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Old 12th February 2014, 02:30 PM
Dwjames Dwjames is offline
Junior Member
Join Date: Feb 2014
Location: Birmingham
Posts: 14
Question CCS Mod for a KEL84, anyone got details?

Hi all,
I've had a good search and a read of the forums here and I'm interested in going for a Constant Current Source for the EL84 cathodes in my KEL84, but although I can see reference to it a few times, some of the links are dead which makes it hard to follow up on....

Does anyone here these days have experience with modding a KEL84 to run CCS using an LM317 as per the diyparadise Simple EL84 design?

I know some tried it and found good results, but with the side effect of clipping at higher than regular class A volumes, but there's even a proposed workaround for that on the tubecad blog here

Can anyone help or point me in the right direction?
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