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Biasing SS amp - need help

Posted on November 28, 2015 at 08:12:42

Posts: 1228
Location: NJ
Joined: December 11, 2000
Question for the knowledgeable. I understand tube circuits, but SS is a work in progress. If I'm biasing a class A amp and the spec says 1.3-1.9 amps, I'm taking out the rail fuse and measuring from there. Question is, if I'm using the + rail, should I use 1/2 the spec value or full value (say,1.5)?


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RE: Biasing SS amp - need help, posted on December 1, 2015 at 05:04:04

Posts: 333
Location: New Plymouth
Joined: July 9, 2013
The whole amount (not half). Often there will be small-valued resistors that can be used to measure bias - say 0.1R - between the output devices and the output itself.


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