[Boatanchors] 1625 tube

Vic Rosenthal vic at rakefet.com
Thu Oct 7 19:51:36 EDT 2004


Glen Zook wrote:

> Actually, in every 807 tube that I know of the
> supressor grid is connected internally in the glass
> envelope to the cathode. 

This is correct.  Amazing how memory can deceive!  I would have bet that 1625's 
were modified because they were cheap, but of course as Glen points out the 807 
COULD NOT be used in a GG circuit.  In fact, with only 5 base pins, there's no 
way the suppressor could be brought out separately!

-- 
73,
Vic, K2VCO
Fresno CA
http://www.qsl.net/k2vco



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