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harman kardon 330a

  1. 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
  2. JB8

    HARMAN KARDON 330A - Dead Right Channel

    Crew- I have another 330A, dead right channel, here's were I'm at. Initial testing revealed TR904 was bad so I replaced all four output transistors with 15034's TR608 & TR606 tested bad as well, replaced them with 1220 and 2690 (also replaced on left channel, I did this will all components I...
    • JB8
    • Thread
    • 330a dead channel harman kardon harman kardon 330a right channel dead right channel issue right channel no sound
    • Replies: 10
    • Forum: Solid State
  3. JB8

    HARMAN KARDON 330A - Volume Pot Replacement?

    Hello! I have my first 330A on the bench after dabbling in B's and C's - very cool unit! That said, even after a thorough cleaning, I'm getting a bit of volume on the left channel with the control at zero. Once the volume is increased both channels are fine, no perceptible imbalance, and sound...
    • JB8
    • Thread
    • harman kardon harman kardon 330a potentiometer repair volume control
    • Replies: 2
    • Forum: Solid State
  4. dlucy

    dlucy's guide to Harman Kardon minimalist series 230A, 330, 330A, 330B B-1, 330B B-2, and 330C

    The third era of solid state stereo receivers from Harman Kardon centered around the 330A and 330B and the clones made by Roland and Soundcraftman: This thread is a guide to those models, their specs, and pointers to schematics and restoration threads for each. If you have additional...
    • dlucy
    • Thread
    • 330a 330b 330c harman kardon harman kardon 330a harman kardon 330b harman kardon 330c hk
    • Replies: 50
    • Forum: Solid State
  5. dlucy

    Harman Kardon 330A recapping

    Just to keep everyone guessing, I only replaced the electrolytic caps in this Harman Kardon 330A instead of replacing everything I could desolder. ;) For those of you who just want to do a minimal recap and you have the matching 330A, then this thread should help find the right parts to return...
    • dlucy
    • Thread
    • 330a harman kardon harman kardon 330a hk hk 330a recap recap list recapping
    • Replies: 24
    • Forum: Solid State
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