[Amps] SB220 transformer capability

Carl km1h at jeremy.mv.com
Thu Oct 8 05:49:38 PDT 2009


The SB-220 runs at 800 ma in the SSB position.

Carl
KM1H


----- Original Message ----- 
From: "Steve Flood" <kk7uv at bresnan.net>
To: <amps at contesting.com>
Sent: Thursday, October 08, 2009 7:08 AM
Subject: [Amps] SB220 transformer capability


> Currently I am powering my 3x813 amp with a homebrew power supply built 
> around an SB-220 power transformer.  I have been keeping my plate current 
> to 600 mA based on tube specs, although I've heard I can run the 813s 
> harder than that if desired.
>
> But I am wondering about the capability of the SB-220 transformer.  How 
> much plate current is used in its intended application with two 3-500's?
>
> Tnx,
> Steve KK7UV
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