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au 20000

  1. joestcyr

    T03 Power op amp wiring awg?

    I need to R&R some wiring in a au20k. original shinagawa. don't see any awg anywhere. obviously its heavy, but how so? 10,12,14? anyone who could shine some light, i greatly appreciate it.
  2. joestcyr

    Defying the laws of POLARITY??

    Hey everyone, during my recap I’ve run into the usual values differing from the SM, but this one has me BAFFLED :no:. This is the F-2505 flat amp board. Pics show it; caps c09 & c10, both leads are soldered together? These are polarized 47uf 6.3v This amp ran very well for years before I ever...
  3. joestcyr

    Alternative transistor list/ AU20K?

    Been doing a recap on this AU20K, which has been going(newbe) s-l-o-w. Now as I read on AK there are a lot of parts that the general consensus is-while your in there, you really SHOULD replace (fill in blank). Especially with transistors. I get the OEM, find mention of its recommended...
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