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
JBL Olympus (anybody have any experience with these?)
JBL Olympus C50 S7R
1973 OLYMPUS-SOVEREIGN
JBL Olympus C50 S7R
JBL C50 Olympus | Full-Range | Audiogon
JBL C50 Olympus Vintage Speakers From JBL's Golden Era – SkyFi Audio
JBL OLYMPUS C50 SPEAKERS Photo #725508 - US Audio Mart