Also, Garey...did you ever find out why we cannot e-mail direct?? Lee
-----Original Message----- From: kc9cdt <kc9...@aol.com> To: k4oah <k4...@mindspring.com> Sent: Tue, Jan 31, 2012 11:09 pm Subject: Re: [Drakelist] R-4C 2.4 filter bad? Yep... I see it.... An Inrad 2.1 would work nice for Steve... I use a 1.8 a lot. 73, Lee -----Original Message----- From: Garey Barrell <k4...@mindspring.com> To: kc9cdt <kc9...@aol.com> Cc: w1es1982 <w1es1...@earthlink.net>; drakelist <drakelist@zerobeat.net> Sent: Tue, Jan 31, 2012 11:01 pm Subject: Re: [Drakelist] R-4C 2.4 filter bad? Lee - No, the 2.4 kHz filter is under the chassis, along the back wall. I know all about that 'memory' stuff! :-) 73, Garey - K4OAH Glen Allen, VA Drake 2-B, 2-C/2-NT, 4-A, 4-B, C-Line and TR-4/C Service Supplement CDs <www.k4oah.com> kc9...@aol.com wrote: > Steve, > The 2.4 filter plugs into the back....as does the 1.5, .5 or whatever you want in those slots. The > 2.4's are pretty available. > There is a front end filter and I think it is 8khz on the chassis. > I'm going from memory here...whaich may be ok. most of the time....-:) > 73, > Lee > > > > -----Original Message----- > From: Steve Wedge <w1es1...@earthlink.net> > To: Drake List <drakelist@zerobeat.net> > Sent: Tue, Jan 31, 2012 7:11 pm > Subject: [Drakelist] R-4C 2.4 filter bad? > > > I haven't dug into this receiver yet, but it seems to me that the 2.4 kHz SSB filter is bad. > R-4C, late serial number. > > * Using the S-meter, the signal strength of the calibrator is lower in 2.4 by 10 dB, than the > reading in both 1.5 and .5. > * The decrease in gain is solid and not intermittent. Rocking the MODE switch doesn't reveal any > changes. > * It's also a noticeable loss listening on-the-air. > > I see what appears to be the filter on the top side of the chassis, under where the two carrier > oscillator crystals are. Has anyone had any grounding issues with this filter that have fixed a > similar problem? I figure if there's a bad ground, it could affect the insertion loss of this > filter. > > If it's bad, then comes the pain of finding a replacement. If anyone has an extra one for sale, > let me know. > > Steve Wedge, W1ES/4 > > Live free or die: Death is not the worst of evils. > John Stark. > > All my computers have my signature with various pearls of wisdom appended thereto. > > > _______________________________________________ > Drakelist mailing list > Drakelist@zerobeat.net > http://mailman.zerobeat.net/mailman/listinfo/drakelist > > > _______________________________________________ > Drakelist mailing list > Drakelist@zerobeat.net > http://mailman.zerobeat.net/mailman/listinfo/drakelist _______________________________________________ Drakelist mailing list Drakelist@zerobeat.net http://mailman.zerobeat.net/mailman/listinfo/drakelist
