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RE: Looks to be Dave Gillespie's "Enhanced Fixed Bias" circuit...

The LM337 applies a regulated voltage to the cathodes. Because the adjustment is between ground and B+, variations in B+ are transferred to the regulated output, helping to stabilize current through the tubes when B+ varies. As stated above, this is all explained in great detail on Dave Gillespie's site.





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  • RE: Looks to be Dave Gillespie's "Enhanced Fixed Bias" circuit... - Triode_Kingdom 12/28/1819:20:25 12/28/18 (0)

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