I thought NU 6F8G didn't work well on WA5. I guess you're using NU 6SN7?
Too bad one of my Mullard CV181 failed before I get a chance to listen to them... It was in the amp for about a min and then suddenly shorted... have no idea why. crap happens I guess.
Too bad one of my Mullard CV181 failed before I get a chance to listen to them... It was in the amp for about a min and then suddenly shorted... have no idea why. crap happens I guess.