SB Acoustics Woofer SB29NRX75-8 75mm Voice coil

Nominal Impedance

8 Ω

Free air resonance, Fs

26 Hz

DC resistance, Re

6.2 Ω

Sensitivity (2.83 V / 1 m)

88 dB

Voice coil inductance, Le

1.34 mH

Mechanical Q-factor, Qms

7.06

Effective piston area, Sd

311 cm2

Electrical Q-factor, Qes

0.39

Voice coil diameter

75.6 mm

Total Q-factor, Qts

0.37

Voice coil height

28 mm

Moving mass incl.air, Mms

58.9 g

Air gap height

6 mm

Force factor, Bl

12.4 Tm

Linear coil travel (p-p)

22 mm

Equivalent volume, Vas

85.6 liters

Magnetic flux density

0.9 T

Compliance, Cms

0.63 mm/N

Magnet weight

2.1 kg

Mechanical loss, Rms

1.4 kg/s

Net weight

5.40 kg

Rated power handling

200 W

* IEC 268-5, T/S parameters measured on drive units that are broken in..