Harman Kardon PM665
Stereo Integrated Amplifier (1985-86)
Power output: 100 watts per channel into 8Ω (stereo)
Frequency response: 0.2Hz to 150kHz
Total harmonic distortion: 0.08%
Damping factor: 65
Input sensitivity: 0.12mV (MC), 2.2mV (MM), 135mV (line)
Signal to noise ratio: 75dB (MC), 77dB (MM), 78dB (line)
Dimensions: 443 x 134 x 398mm
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Reviewed Jul 07th, 2016 by Gustavmkd
I was never fun of Harman Kardon as brend, but few years ago I tested PM665 with tube pream and result was just...great..!! I dont know about other models of HK but this one really surprice me, I got more than I expected. Mixing transistor with tubes is what I do so many years, this result was amazing. HK output sound is neutral and well balanced so intervention should be with colourful tube preamp...Mullard, Philips tubes. Avoid Telefunken or Siemens tubes otherwise you will get nothing....funeral..:)
Highly recommend in hybrid combination with tube preamp...