Hopefully I get it on my pitiful bench this weekend, and start taking a look at things.
Suppose I should finish recapping my AN/URM-25D (or F, I have both), I'll probably need it if I can figure out how to use it properly. On Tue, Aug 12, 2025, 22:49 Jacques Fortin <jacque...@videotron.ca> wrote: > In a way, that's good news ! > Mine was completely dead when I find it. > It came back alive after about 30 hours of work put into. > Do not worry for the 4kC and below being silent: no mechanical filters > that could fail in there, only coils and passive parts. > After a complete cleanup, restoration and alignment, performance will be > at par with any R-390A. > You only need a LOT of patience and the will to "resurrect" it. > And yes, it's a work of love ! > > 73, Jacques, VE2JFE in Montreal > > -----Message d'origine----- > De : r-390-boun...@mailman.qth.net <r-390-boun...@mailman.qth.net> De la > part de Adam Morehouse > Envoyé : 12 août 2025 22:17 > À : R-390 Mailing List <r-390@mailman.qth.net> > Objet : Re: [R-390] First time R-390 Owner > > Well, I tried it out tonight. Brought it up slow on my variac. > > It plays pretty well using my Kiwa MAP. I also have a speaker hooked up, > and the audio is very low - unless I turn the BFO on, then its very loud. > > The Line Meter also doesn't move unless the BFO is on, and the filters > below 4KC are dead (little bit of static..). > > So it's working, but needs some love. Might just be me, but it seemed a > lot easier to tune in some SSB on 40m versus my 390A. > > > > > On Tue, Aug 12, 2025 at 8:12 PM David Wise <d44617...@hotmail.com> wrote: > > > I had a snap crackle pop that turned out to be a wire wrapped around a > > sharp corner and shorting. It was an IF amp screen supply. Take a > > close look. > > ------------------------------ > > *From:* r-390-boun...@mailman.qth.net <r-390-boun...@mailman.qth.net> > > on behalf of Barry <n4...@knology.net> > > *Sent:* Tuesday, August 12, 2025 3:07 PM > > *To:* Norman Ryan <nnry...@yahoo.com> > > *Cc:* R-390 Mailing List <r-390@mailman.qth.net>; Adam Morehouse < > > morehous...@gmail.com> > > *Subject:* Re: [R-390] First time R-390 Owner > > > > Yes, snap, crackle, and pop is fun when it comes to your breakfast > > cereal > > - not so much when it comes to your radio. > > > > 73, > > Barry - N4BUQ > > > > > Hi, Adam, > > > > > If the receivers have not been powered up lately, it's a good idea > > > to > > soft-start > > > them with a variac. Hook it up to your radio and gradually increase > > > the > > voltage > > > from zero to no more than, say, 115Volts. Then look and listen for > > anomalies. > > > > > As a matter of course I routinely soft-start my receiver. Like us > > > older > > folks, a > > > gentle start helps a whole lot (nudge nudge wink wink)! > > > > > Have fun! > > > Norman > > > > > On Tue, Aug 12, 2025 at 11:46 AM Barry < [ mailto:n4...@knology.net > > <n4...@knology.net> | > > > n4...@knology.net ] > wrote: > > > ___________________________________________________________ > > > R-390 mailing list > > > Home: [ http://mailman.qth.net/mailman/listinfo/r-390 | > > > http://mailman.qth.net/mailman/listinfo/r-390 ] > > > Help: [ http://mailman.qth.net/mmfaq.htm | > > http://mailman.qth.net/mmfaq.htm ] > > > Post: mailto:R-390@mailman.qth.net <R-390@mailman.qth.net> > > > > > This list hosted by: [ http://www.qsl.net/ | http://www.qsl.net ] > > > Please help support this email list: [ > > > http://www.qsl.net/donate.html | http://www.qsl.net/donate.html ] > > ______________________________________________________________ > > R-390 mailing list > > Home: http://mailman.qth.net/mailman/listinfo/r-390 > > Help: http://mailman.qth.net/mmfaq.htm > > Post: mailto:R-390@mailman.qth.net <R-390@mailman.qth.net> > > > > This list hosted by: http://www.qsl.net Please help support this email > > list: http://www.qsl.net/donate.html > > > ______________________________________________________________ > R-390 mailing list > Home: http://mailman.qth.net/mailman/listinfo/r-390 > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:R-390@mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > > ______________________________________________________________ R-390 mailing list Home: http://mailman.qth.net/mailman/listinfo/r-390 Help: http://mailman.qth.net/mmfaq.htm Post: mailto:R-390@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
