I have not heard a current production EL34 tube that can even come close to the midrange reproduction of the GEC KT-88s in my amp. Haven't tried NOS EL34s; since I now have a good supply of the GEC KT-88s and Tung Sol 6550s.
You must have a verified phone number and physical address in order to post in the Audiogon Forums. Please return to Audiogon.com and complete this step. If you have any questions please contact Support.