cerwin vega 217r

I just got back my Bose 901 Series II Eq from the tech! Luxman C-1010 control center Technics SH-8055 EQ Denon DRA-435R Receiver Sony CA7ES cd Technics SL-QX300 Turntable QSC 1400 Amp I have all components fed to Luxman out to Technics EQ to Denon receiver. The Denon is powering a pair of...

So im trying to remove the 15" woofers from the 217r cabinets to have them refoamed, there are 4 bolts, I was able to get the left bolts off but the 2 on the right won't Come off! The entire screw is spinning! There isn't enough exposed on the end to grab with something either. Anyone out there...

Just grabbed pairs of Cerwin Vega 217R & 211R & the seller even delivered them to me! I read the 217R's are the "little brother" of the 15T's which I'm also fortunate to own. And that is a fact. The 217R has the same 15" 153W woofer as well as the same rear firing horn. The mid & the tweeter I'm...