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Bassman aa864 master volume mod

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  • Davebassman
    replied
    The blue cable goes to the bias pot, and the shield to the pot ( only one termination ).

    Thanks!!

    Leave a comment:


  • pdf64
    replied
    Well done, the cable look a bit more manageable than the 6mm dia type I envisaged.
    Be careful with its screen termination, can't quite see what you're connecting it to, but you mustn't let it ever risk shorting the blue bias feed wire to chassis 0V.

    Leave a comment:


  • Davebassman
    replied
    I've done...

    yes, it's a bit difficult. But I don't know if I prefer an attenuator or a MV...

    https://ibb.co/wrfD9N3

    https://ibb.co/wBy6NSH

    Leave a comment:


  • pdf64
    replied
    I think that using such cable may make the job rather more difficult (and so likely to be unsuccessful, especially so if the operative lacks a good level of skill and experience).

    Leave a comment:


  • Chuck H
    replied
    Originally posted by Helmholtz View Post
    Cable thickness does not matter.
    This^^^^^^^^^^^^^^^^^^^^^^^^^

    But cable routing and shield grounding can. Try to keep the leads as short as practical and don't ground the shield with anything mains, power amp or filament related.

    Leave a comment:


  • Helmholtz
    replied
    Cable thickness does not matter.

    Leave a comment:


  • Davebassman
    started a topic Bassman aa864 master volume mod

    Bassman aa864 master volume mod

    Hi,

    I want to mod my fender aa864 to add a master volume ( post phase inverter ). But I have a question... The cable thick does matters? The cable that I have is a XLR mic cable.

    https://ibb.co/Gd5DnpL

    thanks.
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