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Re: Harman Kardon 595
Hi, probably two things that can go dead, 1) the woofer itself and/or 2) the amplifier. I will rule out poser supply cos the other speakers are working. Normally they have a separate amplifier than that of the woofer.
If you are comfortable working with a soldering iron and a multi tester, after unplugging from the mains, then you open the enclosure and check the continuity of woofer which should read between 4-8 ohms, if it is open or no reading, replace just 2 wires/terminals involve with 3 or 4 screws. If the woofer reads a continuity, then it is the amp which normally is just a single power IC attached to an aluminum heatsink. In some instances, it may be a power transistor pair. In any case you have to be familiar with component level repair. Otherwise, you are probably better off asking a qualified service personnel to do the repair job.
Hope this be of some help. Pls post how things turn up. Regards.
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You can't connect the pre out of your AVR to this sub woofer. Do one thing connect the frond left/ right channel speaker "B" out of harman kardon to the sub woofers left right speaker in put. you can connect the speaker out "A" to your normal left right speakers. Remember to switch Speaker "A" and "B" in ON position in your AVR. Also do one thing go to the speaker setup of AVR and switch OFF (slelect NONE) the sub woofer.This will disconnect the sub woofer pre our and the sub frequency will mix with frond left right channels.
you need the the satellite speakers hooked up in order for the sub to work. its not a standalone sub the volume control knob on the satellite speaker is what powers on the sub. i have extra speakers i wish i could give you cuz my sub just blew out.
My problem is fixed now. I plugged the speakers into the earphone socket. There was no immediate effect just silence. I twiddled the control on the bass unit, played with the volume controls on the sticks. Then I realised the sound was back with the external speakers not the internal ones. It was as though the Harman Kardon system was re-booting itself. Very weird.