Probably gas.
Be careful. The tube will eventually short and take out parts in the
amplifier. Most likely meters (if not PROPERLY protected, meaning not simply
diodes across the meters) and other parts.
Which amplifier?
73 Jim W7RY
-----Original Message-----
From: Amps [mailto:amps-bounces@contesting.com] On Behalf Of Paul Baldock
Sent: Tuesday, July 24, 2018 6:46 PM
To: amps@contesting.com
Subject: [Amps] Blue glow in a 3-500Z
Has anybody seen a blue glow in a 3-500Z that remains there when the power
is turned off for a few minutes?
- Paul KW7Y
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