[Boatanchors] Help IDing a Tube

[Glen Zook]

The 7377 is a low power r.f. tube.  General Electric
used them in several of their FM two-way radios up to
470 MHz in multiplier and driver stages.

I have a brand new one that was made by Amprex.

Glen, K9STH


--- n2lxm at juno.com wrote:

While I was searching through my storage closet I came
across some tube's I can find any real information on.
They are marked Amperex with the number 7377, made in
Holland. A web search turned up a page of data, but it
was in French. What I could make out is that it's a
dual tetrode, good for a push-pull amp running class
C. These are weird looking, a glass envelope 1 3/4 "
in dia, just a hair over 2" tall, it has what looks
like a standard 8 pin base with two larger pins offset
for indexing. I would guess they were used in audio
service. Any one have any thoughts. Thanks in advance.











Glen, K9STH

Website:  http://k9sth.com


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