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Re: [Amps] SB220 "A" mods

To: "Steve Flood" <>, <>
Subject: Re: [Amps] SB220 "A" mods
From: "jeremy-ca" <>
Date: Fri, 28 Mar 2008 14:08:32 -0400
List-post: <">>
Ive never replaced one or heard of a problem. The PS caps are already 
charged and wont discharge much in the time the switch is thrown.


----- Original Message ----- 
From: "Steve Flood" <>
To: <>
Sent: Friday, March 28, 2008 12:35 PM
Subject: Re: [Amps] SB220 "A" mods

> I've often wondered about the "MODE" switch?   It selects the appropriate
> winding tap on the primary for higher voltage SSB or lower voltage CW.
> As you switch from one mode to the other, there is a temporary open 
> circuit
> on the primary as the switch cotactor swings from pole to pole.  Has this
> ever been a problem?
> Steve KK7UV
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