In Reply to: D3a vs 417A posted by Tube_Maniac on March 17, 2017 at 07:07:23:
The D3a is a great tube. If you want to build with it, great, but use a circuit designed for it. The above circuit is for a 417.
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Topic - D3a vs 417A - Tube_Maniac 07:07:23 03/17/17 (3)