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 | Full-Range | Audiogon
JBL C50 Olympus S8R x 2 ( Part 3 Test Bass ) - YouTube
JBL C50 Olympus Vintage Speakers From JBL's Golden Era – SkyFi Audio
VINTAGE JBL C50 OLYMPUS HOME STEREO SPEAKERS | Crows and Crown Antiques & Nostalgia
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JBL Olympus specifications
JBL Olympus C50 S7R
JBL Olympus C50 S7R
Vintage JBL Olympus C50 3-way S8R - Mother of all Speakers - | eBay
OLYMPUS - JBL OLYMPUS - Audiofanzine
JBL Olympus C50 S7R
JBL Olympus S8R
JBL C50 Olympus S8R Speakers! - YouTube
JBL C50 OLYMPUS S8R - YouTube
1973 OLYMPUS-SOVEREIGN
JBL C50 Olympus S8R Vintage Floorstanding Speakers; Pair - The Music Room