Marshall 50w Plexi coupling cap voltage rating - 630v vs 600v

Discussion in 'Shock Brother's DIY Amps' started by itsGiusto, Sep 15, 2019.

  1. itsGiusto

    itsGiusto Tele-Meister

    Dec 31, 2017
    Without thinking, I ordered some Orange Drop 0.1uf and 0.022uf caps to use in my 50w Plexi build as coupling caps. The original caps in the circuit were rated at 630v, but these are rated at 600v. Is this a problem? I think that B+ is lower than 600v (I think it's usually 450?) so maybe it's fine?
    Last edited: Sep 15, 2019
  2. dan40

    dan40 Tele-Afflicted Silver Supporter

    Aug 19, 2015
    Richmond Va
    The 600v will be fine as long as your using a normal 50 watt style PT. The early amps had voltages approaching 500v (and sometimes higher) and work just fine with 400v Phillips Mustard caps for many years.
    Paul G. and itsGiusto like this.
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