I've never seen a pair of these before--looked like Barcelonas to me at first glance. Anyone ever heard a pair of these--they look to be in great shape--date code in photo indicates 1971. I know they used an 807 h.f. driver with an 800 hz crossover, any clue what woofer they used in these?

PAIR OF ALTEC LANSING SPEAKERS MODEL GRANADA 875A | eBay

http://www.lansingheritage.org/image...ome/page19.jpg