This Is A Brand New Aftermarket Diaphragm Replacement for  

B&C DE200, D-BCMMD200-8

Please Look And Make Sure The Diaphragm You Are Ordering Matches The Pictures Above & The Specs Below

Voice Coil Diameter : 44.4mm 1.75"

Impedance : 8 Ohm

Outer Ring Diameter : 66.5mm 

The Center Distance Of The Two Post Terminals : ~79mm