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  • November 24, 2016 at 8:56 am #8251
    Don
    CVRS Member

    What the vintage radio world needs is a good cross reference table. I couldn’t find a reference to Royalmont anywhere (likely the cabinetmaker) but a Marconi model 633 readily pops up. Kudos to the folks at SQCRA for providing the connection!

    Good luck with your repairs.

    Don

    January 17, 2017 at 4:30 pm #8390
    Ray
    Forum Participant

    Hello again, so i have replaced all the caps and a few resistors and i still have speaker hum,,
    could under par tubes cause hum? I have no way of testing them here.

    also the on/off knob is missing anyone know where I would find a replacement, it looks to be 6.38mm shaft

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