The superb JBL L-300 was based on one of their studio monitors. 3-way design with 15-inch bass reflex woofer, acoustic lens … | Акустическая система, Аудио, Колонки
Vintage HIFI JBL L300 for Sale in Henderson, NV - OfferUp
JBL 4333A Studio Monitor - Is it better then the L300? - YouTube