![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 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](https://preview.redd.it/dsclnqbd93w51.jpg?width=640&crop=smart&auto=webp&s=9e1f5d173fa70fbadd9c20cee5dbe3d434082030)
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
![Elesorca on X: "JBL Olympus#JBLOlympus #VintageJBL https://t.co/KjHXLJ1Zgy — Bernard Žvokelj (Berny2876) February 8, 2020" / X Elesorca on X: "JBL Olympus#JBLOlympus #VintageJBL https://t.co/KjHXLJ1Zgy — Bernard Žvokelj (Berny2876) February 8, 2020" / X](https://pbs.twimg.com/media/EQO71rBXUAAAY-v.jpg:large)
Elesorca on X: "JBL Olympus#JBLOlympus #VintageJBL https://t.co/KjHXLJ1Zgy — Bernard Žvokelj (Berny2876) February 8, 2020" / X
![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 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](https://i.redd.it/gmztdd0f93w51.jpg)