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Crate CV3112 crackling noises

1/25/2006 8:25 AM
LewCrate CV3112 crackling noises
Hi, my Crate V3112 with the 'Tubby' speaker starts creating lots of crackling/poppin' noises only in it's clean channel after 1 hour of warming up/playing time.  
The disto channel is ok.Swapping tubes and 1st tube's  
cheesy plate resistors did not fix it.Unfortunately there's no actual schemo available, only the old one,which is quite different.  
Any help much appreciated,  

jaysg Is this one of the newer ones? The... -- 1/25/2006 12:39 PM