• The move to the new server is done. There are some software and database maintenance updates in process. This has us passing the hat around to help out. We appreciate any donations. Seriously, even a dollar helps. The payment page may be found here - https://www.audiokarma.org/support.html

hk330b

  1. D

    Harman Kardon 330B repair in SE MI

    Hi all. I recently acquired a nice HK330B, wood case and everything, for a decent price. It works ok for the most part, but as it's going to be part of a wedding gift for my daughter, I'd like to get it fully restored. Full recap, bad transistors, new lamps, etc. I'm not confident enough, or...
  2. dlucy

    Which do I have? A Harman Kardon 330B B-1 or a Harman Kardon 330B B-2 ?

    This thread is to help anyone determining if their Harman Kardon HK 330B is a B-1 series or a B-2 series. While both are labeled as "330B", the schematics, components and internal layouts are quite different. If you're recapping your 330B or diagnosing some problem, you'll want to know which you...
  3. santiagon80

    Harman Kardon HK 330B transformer replacement

    hey there all youse, AK’ers of the world! So…i got an hk330b multivoltage with a dead transformer… previous owner had already told me that smoke was coming out of it when turned on. I got it with the idea in mind that I had to replace that transformer, probably due to dead outputs, bad caps...
  4. bubbletrou

    HK 330b chassis measuring 120 volts

    Hi all, thanks to @dlucy 's many incredible threads on the topic, I have begun the process of restoring a non-functioning 330b that I purchased for cheap. I have replaced the majority of the components on the main amp board and gotten it working with one caveat: the chassis seems to be 'hot'...
  5. dlucy

    Rotel RX-400A - a rebranded Harman Kardon 330A or 330B

    I finally found a Rotel RX-400A which is a rebranded HK 330A or 330B. I'll crack it open and document what I find here.
Back
Top Bottom