
PS Audio HCA-2 Amplifier
For sale, we have a PS Audio HCA-2 Hybrid Class A Stereo Amplifier in perfect working order. The amp has been serviced, including replacing defective output transistors, and setting the DC offset. The amp was then put on our bench where it went through our amplifier testing process. A 1k sine wave was run into the amp, while monitoring the output on our scope via a sine wave for signs of distortion or noise. Once we established there were no issues, we then slowly ran the amp up to full rated power using a dummy load provided by our Sencore PA81 power amplifier analyzer. The amp performed as it should and ran clean at 150 watts per channel at 8 ohms. Finally, we ran the amp in one of our house systems for several days where it performed beautifully. Physically the unit is in very good to excellent condition, with only minor blemishes, no dents, and no deep scratches. See pictures for further details on its physical condition. Included in the sale are the amp, original owners manual, di