I remember they bought a slough of those thing for the skating ring and hung them all way up in the top. They sounded wonderful for about two weeks. Somebody got in the place and stole everyone. I worked there. I though it was funny. We rolled out the ol Western Electrics that were put there right after the great flood (Noah's Flood) and hooked them up and they played right on.. They weighed 400lbs. I don't think they could lift them to steal them.. WE amps too. Burn the crap out of ya..:-)
My wife had Bose because her brother did. I used Jensen Imperials back then.
I liked my Imperials better. :-) Mac tube gear.. No SS
MC275 would make the Series II Bose cackle pretty good. Series 1 was a PIG. 300 watts I've seen piped into Series I, they just got louder and louder..
Regards