5R4WG tube

Which is the best?

5R4WGA, 5R4WGB or 5R4WGY.

Thanks!

nic1004-21-2019 2:51pm

nic10 OP Details Discussions Posts This discussion Message User 80 posts 04-21-2019 at 02:56pm Copy Comment URL Report Comment Edit Delete I forgot... I have to use on Quicksilver Silver mono kt88 (90watt) You have compared this type of valve with GZ34? Thanks!
nic10 OP Details Discussions Posts This discussion Message User 80 posts 04-22-2019 at 09:22am Copy Comment URL Report Comment Edit Delete Okay! Thanks.