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Re: [Amps] SB-220

To: <>
Subject: Re: [Amps] SB-220
From: Rick Stealey <>
Date: Fri, 28 Mar 2008 00:14:39 +0000
List-post: <">>

> There seems to be some disagreement on different sites about the best
> mods to incorporate into this amplifier, specifically regarding
> self-oscillation of the 3-500z tubes. 

??????????????    The SB-220 is a stable, well behaved amplifier.
Self oscillation?  
Read QST Sept. 1994 page 71 before you do anything.  Oh, there are things you 
might want to do,
but be sure you read that section as a part of your knowledge base.

Rick  K2XT

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