What I’m trying to find out is, who were the cooks in the kitchen so to speak with this series. I believe this was the last series to be US designed and, US made back in the 90’s. I would think, that there would be some very talented and reputable engineers on the design team.

The manual on the L7 had a three page addendum that discussed bi-amping and bi-wiring in good technical detail. What ever mode you decide to use is a supported method.