[Milsurplus] Research Help Requested

[Kenneth G. Gordon]

On 28 Aug 2017 at 18:44, James Whartenby wrote:

> Ken One tube designed to replace the 6AK5 would be the subminiature
> 5840, I am sure that there are others.  See:
> https://frank.pocnet.net/sheets/137/5/5840.pdf Jim 

Although I am GREAT admirer of the sub-mini tubes, the article in question mentioned ONE 
tube to replace the 6AK5, and I'd really like to know what that was. Maybe the 9002?

Ken W7EKB

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