![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/dsclnqbd93w51.jpg)
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 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)
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 S8R Vintage Speakers with 375 Driver One of The Most Desirable | eBay | Vintage speakers, Speakers for sale, Vintage JBL C50 Olympus S8R Vintage Speakers with 375 Driver One of The Most Desirable | eBay | Vintage speakers, Speakers for sale, Vintage](https://i.pinimg.com/736x/d6/e2/9a/d6e29aa78a653d76ca64f4ed6690b430--speakers-audio.jpg)