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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.
|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||-|
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