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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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Vorab-Anmerkung zur Merkt-Lage in 1974/75

Nachdem die Rezession den US Markt der 48 Staaten kräftig gebeutelt hatte, mußte sogar Mcintosh seine Edelgeräte über den Military Martk anbieten, und sogar den Preisverfall in Kauf nehmen, der sich schon herum gesprochen hatte, um überhaupt nocht etwas zu verkaufen. In der Mcintosh Historie erzählt der langjährige Lautsprecher-Entwickler Roger Russell, daß Mcintosh in dieser schweren Zeit sogar mehrere Fabrikationsgebäude am Stammsitz verkaufen mußte, weil einfach das Geld zum Überleben gebraucht wurde. Daß der US-Markt für Edel-Hifi sich bis in 1978/79 deutlich erholte, mußte man erahnen. Wissen konnts das keiner.

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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 piayback 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%x7x21/2 in. Wt. 9 lbs. Wood end panels.

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Amcron

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  1. 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 514x1 7x8 in. Wt. 1 0 lbs. 11 0-220 volts.
  2. 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. 8/2 lbs. 110-220 volts.
  3. 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.
  4. 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 0-100k 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.
  5. Amcron OC-1 50 - Stereo output control unit. Includes outputs for three pairs of stereospeakers, two headphone jacks and two VU meters. VU meters read average signal levels and peaks. Peak readings may be held for variable duration (600 milliseconds to infinity). Variable meter sensitivity from 1.4 volts to 140 volts. Size 5/4x1 7x8/4 in. Wt. 10 lbs.
  6. Amcron VFX-2 - Stereo electronic filter/ crossover unit. Each channel containstwofilters continuously variable from 20-20k Hz. Filter rolloff 18 dB per octave. Frequency response 20-20kHz(±1 dB).IM distortion 0.01 percent, hum and noise -1 13 dB. Size 19x3/2x5% in. Wt. 6 lbs. 1 10/220 voltsac, 50/60 Hz.

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Bose

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  1. Bose 4401 - 4-channel pre-amplifier. Frequency response 20-20k Hz (±0.2 dB), harmonic distortion 0.2 per cent. Hum and noise -80 dB (aux. input). Inputs for optional SQ decoder and CD-4 demodulator. High and low frequency filters, two tape monitor circuits and front panel 4-channel headphone jacks. Size 6x18x13/4 in. Wt. 12 lbs. 110/220 volts ac, 50/60 Hz.
  2. Bose 1800 - Stereo power amplifier designed for commercial use. Power output 250 watts rms per channel into 8 ohms both channels driven. Front-panel LED peak-level indicator, high-temperature indicator, individual gain controls. Automatic start-delay circuit. Mounted on standard 19-in. rack panel. Size 1 9x8x1 5 in. 1 1 0/220 volts ac, 50/60 Hz. Max. power consumption 1,960 watts.
  3. Bose 1801 - Stereo power amplifier. Power output 250 watts rms per channel into 8 ohms, both channels driven. Two VU meters plus LED peak-level indicator, input selector, remote speaker output with selector, individual gain controls, LED-display/VU meter selector. Electronic overload-protection circuit, automatic start-delay circuit. Blackout front panel. Size 7Kx1-£x18K in. Wt. 82 lbs. 110/ 220 volts ac, 50/60 Hz. Max. power consumption 1,960 watts.

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dbx

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  1. dbx 117 - Stereo dynamic range expansion/ compression and noise reduction unit. Frequency response 20-20k Hz (-1 dB). Distortion 0.5 per cent at 20 Hz. Compression and expansion continuous from 1.4 compression slope (14 dB output change/20 dB input change) to 2.0 expansion slope (20 dB output change/1 OdB input change). Size 3%x5%x9 in. Wt. 4/2 lbs.
  2. dbx 119 - Same as dbx 117 except has continuous expansion and compression from constant output at varying input to 2.0 expansion slope; also has above threshold mode for expansion and compression above a preset peak level.
  3. dbx 122 - Same as dbx 117 except has constant 2:1 compression ratio for recording/ playback use as noise reduction unit and for decoding dbx discs.
  4. dbx 124 - Same as dbx 122 except has four channels for discrete quadraphonic recording or for monitoring stereo recording.

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Dynaco

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  1. 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!
  2. 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. 110-220 volts. Kit or assembled.
  3. Dynaco Stereo 120 - Stereo power amplifier. Power output 60 watts RMS perchannel 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 10/2x4 in. Wt. 20 lbs. 110-220 volts. Kit or assembled.
  4. 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, 1 20 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.
  5. Dynaco Stereo 400M/A - Same as Dynaco Stereo 400 except has two VU meters with variable sensitivity.
  6. 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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ESS

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  1. 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.
  2. ESS M200 - Stereo power amplifier. Power output 1 00 watts rms per channel into 8 ohms with 0.05 per cent harmonic distortion, 20-20k Hz, both channels driven. Frequency response 22-41 k Hz (±0.25 dB) at 1 watt. IM distortion 0.05 per cent, hum and noise -100 dB.
  3. 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 5-100k 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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  1. Harman-Kardon Citation Eleven - Stereo preamplifier-equalizer. Frequency response 5-125k Hz±0.5 dB. Harmonic distortion 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) ± 12 dB. Two tape monitor circuits. Recommended output load 10k ohms. Size 16x4%x12 in. Wt. 20 lbs. 110-220 volts.
  2. 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 2/2x1 23/4 in. Wt. 30 lbs. 110-220 volts.
  3. Harman/Kardon Citation Twelve Deluxe - Same as Harman/Kardon Citation Twelve except has walnut case and chrome face-plate.
  4. Harman/Kardon 44+ - CD-4 4-channel demodulator. Add-on unit to be placed between turntable and amplifier to decode CD-4 material. Frequency response 20-10k Hz (±1.5 dB). S/N ratio 60dB. Channel separation 20dB. Size4/4x12x5'/4in.Wt.8lbs.

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JVC-Nivico

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  1. JVC-Nivico SEA-10 - Stereo equalizer. Frequency response 20-30k Hz. Harmonic distortion 0.1 per cent, hum and noise -70 dB. Input impedance 1 00k ohms. Five controls vary response ± 1 2 dB at peak frequencies (40 or 60, 250, 1 k, 5k, 1 Ok or 1 5k Hz). Controls equalize both channels concurrently. Tape monitor circuit. Size 5^x7^x1 0 in. Wt. 5 lbs.
  2. JVC-Nivico 4DD-5 - CD-4 4-channel demodulator. Add-on unit to be placed between turntable and amplifier to decode CD-4 records. Frequency response 20-1 6k Hz. S/N ratio 60 dB. Size 3/2x7x1 2% in. Wt. 5 lbs.
  3. JVC-Nivico NR-1020U - Stereo noise reduction unit. Utilizes JVC ANRS-type system to reduce noise incurred in tape recording. Frequency response 20-20k Hz (±2 dB), harmonic distortion 0.5 per cent at 1 k Hz. S/N ratio 60 dB at 1 k Hz. Separation 55 dB. Calibration meters. S/N improvement 1 0 dB at 5k Hz. Size 3%x 13/4x7/2 in. Wt. 6 lbs. 1 1 0/220 volts ac, 50/60 Hz.

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Kensonics

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  1. Kensonics C-200 - Stereo preamplifier. Frequency response 20-20k Hz (-0.5 dB). Harmonic distortion 0.05 per cent. Hum and noise -64 dB (phono input). Selectable-frequency bass (200 and 400 Hz) and treble (2.5k and 5k Hz) controls, high and low-frequency filters, defeatable subsonic (below 25 Hz) filter, defeatable loudness circuit, three tape monitor circuits, isolated tape dubbing circuit, main/remote speaker switching circuit, mono/stereo mode switch. Front-panel headphone and tape recorder jacks. Size 17/2x6x14 in. Wt. 31 lbs. 110/ 220 volts ac, 50/60 Hz.
  2. 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 7/2x6x14 in. 110/220 volts ac, 50/60 Hz. Max. power consumption 510 watts.

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Kenwood

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  1. Kenwood 700C - Stereo pre-amplifier. Frequency response 20-20k Hz (±0.3 dB), harmonic distortion 0.04 per cent, IM distortion 0.04 per cent, hum and noise -70 dB (phono input). Two phono inputs plus three high level auxiliary inputs. Low and sub-sonic frequency filters. High frequency filter with variable cutoff at 7 and 1 2 kHz. Two-stage loudness circuit, tape monitor circuits and front-panel headphone and microphone jacks. Size 1 71/4x53/4x1 2 in. Wt. 25 lbs.
  2. Kenwood 700M - Stereo power amplifier. Power output 1 70 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 (-0.4 dB). Power bandwidth 5-30k Hz. IM distortion 0.1 per cent, hum and noise -1 20 dB. Two VU meters with variable sensitivity. Outputs for three sets of stereo speakers. Individual front-panel gain controls. Size 1 7/4x8x1 5 in. Wt. 60 lbs.
  3. 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)4x554x1054 in. Wt. 23 lbs. 110-220 volts.
  4. 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).
  5. 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 13/4x4/4x101/4 in. Wt. 8 lbs. 110-220 volts ac, 50/60 Hz.
  6. 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 1354x454x1054 in. Wt. 11 lbs. 110-220 volts ac, 50/60 Hz.
  7. 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.
  8. Kenwood KC-6060A - 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 for test signal. Connections for testing, stereo display and multipath display. Size 1 6/4x5x11 in. Wt. 1 7 lbs.

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Marantz

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  1. Marantz 3300 - Stereo preamplifier. Frequency response 6-80k Hz ±0, -3 dB. Harmonic distortion 0.02 per cent High and low-frequency filters with selectable frequencies. Defeatable loudness circuit. Two tape monitor circuits. Inputs: microphone, phono (2), tuner, auxiliary (2). Front-panel dubbing and headphone jacks. Center-channel output. Built-in speaker control circuit. Walnut-finish cabinet optional. Size I5/2X 53/4x83/4 in. Wt. 14 lbs. 1 10-220 volts.
  2. Marantz 4000 - 4-channel adapter preamp with provision for plug-in SQ matrix decoder. Designed for use with a stereo receiver or amplifier and stereo power amplifier to provide 4-channel sound. Four VU meters, master volume control, optional remote 4-channel volume/balance control, remote speaker control circuit, defeatable loudness circuit, stereo and 4-channel tape monitor circuits, 4-channel synthesizer circuit. High and low-frequency filters, and tone controls for rear channels. Front-panel rear-channel headphone jack. 110/220 volts ac, 50/60 Hz.
  3. Marantz 250 - Stereo power amplifier. Power output 125 watts RMS per channel into 8 ohms at any frequency, both channels driven, with 0.1 per cent harmonic distortion. Frequency response 2-100k Hz ±1.5 dB. Intermodulation distortion 0.1 percent. S/N ratio 106 dB. Two VU meters with variable sensitivity. Walnut-finish cabinet optional. Size 1514x6x95$ in. Wt. 28 lbs. 110-220 volts.
  4. Marantz 500 - Stereo power amplifier. Power output 250 watts RMS per channel into 8 ohms at any frequency, both channels driven, with 0.1 per cent harmonic distortion. Frequency response 2-100k Hz ±1.5 dB. Intermodulation distortion 0.1 percent. S/N ratio 110 dB. Two VII meters, front-panel input and output connections, power limiting and level controls. Size 17x7x16 in. Wt. 78 lbs. 110 220 volts.
  5. Marantz SQA-1 - Plug in SQ matrix decoder module with front rear logic for Marantz units with plug-in provision. Der war hier schon veraltet, weil noch mit Transistoren bestück)
  6. Marantz 2440 Quadradtal 4 Adaptor -4-channel matrix decoder / rear-channel amplifier. Power output 20 watts RMS per channel into 8 ohms at any frequency, both channels driven, with 0.1 5 per cent harmonic distortion. Frequency response 15-80k Hz ±2 dB. Intermodulation distortion 0.3 per cent. Built-in regular matrix 4-channel decoder with socket for optional SQ decoder unit. Four VU meters, 4-channel tape monitor circuit, jack for optional 4-channel balance/ volume remote control, remote rear-channel speaker output. Front-panel rear-channel headphone jack. Walnut-finish cabinet optional. Size 17x5x14 in.

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Mcintosh

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  1. Mcintosh C-26 - Stereo preamplifier. Frequency response 20-20k Hz (+0, -0.5 dB). Harmonic distortion 0.1 per cent. Hum and noise -74 dB (phono input). Six switch-selected inputs, variable loudness circuit, stereo / monaural mode selector, two tape monitor circuits, high and low-frequency filters, main/remote speaker switching circuit, variable-level center-channel output, front-panel headphone jack. Size 16x51/2x13 in.
  2. Mcintosh C-28 - Stereo preamplifier. Frequency response 20-20k Hz (+0, -0.5 dB). Harmonic distortion 0.1 per cent. Hum and noise -78 dB (phono input). Six switch-selected inputs, defeatable presence and loudness circuits, Stereo/monaural mode selector, two tape monitor circuits, isolated tape dubbing circuit, high and low-frequency filters, main/remote speaker switches (used with optional SCR-2 relay module), variable-level center-channel output, front-panel recorder and headphone jacks, low-frequency (under 100 Hz) level control. Size 16x 5K>x13 in.
  3. Mcintosh MC-250 - Stereo power amplifier. Power output 50 watts rms per channel into 8 ohms with 0.25 per cent harmonic distortion, 20-20k Hz, both channels driven. Frequency response 1 5-60k Hz (+0, -0.5 dB at 50 watts). Hum and noise 90 dB. IM distortion 0.25 per cent. Stereo/ monaural mode selector. Individual channel level controls. Size 7x10%x153/4 in. Max. power consumption 250 watts. Uncovered chassis, no case available.
  4. Mcintosh MC-2100 - Stereo power amplifier. Power output 105 watts rms per channel into 8 ohms with 0.25 per cent harmonic distortion, 20-20k Hz, both channels driven. Frequency response 1 5-60k Hz (+0, -0.5 dB at 105 watts). Hum and noise -90 dB. IM distortion 0.25 per cent. Stereo/ monaural mode selector. Individual channel level controls. Size 73/4x11%x17 in. Max. power consumption 450 watts. Uncovered chassis, no case available.
  5. Mcintosh MC-2105 - Stereo power amplifier. Same as Mcintosh MC-2100 except has anodized black and gold front panel, two peak-reading VU meters with meter-range switch, speaker on/off switch, and front-panel headphone jack. Size 16!4x 7x14/2 in.
  6. Mcintosh MC-2300 - Stereo power amplifier. Power output 300 watts rms per channel into 8 ohms with 0.25 per cent harmonic distortion, 20-20k Hz, both channels driven. Frequency response 20-20k Hz (+0, -0.5 dB at 300 watts). Hum and noise -90 dB. IM distortion 0.25 per cent. Two peak-reading VU meters with meter range switch, individual channel level controls. Size 1 9x10''2x1 7 in. Max. power consumption 1400 watts.
  7. Mcintosh MC-2505 - Stereo power amplifier. Same as Mcintosh MC-250 except has anodized black and gold front panel, two peak reading VU meters with meter-range switch, speaker on/off switch and front-panel headphone jack. Size 16x5/2X 13 in.
  8. Mcintosh MQ-101 - Stereo frequency equalizer. Designed for connection between 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.
  9. Mcintosh MQ-102 - Stereo frequency equalizer. Designed for connection between preamplifier and power amp or in tape monitor circuit. Five-position selector alters frequency response under 150 Hz. Variable input attenuator and tape monitor circuit. Unfinished chassis box.
  10. 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
  11. Mcintosh C-28 preamplifier. Unfinished chassis box.

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Pioneer

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  • Pioneer SR-202W - Stereo reverberation preamplifier 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 13x51-2x10/a in. Wt 13 lbs.

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Russound

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  1. Russound GIMP - Two input microphone mixer. Frequency response 20-20k Hz (±0.2 dB). Output impedance 70 ohms maximum. Input impedance 100k ohms each channel. Powered by one 9 volt battery. Metal case. Size 2x2x6 in. Wt. 1 5 oz.
  2. Russound lmp-1 - Impedance matching unit. For use in converting impedance of high input and low output systems. Frequency response 20-20k Hz (±0.2 dB). Input impedance 4 megohms (30-1 k Hz), 1 megohm (1 -20kHz). Output impedance 100 ohms (20-20k Hz). Powered by one 9 volt battery. Metal case. Size 2x2x6 in. Wt. 14oz.
  3. Russound MP-2 - Switching unit for use with two amplifiers and up to 4 sets of stereo speakers. Maximum power input 1 5 watts rms per channel. Variable volume controls for each set of speakers. Size 3/2x8/4x4 in.
  4. Russound SWB-2 - Switching unit for use with two amplifiers and up to 3 sets of stereo speakers. Maximum power input 70 watts rms per channel. Size 2x7x3 in. Wt. 112 lbs. Also available as SWB 2W with walnut-finish case.
  5. Russound TMS-1 - Tape monitor circuitry unit for use with three tape decks or other input/output functions. Size 3x4 ix3-2 in. Wt. VA lbs. Also available as TMS-1W with walnut-finish case.

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SAE

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  1. 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 1 7x10^x5% in. Wt. 20 lbs. 110/220 volts ac, 50/60 Hz.
  2. 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 1 7x 10!2 x53/4 in. Wt. 20 lbs. 110/220 volts ac, 50/60 Hz.
  3. SAE Mark IXB - Stereo preamplifier/ equalizer. Frequency response 10-100k Hz j: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 42 dB (phono), 20 dB (aux input). Output impedance 600 ohms. Seven controls vary response ±16 or 8 dB at peak frequencies (40, 120, 320, 960, 2.5k, 7.5k and 1 5k Hz). Four inputs (2 phono). Tape monitor circuit. Front panel headphone jack. Size 1 7x5'ix7 in. 1 10 volts ac, 50/60 Hz.
  4. 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.
  5. SAE Mark III - Stereo power amplifier. Power output 1 20 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 17x1 5x5% in. Wt. 45 lbs.
  6. SAE Mark IIIM - Stereo power amplifier. Same as SAE Mark III except has two VU meters and meter-range switch.
  7. SAE Mark IVD - Stereo power amplifier. Power output 1 00 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 (±0.25 dB) at rated output. Hum and noise -100 dB, IM distortion 0.05 per cent. Size 1 7x1 3x5% in. Wt. 35 lbs.
  8. SAE Mark IVDM - Same as SAE Mark IVD except has two VU meters with variable sensitivity control.
  9. 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.
  10. 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 17x7x5% in. Wt. 16 lbs.
  11. SAE Mark XXVII - Same as SAE Mark VII except has separate controls for each channel.

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Sansui

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  1. Sansui QC-04 - CD-4 4-channel demodulator. Add-on unit to be placed between turntable and amplifier to decode CD-4 material. Frequency response 20-1 5k Hz. Size 4%x6/4X 1 1 % in. Wt. 5 lbs. 1 1 0/220 volts ac, 50/60 Hz.
  2. 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
  3. 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 5%x11 in. Wt. 1 3 lbs. 110-220 volts.
  4. 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 10x5x11 in. Wt. 11 lbs. 11 0-220 volts.
  5. 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.
  6. Sansui QS-800A - 4-channel decoder/ rear-channel amplifier. Power output 45 watts rms per channel into 8 ohms with 0.5 per cent harmonic distortion, 20-20k Hz, both channels driven. Frequency response 20-30k Hz (+0.5 dB, -2.0 dB) at 1 watt. Hum and noise -80 dB. IM distortion 0.5 per cent. Matrix circuitry decodes SQ and regular matrix material. Four VU meters, three tape monitor circuits and outputs for two sets of 4-channel speakers. Size 6x1 8/4x1 3/4 in. Wt. 32 lbs. 1 1 0/220 volts ac, 50/60 Hz.
  7. 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.
  8. 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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  1. 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 5V2x2y2x41/2 in. Wt. 2 lbs. 110-220 volts ac.
  2. 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 !4x 2/2x51/4 in. Wt. 4 lbs. 220 volts ac. 50/60 Hz.
  3. 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. Size 2/2x11/2x71/2 in. Wt. 5 lbs. 220 volts ac, 50/60 Hz.
  4. 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 program speaker. Size 2/2x11/2x7/2 in.
  5. 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 2/2x111/2x7 in. Wt. 5 lbs. 220 volts ac or 30 volts dc.
  6. 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 62%x15%x 8% in, amplifier 8/2x25x14% 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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  1. 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, headphone and line output. High and lowfrequen-cy filters. Tape monitor circuit. Dual VU meters. Size 153/4x53/4x12/4 in. Wt. 20 lbs. 110-220 volts.
  2. 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.
  3. 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. 110/220 volts ac, 50/60 Hz.
  4. Sony SQA-200 - 4-channel matrix decoder/rear-channel (stereo) amplifier. Power output 8 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 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.
  5. Sony SQD-1000 - 4-channel matrix decoder. Mode selector for stereo, stereo-to-4-channel synthesis, SQ matrix with front-rear logic and discrete 4-channel. Separation: left-right 30 dB, front-rear 10 dB. Tape monitor circuit. Size 9x3/4x10 in. Wt. 5 lbs. 110/220 volts ac, 50/60 Hz.
  6. Sony SQD-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 153/4x6x13 in. Wt. 13 lbs. 110/220 volts ac, 50/60 Hz.
  7. Sony SB-300 - Passive stereo audio switching unit for tape recorder control. Accommodates three stereo tape recorders. Three tape monitor circuits, isolated dubbing circuit.
  8. Sony SB-3335 - Stereo passive system switching center. Unit interconnects, with switch selection, three tuners, three phono inputs, three auxiliary inputs, three tape recorders, three amplifiers and five sets of stereo speakers. Tape monitor circuits and isolated tape dubbing circuit. Speaker muting control and master volume control. Size 153/4x53/4x13 in.

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Soundcraftsmen

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  1. 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 headphoneand 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.
  2. Soundcraftsmen RP-2212 - Same as Soundcraftsmen Model 20-12 except has visual display of input and output signals and tape equalization circuitry.
  3. 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%x11 in.

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Teac

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  1. Teac AIM-60 - Stereo noise reduction unit. Utilizes Dolby B-type system to reducenoise 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 1 0 dB at 1 Ok Hz. Size 33Ax7]Ax 10/2 in. Wt. 5 lbs. 110-220 volts.
  2. Teac AN-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 31/2x16x 103/4 in. Wt. 9 lbs. 1 10-220 volts ac, 50/60 Hz.
  3. 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 1 k Hz, 10 dB at 10k Hz. Output level 1V. Dual VU meters. Size 51/?x1 6x1 23/4 in. Wt. 16 lbs.
  4. 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 63/4x16x10 in. Wt. 1 7 lbs. 1 1 0/220 volts ac, 50/60 Hz.
  5. 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 6x16x10/2 in. Wt. 16 lbs. 1 10-220 volts.

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Technics

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  1. Technics SU-9600 - Stereo preamplifier. Frequency response 2-1 00k Hz (-3 dB), harmonic distortion 0.02 per cent, hum and noise -73 dB (phono input). Two phono inputs plus three high-level inputs. High and lowfrequency filters with variable cut-off frequencies. Tape monitor circuit. Selectable frequency bass and treble tone controls. Variable input impedance controls. Size 6/4x1 73/4x1 33/4 in. Wt. 23 lbs. 1 1 0/220 volts ac, 50/60 Hz.
  2. Technics SE-9600 - Stereo power amplifier. Power output 1 1 0 watts rms per channel into 8 ohms with 0.08 per cent harmonic distortion, 20-20k Hz, both channels driven. Frequency response 5-1 50k Hz (-3 dB). Power bandwidth 5-60k Hz (-3 dB), IM distortion 0.08 per cent, hum and noise -110 dB. Two VU meters with variable sensitivity. Outputs and switches for two sets of stereo speakers. Separate left and right channel gain controls, variable output impedance and front-panel headphone jack. 73/4x1 7%x1 6% in. Wt. 52 lbs. 1 10/220 volts ac, 50/60 Hz.
  3. Technics SE-405 - CD-4 4-channel demodulator. Add-on unitto be placed between turntable and amplifier to decode CD-4 (Quadra-disc) type 4-channel material. Frequency response 20-16k Hz. S/N ratio 60 dB. Metal cabinet with simulated wood finish. Size 8x4x 13in.Wt. 6 lbs.
  4. Technics SH-400 - CD-4 4-channel demodulator. Add-on unitto be placed between turntable and amplifier to decode CD-4 material. Frequency response 20-1 6k Hz. S/N ratio 60 dB. Channel separation 30 dB (front to rear), 55 dB (leftto right). Hi-blendfilterand cartridge selector switch. Size 5/2x8/4x1 3 in. Wt. 1 1 lbs. 1 10/220 volts ac, 50/60 Hz.
  5. Technics SH-3433 - 4-channel audio display oscilloscope. Modes for simultaneous display of all four channels, each individual channel and multipath. Front-panel high/ low-input selector. Size 16x5/2x1 31/2 in. Wt. 1 5 lbs. 110/220 volts ac, 50/60 Hz.

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Toshiba

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  • Toshiba SC-410 - 4-channel decoder/ rear-channel amplifier. Power output 1 5 watts rms per channel into 8 ohms with 0.8 per cent harmonic distortion. Frequency response 20-40k Hz, power bandwidth 20-40k Hz. 4-channel simulation circuitry with four modes. High frequency filter. Outputs and switches for two sets of rear-channel speakers. Size 12x15/4x 4/2 in. Wt. 9 lbs. 1 10/220 volts ac, 50/60 Hz.

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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 6x31/2x 4/2 in.

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Unamco

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  1. Unamco M700 - Stereo preamplifier/ mixer. Frequency response 1 5-40k Hz (±0.5 dB), harmonic distortion 0.5 per cent. Hum and noise -75 dB (phono input). Two VU meters, high and low frequency and rumble filters. Two phono, one auxiliary and one microphone inputs. Accepts two simultaneous inputs. Size 12x1 3/2x3'/2 in.
  2. Unamco M6000 Type 2 - 4-channel/ stereo preamplifier/mixer. Frequency response 20-20kHz(±1 dB), harmonicdistortionO.1 per cent. IM distortion 0.2 per cent, hum and noise -75 dB (phono input). Built-in regular matrix and phase matrix circuitry. Accepts two simultaneous inputs. Low frequency filter, separate bass and treble tone controls for microphone input. Size 12x12 in.

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