Question about Harman Kardon HK595 Computer Speakers

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Harman Kardon 595

I dont know what is wrong with it, i was listening to it one day when the sub went out but the speakers that are connected to the sub work perfectly. Any ideas?

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  • Kyle Chan Apr 27, 2007

    Thanks for the feedback. I was looking for another sub without the speakers and came across some that weren't too expensive in the 20$ range. Do u guys think that it will ocst more than that to fix or should i just get it repaired because im not to good at repairing these types of things.



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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.

Posted on Apr 26, 2007

  • Louie  Role
    Louie Role Apr 26, 2007

    sorry, the above should read - "I will rule out power supply coz".... cheers

  • Louie  Role
    Louie Role Apr 27, 2007

    Hi again, a sub for $20 is not bad as long as the speaker/enclosure size is roughly the same or bigger and the power rating is the same or higher.

    If it is the (just the) speaker, repair/replacement should not really be difficult. A couple of screws underneath or at the back of the sub to remove the panel covering, normally 4 screws for the sub speaker and two wires/terminals for the actual connection, put it back and that's it. This is of course if and when you have determined that the woofer is open. The IC is another thing. Maybe you have to ask somebody who knows desoldering and soldering.

    But then again $20 doesn't sound so bad.....




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