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Re: [Amps] Alpha 76PA Conversion - Drive Issue

To: "'Jeff DePolo'" <>, <>
Subject: Re: [Amps] Alpha 76PA Conversion - Drive Issue
From: "Peter Voelpel" <>
Date: Thu, 2 Dec 2021 22:19:23 +0100
List-post: <>
Indeed, 2.5KV were specified in the preliminary data sheet from 1983.

Peter, DJ7WW

-----Original Message-----
From: Jeff DePolo [] 
Sent: Donnerstag, 2. Dezember 2021 21:31
To: 'Peter Voelpel';
Subject: RE: [Amps] Alpha 76PA Conversion - Drive Issue

> Eimac specified a maximum of 2250V.
> 73
> Peter

Yes, and it seems that limit was adhered to by amateur amplifier
manufacturers about as well as speed limits are obeyed here in the US  :-)  

As others have said, I think Steve would find a significant improvement in
gain with higher plate voltage, with 2.5 kV or so being a good target.
                                        --- Jeff WN3A

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