SB Acoustics Speaker Tweeter Driver SB29SDNC-C000-4

Features: - Large surround dome for increased acoustic output - CCAW voice coil for low moving mass - Long life silver lead wires - Low resonance frequency - Copper cap on pole piece for reduced voice coil inductance and minimum phase shift - Inherently shielded neodymium motor system - Internal pressure equalization and flow resistor for non-resonant coupling of cavities - Compact design Specs: - Nominal Impedance 4 Ω - DC resistance, Re 3.0 Ω - Voice coil inductance, Le 0.05 mH - Effective piston area, Sd 9.6 cm2 - Voice coil diameter 29 mm - Voice coil height 2.0 mm - Air gap height 2.5 mm - Linear coil travel (p-p) 0.5 mm - Moving mass incl. air, Mms 0.45 g - Free air resonance, Fs 630 Hz - Sensitivity (2.83 V / 1 m) 95.5 dB - Mechanical Q-factor, Qms 1.3 - Electrical Q-factor, Qes 0.79 - Total Q-factor, Qts 0.49 - Force factor, Bl 2.6 Tm - Rated power handling* 80 W - Magnetic flux density 1.2 T - Magnet weight 31 g - Net weight 0.17 kg * IEC 268-5, high-pass Butterworth, 2600 Hz, 12 dB/oct.