Hammond XTP came out in late 60's, on a pedestal between two speaker cabinets.
I sold my X-66 about 8 years ago, but still have an X-77 in a shed behind the garage. Another project for another day
Duane
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Korg PA4x76, Yamaha CP-70 Electric Grand Piano, Zoom L20 mixer/recorder, Turbosound ip500 column speaker system