[Boatanchors] LINE VOLTAGE, FILAMENT VOLTAGE and SANITY
Richard Knoppow
1oldlens1 at ix.netcom.com
Tue Jan 6 22:43:03 EST 2015
----- Original Message -----
From: "Gary Peterson" <kzerocx at rap.midco.net>
To: <boatanchors at mailman.qth.net>
Sent: Tuesday, January 06, 2015 5:44 PM
Subject: [Boatanchors] LINE VOLTAGE, FILAMENT VOLTAGE and
SANITY
> “It is well know in the broadcast industry that excessive
> heater voltage
> _greatly __reduces_ tube life.
> Ray, W4BYG”
>
> Having worked in the technical end of radio for 50 years,
> this next month, I can verify the validity of this
> statement.
>
There is an interesting paper on high power tubes at:
http://www.ok1rr.com/tubes/burle/Techniques-to-Extend-the-Service-Life-of-High-Power-Vacuum-Tubes.pdf
--
Richard Knoppow
Los Angeles
WB6KBL
dickburk at ix.netcom.com
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