[Drake] Matching T4x filters for R4C first IF

[WQ9E at btsnetworks.net]

Al,

This modification for the R-4/A/B using the T-4XB filters was also printed in the 70s era ARRL "Hints and Kinks" book.  If you need a copy let me know and I will dig it out.

Rodger WQ9E

-------- Original Message --------
> From: Al Parker <anchor at ec.rr.com>
> Sent: Tuesday, November 06, 2012 7:57 AM
> To: Ka9p at aol.com
> Subject: Re: [Drake] Matching T4x filters for R4C first IF
> 
> Hi Scott, et al,
> 	I have an R-4A which has had this done to it, makes it very nice.  The 
> previous owner didn't like the non-stock idea, a toggle switch on the 
> front panel to change SB's, and maybe didn't appreciate how  nice it 
> was.  So I got it at a good price some yrs ago.  There was an article 
> somewhere, one of the mags 15+ yrs ago I think, I should have a cc in my 
> archives, I'll take a look.  I don't think the term "roofing filter" was 
> in use back then.
> 73,
> 
> Al, W8UT
> www.boatanchors.org
> www.hammarlund.info
> 
> "There is nothing -- absolutely nothing -- half so much
> worth doing as simply messing about in boats"
> Ratty, to Mole
>