20th Jan 2023, 3:03 pm
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#21
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Octode
Join Date: Jul 2008
Location: Gloucestershire, UK.
Posts: 1,043
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Re: Help ID this unmarked valve
Hello,
There's a circuit and other info for a PL508 amplifier in this old thread.
https://www.vintage-radio.net/forum/...d.php?t=170827
Yours, Richard
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