5150 combo bias mod

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nEztor

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Oct 30, 2007
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Hello!

I need some help. Does anybody know what (resistor number or value) is 5150 combo bias resistor? Is it R114, 47K?

I measured my bias and the value was 22mA. I like to get it "hotter"..i think that sound is still quite "sharp". 5150 combo have different wiring diagram than 5150 head. At last one other question: Have you tried to put a filterchoke on yours 5150's?

Thank you very much!
 

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