I put in a 47 ohm resistor. The B+ was about the same. Glen, K9STH Website: http://k9sth.com ________________________________ From: Charles Ring <w3nu at roadrunner.com> When replacing these small selenium rectifiers with 1N4007's, what is the proper series resistor (or additional 1N4007's) to add? Thinking of both the 755 and V-10.