SB ACOUSTICS SB26STCN-C000-4, 25mm TEXTILE DOME NEODYMIUM TWEETERFeatures Copper cap on pole piece for reduced voice coil inductance and minimum phase shift Fine weave soft fabric dome for smooth frequency response Inherently shielded neodymium motor system Internal pressure equalization and flow resistor for non-resonant coupling of cavities Compact design CCAW voice coil for low moving mass Long life silver lead wires Low resonance frequency Specs Nominal Impedance 4 Ω DC resistance, Re 3.2 Ω Voice coil inductance, Le 0.04 mH Effective piston area, Sd 6.2 cm2 Voice coil diameter 25.4 mm Voice coil height 1.3 mm Air gap height 2.5 mm Linear coil travel (p-p) 1.2 mm Moving mass incl. air, Mms 0.3 g Free air resonance, Fs 960 Hz Sensitivity (2.83 V / 1 m) 92.5 dB Mechanical Q-factor, Qms 1.6 Electrical Q-factor, Qes 1.77 Total Q-factor, Qts 0.84 Force factor, Bl 1.8 Tm Rated power handling* 120 W Magnetic flux density 1.2 T Magnet weight (neo) 21 g Net weight 0.1 kg * IEC 268-5, high-pass Butterworth, 2600 Hz, 12 dB/oct.
