JBL Factory Replacement Tweeter, 8 Ohms, Control 23, 123-00000-00 This isa complete brand new JBL,Control23 tweeter Voice coil: 1/2" (13mm) Diameter: 2-3/4" x 1-7/8"(70mm x 48mm) Impedance:8 ohm, DCR:6.7 ohm Titanium deposit dome with copper vocie coil on Kapton former