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Engl Fireball Amp Problem

  • 20-06-2007 5:53pm
    #1
    raido9
    Closed Accounts Posts: 409 ✭✭


    I recently experienced a significant drop in output volume through my Engl Fireball and don't know what caused the problem. The head still works (ie - there is output) but just a huge reduction in volume.

    I have changed both the poweramp tubes, but this has yielded no improvement so the problem must lie elsewhere.

    Has anyone experienced a similar problem with a tube amp before? Can anyone recommend a possible solution?

    Thanks.


Comments

  • #2
    Karl Hungus
    Closed Accounts Posts: 29,130 ✭✭✭✭Karl Hungus


    Are the power tube monitor lights on or off?


  • #3
    raido9
    Closed Accounts Posts: 409 ✭✭raido9


    Hi Karl - thanks for the reply.

    The power tube monitor lights are off - signifying that there is no problem with the power amp tubes.

    Any other suggestions?


  • #4
    Karl Hungus
    Closed Accounts Posts: 29,130 ✭✭✭✭Karl Hungus


    Hmm, the effects loop balance control, is that turned fully to dry? Assuming, that is, if you're not running anything in there.


  • #5
    raido9
    Closed Accounts Posts: 409 ✭✭raido9


    Thanks again Karl, but no luck - FX loop is set to Dry and still f*ck all output :o(

    I'm stumped - only thing I can think of is that there might be a diode blown in the circuit... If the preamp was damaged there'd be zero output right?


  • #6
    Giblet
    Registered Users, Registered Users 2 Posts: 11,989 ✭✭✭✭Giblet


    Preamp tubes can cause lots of problems. I wouldn't have changed the Powertubes without checking them first to be honest.


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