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Vifa BC20SC-15-04 Tweeter

19mm Dome Tweeter, Neo magnet + Ferrofluid.

From the BC range, this tweeter features a damped fabric dome for smooth frequency response performance and ferrofluid in the gap of the NdFeB motor, providing enhanced cooling of the voice coil. Compact horn loaded faceplate with recessed mounting holes. Supplied complete with a sealing gasket which helps reduce vibration between baffle and driver.

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

Supplied as pairs - order quantity 2.  

Key Features:

  • 19mm damped fabric dome
  • Neodymium magnet + heatsink
  • Ferrofluid cooled voicecoil
  • Horn loaded faceplate
  • Wide frequency response
  • Very compact design

Basic parameters:

Resonant frequency (fs) 1579 Hz Nominal impedance (Zn) 4 Ω
Effective diaphragm diameter 19 mm DC resistance (Re) 3.11 Ω
Ferrofluid ? Y/N Yes RMS power handling 80 W
Recommended crossover 2.5 kHz 18dB Faceplate diameter 66.3 mm
Sensitivity (2.83V/1m) 86.7 dB Cutout hole diameter 38.8 mm

Here's the full datasheet: 

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