5 Best Vintage JBL Speakers (All Are Tested) - 2023 Edition
JBL 4560 Horn Speaker , Altec A5 or A7 of JBL Photo #121547 - Canuck Audio Mart
JBL Paragon - Wikipedia
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