Vifa OC25SC65-04 Tweeter

OC25SC65-04

25mm Dome Tweeter Capsule.

This tweeter features a 25 mm 4 ohm voice coil, a damped fabric dome giving a smooth frequency response and ferrofluid in the gap of the neodymium magnet for enhanced cooling of the voice coil. Twist-lock bayonet mounting for easy installation into custom faceplates / baffles. A full datasheet can be downloaded from the bottom of this page.

Excellent replacement for Bowers and Wilkins ( B&W ) CDM1 and P6. 

Key Features:

  • 25mm specially treated textile dome
  • Neodymium magnet assembly
  • Twist lock bayonet mounting
  • Wide and smooth response
  • Very compact design

Basic parameters:

Resonant frequency (fs) 1382 Hz Nominal impedance (Zn) 4 Ω
Effective diaphragm diameter 25 mm DC resistance (Re) 3.0 Ω
Ferrofluid ? Y/N Yes RMS power handling 25 W
Recommended crossover 2.5 kHz 12dB Faceplate diameter -
Sensitivity (2.83V/1m) 89.2 dB Cutout hole diameter -

Here's the full datasheet: 

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