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Changing preamp tubes in a Trace Elliot GP12SMX?

Discussion in 'Amps and Cabs [BG]' started by tekhna, May 27, 2005.


  1. tekhna

    tekhna

    Nov 7, 2004
    Anyone done it?
    I have a couple 12ax7s about, and I was thinking of popping the top off of the amp and replacing the tube. See how it changes the sound.
     
  2. i recently acquired a gp12smx and would also be keen to hear some tube replacement stories

    Rod
     
  3. JimmyM

    JimmyM Supporting Member

    Apr 11, 2005
    Apopka, FL
    Endorsing: Ampeg Amps, EMG Pickups
    Preamp tubes are easy to change. If you have them laying around, can't hurt to try them out.
     
  4. Kelly Lee

    Kelly Lee Yeah, I'm a guy! Supporting Member

    Feb 17, 2004
    Marana, AZ, USA
    I replaced the stock one in my RAH350SMX with a JJ's high gain 12ax7 and it definately changed the sound for the better IMO. It has a slightly warmer/fuller tone than the stock tube. If I had the money I would try some of the more pricey tubes just for the heck of it but I'm very satisfied with the tone I have.