Hey Bill. Do you live in nashville? If so do you do this as a hobby and would be willing to show me in person what to do? If so I can bring with me a set of rectilinear xi speaks recapped for the trouble for you.
In case if you still have Service manual for Technics Amplifier SU8077, I would like to buy one. In fact I can do with schematic as well. My Ampilifier is dead for some time now...