SB ACOUSTICS SB34NRX75-6, 34cm NOREX PAPER CONE WOOFER 6OHMFeatures High flow venting center pole 3″ voice coil Low dampening surround Non-inductive voice coil former Proprietary cone materials made-in-house Cast Aluminium chassis Specs Nominal Impedance 6 Ω DC resistance, Re 4.2 Ω Voice coil inductance, Le 1.8 mH Effective piston area, Sd 508 cm2 Voice coil diameter 75.6 mm Voice coil height 28 mm Air gap height 6 mm Linear coil travel (p-p) 22 mm Magnetic flux density 0.9 T Magnet weight 2.1 kg Net weight 6.02 kg Free air resonance, Fs 19 Hz Sensitivity (2.83V/1m) 90 dB Mechanical Q-factor, Qms 5.1 Electrical Q-factor, Qes 0.43 Total Q-factor, Qts 0.40 Moving mass incl. air,Mms 99 g Force factor, Bl 10.7 Tm Equivalent volume, Vas 260 liters Compliance, Cms 0.71 mm/N Mechanical loss, Rms 2.3 kg/s Rated power handling* 200 W * IEC 268-5, T/S parameters measured on drive units that are broken in.
