[Heathkit] 6GW8

Bill Cromwell wrcromwell at gmail.com
Thu May 13 16:54:14 EDT 2010


Paul asked:

Anyone have an extra 6GW8 or two they would sell?

----snip---


Or---is there a good substitute for this tube?
Thanks for any help.
Paul K0UYA 

Hi Paul,

I looked up that tube on the NJ7P site and no substitutes are listed
there. That doesn't mean there aren't any, but that's my quick answer to
you. That tube is a triode and pentode in one envelope and there are
several of those but with different pinouts AND different
characteristics. I have several of the other kind. You would have to
rearrange the wiring at a minimum to use one of the others. All of the
ones I have contain a medium mu triode and the 6GW8 has a high mu
triode. The performance of the radio will be changed somewhat which may
or may not be noticeable. 

73,

Bill  KU8H



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