Transducer Size (Millimeters)203.2
DC Resistance3.63
Resonant Frequency31.23
Half Space Sensitivity84.96
Rated Noise Power200
Test Spectrum Bandwidth20Hz-1KHz

Transducer Size8
DC Resistance3.63 Ω±5.0%
Resonant Frequency31.23 Hz15%
Half Space Sensitivity @ 2.83V84.96 dB±1.01
Sensitivity @ 1W/1m83.3 dB±1.01
Rated Noise Power (IEC 268-5 18.1)200 W
Test Spectrum Bandwidth20Hz-1KHz 12 dB/Oc
Effective Piston Area254.5 cm2
Moving Mass75.3 g
Motor Force Factor11.16 T•m
Voice Coil Inner Diameter38.75 mm
Gap Height8 mm
Maximum Linear Excursion11.3 mm
Ferrofluid Type
Minimum Impedance5.5 Ω±7.5%
Voice Coil Inductance1.16 mH
Mechanical Q Factor5.35
Electrical Q Factor0.43
Total Q Factor0.4
Ratio78.26 fs/Qts
Energy Bandwidth Product ((1/Qes)•fs)
Suspension Compliance344.8 μm/N
Effective Cone Diameter18 cm
Motor Efficiency Factor34.3 (T•m2)/Ω
Voice Coil Former MaterialASV
Transducer Mass2.96 Kg
Equivalent Volume31.36 L

This 8 inch 4 ohm subwoofer is a member of the new SBS product family. It features a paper cone, NBR surround, steel basket, and a double ferrite magnet motor. This product offers high power handling capacity, geared towards operation in smaller sealed, powered systems.