[AMRadio] GG 813 Linear in GE Ham News


ronnie.hull ronnie.hull at glowbugs.com
Wed Sep 28 05:57:23 EDT 2005


Bill I would love a copy of that particular GE Ham News!
Thanks

Ronnie



---------- Original Message -----------
From: doxemf at aol.com
To: amradio at mailman.qth.net
Sent: Wed, 28 Sep 2005 01:25:23 -0400
Subject: [AMRadio] GG 813 Linear in GE Ham News

> Hello All,
>  
> The thread on final circuits has been great to follow especially 
> with the mention of 813's. It is still a very cost effective tube 
> and in good supply NOS since the audio crowd has yet to make much 
> use of them.  I have a copy of GE Ham News from Nov-Dec 1959 that 
> features a "Kilowatt Grounded-Grid Linear Amplifier" to quote the cover.
>   It uses a pair of 813s GG with a standard Pi Net output 
> configuration 5 band switched 80 -10 mtrs. Looks real easy to build 
> and with the exception of the B&W filament choke FC-15, I have most 
> of the needed parts or can find them. The construction article is 
> well documented and pictured.  Is anyone is familiar with this 
> amplifier or better yet knows of one being built? If 160 meters 
> would be easy to extend to with more L & C where needed then it 
> would work well for anyone with a good drive source. For those that 
> do not have the Ham News Issue I can scan a copy and e-mail it.
>  
> Thanks for any info,
> Bill  KB3DKS/1
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------- End of Original Message -------




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