L-100’s. JBL knew what was up. after those is L-65 Jubal’s and HPM-100’s

Yes, owner worked on audio repair his entire life. His brother was left to clear his estate and the brother designed audio circuits his whole life.

The brother who did the repair and initially owned it upgraded caps, added further isolation and other items to make it better than spec. Original manuals and all too.

Yep, grabbed a McIntosh C2300 and MC275 with 20+ extra tubes, Richard gray isolated power transformers, and massive Pangea cords for $2200