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Re: [Amps] Ameritron al80a

To: "Vic K2VCO" <>, "Wayne Smith" <>
Subject: Re: [Amps] Ameritron al80a
From: "jeremy-ca" <>
Date: Mon, 17 Mar 2008 08:24:40 -0400
List-post: <">>
Unwind about 4 turns and youve moved the resonance.


----- Original Message ----- 
From: "Vic K2VCO" <>
To: "Wayne Smith" <>
Cc: <>
Sent: Monday, March 17, 2008 1:30 AM
Subject: Re: [Amps] Ameritron al80a

> Wayne Smith wrote:
>> I burned up the top of the plate choke on my al80a trying to load up
>> on 17m.Still loads up on the other bands. I am wondering if I could
>> replace it with the plate choke from the al80b which is available
>> from Ameritron. I suspect that they are the same.
> The AL80B choke is designed to move the series resonance away from 17m. 
> It should work and avoid this problem. It wouldn't hurt to check it in 
> place with a grid dip meter, if you have one available. Temporarily 
> connect a direct short across it (amplifier turned off, of course) and 
> any resonance should be at least 1 mHz away from the ham bands.
> -- 
> 73,
> Vic, K2VCO
> Fresno CA
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