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Restoration73 · 9th Jul 2019, 2:40 pm

Many output valves need to be derated when used as dc regulator, and EL86 would be
a better choice; https://frank.pocnet.net/sheets/129/e/EL86.pdf

I would tend to use an EL34 or even a KT66 if you have the space.

9th Jul 2019, 2:40 pm	#4
Restoration73 Nonode Join Date: Jun 2013 Location: Surbiton, SW London, UK. Posts: 2,801	Re: Maximum cathode current for an EL84? Many output valves need to be derated when used as dc regulator, and EL86 would be a better choice; https://frank.pocnet.net/sheets/129/e/EL86.pdf I would tend to use an EL34 or even a KT66 if you have the space.