[Amps] RF in the Audio

Carl km1h at jeremy.mv.com
Sat Sep 24 06:31:44 PDT 2011

>From several discussions on the air Ive listened to and on other forums it 
is far from a perfect solution in a real world enviroment.

What works in a lab doesnt mean its good elsewhere.


----- Original Message ----- 
From: "Jim Brown" <jim at audiosystemsgroup.com>
To: <amps at contesting.com>
Sent: Friday, September 23, 2011 9:50 PM
Subject: Re: [Amps] RF in the Audio

> On 9/23/2011 6:03 PM, Rob Atkinson wrote:
>> You don't wind your balanced feed on a torroid for crying out loud, a
>> method I find preposterous, and probably subject to heating and loss;
> You may not have heard about the concept, but it works quite well. DX
> Engineering has done similar things, but don't publish it.  I've done
> considerable work on the topic, and published both the theoretical basis
> and the measured data. Since I've done that in the tutorial, and because
> this reflector is about power amps, I won't repeat the discussion. If
> you open up some of their boxes you can see what they're doing.
> 73, Jim Brown K9YC
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