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Re: [Amps] SB 220 with 3 400 tubes

To: "WLI" <lgp@wlionline.com>, <amps@contesting.com>
Subject: Re: [Amps] SB 220 with 3 400 tubes
From: "Carl" <km1h@jeremy.mv.com>
Date: Mon, 27 Apr 2009 14:43:44 -0400
List-post: <amps@contesting.com">mailto:amps@contesting.com>
The operational differences are minimal for CW/SSB and that swap was 
done several times. You lose 200W Pd which may be critical for RTTY, 
digital, and AM.

Carl
KM1H


----- Original Message ----- 
From: "WLI" <lgp@wlionline.com>
To: <amps@contesting.com>
Sent: Sunday, April 26, 2009 4:39 PM
Subject: [Amps] SB 220 with 3 400 tubes


>I am looking a purchasing an SB220.  I have two to choose from.  One 
>has a
> pair of 3 400 tubes and the other has 3-500's.  The one with 3 400's 
> looks
> cleaner but I am not sure if the tubes are equal.  Can some one tell 
> me if
> the amp with the 3 400's is as good or if there are any problems with 
> this
> substitution.
>
> Thanks
>
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