SB29SWNRX-S75-6

SB ACOUSTICS SB29SWNRX-S75-6, 290mm (11in) NOREX PAPER CONE SUBWOOFER 6 OHM

SB ACOUSTICS SB29SWNRX-S75-6, 29cm NOREX PAPER CONE SUBWOOFER 6OHM Features Hard paper cone for improved piston operation (made in-house) Vented pole piece for minimum compression Vented cast aluminium chassis for optimum strength and low compression 3″ copper voice coil (4-layer) for improved power handling Long life silver lead wires Low damping medium hardness rubber surround for improved linearity and power handling Non-conducting fibre glass voice coil former for minimum damping Specs Nominal Impedance 6 Ω DC resistance, Re 4.5 Ω Voice coil inductance, Le 3.0 mH Effective piston area, Sd 312 cm2 Voice coil diameter 75.6 mm Voice coil height 28.5 mm Air gap height 6 mm Linear coil travel (p-p) 22 mm Magnetic flux density 0.63 T Magnet weight 2.1 kg Net weight 5.38 kg Free air resonance, Fs 20 Hz Sensitivity (2.83V/1m) 86 dB Mechanical Q-factor, Qms 4.5 Electrical Q-factor, Qes 0.31 Total Q-factor, Qts 0.29 Moving mass incl. air,Mms 132 g Force factor, Bl 15.4 Tm Equivalent volume, Vas 66 liters Compliance, Cms 0.48 mm/N Mechanical loss, Rms 3.7 kg/s Rated power handling* 200 W * IEC 268-5, T/S parameters measured on drive units that are broken in.