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dc voltage

  1. JB8

    HARMAN KARDON 430 - Oscillating DC Voltage At Speaker Terminal

    Hey All, I've read several threads on this issue, feels like I've checked most of the viable culprits but I need some help, please. ISSUE: Wildly fluctuating DC voltage at left speaker terminal, both spkrs 1 & 2 With DMM in 600 range, out of necessity, the voltage is quickly bouncing around...
    • JB8
    • Thread
    • 430 dc voltage dc voltage on output harman kardon harman kardon 430 speaker terminal transistor replacement
    • Replies: 6
    • Forum: Solid State
  2. L

    left channel 1,9V DC - Marantz 1152 DC

    Hello. I got recommended to this forum, I hope someone could me with this problem. I have the problem that I get up to 1,9V DC on both of my left channels of the 1152 DC. I think the problem existed a good 15 years, I just realized it IS a problem a week ago. Back then the left channel would...
  3. Richs_Trains

    Marantz 4270 pops when turning on/off

    Hey all, The 4270 I have in the living room has always popped when I turn it on or off through the speakers. I have read threads about dc voltage and such, and I have recapped the filter caps, power supply board and all 4 amps. I have adjusted both the power supply and the amp boards to the...
  4. Wpala

    2230 DC voltage

    Hi there great forums very informative learning something everyday. New to me Marantz 2230 works great but out of curiosity checked the Dc voltage on speaker terminals and both are reading around 35DCV I ahve always thought that is very bad for the speakers and was planing on doing re-cap on...
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