Mcintosh C22 Vintage Mid-Late 60s Stereo Vacuum Tube Preamplifier

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Item History - Pre-owned

Manufacturers Description - This information is to be used for reference only. Because the item may be pre-owned, accessories or warranties mentioned in this section may not apply to this specific item. Please check the “Included Accessories” section and photos for more details..

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

16lb. 

Other

Sold from 1963-1968. Last retail price $279.00


Functional Condition - Full Functionality - This item is in full working order with all features operational.

Functionality Notes (if any) -

Cosmetic Condition - Average - It looks to be in average cosmetic shape for an item of this type with a typical amount of cosmetic wear to a comparable item of its age and use as shown.

Cosmetic Notes (if any) -

Included Accessories - Preamp only with power cord

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