[R-390] CV-591A/URR SSB convertor

[Bernie Doran]

the maximum bulb temperature rating  for a 6AQ5 is 250C. do not continue 
with finger testing, unless pain turns you on!!  Bernie W8RPW
----- Original Message ----- 
From: "Mike Jones" <dustoff4 at sbcglobal.net>
To: "r-390-request at mailman.qth.net" <r-390 at mailman.qth.net>
Sent: Thursday, May 17, 2012 8:56 PM
Subject: [R-390] CV-591A/URR SSB convertor