Amazon.co.jp: JBL Olympus 1/2.5 S78R C1 III Pair : Electronics
JBL C50 Olympus For Sale | Audiogon
Anyone familiar with these? Late 60's vintage JBL C50 Olympus S7r. 15" woofer with massive 20 lb. magnet; 15" passive radiator; and high frequency horn. Had the woofers rebuilt two years ago