Jolida JD-100 can U use 12AU7 or 12AT7 instead?

Just wondering if anyone knows if either of these tubes can be used instead of the 12AX7 in this circuit.

jig04-26-2005 9:03pm

jkaway Details Discussions Posts This discussion Message User 93 posts 04-27-2005 at 03:30am Copy Comment URL Report Comment Edit Delete Stevecham is right on the mark re Ei tubes.They also make great 12au7 and at 8 or 9 bucks apiece are a steal.