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Epifani UL 112 tweeters

Discussion in 'Amps and Cabs [BG]' started by stringsmith, Nov 13, 2010.


  1. stringsmith

    stringsmith

    Apr 7, 2005
    Hello all, I have 2 Epifani UL 112 cabinets that I power with a Little Mark II head. Some time ago one of the tweeters stopped working. I ordered another one from Nick at Epifani and installed it and it still didn't work. Well, I sort of let it go and relied on the tweeter from the other one. Just recently the other one went. Now I have no high end sizzle and I can't live without that. I recently pulled out one of the tweeters and replaced it with one from my SWR goliath Jr. cab and that one doesn't work either (and I know that one works in the Goliath) . I'm at a loss. I don't see a fuse anywhere on the back panel. Has anybody had this issue? Any help from the great minds on this site would be awesome!
     
  2. Many cabinets have a light bulb for tweeter protection. If it blows it needs to be replaced. It's normally mounted on the crossover board. try removing the back plate and take a look.
     
  3. will33

    will33

    May 22, 2006
    austin,tx
    +1

    That's the most likely thing. If that doesn't fix it, the capacitor may be bad.
     
  4. stringsmith

    stringsmith

    Apr 7, 2005
    I don't see a light bulb anywhere on the back panel. Maybe it is a capacitor. Looks like a trip to a repair shop. :-( This must be a defect to have 2 tweeters blow on what is otherwise a rugged high end cab.
     
  5. will33

    will33

    May 22, 2006
    austin,tx
    It should have a little lightbulb fuse in there somewhere. If it doesn't, I would add one during the repair.

    What else is on the circuit board? Maybe an inductor, maybe 2?

    A capacitor should only be a couple-few bucks if you can solder one in yourself.
     

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