sir39

  1. Antônio S

    Correct schematics for S.I.R amplifiers #34 and #36

    Hello guys. I'm looking for legit (or close) schematics for the famous S.I.R amplifiers #36 and #34, made by Frank Levi. A friend found this schematic in his personal files (attached). What do you think of him? We will be happy to receive different opinions. We would also like to hear from...
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