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Thread: JVM 410H Noise

  1. #1
    Join Date
    Jan 2017
    Posts
    2

    Default JVM 410H Noise

    Hello all. This is my first post here. Seemed like a good forum.

    I have a JVM 410H, just a few years old. It sits in my house never being moved. I play through it probably 6 hours per week or so. Certainly "low miles".
    A couple of weeks ago it started making this swishing oceany background noise. I definitely narrowed it down to the amp.
    When I play through it, it sounds fine. The guitar audio over powers the background noise. But when I"m not playing, there's that noise. Pretty annoying.

    Any thoughts? Maybe the tubes need replacing, which seems odd to me due to the amount of hours being played through them...but maybe.

    Thanks, Todd

  2. #2
    Join Date
    Apr 2012
    Location
    Aurora Illinois
    Posts
    771

    Default

    You could have over 1000 hours on your tubes you could easily need some new ones
    PRS 408
    PRS CU22
    PRS CU22 Special Semi Hollow
    PRS 513
    PRS SCT
    PRS DGT
    PRS Silver Sky ( Horizon )
    PRS Silver Sky ( Orion Green )
    Fender Stratocaster
    Guild D-35
    Ovation Celebrity Deluxe Double neck
    Tonal Insanity Guitar Effects ( I make them )
    TC Electronics Nova System
    Mesa Boogie MKV
    PRS 2 Channel H

  3. #3
    Join Date
    Jan 2017
    Posts
    2

    Default

    Do you think that could cause this noise, basically overnight without affecting the overall sound? Because the sound I'm getting is as it has been. Super good.

  4. #4
    Join Date
    Apr 2012
    Location
    Aurora Illinois
    Posts
    771

    Default

    Yes amps can still sound great with tubes on there last legs.
    You do not have to replace all your tubes at once ( just power tubes as a matched set ) most amps have a bunch of 12ax7s for preamp and reverb and such and the a pair or Quad of power tubes
    I have fixed loads of noise issues just replacing one 12ax7 and yes they and go at anytime regardless of age Ive had some tubes last for hours and some for years.
    PS you can also try reseating all your tubes, and cleaning all the sockets
    PRS 408
    PRS CU22
    PRS CU22 Special Semi Hollow
    PRS 513
    PRS SCT
    PRS DGT
    PRS Silver Sky ( Horizon )
    PRS Silver Sky ( Orion Green )
    Fender Stratocaster
    Guild D-35
    Ovation Celebrity Deluxe Double neck
    Tonal Insanity Guitar Effects ( I make them )
    TC Electronics Nova System
    Mesa Boogie MKV
    PRS 2 Channel H

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