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[AMPS] Leave amps on or off??

To: <amps@contesting.com>
Subject: [AMPS] Leave amps on or off??
From: measures@vc.net (Rich Measures)
Date: Sun, 28 Sep 97 14:28:28 -0800
......
>Is it better to leave an amp on, or turn it off if its not going to
>be in use for a couple hours???  
>
>I usually leave mine on but have been told it weakens the filaments.  I am
>specifically referring to the Drake L4-b and TenTec Centurion both with
>3-500s.
>
>73 Jeff K4JNY ex KQ4HC
>jnyeager@southern.edu

It depends on how much voltage one measures across the filament during 
standby.  Information on useful emission life vs. filament voltage can be 
found in the January, 1994  *QST* article "The Nearly Perfect Amplifier*. 
 
Rich---

R. L. Measures, 805-386-3734, AG6K   


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