harman kardon

Hello, i recently got an Harman Kardon PM635 UWB dual system amp and no matter what the left channel doesn't work: tried plugging the source in tape, cd, tuner and no luck, the left channel doesn't work neither on the headphone jack or the speakers (both system 1 and 2). Any suggestions? Thanks...

Hello all, I need your help and support. I have the two following systems:: (A) Harman Kardon Receiver AV330 https://www.cnet.com/reviews/harman-kardon-avr-330-review/ Characteristics DISPLAY Display Dimmer Yes AUDIO Amplifier Output Details 55 Watt - 8 Ohm - 20 - 20000 Hz - THD 0.07% -...

I bought a Harman Kardon MS 100 in late 2010 and now the display is just about unreadable. However, the South African agents say there are no spares available for this, as they are only legally required to keep spares for 7 years! This for an item that was introduced in 2009 for 500 pounds...