Description
YAMAHA NATURAL SOUND C2x PREAMPLIFIER - Very good condition This is a very special pre-amplifier, a C2X, the last model of the C2 series - very highly rated by the audio high-end press for its real-life, natural sound quality. This was the top of their line in the late 70s at the height of high fidelity audio when companies had the intellectual, labor , and supply-chain resources to design the best audio equipment. Hand-crafted to sound like live music, no wonder it sounds wonderful even today and it can compete with the formidable audiophile brands . The Phono stage is legendary and probably among a handful of the very best in the planet. It works perfectly. The line amplifier, in the same league as the phono section, is exemplary and is in superb working order. The unit was serviced, thoroughly checked and tested by Audio Expert Repair in Las Vegas. See a copy of their sales receipt for info of service rendered. Two line inputs are missing their ground sleeve but does not need to be replaced. The photos depict its physical condition. While not pristine, it is quite superb for a fifty year old audio masterpiece by a world-renowned music instrument manufacturer. Specifiations:Yamaha C-2a October 1 9 7 8 to 1 9 8 3 Updated version of the original C-2 bestseller and itself a bestseller. Inputs :2,5mV / 100 Ohm / 47kOhm / 68kOhm / 100kOhm (phono 1 MM) 100µV / 50 Ohm (phono 1 MC) 2,5mV / 47kOhm (phono 2 MM) 150mV / 47kOhm (Aux / tuner / tape 1 & 2) Max. input :350mV (MM / 1Khz / 0,01% THD) 10mV (MC / 20Khz / 0,03% THD) 1V (lines / 20Hz...20Khz / 0,01% THD) Outputs :2,0V / 250 Ohm (PRE out 1 & 2) 150mV / 100 Ohm (REC out 1 & 2) Max. output :15V (PRE out / 0,01% THD) 18V (REC out / 0,01% THD) THD :< 0,003% (10V output ; phono MM to REC out) < 0,01% (1V output ; phono MC to REC out) < 0,003% (10V output ; lines to PRE out) THDR (HP-IB audio Analyzer) :< 0,0007% (phono MM to REC out ; 1V output ; 20Hz...20Khz) < 0,0007% (lines to PRE out ; 2V output ; 20Hz...20Khz) RIAA accuracy :± 0,2dB (phono MM ; 20Hz...20Khz) ± 0,3dB (phono MC ; 20Hz...20Khz) Frequency response :10Hz...100Khz (lines ; ± 0,2dB) S/N ratio :> 92dB (MM ; IHF-A) > 78dB (MC ; IHF-A) > 105dB (lines ; IHF-A) Residual noise :< 0,03µV (vol. min.) Channel separation :90dB (phono MM to PRE out ; vol. max. ; 1Khz ; 0 Ohm shorted) 60dB (phono MC to PRE out ; vol. max. ; 1Khz ; 0 Ohm shorted) 90dB (lines to PRE out ; vol. max. ; 1Khz ; 1kOhm shorted) Bass control :± 10dB at 20Hz (turnover 350Hz) Treble control :± 10dB at 50Khz (turnover 3,5Khz) Subsonic filter :15Hz (12dB/octave) Audio muting :-20dB PC :36W Dimensions :43,5 x 7,2 x 32cm Weight :7,9kg.
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