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9th October 2012, 06:39 PM
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diyAudio Member
Join Date: Dec 2011
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Trouble with Silver to Black face twin mod.
Blackfacing a Push/Pull Master Vol., mid 70's twin Reverb. Swapped all parts and values. Dug out the push pull circuit and associated parts. Got it looking like and AB763 layout. Here's the trouble.
Both normal and Vibrato channels are super quiet with a fair amount of break up at higher settings. Im talking Barely audible. Im thinking it's in the driver circuit. Any Ideas, has anyone ever converted a Twin with the push/pull volume? Any insight would be a great help. Thanks!! Here are the schematics: http://ampedia.redbeartrading.com/da...b763_schem.gif http://www.thevintagesound.com/ffg/s..._100_schem.jpg |
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