You have to realize that when this amplifier was built power was measured as
plate input power and not output.
These tubes were rated for 225 Watts plate input max in class C each CCS.
So 500 Watts plate input power for a pair is possible. However, max frequency
at full rating was 15MHz
73
Bill wa4lav
________________________________________
From: Amps [amps-bounces@contesting.com] on behalf of Jim Hargrave
[w5ifp@gvtc.com]
Sent: Wednesday, January 29, 2014 4:11 PM
To: amps@contesting.com
Subject: [Amps] Fwd: Re: Weird tubes in an amplifier
Mark,
The VT4C is a Army designation for the 211 tube. Google it and you get
several hits
I sent you a PDF file.
Jim w5ifp@gvtc.com
On 1/28/2014 9:24 PM, Mark wrote:
> Just when I thought I had heard of almost every type of tube in an amplifier,
> I talked to a ham that has 2 VT4C's in an older home brew amplifier he has
> for sale. It's a really big amplifier. He thinks it puts out about 500 watts.
> I've never heard of this tube before. Is it worth getting anything this big
> for 500 watts? Can anything be substituted in place of these tubes? Its
> running 866's for rectification. I haven't seen it yet but may drive an hour
> to go take a look. Thanks for any feedback you guys might have on this tube.
> Appreciate it..
>
> 73
> Mark
> W0NCL
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>
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