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807tubenut 26th September 2010 03:17 AM

GM-70 family with top cap anode?
I'm working on a parts list for my winter GM-70 build, And I was wondering if out of all the tubes they cloned, did the Russians ever stick a cap on a variant of the gm-70?

kavermei 26th September 2010 04:57 AM

I don't think so. Some of the big pentodes did, GK-71 comes to mind.


807tubenut 26th September 2010 05:55 PM

GK-71 it is! Thanks Kenneth

kavermei 26th September 2010 07:24 PM

You're welcome. Care to give any details on your plans?

Not sure how a triode-wired GK-71 would compare to the GM-70. It sure is a nice looking DHP :) Gotta love that 25W screen grid dissipation!!


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