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Vifa Peerless BC25SC55-04 Tweeter

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Vifa Peerless BC25SC55-04 25mm Dome Tweeter, 4Ω.

This smooth sounding tweeter features a 4 ohm 25 mm voice coil, high energy Neodymium magnet assembly, a damped textile dome and ferrofluid in the magnetic gap for enhanced cooling of the voice coil. The BC25SC55-04 has a compact cropped faceplate (70mm diameter, 54mm across flats) with recessed mounting holes, and comes complete with a foam sealing gasket to reduce vibration. A finned heatsink aids cooling and results in high power handling for a driver of this size.

A full datasheet can be downloaded from the bottom of this page.

Key Features:

  • 25mm damped textile dome
  • Neodymium magnet assembly
  • Ferrofluid cooled voicecoil
  • Wide and smooth response
  • Very compact design

Basic parameters:

Resonant frequency (fs) 1401 Hz Nominal impedance (Zn) 4 Ω
Effective diaphragm diameter 25 mm DC resistance (Re) 2.74 Ω
Ferrofluid ? Y/N Yes RMS power handling 100 W
Recommended crossover 2.5 kHz 12dB Faceplate diameter (cropped) 70mm
Sensitivity (2.83V/1m) 89.6 dB Cutout hole diameter -

Here's the full datasheet: 

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Peerless by Tymphany