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sta 78

  1. JB8

    REALISTIC STA-78 Mono/Stereo Puzzle!

    Hey there, thanks in advance for any advice on this issue, it's been a real head scratcher! Unit originally had a separate thread due to blowing fuses, previous owner had bumped up a ton of cap values and removed the phono pre-amp for some reason, so I restored most of the cap values to close...
    • JB8
    • Thread
    • mono realistic realistic sta-78 sta 78 stereo
    • Replies: 15
    • Forum: Solid State
  2. JB8

    REALISTIC STA-78 No Stereo Light

    Squad, I've been on a little run of finding and replacing bad transistors this last week and brought three units back to life thanks to your help - a Concept 2.5, HK 330c, and most recently I've been working on an AA-6600 that's close to being done, so I thought I'd pull out a STA-78 I'd been...
    • JB8
    • Thread
    • realistic realistic sta-78 sta 78 stereo light
    • Replies: 49
    • Forum: Solid State
  3. vinylisfinyl

    Realistic STA-78 with high voltage on left channel output

    Greetings, fellow stereo curators! I need some assistance from you today regarding high DC voltage on the left channel in our beloved STA-78 receiver. Dad bought it new in the late 70s and passed it on to me, but when he tried using it this summer in our garage it let out the magic smoke after...
    • vinylisfinyl
    • Thread
    • channel high dc offset high voltage output realistic speaker sta 78 sta-78 sta78
    • Replies: 39
    • Forum: Solid State
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