[R-390] TIRED OF READING ABOUT CARDBOARD SPEAKERS
Tim Shoppa
shoppa_r390a at trailing-edge.com
Sat Jan 14 13:44:42 EST 2006
"Cecil Acuff" <chacuff at cableone.net> wrote:
> What are some of the other group members current winter time projects.....
> We'd love to hear about them!
Making a HBR-16 type receiver from scratch is mine. Been tearing through
junker BC-453B's for IF transformers. For those who don't remember,
the HBR-series of receivers were in QST articles in the 60's, and are
dual conversion (1.6MHz first IF and 85kHz second IF, adjust to fit
whatever IF transformers you can find.) Have a nice big Millen dial
and VFO put together already, and have been sweeping out and tweaking IF
transformers for eventual use. qth.net also has the HBR mailing list,
I highly recommend it as well as the HBR site: http://k5bcq.edebris.com/
I know the habit here is to talk about brown beauty caps, but the
paper-caps-in-metal-cans in my BC-453B's make brown beauties look good
in comparison! In many cases the metal cases are leaking green gunk
(or, they have been leaking gunk for a couple decades now.) I didn't
know that paper caps had that much gunk in them!
I still have my project from summer to wrap up too, the yellow-striper
R-390A from Fair Radio. All the modules are cleaned up, recapped,
and re-aligned, and work in my other chassis, but haven't quite put
the banged-back-into-shape chassis from Fair back together yet (there's
actually some banging still to be done on the back panel - the front
panel has been done for half a year now!)
Realistically these projects will stretch into summer too.
Been on the air with my Ten-Tec Triton IV on CW recently. It's sweet
on CW w/break-in, but no tubes!
Tim.
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