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[Amps] al811h reverse grid current

To: <Amps@contesting.com>
Subject: [Amps] al811h reverse grid current
From: Kurt Cathcart <Kurt@KuhlRoad.net>
Date: Fri, 20 Feb 2026 19:10:14 -0500
List-post: <mailto:amps@contesting.com>
Several months ago a seem to have a 572b go bad.  I replaced it and also replaced the resistors with GDTs (amoung other mods).

Now I'm getting reverse grid current and the GDTs and lighting up.  I put in a net set of 572b and am getting the same thing, The view of my Sockets matches the picture on the Instructions .

Advice?


-Kurt


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