[AMRadio] Johnson trannies...

[Brian Harris]

Rick,

One of the common modifications (improvements) to the Ranger is to remove the 
driver transformer and replace it with a phase inverting system.  The 
information concerning it and other modifications is available here:

http://www.amwindow.org/tech/htm/rangtron.htm  

 Brian Harris, WA5UEK
phone 214-763-5977
email cosmophone at yahoo.com
website www.myhamshack.com/wa5uek
http://groups.yahoo.com/group/nationalradio/


It is far better to grasp the universe as it really is than to persist in 
delusion, however satisfying and reassuring.  -Carl Sagan




________________________________
From: Rick <rickb at tx.rr.com>
To: Discussion of AM Radio in the Amateur Service <amradio at mailman.qth.net>
Sent: Thu, June 2, 2011 11:03:30 AM
Subject: Re: [AMRadio] Johnson trannies...

Great idea, Bob! Leave it to me to overlook the obvious way to find out.
According to the manuals I have the Valiant and Ranger low voltage chokes
are identical. The modulation driver transformer, however, is different. Now
the search begins for the driver... 

Thanks, 
Rick / K5IAR

-----Original Message-----
From: amradio-bounces at mailman.qth.net
[mailto:amradio-bounces at mailman.qth.net] On Behalf Of rbethman
Sent: Thursday, June 02, 2011 8:55 AM
To: Discussion of AM Radio in the Amateur Service
Cc: Rick
Subject: Re: [AMRadio] Johnson trannies...

Rick,

I'd suggest getting both manuals.  Then compare part #s.

That "should" get one a better idea.

The other idea would be to send a msg to Gary Harmon and ask him, as he 
rewinds transformers.

Bob - N0DGN

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