I would bi-amp using a good 2a3 based amp for the 4001's, been there, done that and liked it! Wood horns if possible. Maybe KT-88 based amps for the woofers and and XTA or similar eq/crossover to control the two.
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.