Amazon.com: JBL Professional C50PACK Surface Mount Subwoofer and Mini-Satellite Loudspeaker System, Black : Everything Else
JBL C50 Olympus S8R Speakers! - YouTube
JBL Olympus specifications
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 C50 Olympus Vintage Speakers From JBL's Golden Era – SkyFi Audio