Brian,
Yeah, I have the 2006 VP-845. Its about 7 mos old. I emailed Dared US and Joe answered to say that the 845 models are self biasing. Yes,I have the 845M metal plates from Sophia. Dont know about the Super TNT as you mentioned. Unless this is the same tube...im not sure as I haven't seen that particular designation..I have not noticed any loss of power compared to the stock 845 (which have graphite plates for comparison)..In fact the metal plates seem so much more alive and coherent with truly great mids compared to the stock tube. Everything seems much more musical and dynamic with the metal plates.
Yeah, I have the 2006 VP-845. Its about 7 mos old. I emailed Dared US and Joe answered to say that the 845 models are self biasing. Yes,I have the 845M metal plates from Sophia. Dont know about the Super TNT as you mentioned. Unless this is the same tube...im not sure as I haven't seen that particular designation..I have not noticed any loss of power compared to the stock 845 (which have graphite plates for comparison)..In fact the metal plates seem so much more alive and coherent with truly great mids compared to the stock tube. Everything seems much more musical and dynamic with the metal plates.

