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Re: [Amps] Alpha 86 / 89 Plate RFC

To: Robert W5AJ <>, <>
Subject: Re: [Amps] Alpha 86 / 89 Plate RFC
From: gudguyham via Amps <>
Reply-to: gudguyham <>
Date: Tue, 26 Jan 2021 16:17:27 +0000 (UTC)
List-post: <>
The new 8410 amplifier which is just a newer version of old design move over to 
the Ameritron plate choke to eliminate the old design.

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On Tuesday, January 26, 2021, 11:07 AM, Robert W5AJ <> wrote:


The Alpha 86 and 89 use a Home brew relay/Flapper scheme in HV path to short
out part of HV Plate choke 


RF Parts sells RFC that all indications can replace the existing choke and
remove the flapper


Has anyone changed out the plate choke to eliminate the shorting flapper? 


Saw article where author rolled his own and removed the flapper 





Midland, Texas


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