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330b b2

  1. 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...
    • dlucy
    • Thread
    • 330b b-2 330b b2 harman kardon 330b hk330b
    • Replies: 3
    • Forum: Solid State
  2. puma1824

    Harman Kardon 330B (B-2) Restoration Thread - Information & Questions

    I'm in the process of recapping my 330B (B-2) and found that the schematic is wrong for some of the transistors. As a result I'm trying to determine what I can replace the transistor that has the labeling C1384 R 4B on it. I had planned on replacing the 2SC538A (C1509 R 3H) with a recommended...
    • puma1824
    • Thread
    • 330a 330b 330b b2 harman kardon 330a harman kardon 330b
    • Replies: 22
    • Forum: Solid State
  3. puma1824

    Help find replacement trimpots for a Harman Kardon 330B (B-2) Predriver Board

    I'm in the process of sourcing both caps and other components for my Harman Kardon 330B (B-2) and can't figure out which trimpots I should purchase to replace the old fragile ones on the Predriver Board (see pic). I found an older thread from dlucy which he posted the following which currently...
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