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Standby switch lightly pulsating at high voumes

Discussion in 'Amps and Cabs [BG]' started by Figjam, Nov 29, 2013.

  1. Figjam


    Aug 5, 2003
    Boston, MA
    Hey all

    I have a question about a tube amp. Its a sovtek.

    At high volumes, the light that illuminates the standby switch gently pulsates. Is this an issue?

  2. toomanyslurpees


    Jan 21, 2009
    Do you take issue with it?
  3. Figjam


    Aug 5, 2003
    Boston, MA
    I dont mind it. I cant imagine that it is any indication of the amp being pushed too hard, but was curious.
  4. coreyfyfe

    coreyfyfe Supporting Member

    Nov 19, 2007
    boston, ma
    Loose connection being aggravated by vibration?
  5. Steve Dallman

    Steve Dallman Supporting Member

    It's pretty common. The light is powered by the 6.3voltAC circuit for the tube heaters. The sockets are notorious for not making great contact. Nothing to worry about.
  6. Figjam


    Aug 5, 2003
    Boston, MA
    Thank you.