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need schem for EH 12ay7 preamp Effects Pedals, Units & Accessories
Old 3rd September 2007
  #1
Gear Head
 

Unhappy need schem for EH 12ay7 preamp

anyone happen to have a schematic for the electroharmonix 12ay7 preamp ?

I have one that has developed a bad buzz on the output; EH are being hopeless with thier customer service so far. i need soem help tracking the fault down.

cheers and sorry to bother yuo all !

G.
Old 4th September 2007
  #2
Lives for gear
 

Hi
Old valve gear hardly needs a schematic to repair things. It should be easy enough to trace it out yourself but as a starter, check that all the electrolytic caps are in a decent condition (or replace).
Matt S
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