McIntosh Preamplifiers

McIntosh Preamplifiers
A History

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		For information and prices on the current line of products, contact McIntosh Laboratory, Inc.
T = tube unit		A complete list of tubes is given for tube preamplifiers.
mono/st = see C8S		There may be missing prices or other features. The pictures are thumbnail quality and are meant to show only the general appearance of the units.
		Any additions, corrections or comments are welcome.

AE2 T mono

C4 T mono

C8 T mono

C8P T mono

C8S T mono/st

C11 T stereo

C15 stereo

C20 T stereo

C22 T stereo

C22 T reissue

C24 stereo

C26 stereo

C27 stereo

C28 stereo

C29 stereo

C30 stereo

C31V stereo

C32 stereo

C33 stereo

C34V stereo

C35 stereo

C36 stereo

C37 stereo

C38 stereo

C39 stereo

C40 stereo

C100 stereo

C104 T mono

C108 T mono

C504 stereo

C710 stereo

C712 stereo

D8 power supply

D8A power supply

D101 power supply

AE-2 Remote Control Consolette. Tube. Mono.

ELECTRICAL: FRONT PANEL: Brown hammertone. Turnover: 600 or 300Hz at 6dB/octave. Input selector 1 to 5: for GE cart, Pickering cart, crystal cart, tuner, mic. Volume. bass. Treble. Power switch: on or off. Pilot light.

TUBES: 4-12AX7, 6X4 rectifier.

Size: 2-3/4"H, 10-3/4"W and 10"D. Mahogany finish wood case. Shipping weight 8 lb. Sold from 1950-1952. Last retail price $79.50

C 4 Audio Compensator. Tube. Mono.

ELECTRICAL: Powered by McIntosh tube amplifiers or separate D 8 or D 8A power supply.

FRONT PANEL: Selector: tape, tuner, mic, phono 1, phono 2. Comp: eur 78, col 78, aes, nab, riaa, col LP, lon LP, 629.16, 629.11, 800.16, 800.10. Bass. Treble. Volume with power switch. Power indicator light.

REAR PANEL: Input level controls: tape, tuner, mic, phono 1, phono 2, Phono 2 load control with switch. Main and tape output. Power and output socket. 3 switched AC outlets.

TUBES: 3-12AX7

Sold from 1954-1959. Last retail price $64.50. C 4B (with blond cabinet $74.50). C 4M (with mahogany cabinet $74.50)

C 4P Audio Compensator. Tube. Mono. ELECTRICAL: Powered by McIntosh tube amplifiers or separate D 8 or D 8A power supply.

REAR PANEL: Input level controls: tape, tuner, mic, phono 1, phono 2, Phono 2 load control with switch. Main and tape output. Power and output socket. 3 switched AC outlets.

TUBES: 3-12AX7

Sold from 1954-1959. Last retail price $84.45. C 4PB (with blond cabinet $94.45). C 4PM (with mahogany cabinet $94.45)

C 8 Audio Compensator. Tube. mono..

ELECTRICAL: Powered by McIntosh tube amplifiers or separate D 8 or D 8A power supply. Response 20-20kHz. Distortion 0.3%. Noise and hum -80dB high level, 2uV phono. Output; main 2.5V, 0.5V tape. Input sensitivity and impedance: high level 0.5V at 500k, phono 1 (5mV at 100k), phono 2 (5mV at variable 6.8k to 52k).

FRONT PANEL: Rumble filter: 1 to 5. Aural comp: 1 to 5. Record compensator: turnover (bass) 950, 750, 580, 400, 280, rolloff (treble) 5, 10, 15, 20, 25. Selector: tape, tuner, mic, phono 1, phono 2. Tone: bass and treble, Volume with power switch. Power indicator light.

BACK PANEL: Inputs: tape, tuner, tape head, phono 1, phono 2. Input level controls for each input. Phono load control. Output: main and tape. Power and output socket. AC outlets: 3 switched.

TUBES: 3-12AX7

Size: 4-1/4"H, 11"W and 7-1/2"D. Weight 8 lb. Sold from 1955-1959. Last retail price $88.50. C 8B (C8 with blond cabinet $98.50) C 8M (C8 with mahogany cabinet $98.50)

C 8P Audio Compensator. Tube. Mono.

ELECTRICAL: Powered by McIntosh tube amplifiers or separate D 8 or D 8A power supply. Has internal solid state rectifier for DC filaments. Response 20-20kHz. Distortion 0.3%. Noise and hum -80dB high level, 2uV phono. Output; main 2.5V, 0.5V tape. Input sensitivity and impedance: high level 0.5V at 500k, phono 1 (5mV at 100k), phono 2 (5mV at variable 6.8k to 52k)

BACK PANEL: Inputs: tape, tuner, tape head, phono 1, phono 2. Input level controls for each input. Phono load control. Ceramic or magnetic switch. Output: main and tape. Power and output socket. AC outlets: 3 switched.

TUBES: 3-12AX7

Size: 4-1/4"H, 11"W and 7-1/2"D. Weight 11 lb. Sold from 1955-1959. Last retail price $108.45. C 8PB (with blond cabinet $118.45). C 8PM (with mahogany cabinet $118.45)

C 8S Audio Compensator. Tube. Mono with stereo volume and balance controls.

ELECTRICAL: Powered by McIntosh tube amplifiers or separate D 8 or D 8A power supply. Has internal solid state rectifier for DC filaments. Response 20-20kHz. Distortion 0.3%. Noise and hum -80dB high level, 2uV phono. Output rated 2.5V. Input sensitivity and impedance: high level 0.5V at 500k, phono 1 5mV at 100k, phono 2 variable 6.8k to 52k.

FRONT PANEL: Rumble filter: 1 to 5. Aural comp: 1 to 5. Record compensator: turnover (bass) 950, 750, 580, 400, 280, rolloff (treble) 5, 10, 15, 20, 25. Selector: tape, tuner, tape head, phono 1, phono 2. Tone: concentric bass and treble, Mode:rev, stereo, norm, l, r, mon. Balance. Volume with power switch. Power indicator light.

BACK PANEL: Inputs: tape, tuner, tape head, phono 1, phono 2. Input level controls for each input. Phono load control. Outputs: main and tape. Stereo jacks: left in and left out. Power and output socket. AC outlets: 3 switched.

TUBES: 3-12AX7

Size: 4-1/4"H, 11"W and 7-1/2"D. Weight 11 lb. Sold from 1958-1960. Last retail price $99.45. C8SB (with blond cabinet $109.00). C8SM (with mahogany cabinet $109.00). C8SW (with walnut cabinet $109.00)

C 11 Stereo Preamplifier Tube.

ELECTRICAL: Response 20-20kHz (+0.5 -0.5dB). Distortion 0.2%. Noise and hum -85dB high level, 2uV phono. Output rated 2.5V. 0.25V at tape out. Input sensitivity and impedance: high level 0.25V at 250k, phono 2mV at 47k, tape head 2mV at 1meg, mic 2.5mV at 1meg. Tone controls: bass +20 -20dB, treble +18 -18dB. Rumble filter 50Hz at 18dB/octave. HF filter 5kHz at 18dB/octave. Voltage gain 20dB aux, 60dB phono.

FRONT PANEL: Glass panel at top. Anodized gold at bottom. Illuminated. Input selector: aux, tape, tuner 1, tuner 2, phono 1, phono 2, mic, tape hd. Mode selector: L to L+R, R to L+R, stereo rev, stereo, mono (L+R), L+R to L and L+R to R. Bass controls: left and right. Treble controls: left and right. Volume. Balance. Rocker switches: compensation: RIAA or LP, tape: normal or monitor, phase: normal or reverse, power: on or off, rumble: flat or filter, HF: flat or filter, loudness: normal or compensated. Left and right output level controls behind left and right end caps.

BACK PANEL: Outputs: l+r, main, tape. High level inputs: tape monitor, aux, tape, tuner 1, tuner 2. Low level inputs: phono 1, phono 2, mic, tape head. Tape equalization controls: left and right. Ground binding post. Screw terminals: left speaker in and out for phase switch. Panel light switch: dim or bright. AC outlets: 4 switched, 1 unswitched. Fuse.

TUBES: 6-12AX7. Solid state rectifier.

Size 5-1/8"H, 15-3/4"W and 12"D behind panel. Weight 15 lb. Sold from 1961-1963. Last retail price $209.00

C15 Stereo Preamplifier

ELECTRICAL: Response 20-20kHz (+0 -0.5dB). Distortion 0.002%. Noise and hum -105dB high level, -90dB phono. Output impedance 600 ohms. Input sensitivity and impedance: high level 0.25V (10V max) and 22k, phono 2.5mV (90mV max)at 47k and 65pF, Tone controls: bass and treble boost and cut 12dB. Electromagnetically switched inputs

FRONT PANEL: Glass panel. Illuminated. Controls: bass, treble, balance, volume. Pushbutton switches with indicator lights: CD 1, CD 2, Tuner, video, ph/aux, tape, mono, output 1, output 2, mute, loud standby/on, power. Headphone jack

BACK PANEL: Data ports: video, tuner, CD 2, CD 1, sum, home, tape, aux. Outputs: 1, 2, tape. Processor: from and to. Processor switch in or out. Inputs: tape, video, tuner, CD 2, CD 1, ph1/aux. Switch: cd or aux. Ground terminal. Power control jack. External sensor connector. Line cord socket. . Uses HR033 hand remote control. Size 5-3/8"H, 17-1/2"W and 17-1/2"D behind panel. Shipping weight 14.5 lb. Sold from 1998- Last retail price $1500.00

C 20 Stereo Preamplifier Tube.

ELECTRICAL: Response 20-20kHz (+0.5 -0.5dB). Distortion 0.2%. Noise and hum -85dB high level, 2uV phono. Output rated 2.5V. Input sensitivity and impedance: high level 0.25V at 470k, phono 2mV at 47k. L+R out 2.5V. Tone controls: bass and treble each +18 -18dB. Loudness: flat to max. Voltage gain 20dB aux, 60dB phono.

FRONT PANEL: Glass panel with anodized aluminum trim. Early versions had plastic panel with brass trim. Mode selector: rev, stereo, L, R, M left, M right. Balance. Phase: 0 or 180. HF cutoff filter: flat, 9kc or 5kc. Loudness: flat to max. Volume with power switch. Input selector: aux, tape, tuner 1, tuner 2, phono 1 (stereo or mono), phono 2 (stereo or mono), tape hd 1 tape hd 2. Record compensator: bass switch: 0, 300, 400, RIAA, LP, tape. Treble switch: tape, -5, -10, -12, RIAA, LP. Bass and treble controls. Rumble filter. Tape compare switch. Tape jacks and switch. Headphone.

BACK PANEL: Outputs: l+r, main (2 pair), tape. Low frequency trim controls. High level inputs: tape compare, aux, tape, tuner 1, tuner 2. Low level inputs: phono1 : xtal ceramic, magnetic 2-10mV and 10-70mV, phono 2: xtal ceramic, magnetic 2-10mV and 10-70mV, tape head 1: 2-10mV and 10-70mV, tape head 2: 2-10mV and 10-70mV. Ground binding post. AC outlets: 4 switched, 1 unswitched. Fuse.

TUBES: 2-12AU7, 5-12AX7, 6X4.

Size 4-7/8"H, 15-5/8"W and 12"D behind panel. Weight 18 lb. Sold from 1959-1963. Last retail price $269.00

C 22 Stereo Preamplifier Tube.

ELECTRICAL: Response 20-20kHz (+0.5 -0.5dB). Distortion 0.02%. Noise and hum -85dB high level. Output rated 2.5v, 10v max. Input sensitivity and impedance: aux 0.25V at 250k, phono 2mV at 47k. Center channel out (L+R) 1.0v with control. Individual tone controls: bass and treble +20dB to -20dB. Rumble filter 50Hz at 12dB/octave. HF filter 5kHz at 12dB/octave. Low frequency trim controls 6dB of boost below 100Hz. Voltage gain 20dB aux, 62dB phono.

FRONT PANEL: Glass panel at top. Anodized gold at bottom. Input selector with indicator lights: aux, tape, tuner 2, tuner 1, phono 1, phono 2, mic and tape hd. Mode selector with indicator lights: L to L+R, R to L+R, stereo rev, stereo, mono (L+R), L+R to L and L+R to R. Volume. Bass controls: left and right, Treble controls: left and right. Tape jacks: left and right. Tape jacks switch: record and playback. Rocker switches: comp: RIAA or LP, tape: normal or monitor, power: on or off, rumble: flat or filter, hf: flat or filter, loudness: normal or compensated.

TOP PANEL: L+R level. Left level. Right level. Low frequency trim: L and R. Tape equalization: L and R with NAB mark. Phase switch: left channel speaker reverse(180) or normal (0). Pilot lamp intensity: dim or bright.

BACK PANEL: Outputs: L+R, main, tape. High level inputs: tape monitor, aux, tape, tuner 1, tuner 2. Low level inputs: phono 1 phono 2, mic and tape hd. Ground binding post. AC outlets: 4 switched, 1 unswitched. Fuse, Panloc mounting.

TUBES: 6-12AX7. Solid state rectifier bridge.

Size 5-7/16"H, 16"W and 13"D behind panel. Weight 16 lb. Sold from 1963-1968. Last retail price $279.00

C-22 Stereo Preamplifier Tube. Commemorative edition.

ELECTRICAL: Response 20-20kHz (+0 -0.5dB). Distortion 0.02% IHF. Noise and hum: -90dBa high level, -80dBa re 10mV phono. Output rated 2.5v, 8V max. Input sensitivity and impedance: high level 0.25V at 22k, phono 2.2mV at 47k and 65pF. Individual tone controls: bass and treble +20dB to -20dB. Rumble filter 50Hz at 12dB/octave. HF filter 5kHz at 12dB/octave. Voltage gain 20dB aux, 61dB phono.

FRONT PANEL: Glass panel at top. Anodized gold at bottom. Balance, Input selector with indicator lights: tape 2, tape 1, CD, tuner 1, phono 1, phono 2, aux 1, aux 2. Mode selector with indicator lights: L to L+R, R to L+R, stereo rev, stereo, mono (L+R), L+R to L and L+R to R. Volume. Bass controls: left and right, Treble controls: left and right. Speakers switch: off, 1, 2, 1&2. Aux 2 input jack. Headphone jack. Rocker switches: tape 1 and tape 2: normal and monitor, power: on or off, rumble: flat or filter, hf: flat or filter, loudness: normal or compensated.

BACK PANEL:Outputs: switched: 1 and 2, main, tape 2, tape 1, Balanced output. High level inputs: aux 1, tape 2, tape 1, CD, tuner. Low level inputs: phono 1 and phono 2. Ground binding post. SCR socket. AC outlets: 4 switched, 1 unswitched.

TUBES: 3-12AT7, 4-12AX7. Solid state rectifier.

Size 5-7/16"H, 16"W and 14"D behind panel. Weight 16 lb. Sold from 1995-. Last retail price $2500.00

C 24 Stereo Preamplifier

ELECTRICAL: Response 20-20kHz (+0 -0.5dB). Distortion 0.1%. Noise and hum -75dB aux, -60dB phono. Output rated 2.5v, 10v max. Input sensitivity and impedance: aux 0.20V at 250k, phono 2mV at 47k. L+R out 2.5v with control (+6 -6 dB re main output). Tone controls dual concentric: bass and treble each +18 -18dB. Loudness: flat to max. LF filter 50Hz at 12dB/octave. HF filter 5kHz at 12dB/octave. Phase switch with left channel speaker line.

FRONT PANEL: Glass panel at top. Anodized gold at bottom. Input selector: aux, tape, tuner, phono 1, phono 2 and tape hd. Mode selector: L to L+R, R to L+R, stereo rev, stereo, mono (L+R), L+R to L and L+R to R. Volume. Bass and treble each dual concentric. Loudness: flat to max, Balance, Switches: comp: RIAA or LP, tape: normal or monitor, lf and hf: flat or filter, phase: 0 or 180, speaker: on or off, power: on or off. Red power lamp. Headphone.

BACK PANEL: Speaker barrier strips for amplifier output and to speaker. Inputs: aux, tape, tuner, ph 1, ph 2, tape hd and tape mon. Outputs: l+r, main (2 pair), tape. Ground binding post. L+R gain control. AC outlets: 4 switched, 1 unswitched. Panloc mounting.

Size 5-7/16"H, 16"W and 11"D behind panel. Weight 17 lb. Sold from 1964-1968. Last retail price $249.00

C 26 Stereo Preamplifier

ELECTRICAL: Response 20-20kHz (+0 -0.5dB). Distortion 0.1%. Noise and hum -85dB aux, -74dB phono. Output rated 2.5v, 10v max. Output impedance 200 ohms. Load impedance 47k. Input sensitivity and impedance: aux 0.25V at 250k, phono 2mV at 47k. Center channel out (L+R) 2.5v with control (+6 -6 dB re main output). Tone controls: bass +16dB to -20dB, treble +20 to-20dB. Loudness continuously variable. LF filter 50Hz at 6dB/octave. HF filter 5kHz at 6dB/octave. Voltage gain 20dB aux, 62dB phono. Switch for pwr amp output to main and/or remote speakers.

FRONT PANEL: Glass panel. Illuminated. Input selector: aux, tape 2, tape 1, tuner, phono 1, and phono 2. Mode selector: L to L+R, R to L+R, stereo rev, stereo, mono (L+R), L+R to L and L+R to R. Volume with power switch. Loudness, Balance, Tone controls: 11 position switched dual concentric bass and treble. Pushbutton switches: tape 1, tape 2, LF, HF, Main and Remote speaker ( on or off).

TOP PANEL: Center channel level, Phase switch: left channel 0 (normal) or 180.

BACK PANEL: Speaker push terminals for amplifier output, main speakers and remote speakers. Inputs: aux, tape 2, tape 1, tuner, ph 1 and ph 2. Outputs: center, main (2 pair), tape 2 and tape 1. Ground binding post. AC outlets: 4 switched, 1 unswitched. Fuse, Panloc mounting.

Size 5-7/16"H, 16"W and 13"D behind panel. Weight 18 lb. Sold from 1968-1978. Last retail price $449.00

C 27 Stereo Preamplifier

ELECTRICAL: Response 20-20kHz (+0 -0.5dB). Distortion 0.05%. Noise and hum -85dB aux, -80dB phono. Output rated 2.5V, 10V max. Output impedance less than 1k ohms. Load impedance 22k. Input sensitivity and impedance: aux 0.25V at 100k, phono 2mV at 47k and 100pF. Center channel out (L+R). Tone controls: bass +16dB to -17dB, treble +20 to-20dB. Loudness continuously variable. LF filter 50Hz at 6dB/octave. HF filter 5kHz at 6dB/octave. Voltage gain 20dB aux, 62dB phono. Switch for pwr amp output to main and/or remote speakers.

FRONT PANEL: Glass panel. Illuminated. Input selector: aux 1, aux 2, tuner, phono 1, and phono 2. Mode selector L to L+R, R to L+R, stereo rev, stereo, mono (L+R), L+R to L and L+R to R. Volume. Filters: out, LF, HF and LF-HF, Speakers: off, 1, 1&2 and 2. Tone controls: 11 position switched dual concentric bass and treble. Loudness, Balance, Pushbutton switches: Tape monitor: tape 1 and tape 2, Tape copy 1 to 2 or 2 to 1, Power: on or off. Headphone jack.

BACK PANEL: Speaker push terminals: from amplifier, speaker 1, speaker 2. Inputs: aux 1, aux 2, tuner, ph 1 and ph 2, tape 1 and tape 2. Outputs: center, main (2 pair), tape 1 and tape 2. Ground binding post. AC outlets: 4 switched, 1 unswitched. Fuse, Panloc mounting.

Size 5-7/16"H, 16"W and 13"D behind panel. Weight 20 lb. Sold from 1977-1983. Last retail price $749.00

C 28 Stereo Preamplifier

ELECTRICAL: Response 20-20kHz (+0 -0.5dB). Distortion 0.1%. Noise and hum -90dB aux, -78dB phono. Output rated 2.5V. Output impedance 100 ohms. Load impedance 47k. Input sensitivity & impedance: aux 0.25V at 250k, 2mV at 47k, mic 2.5mV at 500k. Tone controls: bass +20dB to -20dB, treble +18 to-18dB. Center channel output 1.25V. Headphone amplifier 0.75V at 8 ohms. LF filter 50Hz at 12dB/octave. HF filter 7kHz at 12dB/octave. Bass trim controls boost up to 6dB below 100Hz. Voltage gain 20dB aux, 62dB phono.

FRONT PANEL: Glass panel. Illuminated. Balance, Comp: pres, flat loud. Input selector with indicator lights: aux, tuner, phono 1, and phono 2, mic, tape hd. Mode selector with indicator lights: L to L+R, R to L+R, stereo rev, stereo, mono (L+R), L+R to L and L+R to R. Volume with power switch. Separate treble and bass controls each channel. Pushbutton switches with indicator lights: tape 1 and tape 2, tape copy: 1 to 2 or 2 to 1, Filters: LF, HF. Speaker off: main, remote. Headphone jack, Tape input jack, Tape output jack.

TOP PANEL: Bass trim, Headphone level, output level, phono 1 and phono 2 level controls, center channel level, power amp switch: on or off.

BACK PANEL: Speaker remote control socket. Inputs: aux, tuner, tape 1, tape 2, tape head, mic, phono 1 and phono 2. Outputs: center, main (2 pair), tape 1 and tape 2, line. Ground binding post. AC outlets: 4 switched at front panel, 2 switched at top panel, 1 unswitched. Fuse, Panloc mounting.

Size 5-7/16"H, 16"W and 13"D behind panel. Weight 25 lb. Sold from 1970-1978. Last retail price $649.00

C 29 Stereo Preamplifier

ELECTRICAL: Response 20-20kHz (+0 -0.5dB). Distortion 0.02%. Noise and hum -90dB aux, -80dB phono. Output rated 2.5v. Output impedance 100 ohms. Load impedance 10k. Input sensitivity and impedance: aux 0.25V at 100k, phono 2mV at 47k and 65pF, mic 2.5mV at 10k. Tone controls: bass +20dB to -20dB, treble +18 to-18dB. Headphone amplifier 0.75V at 8 ohms. LF filter 50Hz at 12dB/octave. HF filter 7kHz at 12dB/octave. Voltage gain 20dB aux, 62dB phono.

FRONT PANEL: Glass panel. Illuminated. Balance, Loud, Input selector with indicator lights: aux 1, aux 2, tuner, phono 1, and phono 2, mic. Mode selector with indicator lights: L to L+R, R to L+R, stereo rev, stereo, mono (L+R), L+R to L and L+R to R. Volume, Tone controls: 11 position switched dual concentric bass and treble. Pushbutton switches with indicator lights: tape 1 and tape 2, tape copy: 1 to 2 or 2 to 1, LF-HF filters: on or off. Speakers 1 and 2: on or off. Power: on or off. Headphone jacks, Tape 2 input and output jacks.

TOP PANEL: Headphone level, main output level.

BACK PANEL: Speaker control relay socket. Inputs: aux 1, aux 2, tuner, ph 1, ph 2, mic, tape 1, tape 2. Outputs: main (2 pair), line, tape 1 and tape 2, line. Ground binding post. AC outlets: 4 switched, 2 switched (turntable auto-on). Auto-manual switch. Fuses: turntable and main. Panloc mounting.

Size 5-7/16"H, 16"W and 13"D behind panel. Weight 21 lb. Sold from 1978-1985 Last retail price $1399.00

C 30 Stereo Preamplifier

ELECTRICAL: Response 20-20kHz (+0 -0.5dB). Distortion 0.007%. Noise and hum -100dB aux, -90dB phono. Output rated 2.5V. Maximum output 10V. Input sensitivity and impedance: high level 0.20V (10V max) at 22k, phono 2mV (100mV max) at 47k and 65pF. Program equalizer: 30, 150, 500, 1500 and 10,000Hz boost or cut 12dB. LF filter 50Hz at 12dB/octave. HF filter 7kHz at 12dB/octave. Voltage gain 22dB high level, 62dB phono.

FRONT PANEL: Glass panel. Illuminated. Input selector: aux, vcr, tv, laser, cd, tuner, ph. Equalizer frequency: 30, 150, 500, 1500 and 10k, headphone volume, volume, Mode selector: L to L+R, R to L+R, stereo rev, stereo, mono (L+R), L+R to L and L+R to R. Pushbutton switches with indicator lights: tape monitor: tape 1 or tape 2, tape copy: 1 to 2 or 2 to 1, lf-hf filter: in or out, speaker/output 1 or 2: in or out, power: on or off. Headphone jacks, Tape 2 input and output jacks. Balance, Loudness: flat to max.

BACK PANEL: Outputs: 1, 2, main, line, tape 1, tape 2, Speaker control relay socket. Inputs: tape 1, tape 2, aux, vcr, tv, laser, cd, tuner, ph. Ground binding post. External processors: main: to and from, tape: to and from. AC outlets: 6 switched, 1 unswitched, 1 switched (turntable auto-on). Auto-manual switch. Auto-on sensitivity: min to max. Fuse. Panloc mounting.

Size 5-7/16"H, 16"W and 13"D behind panel. Weight 18 lb. Sold from 1985-1987. Last retail price $1649.00

C31V Audio/Video Control Center

ELECTRICAL: Response 20-20kHz (+0 -0.5dB). Distortion 0.007%. Noise and hum -98dB aux, -90dB phono. Output rated 1.5V. Maximum output 8V. Input sensitivity and impedance: high level 0.20V (10V max) at 22k, phono 2mV (100mV max) at 47k and 65pF. Program equalizer: 30, 150, 500, 1500 and 10,000Hz boost or cut 12dB. Voltage gain 17.5dB high level, 62dB phono.

FRONT PANEL: Glass panel at top. Black anodized at bottom. Illuminated. Pushbutton switches with indicator lights: cd, laser, tv, tuner, phono, aux 1, aux 2, mute, monitor: vcr/t 1 and vcr/t 2, vcr/t copy: 1 to 2 or 2 to 1, mono, speaker: 1 and 2, power: on or off, volume: up or down. Equalizer frequency: 30, 150, 500, 1500 and 10k, volume, Headphone, Balance, Loudness: flat to max.

BACK PANEL: Audio outputs: switched: 1 and 2, main, vcr 1/tape 1, vcr 2/tape 2, Audio inputs: vcr 1/tape 1, vcr 2/tape 2, aux 2, aux 1, tuner, tv, laser, cd, ph. Ground binding post. External processors: main: to and from, tape: to and from. Control connectors: scr, tuner, video selector, area controller, sensors: 1 and 2. cd. AC outlets: 7 switched, 1 unswitched. Panloc mounting. Has HR 31V hand remote control.

Size 5-7/16"H, 16-1/8"W and 13"D behind panel. Weight 16.5 lb. Sold from 1987-1989. Last retail price $1895.00

C 32 Stereo Preamplifier

ELECTRICAL: Response 20-20kHz (+0 -0.5dB). Distortion 0.05%. Noise and hum -90dB aux, -80dB phono. Output rated 2.5v. Output impedance 220 ohms. Load impedance 5k. Input sensitivity and impedance: aux 0.25V at 50k, phono 2mV at 47k and 65pF. Program equalizer: 30, 150, 500, 1500 and 10,000Hz boost or cut 12dB. Headphone amplifier 12W/ch into 8 ohms at 0.1% distortion. LF filter 50Hz at 12dB/octave. HF filter 7kHz at 12dB/octave. Voltage gain 20dB aux, 62dB phono.

FRONT PANEL: Glass panel. Illuminated. Listen selector: aux, tuner, tape 1, tape 2, tape 3, phono. Mode selector: L to L+R, R to L+R, stereo rev, stereo, mono (L+R), L+R to L and L+R to R. Program equalizer: 30, 150, 500, 1500 and 10k, Volume, Record selector: aux, tuner, tape 1, tape 2, tape 3, phono. Pushbutton switches with indicator lights: phono 1 or 2, record monitor, EQ out, LF and HF filter: in or out, speaker/output 1 and 2: in or out. Power: on or off. Headphone jacks, Tape 3 input and output jacks. Expander control: 1.0 to 2.0 with on-off switch, Balance, Loudness.

TOP PANEL: Monitor amplifier controls: left and right gain, input switch: record or listen. Expander controls: level match, speed: fast, norm and slow.

BACK PANEL: Outputs: 1, 2, main, line, tape 3, tape 2, tape 1, Monitor amplifier speaker push terminals. Speaker control relay socket. Inputs: tape 3, tape 2, tape 1, tuner, aux, phono 2, phono 1. Ground binding post. AC outlets: 4 switched, 2 switched (turntable auto-on). Auto-manual switch. Fuses: turntable and main. Panloc mounting.

Size 5-7/16"H, 16"W and 13"D behind panel. Weight 27 lb. Sold from 1977-1981. Last retail price $1649.00

C 33 Stereo Preamplifier

ELECTRICAL: Response 20-20kHz (+0 -0.5dB). Distortion 0.01%. Noise and hum -100dB aux, -90dB phono. Output rated 2.5V. Maximum output 10V. Input sensitivity and impedance: aux 0.25V (10V max) at 50k, phono 2mV (100mV max) at 47k and 65pF. Program equalizer: 30, 150, 500, 1500 and 10,000Hz boost or cut 12dB. LF filter 50Hz at 12dB/octave. HF filter 7kHz at 12dB/octave. Voltage gain 20dB aux, 62dB phono. Compandor ratios from 1:2 compress to 2:1 expand. Monitor Amplifier: 20W/ch into 8 ohms at 0.01% distortion, response 20-20kHz (+0 -0.2dB), sensitivity 0.75V, input impedance 27k, signal to noise A weighted 100dB.

FRONT PANEL: Glass panel. Illuminated. Listen selector: aux, tape 3, tape 2, tape 1, tuner, ph 1, ph 2. Mode selector: L to L+R, R to L+R, stereo rev, stereo, mono (L+R), L+R to L and L+R to R. Equalizer frequency: 30, 150, 500, 1500 and 10k, volume, Record selector: aux, tape 3, tape 2, tape 1, tuner, ph 1, ph 2. Pushbutton switches with indicator lights: compandor: listen or record, rec equal: in or out, rec monitor: in or out, LF and HF filter: in or out, speaker/output 1 and 2: in or out. power: on or off. Headphone jacks, Tape 3 input and output jacks. Compandor switch: expand, out or compress. Ratio 1 to 2, Balance, Loudness.

TOP PANEL: Monitor amplifier controls: left and right gain, input switch: external, listen or record. Compandor controls: level match, speed: fast, norm and slow. Auto-on sensitivity: min to max.

BACK PANEL: Outputs: 2, 1, main, tape 3, tape 2, tape 1, Monitor Amplifier: speaker push terminals, ext input, output. Speaker control relay socket. Inputs: tape 3, tape 2, tape 1, tuner, aux, phono 2, phono 1. Ground binding post. External processors: listen: to and from, record: to and from. AC outlets: 4 switched, 2 switched (turntable auto-on). Auto-manual switch. Fuse. Panloc mounting.

Size 5-7/16"H, 16"W and 13"D behind panel. Weight 26 lb. Sold from 1981-1985. Last retail price $2450.00

C34V & C34V(W) Audio/Video Control Center

ELECTRICAL: Response 20-20kHz (+0 -0.5dB). Distortion 0.01%. Noise and hum -100dB aux, -90dB phono. Output rated 2.5V. Maximum output 10V. Input sensitivity and impedance: high level 0.25V (10V max) at 50k, phono 2mV (100mV max) at 47k and 65pF. Program equalizer: 30, 150, 500, 1500 and 10,000Hz boost or cut 12dB. LF filter 50Hz at 12dB/octave. HF filter 7kHz at 12dB/octave. Voltage gain 20dB aux, 62dB phono. Compandor ratios from 1:2 compress to 2:1 expand. Monitor Amplifier: 20W/ch into 8 ohms at 0.01% distortion, response 20-20kHz (+0 -0.2dB), sensitivity 0.75V, input impedance 27k, Power Guard, signal to noise A weighted 100dB.

FRONT PANEL: Glass panel. Illuminated. Listen selector: laser/t3, vcr/t2, vcr/t1, tv, cd, tuner, phono. Mode selector: L to L+R, R to L+R, stereo rev, stereo, mono (L+R), L+R to L and L+R to R. Equalizer frequency: 30, 150, 500, 1500 and 10k, volume, Record selector: laser/t3, vcr/t2, vcr/t1, tv, cd, tuner, phono. Pushbutton switches with indicator lights: compandor: listen or record, rec equal: in or out, rec monitor: in or out, LF and HF filter: in or out, speaker/output 1 and 2: in or out. power: on or off. Headphone jacks, Tape 3 input and output jacks. Compandor switch: expand, off or compress. Ratio 1 to 2, Balance, Loudness: flat to max.

TOP PANEL: Monitor amplifier controls: left and right gain, input switch: external, listen or record. Compandor controls: level match, speed: fast, norm and slow.

BACK PANEL: Outputs: switched: 1 and 2, main, tape 3, vcr 2/tape 2, vcr 1/tape 1, Monitor Amplifier: speaker push terminals, ext input, output. Speaker control relay socket. Inputs: laser/tape 3, vcr 2/tape 2, vcr 1/tape 1, tv, cd, tuner, phono. Ground binding post. External processors: listen: to and from, record: to and from. Video control connector. AC outlets: 3 switched, 2 unswitched, 1 switched (turntable auto-on). Fuse. Panloc mounting.

Size 5-7/16"H, Front panel width was 16-1/8" in early units and 17-1/2" in later units. 13"D behind panel. Weight 26 lb. Sold from 1985-1992. Last retail price $2499.00

C35 System Control Center.

BACK PANEL: Audio outputs: switched: 1 and 2, main, vcr 1/tape 1, vcr 2/tape 2, Audio inputs: vcr 1/tape 1, vcr 2/tape 2, aux 2, aux 1, tuner, tv, laser, cd, ph. Ground binding post. External processors: main: to and from, tape: to and from. Control connectors: scr, tuner, video selector, area controller, sensors: 1 and 2. cd. Balanced outputs. AC outlets: 4 switched, 1 unswitched. Panloc mounting.

Size 5-7/16"H, 16-1/8"W and 13"D behind panel. Has HR 35 hand remote control. Weight 18 lb. Sold from 1989-1992. Last retail price $1995.00

C36 Audio control center.

ELECTRICAL: Response 20-20kHz (+0 -0.5dB). Distortion 0.002%. Noise and hum -105dB high level, -90dB phono. Output rated 2.5V. Maximum output 8V. Input sensitivity and impedance: high level 0.25V (10V max) at 22k, phono 2.5mV (90mV max) at 47k and 65pF. Tone controls: bass and treble boost or cut 12dB. Voltage gain 20dB aux, 60dB phono.

FRONT PANEL: Glass panel with aluminum extrusion at the bottom. Illuminated. Tone controls: bass and treble, Record selector: ph/aux, cd 1, cd 2, tuner, tape 1, tape 2, tape 3, video. Listen selector: ph/aux, cd 1, cd 2, tuner, tape 1, tape 2, tape 3, video. Volume, Balance, Loudness: flat to max. Pushbutton switches with indicator lights: mute, mono, power, speakers 1 and 2. Headphone jack.

BACK PANEL: Listen outputs: switched: 1 and 2, main, processor: from and to. Record outputs: tape 3, tape 2, tape 1, processor: from and to. Audio inputs: video, tape 3, tape 2, tape 1, tuner, cd 2, cd 1, aux, ph. Speaker control relay socket. Ground binding post. AC outlets: 8 switched, 1 unswitched, Panloc mounting.

Size 5-7/16"H, 17-1/2"W 15-1/2"D behind panel. Weight 14.5 lb. This preamp is the same as the C 38 but without the remote control. Later versions had a front panel appearance the same as the C38. Sold from 1992-1995. Last retail price $1700.00

C37 & C37(W) System Control Center.

ELECTRICAL: Response 20-20kHz (+0 -0.5dB). Distortion 0.002%. Noise and hum -105dB aux, -90dB phono. Output rated 2.5V. Maximum output 10V. Input sensitivity and impedance: high level 0.25V (10V max) at 22k, phono 2.5mV (90mV max) at 47k and 65pF. Program equalizer: 30, 150, 500, 1500 and 10,000Hz boost or cut 12dB. Voltage gain 20dB high level, 60dB phono.

FRONT PANEL: Glass panel at top. Black anodized at bottom. Illuminated. Pushbutton switches with indicator lights: cd, laser, tv, tuner, phono, aux 1, aux 2, mute, monitor: vcr/t 1 and vcr/t 2, vcr/t copy: 1 to 2 or 2 to 1, mono, speakers: 1 and 2, power: on or off. Equalizer frequency: 30, 150, 500, 1500 and 10k, Headphone, Balance, Loudness: flat to max, Volume.

BACK PANEL: Audio outputs: switched: 1 and 2, main, vcr 1/tape 1, vcr 2/tape 2, Audio inputs: vcr 1/tape 1, vcr 2/tape 2, aux 2, aux 1, tuner, tv, laser, cd, ph. Ground binding post. External processors: main: to and from, tape: to and from. Control connectors: scr, video control, tuner control, area sensors: 1 and 2. Cd control, to CR8, data out, CR8 preamp input switch: vcr 1/tape 1, C37 or aux 1. Balanced outputs. AC outlets: 3 switched, 1 unswitched, 1 power amp control. Panloc mounting.

Size 5-7/16"H, Front panel width was 16-1/8" in early units and 17-1/2" in later units. 13"D behind panel. Has HR 37 hand remote control. Weight 18 lb. Sold from 1991-1992. Last retail price $2399.00

C38 System Control Center.

FRONT PANEL: All glass panel. Illuminated. Tone controls: bass and treble, Record selector: ph/aux, cd 1, cd 2, tuner, tape 1, tape 2, tape 3, video. Listen selector: ph/aux, cd 1, cd 2, tuner, tape 1, tape 2, tape 3, video. Volume, Balance, Loudness: flat to max. Pushbutton switches with indicator lights: rec lock, mono, mute, speakers 1 and 2, power. Headphone jack.

BACK PANEL: Listen outputs: switched: 1 and 2, main, processor: from and to. Record outputs: tape 3, tape 2, tape 1, processor: from and to. Area B output. Audio inputs: video, tape 3, tape 2, tape 1, tuner, cd 2, cd 1, aux, ph. Ground binding post. Balanced outputs. Control connectors: scr, tuner control, cd 2 control, cd 1 control, external sensors: area A and area B, multiroom controler. Data ports: video, tape 3, tape 2, tape 1, tuner, cd 2, cd 1, aux, home. AC power control jack. AC outlets: 1 switched, 1 unswitched, area B pw amp, area A pw amp.

Size 5-3/8"H, 17-1/2"W 17"D behind panel. Weight 20 lb. This preamp is the same as the C 36 but with remote control. Sold from 1992-1998. Last retail price $2500.00

C39 Audio/Video Control Center.

ELECTRICAL: Response: stereo, mono and hall mode left, center and right front channels 20-20kHz (+0 -0.5dB), hall mode left and right surround: 100-7kHz (+0 -3dB), dolby pro-logic mode: left center and right front channels 30-16kHz, left and right surround channels 100-6.3kHz (+1 -1dB), dolby pro-logic and THX modes combined: left, center and right front channels 30-1kHz (+1 -1dB), left and right surround channels 100-6.3kHz (+1 -1dB). subwoofer 10-80Hz with 24dB rolloff. With rear panel high pass switch on, left, center and right front channels include high pass filter at 12dB rolloff. Distortion: left, center & right 0.005%, hall mode left and right surround channels 0.01%, dolby pro-logic and THX modes: left, center and right front channels 0.01%, left and right surround channels 0.1%. Noise and hum -100dB aux, -90dB phono, dolby pro-logic and THX modes -70dB. Output rated 2.5V. Maximum output 6V. Output impedance 600 ohms. Input sensitivity and impedance: high level 0.5V (5V max, 2.1V max hall, dolby pro-logic and THX) at 22k, phono 5.0mV (60mV max) at 47k and 65pF. Tone controls: boost or cut 12dB. Voltage gain 14dB high level, 54dB phono.

FRONT PANEL: Glass panel. Illuminated. Bass. Treble. Record switch: CD 1, CD 2, tuner, tape 1, tape 2, ph/aux, sat, tv, lv, vcr 1, vcr 2, v aux. Mode switch: mono, stereo, hall, cinema 1, cinema 2. Listen switch: CD 1, CD 2, tuner, tape 1, tape 2, ph/aux, sat, tv, lv, vcr 1, vcr 2, v aux. Volume. Delay switch (ms): 12, 16, 20, 24, 28. Balance, Loudness: flat to max. Pushbutton switches with indicator lights: sys cal, surr level: up or down, surr proc, access, rec lock, mute, power. Headphone, camcorder jacks: s-video, video, l and r. Indicator lights for dolby pro-logic and home THX audio. Digital volume readout.

BACK PANEL: Audio outputs: area A: sur, center, subwoof, center, front. vcr 2, vcr 1, tape 2, tape 1, area B. Record processor: from and to. Balanced outputs. Audio inputs: v-aux, vcr 2, vcr 1, lv, tv, sat, tape 2, tape 1, tuner, CD2, CD1, aux, ph. Ground binding post. Video outputs (s or standard): mon B, mon A, vcr 2, vcr 1. Video inputs (s or standard): v-aux, vcr 2, vcr 1, lv, tv, sat. Data ports: v-aux, vcr 2, vcr 1, lv, tv, sat, tape 2, tape 1, tuner, CD 2, CD 1, aux, home, sum. Control connectors: to multi-room controller, tuner control, CD control, CD1 control. External sensors: area A and area B. 6 channel output. Surround calibrate switch: auto or man. Center speaker switch: none, small and large THX. Center fill switch: off or on. Subwoof switch: off or on. High pass filter switch: off or on. Power control jack. Ant/cable coax input. TV coax output. TV audio volume control, TV input switch: B or A. Channel switch: 3 or 4. AC outlets: 1 switched, 1 area B pwr amp, 1 area A pwr amp.

Size 7-1/8"H, 17-1/2"W and 17-1/2"D behind panel. Has hand remote C39. Weight 30 lb. sold from 1993-1998. Last retail price $4000.00

C40 Audio Control Center.

ELECTRICAL: Response 20-20kHz (+0 -0.5dB). Distortion 0.002%. Noise and hum -105dB aux, -90dB phono. Output rated 2.5V. Maximum output 8V. Input sensitivity and impedance: high level 0.25V (10V max) at 22k, phono 2.5mV (90mV max) at 47k and 65pF. Program equalizer: 30, 150, 500, 1500 and 10,000Hz boost or cut 12dB. Voltage gain 20dB high level, 60dB phono. Monitor Amplifier: 20W/ch into 8 ohms at 0.005% distortion, response 20-20kHz (+0 -0.5dB), sensitivity 0.75V, input impedance 27k, signal to noise A weighted 100dB.

FRONT PANEL: Glass panel. Illuminated. Mode switch: L to L+R, R to L+R, stereo rev, stereo, mono (L+R), L+R to L and L+R to R. Record switch: line, ph/aux, CD 1, CD 2, tuner, tape 1, tape 2, tape 3. Listen switch: line, ph/aux, CD 1, CD 2, tuner, tape 1, tape 2, tape 3. Volume, Compandor: exp, off, or compress. Ratio: 1 to 2. Equalizer frequency: 30, 150, 500, 1500 and 10k. Pushbutton switches with indicator lights: rec comp, rec cd, rec mon, processor, mute, speakers: 1 and 2, power: on or off. Headphone, Balance, Loudness: flat to max.

BACK PANEL: Listen outputs: switched: 1 and 2, main, processor: from and to. Record outputs: tape 3, tape 2, tape 1, processor: from and to. Balanced outputs. Audio inputs: tape 3, tape 2, tape 1, tuner, CD 2, CD 1, aux, ph. Ground binding post. Line inputs. Monitor amlifier: speaker screw terminals, gain controls, external input, switch: rec, listen or ext input. Compandor: speed switch: fast, normal or slow, level match. Power control jack. SCR connector. AC outlets: 4 switched, 1 unswitched.

Size 5-3/8"H, 17-1/2"W and 17"D behind panel. Weight 26-1/2 lb. Sold from 1992-1998. Last retail price $3500.00

C100 Preamplifier/controller. Dual-chassis consists of C100P and C100C.
C100P Preamplifier:

ELECTRICAL: Response 10-40kHz (+0 -0.5dB). Distortion 0.002%. Noise and hum -100dB high level, -86dB phono. Maximum output 8V unbalanced, 25V balanced. Output impedance 50 ohms. Input sensitivity and impedance: high level 0.45V (5V max) at 22k unbalanced and 44k balanced, phono MM 4.4mV (50mV max) at 47k and 65pF, phono MC 100uv at 10 ohms.

FRONT PANEL: Glass panel. Illuminated. Balance, Record switch: tape 1, line 2, line 1, CD, ph/aux 1, ph/aux 2, tuner, tape 2. Digital volume display. Listen switch: tape 1, line 2, line 1, CD, ph/aux 1, ph/aux 2, tuner, tape 2. Volume. Pushbutton switches with indicator lights: rec processor, lis processor, rec monitor, mono, input trim, power, display, mute, spkr/amp 1, spkr/amp 2, standby/on. IR sensor.

BACK PANEL: Outputs: main, amplifier 1, amplifier 2, tape 1 (all balanced). Listen outputs: 1 and 2, main, processor: from and to. Record outputs: tape 2, tape 1, processor: from and to. Inputs: tape 1, line 2, line 1 (all balanced). tape 2, tuner, CD 2, CD, aux 2, ph 2 MM. Three position switch for aux 1, ph 1 MC or ph 1 MM. Ground binding post. 25 pin socket for connecting C100C controller.

Size 5-3/8"H, 17-1/2"W and 17-1/2"D behind panel.

C100C Power supply.

FRONT PANEL: Glass panel. Illuminated. Power on light. Headphone jack.

BACK PANEL: 25 pin socket for connecting C100P preamplifier. Amplifier power control: main, 1 and 2. Data ports: tp2, tuner, ph/aux 1, ph/aux 2, cd, line 3, line 2, line 1, sum. Ext sensor. AC outlets: 4 switched, 1 unswitched, power cord socket, Fuse.

Size 5-3/8"H, 17-1/2"W and 17-1/2"D behind panel. Has HR100 remote control.Total shipping weight 70 lb. Sold from 1997-. Last retail price for both preamp and power controller $6500.00

C 104 Amplifier Equalizer Tube. Mono.

ELECTRICAL: Response 20-20kc. Output: 4.0V max at less than 0.3% distortion. Bass control: +20dB to -20dB. Treble control: +15dB to -20dB. Maximum input voltage: crystal 20V, Tuner 20V, low level mic 0.3V, high level magnetic cart 0.3V, low level magnetic cart 0.6V.

FRONT PANEL: Selector switch : 1, 2, 3, 4, 5. Turn-over switch HI, M, LO, Tone controls: bass and treble boost or cut. Volume control with power switch. Power indicator light. Bass control has AES and NAB positions marked on panel.

BACK PANEL: Inputs: 1-crystal pickup, 2-FM-AM tuner, 3-low level mic, 4-high level magnetic cart, 5-low level magnetic cart. Input level controls: crystal pickup and FM-AM tuner. Power is obtained from the main amplifier. Power/Audio cable included. AC outlet switched. Back panel says "For use with 50W-2, 20W-2 or D101 Power Supply only".

TUBES: 3-12AX7.

Size 4-1/8"H, 11"W and 7-3/4"D. Model C104A is in a mahogany finish cabinet. Sold from 1950-1954. Last retail price $59.50

C 108 Audio Compensator. Tube. Mono.

ELECTRICAL: Powered by McIntosh tube amplifiers. Response 20-20k (+0.25 -0.25dB). Distortion 0.3%. Output: main 2.5V, tape 1.0V. Bass control +17 -18dB @ 40Hz. Treble control +13.5 -14dB @ 10k.

FRONT PANEL: Rumble filter: 1 to 5. Aural comp: 1 to 5. Record compensator: turnover (bass) 950, 750, 580, 400, 280, rolloff (treble) 5, 10, 15, 20, 25. Selector: tape, tuner, mic, phono. Volume with power switch. Bass. Treble. Power indicator light.

REAR PANEL: Inputs: tuner, crystal cartridge, low impedance mic, high level magnetic, low level magnetic. Input level adjust for tuner and crystal cartridge. Aux output. Power and output socket. Switched AC outlet.

TUBES: 3-12AX7.

Size: 3-1/2"H, 10"W and 7-1/2"D. Weight 6 lb. Sold from 1954-1955. Last retail price $86.50

C 504 Stereo Preamplifier

ELECTRICAL: Response 20-20kHz (+0 -0.5dB). Distortion 0.02%. Noise and hum -80dB aux, -90dB phono. Output rated 2.5v, 10v max. Output impedance 100 ohms. Load impedance 5k. Input sensitivity and impedance: aux 0.25V at 47k, phono 2.2mV at 47k and 50pF. Equalizer controls: boost and cut 12dB. Loudness continuously variable. Voltage gain 20dB aux, 61.1dB phono.

FRONT PANEL: Glass panel. Illuminated. Input selector: aux, tuner, phono 1, and phono 2. Pushbutton switches: power, monitor: tape 1 or tape 2, tape copy: 1 to 2 or 2 to 1, mono. Equalizer frequency: 30, 750 and 10k. Loudness: flat to max. Balance. Volume. Headphone jack.

BACK PANEL: Outputs: main, tape 1, tape 2. Inputs: tuner, tape 1, tape 2, aux, ph 1, ph 2. Ground binding post. AC outlets: 4 switched, 2 unswitched. Panloc mounting. Size 3-5/8"H, 16"W and 14-1/2"D behind panel. Weight 14 lb. Sold from 1980-1988. Last retail price $1090.00

C710 Audio Control Center.

This control center is the same as the C712 but without remote control. Originally was an export model but later sold in the USA. Sold from 1993-1995. Last retail price $660.00?

C712 Audio Control Center.

ELECTRICAL: Response 20-20kHz (+0 -0.5dB). Distortion 0.002%. Noise and hum -105dB aux, -90dB phono. Output rated 2.5v, 8V max. Input sensitivity and impedance: high level 0.25V (10V max) at 22k, phono 2.5mV (90mV max) at 47k and 65pF. Tone controls: bass and treble boost and cut 12dB. Loudness continuously variable. Voltage gain 20dB aux, 60dB phono.

FRONT PANEL: Glass panel. Illuminated. Input selector: CD1, CD2, tuner, video, ph/aux. Pushbutton switches: mono, tape mon: 1 or 2, tape copy: 1 to 2 or 2 to 1, power: on or off. Bass and treble, Balance, Loudness: flat to max. Volume. Headphone jack.

BACK PANEL: Outputs: main, tape 2, tape 1. Inputs: tape 2, tape 1, video, tuner, CD2, CD1, aux, ph. Ground binding post. Balanced outputs. Processor: from and to. Control connectors: CD 2, CD 1, tuner control, ext sensor, power control, data ports: sum, tape 2, tape 1, video, tuner, CD 2, CD 1, aux. AC outlet: 1 switched. Has hand remote C712. Size 3-5/8"H, 17-1/2"W and 17-1/2"D behind panel. Weight 17 lb. Sold from 1993-1997. Last retail price $1500.00

D-8 Power supply

For C-4 and C-8 preamplifiers. Hum adjust control, Fuse and 3 AC outlets switched by preamplifier.

TUBE: 5Y3GT

D-8A Power supply for C-4 and C-8 preamplifiers. Solid state. Replaced D-8. Shipping weight 5 lb. Sold from 1954-1960. Last retail price $19.95

D 101 Power supply for C 104 preamplifier.

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