Nominal Impedance:  8 ohms 

DC resistance : 5-8 ohms

size error ： +/- 1 mm

Voice Coil Diameter:  72.2mm

The following is a PARTIAL list of some of the models that this diaphragm is used in:

P-Audio 740, 740-8

P-Audio BMD-740, BMD 740, BMD-740-8, BMD740, BMD740-8

P-Audio 750, 750-8

P-Audio BMD-750, BMD 750, BMD-750-8, BMD750, BMD750-8

P-Audio Co-Ax BM12 CX38, BM12-CX38, BM12CX38

P-Audio Co-Ax BM15 CX38, BM15-CX38, BM15CX38

Turbosound RD210, RD-210, RD 210, RD-210-8, 210

Turbosound CD210, CD-210, CD 210, CD-210-8, 210-8

Turbosound RD212, RD-212, RD 212, RD-212-8, 212

Turbosound CD212, CD-212, CD 212, CD-212-8, 212-8

Turbosound TXD252, TXD-252, TXD 252, TXD-252-8

Turbosound TXD15M, TXD-15M, TXD 15M, TXD-15M-8

Package include :

10 pcs aftermarket diaphragm