[AMRadio] Source Broadcast Xmtrs

Bob Macklin macklinbob at gmail.com
Mon Jun 13 13:34:24 EDT 2011

They also help heat the basement in the winter!

Bob Macklin
Seattle, Wa.
"Real Radios Glow In The Dark"
----- Original Message ----- 
From: "rbethman" <rbethman at comcast.net>
To: "Discussion of AM Radio in the Amateur Service" 
<amradio at mailman.qth.net>
Sent: Monday, June 13, 2011 10:22 AM
Subject: Re: [AMRadio] Source Broadcast Xmtrs

>I might also add that BC-610s and T-213s perform an excellent job on AM.
> Uncle Sam used them on The Armed Forces Network.
> There are those that refer to them as "garbage".  The same ones complain
> about the cost of 100THs, 250THs, and 2A3s.
> I've NOT had a problem getting them, NOR at a decent price.
> They do NOT have any fans, NOR do they need them.  They WILL run 24/7.
> One only needs to learn to tune and use them.
> They will hold a 400W carrier.  You control the modulation.  You CAN
> dial the carrier down.
> So what is wrong with these?
> Bob - N0DGN
> On 6/13/2011 10:30 AM, James M. Walker wrote:
>> Well,
>> I guess the START of this thread, was a Trojan Horse, because I got no
>> response
>> on my offer to sell my RCA BTA1-M, I think maybe it was a Phishing deal 
>> to
>> get this thread going Huh?
>> Jim
>> ----- Original Message -----
>> From: "Brian Harris"<cosmophone at yahoo.com>
>>> One would think that, if an exciter with AM modulation driving a tube or
>>> array
>>> of tubes operating in a linear mode was such a perfect solution, then
>>> manufacturers would have created such beasts to meet the demands of the
>>> many
>>> radio stations that wanting them.  Since plate modulated transmitters 
>>> were
>>> in
>>> fact 'the' preferred broadcast solution prior to the introduction of
>>> semiconductors seems to validate precisely why they are still liked 
>>> today.
>>> Brian Harris, WA5UEK, proud owner of a Collins KW-1 and RCA BTA1R1
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