[R-390] Subject: Re: R-390 Audio Transformer

chacuff chacuff at cableone.net
Sun Apr 22 21:25:23 EDT 2012


Are you guys so bored that this is all you have to do?

Dang go fix something...make a positive contribution...

Cecil
K5DL
----- Original Message ----- 
From: "2002tii" <bmw2002tii at nerdshack.com>
To: <R-390 at mailman.qth.net>
Sent: Sunday, April 22, 2012 8:08 PM
Subject: Re: [R-390] Subject: Re: R-390 Audio Transformer


> Bob wrote:
> 
>>Apparently some do not know about widely varied steel compositions.
> 
> Both I and other posters have direct experience with the Radio Shack 
> transformers.  In any case, "low efficiency" for such a transformer 
> due to the manufacturer's choice of core material would not be so low 
> as to be noticeable by ear, particularly at the low audio power level 
> delivered by a 390A relative to the 10 W rating of the 
> transformer.  Which (again) would be known by anyone who knows 
> anything about how transformers work.  Obviously, some do not.
> 
> Best regards,
> 
> Don
> 
> 
> Copyright (c) 2012.  Not for redistribution
> 
> 
> 
> 
> 
> 
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