Tube Amps / Music Electronics
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|2/14/2003 9:28 AM|
|bobm||Crate Vintage club 50 problem|
hi guys, got one driving me crazy.
Replaced the output tubes and put in a known set of good pre-amp tubes.
After about 25-30 min the unit will muffle and some times cut out for a half a second. Sometimes it hiss/crackles for a sec before two to three "muffled" notes and some times the cut out, and then thats it, then it will run ok.(the duration of the practice session)
Cleaned the channel one/two switch and replaced the switching transistor.
It uses an opp amp in the reverb ckt and has a few driver transistors. Where should I be looking? Any one have a schematic?
|jason I just worked on a friends vintage ... -- 2/14/2003 1:37 PM|
Enzo Check the bypass contacts on the ef... -- 2/15/2003 2:03 PM
Don Symes I know you're looking for VC-specif... -- 2/16/2003 2:38 AM