The Harman/Kardon PM665 is one of H/K’s classic amplifiers. Like a lot of gear, this one had been messed with and needed repairs and service. Let’s take a look…

The Harman/Kardon PM655 is a beast of an integrated amplifier. With a power output of 100 Watts per channel, plus a useful amount (maybe 3 Watts) of class-A power, this amplifier is black, hot and heavy.… Read more