Original vintage ad for ADVANCED ACOUSTICS INC.  440 Bi-Phonic Coupler speaker, wafer thin.  The woofer has no cone, requires no baffle, no grille cloth.  Don't wait, listen to the remarkable 440 at your Hi Fi Dealer.
Main office was located at 67 East Centre Street, Nutley, NJ.
This unique old one page 1960 high fidelity stereo component trade magazine advertisement would display beautifully matted and framed.  It would make a nice accompaniment to your vintage stereo.