Audiophile pure class A and switchable/auto to class AB analog power amplifier designed and constructed. The unit weighted more than 50 lbs as results. Power output: 250 watts per channel into 8? (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/8? stereo) Shown signs of previous use such as scratches, worn out corner, faded sticker, small dings, rust spots....see photos for more info. 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 serial number: 01980 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 internal photos for details. All 6 speaker output terminal A, B and C have been reinforced with high-strength epoxy to prevent possible future failure, especially when user accidentally pull-off speaker cables with great force. Check internal photos for details. All dials, all inputs, buttons and all six speaker outputs are cleaned and 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 zero feedback 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 eBay message to stop by and audition the item prior to buying. 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 shipping. _____________ Specifications Power output: 250 watts per channel into 8? (stereo) Frequency response: 20Hz to 20kHz Total harmonic distortion: 0.003% Damping factor: 250 Input sensitivity: 1.55V Signal to noise ratio: 127dB Dimensions: 435mm (17) x 165mm (7) x 425mm (17) Weight: 23kg (50 lbs) Year: 1984-85

Amp works fine A terminal was repaired slightly crooked as seen in pics but glued tight. and capacitors changed. Terminal c slightly loose has a crack. See pics. Front lights all work

HAS BEEN SERVICED. HAS NEWER SPEAKER BINDING POST. METERS AND EVERTHING WORKS FINE. ADD 100.00 FOR SHIPPING.On Jan-26-24 at 01:13:01 PST, seller added the following information: HAS BEEN SERVICED. HAS NEWER SPEAKER BINDING POST. METERS AND EVERTHING WORKS FINE. I WILL SHIP FOR 100.00On Jan-26-24 at 01:39:52 PST, seller added the following information: HAS BEEN SERVICED. HAS NEWER SPEAKER BINDING POST. METERS AND EVERTHING WORKS FINE. ADD 100.00 FOR SHIPPING. On Jan-26-24 at 01:13:01 PST, seller added the following information: HAS BEEN SERVICED. HAS NEWER SPEAKER BINDING POST. METERS AND EVERTHING WORKS FINE. I WILL SHIP any were in the US FOR 100.00