"Paul E. Cater" wrote in message
...
Radiosrfun wrote:
You could be right, I'm only going on "fleeting" memory.
I do recall though - seeing a few "metal" tubes in High
School shop class way back when - and as I said, I am
sure I have a metal tube or two in my stock. As to the
number, who knows! I do know - about 14 years ago - I
smashed a LOT of tubes used in older radios of the 40s
and so - and more so of car radios and tvs. Try as I
might to get rid of them then, no luck. E-Bay was not yet
born - DAMNED! Now I have to look in my tube stock, the
curiousity is getting to me.
"826" wrote in message
...
Hi,
It was only made with a glass envelope. Some had metal
bases.
Vern
"Radiosrfun" wrote in
message
...
Steel or other sort of metal, i'm not sure - seems to
me - there was in fact a metal 6SN7. I further believe
I have one in my stock of tubes - somewhere. IF I can
find time to look - and do find one - will send the
interested party - a photo of it.
"Henry Kolesnik" wrote
in message
. ..
I've never seen or heard of a steel 6SN7 and I started
with tubes in the early fifties. Now you have me
wondering about metal tubes and except for 6L6 most
were real popular in car radios and 5 tube ac dc, also
military. Does anyone recall the first metal tube, who
made it, why and what they touted as their advantage
other than it wouldn't break if dropped. I also
recall a real hi power amp being made with 6L6s that
were cooled by them hanging udside down from the
chassis in a bowl of water and others immersed them in
oil.
--
73
Hank WD5JFR
"Theo" wrote in message
...
Regarding the "all metal" tubes series by RCA,
can anyone tell me if there was ever a metal version
of the 6SN7?
I cannot find any reference on the web.
Any help would be greatly appreciated.
Here is a link to an old "Woodie Deluxe" circa 1946 to
1948 that came with a metal 6SN7 as the preamp.
http://www.ampwares.com/ffg/deluxe_woodie.html
This next link shows a guy that had 10 of them for sale.
http://listserv.tempe.gov/admin/WA.E...=-3&S=&P=46879
Here is a quote and link to a store that has them in
stock.
"Whether you need a specific nuvister, or the
metal version of a 6SN7, we've got it in stock."
http://www.wizardelectronics.com/parts.htm
It is possible they might be referring to the metal base
in all these too.
I couldn't find a good picture of one in my limited
search.
73,
Paul
WD8OSU
Well, it looks like there _were_ metal 6SN7's, the
amplifier definitely has three glass and two metal tubes.
Its odd I can't remember ever seeing one and I have been
working with tubes since there was nother else.
--
---
Richard Knoppow
Los Angeles, CA, USA
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