In Reply to: OTL with smaller output tubes posted by tesla on November 4, 2007 at 15:46:26:
Futterman's first OTL utilized the 12B4, and Transcendent makes a couple of OTLs that utilize the 6C19pi.
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Follow Ups
- miniature triode OTLs - Jim Dowdy 11/5/0707:01:16 11/5/07 (0)