TA-20 Tube Options

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  • #1466
    eicrtech
    Participant

    Hello,

    I have a TA-20 coming this week and have a question about tubes for this. I own another tube amp that accepts 12AX7 and 12BH7 preamp tubes. I understand that the TA-20 comes with 12AU7 tubes but I have quite a few matched pairs of other 12xx7 around for my other amp. It sure would be nice to be able to use a few of the tubes I already have on hand.

    Can 12AX7 and/or 12BH7 preamp tubes can be safely used in the TA-20 without causing damage?

    Thanks.

    #1507
    xDuoo Official
    Senior Moderator

    It won’t be damaged. It can be used, but the output power may be different

    #1506
    eicrtech
    Participant

    I guess it is safe to assume at this point that nobody has ever tried using different 12xx7 tubes on the TA-20 amp. I suppose I should just sell the TA-20 rather than chance damaging it.

    Thanks anyway.

     

    #1515
    eicrtech
    Participant

    Thank you very much for the response. This is comforting since I like the amp but I also didn’t want to damage it from trying different tubes. I appreciate you taking the time to respond.

    #1536
    eicrtech
    Participant

    I have one more question please.

    Are the tube filaments running at 6 volts or 12 volts? Thanks.

    #1637
    xDuoo Official
    Senior Moderator

    12 volts

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