Hey guys, I've got a 1965 Bassman that I'm going to drop some new SED power tubes into. I also just got an Ultimate Attenuator with the 100v tap option, the bassman will always be plugged into the attenuator. Should I use that outlet with my bassman and bias the tubes with the 100v, or stick with the 120v wall power? Since the amp will be running full bore into the attenuator all of the time, I thought it might be a good idea to save it some stress and bias to the lower voltage. Thoughts, opinions, ramblings?