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mpsa65

  1. ocdecio

    MPSA65 Darlington hFE

    I followed lots of threads about the 240/250 and one thing I remember reading was Q503 can be a troublemaker, and it is a darlington MPSA65. I am having issues with the left channel slowly getting pops and cracks, then all of a sudden a "whoosh" and bam, the channel is out with rails DC in the...
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