SB ACOUSTICS SATORI, TW29BNWG-8 29mm BERYLLIUM DOME NEODYMIUM WAVEGUIDE TWEETER 8OHMFeatures Beryllium dome for non-resonant high frequency extension Dual balanced compression chambers for improved dynamics Dual copper caps for absolute minimum voice coil inductance and minimum phase shift High saturation neodymium motor system with T-shaped pole piece for lower distortion Non-reflective cast aluminium chamber with optimized damping for improved dynamics Shallow flow optimized magnet structure for optimum coupling to rear chamber CCAW voice coil for low moving mass Long life silver lead wires Low resonance frequency for extended range Solid aluminium waveguide Controlled directivity Adapter ring for bolt-less mounting to driver Specs Nominal Impedance 8 Ω DC resistance, Re 6.2 Ω Voice coil inductance, Le 0.04 mH Effective piston area, Sd 9.6 cm2 Voice coil diameter 29.0 mm Voice coil height 2.2 mm Air gap height 3.0 mm Linear coil travel (p-p) 1.2 mm Moving mass incl. air, Mms 0.44 g Free air resonance, Fs 750 Hz Sensitivity (2.83V/1m) 94 dB Mechanical Q-factor, Qms 1.75 Electrical Q-factor, Qes 0.80 Total Q-factor, Qts 0.55 Force factor, Bl 4.1 Tm Rated power handling* 80 W Magnetic flux density 1.5 T Magnet weight 0.1 kg Net weight 0.63 kg * IEC 268-5, high-pass Butterworth, 2600 Hz, 12 dB/oct.
