You can get a quad of Amperex Bugle Boy 6DJ8s for under $100 that will crush any current production tubes.
Arc-PH-5 what tubes should I use
My unit takes 4 6922's. My dealer is trying to sell me these RAM tubes that are low noise for 90.00 each. It seems to me that this is on the high-side. I can buy tubes from ARC that are 35.00 each. Do you think these low noise tubes are a gimmick or do they really work. Were looking at a price difference of 220.00. Is it worth it?