Mullard CV4004

Hi,
I'm thinking upgrade de stock 12AX7 of my Primaluna Two for two Mullards CV4004. I would like to know opinions about these tubes.

Regards,

masimong12-27-2005 9:46pm

masimong OP Details Discussions Posts This discussion Message User 1 posts 01-05-2006 at 12:51pm Copy Comment URL Report Comment Edit Delete Thanks Kehut Please.. which are the that you comment "old 1950's RCA/Tung Sol Black plate's" in this page ? http://www.vintagetubeservices.com/page18a.html And.. Where can I get Sylvania Labeled CONN 12AU7 ? Regards,