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Re: [Amps] Neutralizing Dentrons

To: "Amps Amps" <>
Subject: Re: [Amps] Neutralizing Dentrons
From: "Tom W8JI" <>
Date: Sun, 25 Jun 2006 19:39:07 -0400
List-post: <>
>> 1.) Heath and Gonset did not make any more four parallel
>> tube amps using tubes with high feedthrough capacitance.
>> They had no reason to put it in other amps.
> Valid point, Tom, but Heath used the 572B in a subsequent 
> amplifier  and they chose not to use RCA's g-g 
> "neutralization" circuit.

What four tube amp was that Rich? I can't seem to recall it 
even though I did various RF designs for Heath.
Who at Heath told you they chose not to use it for the 
reasons you mentioned? 

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