http://cgi.ebay.com/LOT%2F2-RAYTHEON...20111004r23386

I'm having a "stupid moment": They are sold as pentodes, yet have
only 5 leads. What about the heaters? Well, the heater connections
must be exposed, else they wouldn't work, so what about the other
2 electrodes?


Martin - obviously missing something
--
M.A.Poyser Tel.: 07967 110890
Manchester, U.K. http://www.livejournal.com/userinfo.bml?user=fleetie