[Boatanchors] 5X4 tube?

[Chuck McGregor]

RCA tube manual dated 1947 lists 5X4G  and says:
"Except for basing arrangement, this type is identical with type 5U4G"

basing:
1-NC
2-NC
3-P2
4-NC
5-P1
6-NC
7-F
8-F

73,
Chuck


On 6/22/2010 7:38 PM, WW6N wrote:
> Does someone know about 5X4 tube?
> It is not 5v version of 6X4.
> I could not find any data about it.
> It is RCA made and has an octal socket.
> Looks similar to ST type 5R4.
> de WW6N
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