This Is A Brand NEW Aftermarket  "Titanium" Diaphragm 

PRO BEAT 31-ST500 Driver RK850

P Audio: BMD-740, BMD-750, (Series 1 Only) BM12CX38, BM15CX38

Turbosound: TXM-15M, TXM-252, TXD-15M, CD 210, CD 212, RD 210, RD 212

It Also Has The Nomex Tape Around The Inside Of The Coil For Longer Lasting & Durability 

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

Specs:

  • Overall Diameter:  4.31" (110 mm)
  • Voice Coil Diameter:  2.87" (73 mm)
  • Diaphragm Material:  Titanium
  • DCR: 6.2 Ohms
  • Nominal Impedance:  8 ohms
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