This is possibly the coolest music video ever made!
The outgoing Commander of the ISS singing "Space Oddity". In space.
"Advance Speaker Korp" operated out of Hampton N.H., probably in the early 1980's.
Some Genesis talent at one time migrated there, and in the fine tradition of Genesis borrowing EPI/Epicure designs for their drivers, some Advance parts are identical to ones made by Genesis, and I can supply exact/improved replacements for them.
I am slowly finding out what models they offered. This list will eventually be longer...
Were there other models? Please send photos and/or brochures!