I would think Svetlana ( SED ) in St. Petersburg comes up first......I guess EL34 - KT88 etc.....I know some tube guys buy them in big lots and match them up for quads/pairs..for resale...
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.