Can 12AT7 be a substitute for 12AU7 tubes?

Is it safe to use a 12AT7 as a substitute for 12AU7?
THANK YOU

ellyjr04-10-2012 11:17pm

ellyjr OP Details Discussions Posts This discussion Message User 97 posts 04-12-2012 at 12:32pm Copy Comment URL Report Comment Edit Delete Thank you for all your responses. I called the manufacturer, they said I can use the 12AT7, but it won't sound right.