This Is A Brand New Aftermarket "Blue Titanium"  Diaphragm.

For 

P Audio: BM-D450 Series 11 , BM-D440


The Blue Titanium Diaphragm Has a Better Anti-Corrosion Ability , It Also Has a Better Rigidity Which Makes For a Better High Frequency Sound Than an Ordinary Silver Titanium Diaphragm.


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

Specs:

  • Overall Diameter:  2.58" (65.5 mm)
  • Overall Length Of Diaphragm 3.65" (92.8)
  • Voice Coil Diameter:  1.74" (44.4 mm)
  • Diaphragm Material:  Blue Titanium
  • Nominal Impedance:  8 ohms
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