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[Amps] Testing Tubes with a Henry 2K

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Subject: [Amps] Testing Tubes with a Henry 2K
From: Brett Sims <>
Date: Sat, 21 Aug 2021 21:24:46 -0500 (CDT)
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I have three used 3-500Z tubes I'd like to test.  Can I safely test them one at 
a time in a Henry 2K?       My thought is this will allow me to better classify 
each tube individually and perhaps better match two of the tubes.  Providing 
the tubes prove useable.

Not sure it matters, but the Henry has had the HV power supply upgraded with 
new electrolytic caps and the rectifier tubes replaced with high voltage 
"potted" diodes. 

Any thoughts or comments?

Thanks  Brett  N5SQK
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