6SN7GTB replacement

Hello, friends, I have a canary audio M 600 fitted with the 6SN7GTB reissue TungSol can I replace them with just the 6SN7 GT

jasbirnandra05-22-2020 8:54am

lowrider57 Details Discussions Posts This discussion Message User 5,418 posts 05-22-2020 at 03:28pm Copy Comment URL Report Comment Edit Delete You should ask the manufacturer or a dealer. Typically, you can't substitute a 6SN7GT in a circuit designed for the 6SN7GTB. The plate voltage is higher in the GTB (450V) vs. 350V for a GT, so the biasing would be different.
lowrider57 Details Discussions Posts This discussion Message User 5,418 posts 05-23-2020 at 02:49am Copy Comment URL Report Comment Edit Delete Yes, 6SN7GT is rated at 300V plate voltage.