JBL 130A woofer 8 ohm Photo #937905 - US Audio Mart
Extremely rare JBL 150H subs- designed to replicate missile frequency and bomb explosions; White Sands, NM. Early 1950's. 130A chassis, LE15A cone. : r/vintageaudio
Single Vintage JBL D130A 15" Woofer 16 Ohm Speaker Sound Original for sale online | eBay