[Amps] Using old amps on WARC query

[Pete Smith N4ZR]

I know it has been reported on this reflector that some old amps made 
the mistake (in retrospect) of parking the resonance of the plate RFC at 
24 MHz.  The Ameritron RFC substitution seems like a good idea, just to 
be safe.

73, Pete N4ZR
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ARC V6 or VE7CC DX cluster node.

On 6/30/2013 8:01 AM, Larry wrote:
> I am no expert on this. I have a Dentron Clipperton-L that I had 
> applied the 10M fix to it years ago. But I fried the parasitic 
> suppressors when working WARC bands. At the suggestion of several on 
> the group I changed the RFC over to an Ameritron RFC and suppressor 
> assembly and that fixed the problems. Apparently the original Dentron 
> RFC was not very effective on the WARC bands. Not sure that applies to 
> the DTR-2000.
>
> 73, Larry  W6NWS
>
> -----Original Message----- From: Charles Harpole
> Sent: Sunday, June 30, 2013 7:39 AM
> To: amps at contesting.com
> Subject: [Amps] Using old amps on WARC query
>
> Please anyone can tell me the factors to consider, including burning 
> tank components, when operating old linear amplifiers on the WARC 
> bands, especially 12 meters.
>
> Alpha 76 PAC meaning the 3 tube version.
> TenTec Titan One
> Dentron DTR-2000
> ICOM IC-2KL
>
> All these amps have factory-type conversions to TEN meters already 
> done. The Alpha has the swamping input taken out.  Other than that, 
> all amps are stock.
>
> Thanks for all specific info... 73,
>
> Charles Harpole
> k4vud at hotmail.com
>
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