They're made (or were made) by Siemens.
73, Jerry K0TV
----- Original Message -----
From: "Byron Tatum" <email@example.com>
Sent: Sunday, December 25, 2005 10:30 PM
Subject: [Amps] SVP's
> Can anyone direct me to a source for the "SVP"'s for use on the screen
> grid of a tetrode ? I believe they were used by W2GN in his tetrode
> amplifiers and I bought a few from Connie when he took over ARCOS, but I
> never knew who made them. They appear to be a spark-gap type device.
> Thanks, WA5THJ.
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