[Collins] 75A2 / 75A3 mixer modification

[David Edsall]

Hi Jerry and the group,

I don't have the issue here, but I do have a reference to an article in QST 
for July 1955, p. 25, re: modifications to the 75A-2 and 75A-3 receivers. 
Could that be the one?
73,
David W1TDD

----- Original Message ----- 
From: "Dr. Gerald N. Johnson" <geraldj at ispwest.com>
To: <collins at mailman.qth.net>
Sent: Tuesday, June 27, 2006 10:35 AM
Subject: Re: [Collins] 75A2 / 75A3 mixer modification


> On Mon, 2006-06-26 at 18:56 -0700, Glen Zook wrote: I had an inquiry about 
> a 75A3 that has had the first mixer changed out from the 6BA7 to a 12AT7. 
> <snip>