[Amps] Re GS-35B hours..

Carl km1h at jeremy.mv.com
Sun Dec 20 19:51:24 PST 2009


It works well on filament tubes also.

Carl
KM1H


----- Original Message ----- 
From: "Ron Youvan" <ka4inm at tampabay.rr.com>
To: "amps" <amps at contesting.com>
Sent: Saturday, December 19, 2009 9:56 PM
Subject: Re: [Amps] Re GS-35B hours..


>> One thing that users of external anode power tubes might consider is
>> filament voltage. My experience in commercial FM broadcast rigs is that
>> running a PA tube at it's rated filament voltage from day one is a
>> guaranteed way to shorten tube life.
>
>   Filament power management.  Good for indirectly heated cathodes.
> -- 
>    Ron  KA4INM - Of what you see in books, believe 75%.  Of newspapers, 
> believe 50%.
>                  And of TV news, believe 25% --
>                  make that 5% if the anchorman wears a blazer.
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