Mystery tube

Mike Morris WA6ILQ morris at COGENT.NET
Tue Jan 29 22:08:32 EST 2002


One of my dads old stories was that when he was a kid his ham TX
had a pair of 45s (he thinks) in push pull with the bases removed,
mounted upside down and submerged in oil.
He claimed that as long as you didn't keep the key down too long
you could run 20 or 30 watts of CW.

Mike WA6ILQ

At 12:26 PM 1/26/02 -0800, you wrote:
>Hi Peter:
>
>The UX245 is almost certainly a "45" type tube, which should be in one of
>your old manuals.  It's a triode power amp, good for 2 watts output, and
>was used as an audio output tube in many radios of the 20s and early
>30s.  I can't find the 283 anywhere either, but I'd be willing to bet it's
>an 83 rectifier, which should also be in your old manuals.
>
>Keith
>
>"Peter J. Havens" wrote:
>
> > Hey Guys:
> >     This isn't "Heath", but it does have me stumped: I was working on
> an old receiver last night. Needed to replace a tube, so went out to my
> storage barn and found an old box of tubes I hadn't seen in years. They
> were old tubes that my dad had kept when he was doing TV and radio repair
> back in the early 1950's. Sure I found some familiar numbers, but then these:
> > a "283A" and a "UX245", both made by Westinghouse, both 4-prong,
> bakelite base, about 5 inches tall. I can't find them in my 1973 RCA tube
> manual, any substitution manual, Antique Electronic Supply catalogs,
> nowhere. I'm guessing they gotta be 1920's era. Any ideas, guys (they
> sure look neat; maybe I'll make a little lamp out of one)?!
> >      Just
> wondering....
> Peter Havens
> >
 >                           KA2SQJ

-----------------------------------------------------------
This list is a public service of the City of Tempe, Arizona
-----------------------------------------------------------

Subscription control - http://www.tempe.gov/lists/control.asp?list=HEATH
To post - HEATH at LISTSERV.TEMPE.GOV
Archives - http://interactive.tempe.gov/archives/HEATH.html




More information about the Heath mailing list