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[Amps] How to test an 8877 tube

To: <Amps@contesting.com>
Subject: [Amps] How to test an 8877 tube
From: "Drax Felton" <draxfelton@gmail.com>
Date: Fri, 19 Apr 2013 14:52:01 -0400
List-post: <amps@contesting.com">mailto:amps@contesting.com>
How can I test an 8877 tube for an internal short or other issues other than
blowing things up in an amp? 

Perhaps cold or with just the heater on?

 

A simple continuity test doesn't show any connections from plate, to grid,
to the pins.

 

 

Drax  KB3X

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