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Boater Sam · 5th Mar 2018, 3:26 am

It's the single ended stacked push pull circuit that was discussed last week but with 2 PL84 instead of an EL84 and an EL86.
See post 11 https://www.vintage-radio.net/forum/...nded+push+pull

The Mullard info sheet lists this configuration but with an EL84 and either a PL84 or a UL84, the EL84 being higher voltage than the other valve used.

EL86 info shows this use.

5th Mar 2018, 3:26 am	#2
Boater Sam Banned Join Date: Dec 2013 Location: Middlewich, Cheshire, UK. & Winter in the Philippines. Posts: 3,897	Re: Interesting TV audio amplifier. It's the single ended stacked push pull circuit that was discussed last week but with 2 PL84 instead of an EL84 and an EL86. See post 11 https://www.vintage-radio.net/forum/...nded+push+pull The Mullard info sheet lists this configuration but with an EL84 and either a PL84 or a UL84, the EL84 being higher voltage than the other valve used. EL86 info shows this use. Last edited by Boater Sam; 5th Mar 2018 at 3:31 am. Reason: Added