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hk 330

  1. 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.
  2. dlucy

    FM Stereo Demultiplexor IC chip BA1310 LM1310 NTE801 ECG801 - all the same?

    I've got a stack of Harman Kardon 330A, 330B and 330C and they all have a BA1310 IC chip in a DIP-14 14 pin package that handles the FM signal demultiplexing. Pin #6 drives the stereo indicator lamp, too, apparently. One of these units wasn't lighting that lamp correctly and I swapped the BA1310...
    • dlucy
    • Thread
    • ba1310 fm demultiplexor chip hk 330 hk 330b hk 330c lm1310
    • Replies: 13
    • Forum: Solid State
  3. Ric Harris

    Would a variable capacitor benefit from a blast of Deox to the fins.

    I have a couple vintage Harman Kardon receivers. One is a 230 B and the other is a Three Thirty and neither one gets decent reception even with a decent antenna. I am wondering if those fins oxidize or are these vintage HK's known to have substandard tuners? BTW I have a Nikko that has a tuner...
  4. dlucy

    Harman Kardon HK 330B recap, restore and upgrade BOM part list (kinda)

    Thanks very much to the kind folks here on AK for helping me work through a recap/rest-o-mod on a pretty little HK 330B. I've finished the unit, tested it for weeks now, and I'm happy enough to publish the BOM that worked. Note: the thread you're reading now, its BOM and photos only cover one...
    • dlucy
    • Thread
    • bom harman kardon hk hk 330 hk 330b hk330 parts list recap refurbish restore
    • Replies: 176
    • Forum: Solid State
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