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GK MB800 Fusion Alternate Tube Options?

Discussion in 'Amps and Cabs [BG]' started by usmcmarc, Sep 8, 2017.


  1. usmcmarc

    usmcmarc

    Mar 26, 2011
    New York
    Apparently one of my preamp tubes is bad, and of course they are the only thing NOT covered under warranty. So...my question is:

    Replace just the bad tube (came with JJ Electronics 12AX7)?
    Replace all 3 with a different brand since the JJ crapped out after 8 months (Mullard)?

    Or...

    Are there other options of tube type to get better sound?

    I know extremely little about tubes... I've read about matched sets, NOS, etc, etc...but don't know if it would make much of a difference being it's only tube preamp.

    Any advice would be appreciated
     
    Last edited: Sep 8, 2017

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