Another day, another Twin in the bench!

Discussion in 'Amp Tech Center' started by Luthier Vandros, Jan 14, 2020.

  1. Luthier Vandros

    Luthier Vandros Tele-Holic

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    These are sad times, indeed! All these Sick Twins running about.

    Amp came in with an intermittent, low frequency buzz. After popping her open, my eyes beheld a ghastly sight. Behold!

    [​IMG]

    [​IMG]
    Damn you, Illinois! Damnnnnnnn youuuuuuuuuu!
     
  2. drf64

    drf64 Poster Extraordinaire

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    How old are they? No cap lasts forever
     
  3. Luthier Vandros

    Luthier Vandros Tele-Holic

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    Yah, aside from one bad batch of Illinois brand caps that fender used, I have had no negative experiences with them. These are at least 15 years old, so it’s high time for some attention.

    I’m going to test these with the meter later this evening just out of curiosity. Always wondered how leaky caps might spec out.
     
  4. teletimetx

    teletimetx Doctor of Teleocity

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    my eyes are nearly as old as I am. Couldn't exactly tell from the pics, but are we looking at the little nano-mushroom clouds on the lead into the 500V?

    500v cap (2).jpg
     
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  5. Luthier Vandros

    Luthier Vandros Tele-Holic

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    Yes. At first glance, I believe these are leaking. I’ve never seen one leaking like this, normally I see them after they have completely puked on the board. Or I see them with bulging, distorted ends.
     
    Last edited: Jan 14, 2020
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  6. Luthier Vandros

    Luthier Vandros Tele-Holic

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