An article about SETI and our favorite dish. From Scientific American:
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Tube Radios • Re: Remote cutoff and sharp cutoff pentode tubes?
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C.R. wrote: ↑
Thu Feb 25, 2021 1:02 am
The Knight Span Master coils do it with high gm 6GM6 pentodes, low gm 6BD6
pentodes, and the very low gm 6DT6. 530K...
1 hour ago
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