4 x Foam surrounds for repair JBL L16 Decade - 116A speaker
JBL 4301B
JBL Decade L16 Photo #718882 - US Audio Mart
JBL L 16 DECADE Service Manual — View online or Download repair manual
Old jbl decade L16, just found these at home. highs and mids are great but bass is almost nonexistent. Is it because of the lack of foam or is there a problem