This is a vintage Hafler P500 professional power amplifier. Unit shows well with minor wear and tear to be expected with age. Unit DOES NOT POWER ON. A couple of the fuses seem crystalized but I dont know where to start diagnosing the issue so I am selling it AS IS. Dont miss this one while you have the chance! AtlantaModern is offering this amp NO RESERVE, high bidder wins it regardless of price. Thanks and Good Luck! AtlantaModern Auctions Please be sure to view our other auctions for the best in vintage sound! _gsrx_vers_1680 (GS 9.8.3 (1680))

One channel is not working. Powers up. The Hafler P500 is a high power two channel audio amplifier intended for professional sound installations of the highest calibre.Its levels of performance and reliability have been amply demonstrated in the success of its counterpart in the consumer market, the DH500, for more than 2 years, and the number of those amplifiers which have been chosen by sound professionals.The P500 adds notable convenience, versatility, and improved serviceability in an even more rugged package.SpecificationsPower output: 255 watts per channel into 8? (stereo), 800 watts into 8? (mono)Frequency response: 8Hz to 85kHzTotal harmonic distortion: 0.025%Damping factor: 200Input sensitivity: 1.55VSignal to noise ratio: 95dBSemiconductors: 33 x transistors, 12 x MOSFet, 35 x diodes, 6 x zener diodes, 7 x IC, 6 x LED, 1 x diode bridgeDimensions: 7 x 19 x 13 inches