Benson Benmaster 5E7 3x10 Combo Tweed/Oxblood

For our ten year anniversary, we are unveiling a very special project we are calling the Benmaster. The 2nd amp I ever built was a clone of the 5E7 Fender Bandmaster, a semi-mythical model from the tweed era featuring 3 10” speakers. My clone was true point to point inside an old organ chassis. I came up with the layout and learned a TON about parasitics and grounding in that chassis…stuff I still use today. When I finally got it working it sounded incredible. I made a mini stack cabinet set for it, @billy4fun and I picked out a striped fabric that we covered in some stinky finish, and it was done. After hearing it, bands started borrowing the amp for shows around town. Later, after building and analyzing hundreds of circuits, I finally understood the exotic why and how of the 5E7 circuit’s majesty: on its face it’s everything the 5F6A Bassman is not. The Bandmaster has the worst power supply, phase inverter, tone stack, transformers, etc. for a clean and direct sound...everything abo