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[AMPS] Power supply question

To: <amps@contesting.com>
Subject: [AMPS] Power supply question
From: measures@vc.net (Rich Measures)
Date: Sat, 22 May 1999 20:12:47 -0700


>
>I am planning the power supply for my amp.  One problem is that I have a 115v
>blower (draws 1 amp) and a 115v filament transformer (about 1.3 amps), and 
>I'm possibly going to move overseas where only 240v is available.  I was 
thinking
>about using a plate transformer with a dual voltage primary, and 
>connecting the blower across one half of it and the transformer across the 
other half.  The
>whole primary, of course, would be connected to 240v.  
>
?  Sounds feasable.  Since cathode emissive life varies as (e2/e1)^23.4, 
a rheostat in the fil. transformer pri. would be nice since 
electric-mains voltage regulation in some foreign countries is reportedly 
somewhat less than delightful.  . 
>........
-  later, Vic


Rich...

R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures  


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