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Old 28th Nov 2022, 7:47 pm   #6
paulsherwin
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Location: Oxford, UK
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Default Re: Combined power-pentode and double-diodes?

Pye made loads of them in the 50s (they were keen on short superhets in the octal era too). Their designs were initially mixed B8A/B9A arrangements with an EL41 for output, but I think they also used EL84s later on. They perform quite well.

https://www.radiomuseum.org/r/pye_p43p_4.html
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