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    June 20th, 2012

    Some schematics / AC analysis of oAudio 500w amplifier's variable rumble filter/bass boost.

    The board seemed complicated at first glance, as probably the components were placed first, and then routed. In addition, the frequency selection switch has it's pins connected in weird order.
    Anyway, i've recreated the filter schematics, and also did AC analysis to verify everything is fine with it.

    By s3t © 2011