Legacy Concert Master?

Never heard of these, are they from Legacy Audio? Saw a pair listed online as demos for 36k. Serious driver array:
4" air motion folded ribbon with neodymium magnetic poles.

Dual 8" wide band midranges with cast baskets from Valencia, Spain with a proprietary composite cone.

Dual 10" midwoofers with cast baskets and curvilinear aluminum cone.

Dual 12" subwoofers with cast baskets, aluminum cone and patented magnetic structure.