Blackoutfrontpanel. Size 7/4x18x1 8/2 in. Wt. 82 lbs. 1 10/220 volts ac, 50/60 Hz. Max. power consumption 1,960 watts.

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Dynaco

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  • Dynaco PAT-4 - Stereo preamplifier. Frequency response 10-100k Hz ±0.5 dB (High level input). Hum and noise -70 dB (phono input). Harmonic distortion 0.05 per cent, IM distortion 0.05 per cent. Gain 54 dB (phono input), 20 dB (aux input). High and low frequency filters. Defeatable loudness circuit. Front panel input and output jacks. Size 13/2x4/4x9 in. Wt. 10 lbs. 110-220 volts. Kit or assembled!
  • Dynaco Stereo 80 - Stereo power amplifier. Output power 40 watts RMS per channel into 8 ohms with 0.5 per cent harmonic distortion at any frequency 20-20k Hz. Inter-modulation distortion 0.5 per cent. Hum and noise -90 dB. Input impedance 100k ohms. Size 14x8x4 in. Wt. 13 lbs. 1 10-220 volts. Kit or assembled.
  • Dynaco Stereo 120 - Stereo power amplifier. Power output 60 watts RMS per channel into 8 ohms with 0.25 per cent harmonic distortion at any frequency 20-20k Hz. IHF power bandwidth 5-50k Hz. IM distortion 0.5 per cent. Hum and noise -95 dB (unweighted). Input impedance 100K ohms. Load impedance 4-1 6 ohms. Size 1 3x 1 0/2x4 in. Wt. 20 lbs. 11 0-220 volts. Kit or assembled.
  • Dynaco Stereo 400 - Stereo power amplifier. Power output 200 watts RMS per channel into 8 ohms at any frequency with 0.25 per cent harmonic distortion. Frequency response 10-50k Hz +0, -1 dB 1 watt. High and low-frequency filters. 10-second turn-on delay circuit. Dynamic protection circuit with selectable power levels of 20, 40, 80, 120 and 200 watts RMS into 8 ohms. Fused speaker circuits. Switchable mono mode producing 600 watts RMS into 8 ohms. Size 16x12/2x7 in. Wt. lbs. Kit or assembled.
  • Dynaco QD-1 - High-level passive 4-channel matrix decoder. Designed to be connected to output of stereo amplifier and four speakers to produce 4-channel sound from regular matrix material and derived 4-channel from stereo material. May be connected to amplifiers which have common stereo ground in chassis. Electrical null balance circuit, front-speakers only mode and rear channel volume control. Kit or assembled.

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Electro-Voice

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  • Electro-Voice EVX-4 - Four channel decoder for Electro-Voice Stereo-4 encoded material. Unit connects ahead of power amplifier or in tape monitor circuit of control amplifier. Frequency response 10-100k Hz, Harmonic distortion 0.15 per cent, IM distortion 0.25 per cent. Input impedance 50k ohms, output impedance 3k ohms. Unity gain. Master gain/power switch plus function switch. Size 21/2x5,/4x7 in.
  • Electro-Voice EVX-44 - 4-channel matrix decoder with E-V universal decoder circuitry and front-rear logic. Connects between preamp and power amplifiers or in tape monitor circuit of system. Frequency response 20-20k Hz, harmonic distortion 0.1 per cent, IM distortion 0.2 per cent. Master volume control, logic defeat control, stereo tape monitor circuit, 4-channel tape input, discrete mode circuitry. Size 2%x8x7 in. 110 volts ac, 50/60 Hz.

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ESS

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  • ESS Stereo Preamplifier - Stereo preamplifier. Frequency response 10-40k Hz (±0.25 dB), harmonic distortion 0.0075 per cent, IM distortion 0.005 per cent, hum and noise -80 dB (phono input). Phono input plus four switchable high-level inputs. High and low-frequency filters, tone defeat control, monaural mode, tape monitor circuit, front-panel headphone jack. Optional walnut-finish wood case available. Size 16%x 6x9 in.
  • ESS M500 - Stereo power amplifier. Power output 250 watts rms per channel into 8 ohms with 0.1 per cent harmonic distortion, 20-20k Hz, both channels driven. Frequency response 5-1 00k Hz (±0.5 dB) at one watt. Power bandwidth 1-100k Hz. IM distortion 0.1 per cent, hum and noise -100 dB. Two VU meters, individual front-panel gain controls. Size 16/4x6x15 in.

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Harman-Kardon

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  • Harman-Kardon Citation Eleven - Stereo preamplifier-equaiizier. Frequenzy response 5-1 25k Hz±0.5 dB. Harmonicdistor-tion 0.05 per cent, IM distortion 0.05 per cent. Hum and noise -65 dB (phono input, unweighted). Four outputs, six inputs (2 phono), high and low frequency filters. Two front panel low impedance headphone jacks and speaker selection system in conjunction with power amp. Audio equalizer has five sliding controls which vary selected frequencies (60, 320, 1 k, 5k and 1 2k Hz) ± 1 2 dB. Two tape monitor circuits. Recommended output load 10k ohms. Size 16x43/x12 in. Wt. 20 lbs. 110-220 volts.
  • Harman-Kardon Citation Twelve - Stereo power amplifier. Power output 60 watts per channel into 8 ohms (both channels driven) with 0.2 per cent harmonic distortion at any frequency 20-20k Hz. Frequency response 1-70k Hz ±0.5 dB at 1 watt. IM distortion 0.1 5 percent. Hum and noise-100 dB. Input impedance 30k ohms. Dual power supplies. Size 5/2x1 2/2x123/4 in. Wt. 30 lbs. 110-220 volts.

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Kensonic

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  • Kensonic P-300 - Stereo power amplifier. Power output 150 watts rms per channel into 8 ohms with 0.1 per cent harmonic distortion, 20-20k Hz, both channels driven. Frequency response 7-40k Hz (-0.2 dB) at one watt. Hum and noise -92 dB. IM distortion 0.1 per cent. Outputs for four sets of stereo speakers with selector switch, two VU meters with meter sensitivity selector, individual front-panel gain controls, power-range selector (100, 50 or 25 per cent of full power). Electronic overload protection circuit, built-in bandpass (1 7-24k Hz) filter. Size 1 71/ax6x14 in. 110/220 volts ac, 50/60 Hz. Max. power consumption 510 watts.

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Kenwood

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  • Kenwood KM-8002 - Stereo power amplifier. Power output 55 watts RMS per channel into 8 ohms (both channels driven) with 0.3 per cent harmonic distortion at any frequency 20-20k Hz. Frequency response 20-50k Hz. IM distortion 0.3 per cent. Input impedance 50k ohms, load impedance 4-16 ohms. Outputs for two sets of remote speakers. Front panel headphone jack. Speaker phase-reverse switches. Any/all/phones speaker switch. Low frequency filter. Size 15/2x5/4x10/2 in. Wt. 23 lbs. 110-220 volts.
  • Kenwood KCD-2 - Plug-in CD-4 4-channel demodulator for use with Kenwood "Two-Four" receivers. Unit automatically switches to CD-4 mode in presence of 30k Hz carrier. Built-in dynamic noise reduction circuitry. Controls for carrier-level and separation adjustment. With CD-4 test record. Separation 25 dB (front-rear), 50 dB (left-right).
  • Kenwood KSQ-20 - 4-channel matrix decoder. Designed for use between preamp and power amp (or in tape monitor circuit). Built-in SQ and regular matrix decoder circuits. 4-channel tape monitor circuit. Frequency response 20-20k Hz ±1 dB. S/N ratio 100 dB. Walnut-finish wood cabinet. Size 13/4x4/4x10/ in. Wt. 8 lbs. 110-220 volts ac, 50/60 Hz.
  • Kenwood KSQ-400 - 4-channel matrix decoder/rear-channel amplifier. Power output 10 watts RMS per channel into 8 ohms at all frequencies, both channels driven, with 0.6 per cent harmonic distortion. Frequency response 20-20k Hz ±1 dB. S/N ratio 100 dB (high level). Built-in SQ and regular matrix decoder circuits. Connections for auxiliary decoders. Tape monitor circuit. Walnut-finish wood cabinet. Size 13%x4/4x10/4 in. Wt. 11 lbs. 110-220 volts ac, 50/60 Hz.
  • Kenwood KF-8011 - Stereo synamic noise filter. Electonically changes degree of noise filtration depending upon strength of input signal. Frequency response without filters 10-80k Hz ±0.5 dB. Harmonic distortion 0.09 per cent. Hum and noise -75 dB. Input impedance 50k ohms, load impedance 1k ohms. Four selectable filtration frequencies 3.5k, 5.5k, 8k and 12k Hz. Noise reduktion 0 dB with 0 dB input level, 15 dB with -50 dB input level. Dual VU meters. Tape monitor switch. Size 1 6/x5x1 1 in. Wt. 14 lbs. 110-220 volts.
  • Kenwood KC-6060 - Solid state audio test unit with oscilloscope. Frequency response of oscilloscope amplifiers 3-200k Hz, input impedance 250k ohms. Sweep frequency 10-100k Hz with internal synchronization. Internal 1 k Hz oscillator fortestsignal. Connections for testing, stereo display and multipath display. Size 16/4x5x1 1 in. Wt. 1 7 lbs.

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Marantz

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  • Marantz 3300 - Stereo preamplifier. Frequency response 6-80k Hz ±0, -3 dB. preamplifier and power amp or tape monitor circuit. Separate five-position controls for low, mid and high frequency. Tape monitor circuit. Anodized black and gold front panel.

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Mcintosh

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  • Mcintosh MQ-102 - Stereo frequency equalizer. Designed for connection between preamplifier and power amp or tape monitor circuit. Five-position selector alter frequency response under 150 Hz. Variable input attenuator and tape monitor circuit. Unfinished chassis box.
  • Mcintosh SCR 2 - Speaker and power-control relay module. Controls main/remote speaker and power on/off switching at remote location. Designed for use with Mcintosh C-28 preamplifier. Unfinished chassis box.

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Pioneer

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  • Pioneer SC-3000 - Stereo preamplifier. Frequency response 7-50k Hz (±1 dB). Harmonic distortion 0.1 per cent. Hum and noise -70 dB (phono input). High and low-frequency filters, tape monitor and input selector switch. 110/220 volts ac, 50/60 Hz.
  • Pioneer SM-3000 - Stereo power amplifier. Power output 85 watts rms per channel into 8 ohms with 0.1 per cent harmonic distortion, 20-20k Hz, one channel driven. Power bandwidth 5-70k Hz. Hum and noise -95 dB. Individual channel level controls, outputs for three sets of stereo speakers, subsonic filter. Size 1 63/4x6%x11 V* in. Wt. 34 lbs. 1 10/220 volts ac, 50/60 Hz. Max. power consumption 500 watts.
  • Pioneer QD-240 - 4-channel demodulator for CD-4 encoded material. Frequency response 20-15k Hz, S/N ratio 70 dB. Separation: left/right 50 dB, front/rear 30 dB. Built-in calibration meter. Size 8x5/4x16 in. Wt. 10 lbs. 110/220 volts ac, 50/60 Hz.
  • Pioneer QL-600A - Solid state 4-channel decoder/rear-channel amplifier. Built-in regular and SQ 4-channel matrix decoders. Inputs for stereo and 4-channel tape recorders. Power output 10 watts RMS per channel into 8 ohms (both channelsdriven). Harmonic distortion 0.5 per cent. Frequency response 20-20k Hz±1 dB. Individual volume controls for four channels plus master gain control. Size 17x5/2x13% in. Wt. 18 lbs. 110-220 volts.
  • Pioneer SR-202W - Stereo reverberation pramplifier. Frequency response 20-35k Hz ±2 dB, harmonic distortion 0.2 per cent, hum and noise -65 dB. Output voltage 330 mV into 10k ohms. Reverberation time adjustable (0-2.5 sec). Input impedance 300k ohms. Two tape monitor circuits. Unit designed for connection in tape monitor circuit of amplifier. Size 13x5/2x10/2 in. Wt. 13 lbs.
  • Pioneer SD-1000 - Audio test unit with oscilloscope. Oscilloscope amplifier frequency response 5-200k Hz -3 dB. Input impedance 190k ohms. Internal synch with 10-1 00k Hz sweep range. Internal test oscillator with 20-20k Hz range and auto-sweep mode which automatically sweeps from 20 to 20k Hz every 25 seconds. Front panel microphone jack and mic preamplifier for acoustic measurements. Connections for FM multi path display. Size 17x53/4x13% in. Wt. 20 lbs. 110-220 volts.

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SAE

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  • SAE Mark 1B - Stereo preamplifier/ equalizer. Frequency response 10-100k Hz (±0.25 dB). Harmonic distortion 0.02 per cent. IM distortion 0.02 per cent. Hum and noise -80 dB (phono input). Gain 62 dB (phono), 20 dB (aux input). Max. output 14 volts (Hi-Z load). Five switch-selected inputs, stereo/monaural mode selector, isolated tape dubbing circuit, tape monitor circuit, gain-range selector, main/remote speaker control circuit, front-panel recorder and headphone jacks. Equalizer section provides up to ±16 dB continously variable equalization at seven frequencies (40, 120, 320, 960, 2.5k, 7.5k, 15k Hz). Size 17x10/2x53/4 in. Wt. 20 lbs. 110/220 volts ac, 50/60 Hz.
  • SAE Mark 1M - Stereo preamplifier. Frequency response 10-100k Hz (±0.25 dB). Harmonic distortion 0.02 per cent. IM distortion 0.02 per cent. Hum and noise -80 dB (phono input). Gain 62 dB (phono), 20 dB (aux input). Max. output 14 volts (Hi-Z load). Five switch-selected inputs, stereo/monaural mode selector, two VU meters, gain-range selector, main/remote speaker selector circuit, front-panel recorder and headphone jacks, tape monitor circuit, isolated tape dubbing circuit. Size 17x10/2 x53/4 in. Wt. 20 lbs. 110/220 volts ac, 50/60 Hz.
  • SAE Mark IX - Stereo preamplifier/ equalizer. Frequency response 10-100k Hz ±0.25 dB (aux input). Harmonic distortion 0.02 per cent, IM distortion 0.02 per cent, S/N ratio 75 dB (phono input). Gain 62 dB (phono), 20 dB (aux input). Maximum output voltage 18 volts (hi-Z). Output impedance 600 ohms. Five controls vary response ±16 dB at peak frequencies (80, 320, 1280, 5k and 15k Hz). Four inputs (2 phono). Tape monitor circuit. Front panel headphone jack. SAE Mark XXX - Stereo preamplifier. Frequency response 10-100k Hz (±0.25 dB). Harmonic distortion 0.02 per cent. IM distortion 0.02 per cent. Hum and noise -80 dB (phono). Switch-selected inputs, tape monitor circuit. Size 17x10/2x5% in. Wt. 15 lbs. 110/220 volts ac, 50/60 Hz.
  • SAE Mark III - Stereo power amplifier. Power output 120 watts RMS per channel into 8 ohms (both channels driven) with 0.1 per cent harmonic distortion at any frequency 20-20k Hz. Frequency response 20-20k Hz ±0.1 dB at 120 watts. Hum and noise -100 dB, IM distortion 0.1 per cent. IHF power bandwidth 8-50k Hz. Input impedance 100k ohms. Dual VU meters with meter range controls. Front panel level controls. Dual power supplies. Size 1 7x1 5x5% in. Wt. 45 lbs.
  • SAE Mark HIM - Stereo power amplifier. Same as SAE Mark III except has two VU meters and meter-range switch.
  • SAE Mark IV - Stereo power amplifier. Power output 60 watts RMS per channel into 8'ohms (both channels driven) with 0.1 per cent harmonic distortion at any frequency 20-20k Hz. Frequency response at 60 watts 20-20k Hz ±0.1 dB. Hum and noise -100 dB. IM distortion 0.1 per cent. Input impedance 100k ohms. Front panel level controls. Size 17x133/4x53/4 in. Wt. 32 lbs.
  • SAE Mark XXXI - Stereo power amplifier. Power output 60 watts rms per channel into 8 ohms with 0.1 per cent harmonic distortion, 20-20k Hz, both channels driven. Frequency response 20-20k Hz (±0.1 dB) at 60 watts. Hum and noise -100 dB. IM distortion 0.1 per cent. Size 17x13x5% in. 110/220 volts ac, 50/60 Hz.
  • SAE Mark VII - Active audio (stereo) equalizer. Eleven controls vary response up to±16 dB at peak frequencies (40, 80, 160, 320, 640, 1 280, 2.5k, 5k, 10k, 1 5k and 20k Hz). Unequalized frequenzy response 20-20k Hz ±0.25 dB. Harmonic distortion 0.05 per cent, IM distortion 0.05 per cent, S/N ratio 90 dB. Insertion loss 1 dB. Input impedance 100k ohms, output impedance 600 ohms. Size 17x7x53/4 in. Wt. 16 lbs.

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Sansui

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  • Sansui QS-1 - 4-channel decoder/synthesizer. May be used as discrete 4-channel control unit, matrix decoder and to produce 4-channel effect with stereo material. Frequency response 20-20k Hz ±1 dB. Inputs and outputs for stereo and 4-channel tape recorders. Connects to monitor circuit of amplifier-requires additional power amplifier for complete 4-channel. Four VU meters and function controls. Size 5x1 53/4x11 in. Wt. 13 lbs. 110-220 volts.
  • Sansui QS-100 - 4-channel decoder/ rear-channel amplifier. Power output 15 watts RMS per channel into 8 ohms with 0.8 per cent harmonic distortion. Frequency response 20-50k Hz ±1 dB at 1 watt. IHF power bandwidth 25-40k Hz. Hum and noise -80 dB, IM distortion 1.0 per cent. 4-channel section handles discrete sources, has matrix decoder and 4-channel effect circuit. Remote output for extra set of rear speakers. Four VU meters. Tape monitor circuit. Size 10x5x1 1 in. Wt. 11 lbs. 110-220 volts.
  • Sansui QS-500 - 4-channel decoder/ rear-channel amplifier. Power output 33 watts RMS per channel into 8 ohms with 0.5 per cent harmonic distortion. Frequency response 20-50k Hz ±1 dB at 1 watt. Hum and noise -80 dB, IM distortion 0.5 per cent. 4-channel section has matrix decoder, circuit to create 4-channel effect with stereo material and handles discrete 4-channel material. Decoder output 775 mV. to front amp. Four VU meters. Inputs for stereo and 4-channel tape recorders. Tape monitor circuit. Size 15x6/2x131/4 in. Wt. 22 lbs. 110-220 volts.
  • Sansui RA-500 - Stereo reverberation preamplifier. To be connected in front of power amp or in tape monitor circuit. Frequency response 20~30k Hz ±2 dB. Harmonic distortion 0.2 per cent. S/N ratio 65 dB. Input impedance 200k ohms, load impedance 100k ohms. Maximum input voltage 3V. Inputs and outputs for two tape recorders. Variable reverberation time. Size 6/4x12x 10/2 in. Wt. 12 lbs. 110-220 volts.
  • Sansui ECA-3 - Stereo electronic crossover and four channel power amplifier. Incorporates electronic crossover system and two stereo power amplifiers for use with bi-amp speaker system. Power output of amplifiers 20 and 28 watts RMS per channel into 8 ohms. Harmonic distortion 0.3 per cent. Frequency response 20-60k Hz ±1 dB at one watt. IM distortion 0.3 per cent, hum and noise -80 dB. Load impedance 4-16 ohms. 110-220 volts.

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Shure

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  • Shure M64-2E - Solid state stereo preamplifier. Compact phono/mic/tape head preamplifier. Frequency response 20- 20k Hz ±2 dB. Switchable equalization for phono and tape. Harmonic distortion 1.0 per cent. High and low level outputs. Size 5/2x2/2x4/2 in. Wt. 2 lbs. 110-220 volts ac.
  • Shure M63-2E Audio Control Center - Compact monaural preamplifier/equalizer. Frequency response 20-20k Hz ±2 dB. Harmonic distortion 1.0 per cent. Five outputs including 600 ohm line and headphone. S/N ratio 68 dB. Two inputs with 50k ohms impedance. Equalizer section has high and low frequency filters and high and low roll-off filters with 6 dB per octave roll-off rate. Selectable roll-off frequencies. Size 11 />x 2/2x5/4 in. Wt. 4 lbs. 220 volts ac, 50/60 Hz.
  • Shure M67-2E Microphone Mixer - Four-input microphone mixer. Frequency response 20-20k Hz ±2 dB. Harmonic distortion 1.0 per cent. Inputs: microphone (4), line (bridging and termination). Outputs: line, microphone and headphone. Metal case. Size2y2x11/2x7/2 in. Wt. 5 lbs. 220 volts ac, 50/60 Hz.
  • Shure M675 Broadcast Master - Four-input line/mic mixer. Frequency response 20-20k Hz ±2 dB. Inputs: phono/line (2), line (2). All input controls have "cue" position. Internal cue and proqram speaker. Size 2/2x11/2x7/2 in.
  • Shure M688E Mixer - Solid state stereo microphone mixer. Frequency response 40-20k Hz ±3 dB. Harmonic distortion 1.0 per cent. Gain 59 dB. Accommodates four high or low impedance microphones. Pan control switches one microphone from one channel to another. Four outputs with different impedances. Size 2/ax11 /2x7 in. Wt. 5 lbs. 220 volts ac or 30 volts dc.
  • Shure VA-302E6 - Solid state professional sound system. Designed for use by performing groups in large areas. Power output 100 watts RMS with 5.0 per cent harmonic distortion. Frequency response 50-10k Hz ±3 dB. Hum and noise -60 dB Six input channels each with tone and reverb controls. Four anti-feedback filters. VU meter. Reverb control circuitry. Each speaker column has two 10-in woofers and four 8-in tweeters. Size: speaker column 623/4x15%x 8% in, amplifier 8/2x25x1434 in. Total system wt. 111 lbs. Built-in 6-way international voltage selector, 50/60 Hz

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Sony

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  • Sony TA-2000F - Stereo-preamplifier. Frequency response 20-100k Hz -2 dB (Aux input). Harmonic distortion 0.3 per cent. IM distortion 0.05 per cent. S/N ratio 70 dB (phono input). High level input impedance 100k ohms. Nine inputs, five outputs. Front panel jacks for mic input, aux input, head-phoneand line output. High and lowfrequen-cy filters. Tape monitor circuit. Dual VU meters. Size -\5%x5%xM]A in. Wt. 20 lbs. 110-220 volts.
  • Sony TA-3130F - Stereo power amplifier. Power output 50 watts rms per channel into 8 ohms with 0.1 per cent harmonic distortion, 20-20k Hz, both channels driven. Frequency response 1 0-200k Hz (+0, -2 dB) at one watt. Power bandwidth 6-35k Hz. IM distortion 0.1 per cent. Hum and noise -1 10 dB. Front-panel individual channel level controls. Size 8x53/4x123/4 in. Wt. 18 lbs. 110/220 volts ac, 50/60 Hz.
  • Sony TA-3140F - Stereo power amplifier. Power output 35 watts rms per channel into 8 ohms with 0.1 per cent harmonic distortion, 20-20k Hz, both channels operating. Frequency response 10-200k Hz (+0, -2 dB) at one watt. IM distortion 0.1 per cent. Hum and noise -110 dB. Front-panel individual channel level controls. Size 8x5%x1 234 in. Wt. 17 lbs. 110/220 volts ac, 50/60 Hz.
  • Sony TA-3200F - Stereo power amplifier. Power output 100 watts RMS per channel into 8 ohms (both channels driven) with 0.1 per cent harmonic distortion at any frequency 20-20k Hz. Frequency response 5-200k Hz -2 dB. S/N ratio 110 dB, IM distortion 0.1 per cent. Remote speaker outputs. Two inputs. Individual level controls, input selector and power limiter switch. Size 15%x 6x123/4 in. Wt. 31 lbs. 110-220 volts.
  • Sony SQA-100 - 4-channel matrix decoder/rear-channel amplifier. Power output 6 watts rms per channel into 8 ohms with 5.0 per cent harmonic distortion. Mode selector for stereo, stereo-to-4-channel synthesis, SQ matrix, Regular matrix and discrete 4-channel. Tape monitor circuit. Size 5x9x7% in. Wt. 7 lbs. 1 10/220 volts ac, 50/60 Hz.
  • Sony SQA-2Q0 - 4-channel matrix de-coder/rear-channe! (stereo) amplifier. Fower output 8 watts rms per channel into 8 ohms with 5.0 per cent harmonic distortion. Mode selector for stereo, stereo-to-4-channe! synthesis, SQ matrix with front-rear logic and discrete 4-channel. Separation: left-right 30 dB, front-rear 10 dB. Tape monitor circuit, complete rear-channel amplifier controls. Size 13x3x11 in. Wt. 8 lbs. 110/220 volts ac, 50/60 Hz.
  • Sony SQD-1000 - 4-channel matrix decoder. Mode selector for stereo, stereo-to-4-channel synthesis, SQ matrix with front-rear logicand discrete4-channel. Separation: left-right 30 dB, front-rear 10 dB. Tape monitor circuit Size 9x31/4x10 in. Wt. 5 lbs. 110/220 volts ac, 50/60 Hz.
  • Sony SOLD 2020 - 4-channel matrix decoder. Mode selector for stereo, stereo-to-4-channel synthesis, SQ matrix with full logic, Regular matrix and discrete 4-channel. Four VU meters and tape monitor circuit. Minimum separation between any two elements during SQ decoding 14 dB. Individual level controls for four channels plus master level control. Size 15%x6x13 in. Wt. 13 lbs. 110/220 volts ac, 50/60 Hz.
  • Sony MR-115 - Stereo dynamic noise reduction unit. Utilizes Dolby B-type system. Frequency response 20-16k Hz, harmonic distortion 0.5 per cent. VU/ca!ibration meter, calibration controls, built-in reference oscillator. S/N ratio improvement 10 dB at 10k Hz. 1 10/220 volts ac, 50/60 Hz.
  • Sony NR-335 - Stereo noise reduction unit. Utilizes Dolby B-type system. Contains four Dolby circuits to allow simultaneous recording and playback. Frequency response 20-1 6k Hz, harmonic distortion 0.3 per cent. Two VU/calibration meters, calibration controls, built-in reference oscillator, microphone preamplifier, front-panel headphone jack. S/N ratio improvement 10 dB at 10k Hz. 1 10/220 volts ac, 50/60 Hz.
  • Sony SB-300 - Passive stereo audio switching unit for tape recorder control. Accommodates three stereo tape recorders. Three tape monitor circuits, isolated dubbing circuit.
  • Sony SB-3335 - Stereo passive system switching center. Unit interconnects, with switch selection, three timers, three phono inputs, three auxiliary inputs, three tape recorders, three amplifiers and five sets of stereo speakers. Tape monitor circuits and isolatedtapedubbing circuit. Speakermuting control and master volume control. Size 15%x5%x13 in.

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Soundcraftsmen

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  • Soundcraftsmen PE-2217 - Stereo preamplifier/audio equalizer. Frequency response 10-100k Hz (±0.25 dB). Harmonic distortion 0.02 per cent. IM distortion 0 02 per cent Hum and noise -90 dB. Four switch-selected inputs, two tape monitor circuits, isolated tape dubbing circuit, LED balance indicators, stereo/monaural mode selector, front-panel headphone and recorder jacks. Equalizer section provides up to ±12 dB continuously variable equalization at ten frequencies (30, 60, 120, 240, 480, 960, 1 920, 3840, 7680 and 1 5,360 Hz) for each individual channel. With case. 110/220 volts ac, 50/60 Hz.
  • Soundcraftsmen 10-12 - Single-channel equalizer. Frequency response 20-20, 480 Hz ±0.25 dB. Harmonic distortion 0.1 per cent. Intermodulation distortion 0.1 per cent. S/N ratio 90 dB. VU meter switchable to input or output. Input and output level controls. Ten controls to vary response ±12 dB at peak frequencies (30, 60, 120, 240, 480, 960, 1920, 3840, 7680 and 15,360 Hz). With walnut- finish case. Size 5/4x1 8x11
  • Soundcraftsmen Model 20-12 - Solid state stereo equalizer. Frequency response (without equalization) 20-20k Hz ±0.5 dB. Harmonic distortion 0.1 per cent. IM distortion 0.1 per cent. S/N ratio 65 dB (unweighted). Input impedance 100k ohms. Ten controls for each channel to vary response ±12 dB at peak frequencies (30, 60, 120, 240, 480, 960, 1920, 3840, 7680 and 15,360 Hz). Output level of each channel individually adjustable. With walnut finish wood case. Size 5x17%x1 1 in.

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Teac

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  • Teac AN-60 - Stereo noise reduction unit. Utilizes Dolby B-type system to reduce noise incurred in tape recording. Frequency response 20-15k Hz±2dB. Harmonic distortion 0.5 per cent. Calibration meter, record level controls, built-in oscillator. S/N ratio improvement 10 dB at 10k Hz. Size 33/4x7/2x 10/ in. Wt. 5 lbs. 110-220 volts.
  • Teac AIM-80 - Stereo noise reduction unit. Utilizes Dolby B-type system to reduce noise incurred in tape recording. Frequency response 20-1 5k Hz±2dB. Harmonic distortion 0.5 per cent. Calibration meter, record level controls, built in oscillator. S/N ratio improvement 10 dB at 10k Hz. Size 3/x16x 10% in. Wt. 9 lbs. 1 10-220 volts ac, 50/60 Hz.
  • Teac AN-180 - Stereo noise reduction unit. Utilizes Dolby B-type system to reduce noise incurred in tape recording Has four Dolby circuits to allow simultaneous recording and playback. Frequency response 20-1 5k Hz ±0.5 dB. Harmonic distortion 0.3 per cent. S/N ratio 65 dB Built-in multiplex filters and test tone oscillator. Built-in microphone preamplifier. Input impedance 600 ohms mic, 100k ohms line. Noise reduction 5 dB at 1k Hz, 10dBat 10k Hz. Output level 1V. Dual VU meters. Size 51/2x1 6x1 2% in. Wt. 16 lbs.
  • Teac AN-300 - 4-channel noise reduction unit. Utilizes Dolby B-type system. Four Dolby circuits may be used for simultaneous stereo record/playback or one-way 4-channel operation. Frequency response 20-20k Hz ±1.5 dB. Harmonic distortion 0.2 per cent. Noise reduction 5 dB at 1k Hz, 10 dB at 10k Hz. Four VU meters, built-in calibration oscillator, multiplex filter, input and output level controls. Size 6%x16x10 in. Wt. 1 7 lbs. 11 0/220 volts ac, 50/60 Hz.
  • Teac AX-300 - 4-channel audio mixing console. Six input channels (four mic/line, two mic-only) each channel with selectable 0-20-40 dB attunator and low-frequency filter. Four input channels may be switched to various individual or combination output channels. Master volume control. Frequency response 60-20k Hz +1, -2 dB. Hum and noise -62 dB. Harmonic distortion 0.2 per cent. Amplifier gain 60 dB. Size 6x1 6x1 OK? in. Wt. 16 lbs. 1 10-220 volts.

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Toya

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Toya HGL-2701/2400 - 4 channel adapter/decoder. High-level post amplifier matrix decoder designed to be connected to output of stereo amplifier. Requires four speaker units. Balance and mode controls. Passive circuitry. Wood cabinet. Size 6x3/2X 41/2 in.
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