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harmon kardon 930 hk twin power

  1. mcaddie7

    Transistor Replacement Help

    Hi! Looking to replace some transistors but am getting lost in long threads and my head is spinning. Is any transistor replacement okay as long as the specs are higher than the last? What about a website like this that just gives you comparable ones? Alltransistors.com The transistors in...
    • mcaddie7
    • Thread
    • harmon kardon 930 hk twin power transistor transistor equivalent
    • Replies: 11
    • Forum: Solid State
  2. mcaddie7

    HarmAn Kardon 930 Bias Adjustment Help

    I want to preface this with I'm a pretty big nob and have never touched a transistor or biased anything. I have however recapped my Harmon Kardon 930 to what seems great success. There are several guides on this site for biasing this receiver but non include pictures and thus I really can't...
    • mcaddie7
    • Thread
    • bias adjustement harmon kardon harmon kardon 930 hk twin power receiver
    • Replies: 21
    • Forum: Solid State
  3. mcaddie7

    HARMAN Kardon 930 Restoration Process

    So bought a HK 930 and have been using it for several months. Given the superb shape of the thing, I wanted to make sure it would sing for another 40+ years and wanted to dip my toes in receiver restoration. I work in turntable currently but receivers are a lot more electrically technically...
    • mcaddie7
    • Thread
    • harmon kardon harmon kardon 930 hk twin power hk 930 receiver vintage
    • Replies: 61
    • Forum: Solid State
  4. oksailor22

    HK930 service anyone?

    Hello, I'm new to AudioKarma. I have an old 930 twin power that is having some issues. I'm not very well versed on electronics, but I did go ahead and recap the power supply board. The unit does work, but is is making some ugly noises that are intermittent. A ramdom buzz that gets louder and...
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