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Challenger (Bogen?) CH-30 schematic.

8/7/2003 3:30 PM
Challenger (Bogen?) CH-30 schematic.
Anyone have a schemo for this PA amp? I friend dropped one off and wants me to convert it for guitar use.  
Looks like an interesting tone/presence circuit using negative feedback and a 4-way selector with different caps (ala the tone control on a DC-30).
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