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Re: [TenTec] Quiet PWR SUPPLY?

To: tentec@contesting.com
Subject: Re: [TenTec] Quiet PWR SUPPLY?
From: Ynkedragon@aol.com
Reply-to: tentec@contesting.com
Date: Wed, 3 Nov 2004 15:50:08 EST
List-post: <mailto:tentec@contesting.com>
In a message dated 11/03/2004 13:06:28 Eastern Standard Time, n4lq@iglou.com 

<< I want a power supply that makes NO noise. No hum, 
 no fan, just 20-25 amps of 13.8vdc. Any suggestions? Oh yes BTW, I have 
 a TT 262 supply that hums too! Not loud but still, I can hear it. I want 
 silence.  >>

The switchers have fans, I find them noisy.  I have used many Astron linear 
supplies.  I find that if they are located a few feet away from the station 
equipment, on a surface which provides acoustic dampening (like a couple of 
mouse pads), or in a  vented enclosure, that I can achieve the desired "Sound 
of Silence."  You might look at some of the principles of audio studio design 
for some more ideas.

73 Blair k3yd
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