Harman Kardon High Current Integrated Amplifier
Model: PM650
Price: $592.99 + $64.99 flat-rate ground shipping to US contingent states only
Description:
- Preowned. Reconditioned., Serviced -- See NOTES below
- Recently serviced and upgraded by our in-house technicians
- In Very Satisfactory Working Order.
- In Very Good cosmetic condition for its age
- Exactly as seen in pictures
- Comes with an electronic copy of the user's manual (to be emailed to buyer after sale)
- Clean and nice with normal signs of light wear and age
- Nice phono pre-amp with moving magnet and moving coil capability, which is rare
- All around good-sounding integrated amp that needs some service due to its age
- Work performed by MC Mobile, Thousand Oaks, CA
- Includes 6 month parts and labor warranty
NOTE: Our last picture shows two of the original, degraded, smaller, power supply capacitors that have been removed
SERVICE NOTES:
1.Burned out Function Indciator lights replaced with new
2.All controls cleaned
3.DC offset adjusted and measured to be less than 17 mV per channel
4.Some capacitors replaced with new including all of the power supply filter capacitors
5. Power supply capacitors upgraded with higher voltage, higher capacitance, new capacitors that add 20% more per rail
6. Bias pot replaced with new, so idle current could be set appropriately
7. Bias set so no visible crossover distortion at 20 kHz for both channels. Service manual procedure is not ideal as it sets the idle current high, so amp runs very hot at idle
8. Power output measured at 1 kHz into 8 Ohms, one channel at a time, and is 65 W per channel RMS
9. All functions checked
10. Amplifier cleaned inside and out
Specifications:
Power output: 50 watts per channel into 8Ω (stereo)
Frequency response: 0.5Hz to 140kHz
Total harmonic distortion: 0.08%
Signal to noise ratio: 78dB (MM), 80dB (line)
Semiconductors: 83 x transistors, 2 x FET, 8 x diodes, 17 x zener diodes, 3 x bridge rectifiers, 2 x varistors
Dimensions: 440 x 122 x 360mm
Weight: 10.4kg
Year: 1983
The PM650 provides loudness contour, tone defeat, mono/stereo/stereo reverse positions, and accommodations for two tape decks and two pairs of speakers. It also features a high-cut filter and two-way tape copy capabilities.