JTM45 Problems

Discussion in 'Amps and Cabs' started by ahcleinad, Feb 6, 2012.

  1. ahcleinad

    ahcleinad Member

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    I was playing my Rockytop JTM45 this weekend and there were times where the amp would be really quiet and all of sudden get really loud with the highs being prominent. Could the problems be the tubes? I bought it off of here during last summer and haven't exchange the tubes yet.
     
  2. Lublin

    Lublin Senior Member

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    New Jersey
    I would replace the tubes first then look elsewhere for issues. Tube replacements are simple and non-invasive.
     

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