Diafragma Para Driver Ler Nota 1. JBL slot tweeter in good working condition and sounds good! It is missing 2 screws for the cover (see photos). . I have one Slot tweeter Jbl and it is in a very good condition. The is designed for use as the ultra-high frequency driver in a wide-range, multi-element loudspeaker system. 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. Comes with a mounting bracket and a. It features a unique combination of.