This is a Circuit Shop Audio diaphragm made to Eminence specs.
Fits: Eminence PSD2002-8, PSD2002S-8, MD2001-8, MD2001-8, Yamaha, Carvin, Sonic and others.
Overall Diameter -- 3.57"
Voice Coil Diameter -- 2.01"
DCR -- 6.6 ohm
Impedance -- 8 ohm