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Audiophile pure class A and switchable/auto to class AB analog power amplifier designed and constructed to high quality. The unit weighted more than 50 lbs as results.
Power output: 250 watts per channel into 8Ω (stereo). Audiophile lever Damping factor: 250.
Featuring dual power transformers for pure class A performance and auto switch to class AB (operating on both transformer if draw more than 120W/8Ω stereo)
NOTE: When running at Class A, the amplifier will be operated at full power regardless of volume level. The amplifier must have enough space on top and behind to dissipate heat - or the amplifier at risk of component degrade and even failure.The unit has been fully serviced and re-tested by a technician before anti-tamper stickers were placed over the chassis. Serial number also has been recorded.
The listing is for a power amplifier unit only. No remote, No cable or other accessories included.The 40-years vintage unit shown signs of previous use such as scratches, worn out corner, faded sticker, discolored spots, small dings, rust spots....see photos and consider photos as a part of listing descriptions.
Fully internal checked up with focus on preventative service to this particular Yamaha model. No sign internal component corrosion or insulation glue degraded, No sign of capacitors leaks, All Sanken High Power Transistors are original. Check photos for details.
All 6 speaker output terminal A, B and C have been reinforced by injection-molding of high-strength epoxy to prevent possible future failure, especially when user accidentally pull-off speaker cables with great force. Zoom-in back panel photos for details.
All dials, all inputs, buttons and all six speaker outputs are cleaned, de-oxidized and re-tested.
Sound output is crisp and strong on all speakers output terminals.
Uses U.S. AC Power 110-120V or 220-240V (selectable) 50/60 Hz. Max 850W.
No return if due to buyer mishandling or damage because of lack of proper operational knowledge - and above all we are watching out for the part swappers if anti-tamper stickers on the unit removed or broke off.
Buyer with no response please contact before buying. We reserve the right to cancel the sale to anyone.
If you happen to be a local buyer, you are more than welcome to contact us by message to stop by and audition the item prior to buying. 10% discount will be applied toward the purchase price to local buyer.
Will ship the 50 lbs unit in fully insured carrier, double boxed (totally 60 lbs) with foam insulation and all corner reinforced.Flat rate $60 expedite shipping with an USA residential address only. No P.O Box. No International output: 250 watts per channel into 8Ω (stereo)Frequency response: 20Hz to 20kHzTotal harmonic distortion: 0.003%Damping factor: 250Input sensitivity: 1.55VSignal to noise ratio: 127dBDimensions: 435mm (17\") x 165mm (7\") x 425mm (17\")Weight: 23kg (50 lbs)
Year: 1984-85
