I have one Slot tweeter Jbl and it is in a very good condition. It features a unique combination of. JBL slot tweeter in good working condition and sounds good! It is missing 2 screws for the cover (see photos). Diafragma Para Driver Ler Nota 1. Find many great new & used options and get the best deals for JBL Slot tweeter fresh non OEM Diaphram used pair Canada at the best online prices at. The is designed for use as the ultra-high frequency driver in a wide-range, multi-element loudspeaker system. . Comes with a mounting bracket and a.