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2sc871

  1. oldvinyldude

    Transistor markings Questions

    I have a KA7002 integrated. I have some sporadic noise bursts that are audible with no source playing. My hunch is one or more failed transistors, as the unit uses transistors marked C458 and C871. I gather these are 2SC458's and 2SC871's-correct? Members here have posted suggested...
  2. A

    2SC871 (E,F) sub for Sansui AU-101

    Hi I'm working on an amp with a noise problem. Some helpful threads have helped me identify BC550 as a possible sub for the x-sistors I think are the problem, eg: https://audiokarma.org/forums/index.php?threads/top-ten-worst-transistors-noisy-failure-prone-whatever-and-replacements.731653/ I...
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