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capacitor replacement

  1. G

    Leak Delta 70 – DC Offset Spike on Start-Up

    Hello all, Looking for a bit of advice on my Leak Delta 70. On power-up, I’m getting a noticeable thump through the speakers and a spike in DC offset. I’ve measured the offset across the speaker terminals with a multimeter. It jumps to around +16V when I switch on, then slowly drops over 30–40...
    • Gorsko
    • Thread
    • capacitor replacement dc offset spike diy repair help leak delta 70 power supply caps power surge on startup speaker thump vintage british amplifier
    • Replies: 1
    • Forum: General Audio Discussion
  2. A

    Capacitor replacement question Harman Kardon Citation 22

    Hi, I have a Citation 22 I bought new in 1989, that I took apart to chase down a DC output issue. I'm thinking the DC output may be related to cracked solder joints in the pre-driver board with loose transistors, as when I moved that board or banged it, the DC output would increase or go away...
    • AndrewL
    • Thread
    • capacitor replacement citation 22 coupling capacitor failed capacitors harman kardon
    • Replies: 11
    • Forum: Solid State
  3. Trodder

    Denon DP-51F Restore Thread and Questions

    It seems a lot of these heavily electronic turntables are really starting to reach a period of issues and failure. If you are lucky you realize a lot of the issues are resolved by simply recapping the turntable BEFORE it causes a chip (microprocessor) failure. Right now I have a Denon DP-51F...
    • Trodder
    • Thread
    • capacitor replacement denon dp-51f denon dp-52f recap and restoration truntable recap turntable adjustment turntable advice turntable capacitor replacement turntable restoration
    • Replies: 2
    • Forum: Turntables
  4. R

    Capacitor advice

    Recapping an old Sanyo channel master portable 6 transistor radio, has real low volume so I figured I’d recap it. I’m inexperienced in recapping things and got this for cheap, so it would make a great starting project-I already know how to solder things. it’s got about 5-6 of these green plastic...
  5. s.ricci

    Speaker Capacitor Replacement

    I want to replace the paper speakers caps on a 1964 Zenith console and was hoping I could get some direction. The printing on the caps is 3MFD 30vac. There are four total. I am attaching a picture as well. Looking for a recommendation on a suitable replacement. Thank you for your assistance...
    • s.ricci
    • Thread
    • capacitor replacement
    • Replies: 5
    • Forum: Speakers
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