[AMRadio] Has anyone built a linear using a 6c21 or 750TH?

Joe Crawford crawfish at surfmore.net
Sat Jun 21 10:29:49 EDT 2008

Max, I will e-mail an article from CQ in the 1950's about the use of 6C21's 
in an amp.I think it was called the 100-Watt Contest Special.
                                                                   Joe W4AAB
----- Original Message ----- 
From: "AirRadio" <AirRadio at dsl.pipex.com>
To: "Discussion of AM Radio in the Amateur Service" 
<amradio at mailman.qth.net>
Sent: Saturday, June 21, 2008 8:37 AM
Subject: [AMRadio] Has anyone built a linear using a 6c21 or 750TH?

> Has anyone built a linear using a 6C21 or 750TH, I found one of these, 
> sadly heater o/c in a hamfest recently and thought it might make a great 
> project if I could find a bit more about it and a working example, so if 
> you have a 6C21 or a 750TH in your junk box then I would be interested in 
> making it into a project amp. It would go well with my BC-610, ART-13 and 
> other boatanchor radios.  73 Max M0GHQ
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