They like it very much when high mu connected with all grids grounded.
My L4B run a pair of them for more then 20 years without any trouble.
I am using 4-400G by Amperex.
73
Peter
-----Original Message-----
From: amps-bounces@contesting.com [mailto:amps-bounces@contesting.com] On
Behalf Of Tyrone Burns Sr.
mark, gongrats on the acquisition!!! as far as the 4-400s' . don't try
replacing the 3-500s' with them.
the 4-400s'a are screen grid tubes and the 3-500s' are grounded. the 4-400s'
don't like grounded grid configuration.
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