[CQ-Contest] 614W = 6146A or 6146B???

Sam Ferris ve5sf at sk.sympatico.ca
Tue Apr 20 01:49:32 EDT 1999

I have been told that a 6146W is a ruggedized version of a 6146B.  Is
this true or is it a ruggedized version of a 6146A or 6146?  I only have
the specs for the B and A versions of the 6146 tube in my copy of the
handbook.  Have a feeling that it is comparble with a 6146A/6146.  If not 
can it be used to replace a 6146B in a FT-102


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