ORIGINAL: Montague
I've never heard of a 6v receiver, but I don't claim to know all of them. Which RXes require 6v? I'm just curious.
Here are a couple:
http://www3.towerhobbies.com/cgi-bin...&I=LXRAZ5&P=ML
http://www3.towerhobbies.com/cgi-bin...&I=LXLZP0&P=ML