[R-390] CL80....

[jlap1939@yahoo.com]

Friends,

If someone could drop me a short reply sometime...

I already had my radio IN the rack, and so I put the
Keystone thermistor in the "brute force" line filter I
made, (this was a few yrs ago, after my switch stuck,
and by a stroke of luck, came back apart with a bit of
tapping on the front cover...! I put the thermistor in
RIGHT THEN...)

All has been fine, but I often worried about the new
limits it might face, as due to the location, the four
tube Teleregister receiver amp/monitor I use runs
through the same filter..(The filter has four
outlets...). Now I have had to add a 40 W light, as
the location is changed slightly, and I needed more
light to read...The amp/mon is a four tube VTVM unit,
with a very large low pass filter, and a series of
line filters.

To be honest, there have been times when I have turned
on the SP 600 while the 390 was still on, as well as
the tele. amp...(In order to warm up the 600, as it
drifts for a half hr or so...to start with..) In other
words, all this can at times run through the one
thermistor...How Bad is that???

This is probably too much load. huh?..What about just
the 390 (or 600), and the amp...Sorry to say I still
don't relate amps and watts, and voltage very
well..(well...I mean not at all, in fact....?) Don't
even know the amps for the thermistor, (In my "little"
mind I seem to remember 3 amps, maybe???) Also,
another subject:


Someone asked about backlash and accuracy for SSB
tuning, as they were not able to get as close in freq.
readout as I said I do..If in fact, you have worn
teeth, or loose or missing sgrings in your gear train,
it will be too much backlash for the 1 to 2 hundred
hertz readout I get..(Thought I would mention this as
others may have run into it..  !  Of course you can
blaspheme and add an electronic readout....)...

By the way, who elses' SP 600 drifts from cold to full
warm?.. My 390 doesn't drift enough to notice..I can
cut it off on say, 3927  (!!!) (SSB set-up)...come
back the next evening, and it is right where I left
it, cold as a  house ...and doesn't change as it warms
up ...(390 non a...remember...) Thats hard to beat..

My Regards to the list..John  (JLAP)

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