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problem with a a vox ac30

  • 26-01-2010 1:56am
    #1
    horseplay
    Registered Users, Registered Users 2 Posts: 80 ✭✭


    About a year and a half ago bought a second hand vox ac30 as a back up amp for my studio , and it has always been a quality amp that worked perfectly ,.. but recently it has been blowing the rectifier valve ' GZ34/5AR4' which ive found very difficult to replace at short notice in ireland, its gone through 3 of them in as many months , now as a drummer i dont even know where to begin with this ,. so im looking for any ideas or suggestions

    cheers :)


Comments

  • #2
    Kenny_D
    Registered Users, Registered Users 2 Posts: 3,204 ✭✭✭Kenny_D


    I think theres a number for Aladin Amps in the stickies. Only place that comes to mind for amp repairs


  • #3
    Eoin Madsen
    Registered Users, Registered Users 2 Posts: 2,117 ✭✭✭Eoin Madsen


    You could stop using the standby switch entirely and see if the situation improves. I understand there to be something of a design flaw in that regard.

    Failing that, go to http://www.tedweber.com/ and get yourself a copper cap to permanently replace the rectifier with.


  • #4
    Paolo_M
    Registered Users, Registered Users 2 Posts: 880 ✭✭✭Paolo_M


    Do we assume that it's a reissue AC30?

    Even using the stand-by on the reissues shouldn't be blowing rectifier valves that quickly.
    There's clearly something wrong here.

    Did you purchase all three rectifier valves from the one supplier and the one brand?
    Did you try a different supplier or brand?
    You can be simply unlucky as there's not a huge demand for these valves and manufacturing QC can be sketchy at best.

    If this doesn't help the it's time to visit a reputable tech, as there is something wrong with the amp itself.


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