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RE: Leslie Amps - Unusual Configuration

Posted by Alpha Al (P) on October 23, 2016 at 10:05:32

In Reply to: Leslie Amps - Unusual Configuration posted by Triode_Kingdom on October 22, 2016 at 07:24:33:

I've services hundreds of those, but never noticed the VR tube is in series with the screen supply.

There used to be a mod some people did on Dyna ST70's and HH Scott integrated amps where a diode was placed in series between the plate supply and the screen supply. The idea was to prevent the front-end supply from collapsing when the plate supply sagged under load.

I wonder if that was their intention?

Can a VR tube act as a diode?

Edits: 10/23/16

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