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[AMPS] Thunderbolt questions

To: <amps@contesting.com>
Subject: [AMPS] Thunderbolt questions
From: 2@vc.net (2)
Date: Tue, 6 Nov 2001 04:46:52 -0800
>
>This is my first post to this group and I hope it works!
>I have a Johnson T'bolt, the hf version and have a few questions. Have not 
>powered it up as yet as it needs a little work. Nothing serious I hope, 
>just the usual for an old piece of equipment. As I get it working, I hope 
>to get some comments/advice from members of the group as I go. First I 
>would like some general comments about the amp. I hope to use it for mostly 
>SSB and some AM. I have heard some comments such as the plate voltage for 
>the 4-400's is a little low for the tubes (2200volts) and such. 

//    2200v is low for 4-400s running SSB.  Is it a G-G config., or 
grid-driven?

>The first 
>thing I am going to do is replace the HV rectifiers with solid state and go 
>from there. I have a whole bunch of other questions but will stop here for 
>now. I am looking forward to getting this thing going and doing any mods 
>deemed necessary for reliable operation. Any comments are welcome.

cheers, Bill

-  R. L. Measures, 805.386.3734,AG6K, www.vcnet.com/measures.  
end


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