Never heard of an L76. I believe there is an L78 that is similar to an L75. What you want to avoid is anything later than those (model numbers in the 80s), IF you want an idler drive table. The 80 series are belt-drives.
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.