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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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In Reply to: RE: Bias source from B+ or seperate trans, which is better? posted by DAK on August 8, 2014 at 15:35:06:
You don't tap off the B+ for bias. You tap off the AC and rectify that.
Bias will appear immediately.
The biggest advantage to tapping off the HV AC is that bias will follow the tubes current draw quite well, protecting the output tubes. The biggest disadvantage is the potential for noise. In PP that noise will cancel in the output transformer, however in single ended amps, bias needs to be fairly quiet.
Dan Santoni
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- RE: Bias source from B+ or seperate trans, which is better? - Blackdog 05:32:45 08/09/14 (0)
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