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

Transducer Size (Millimeters) 203.2
DC Resistance 3.63 Ω±5.0%
Resonant Frequency 31.23 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 Bandwidth 20Hz-1KHz 12 dB/Oc
Effective Piston Area 254.5 cm2
Moving Mass 75.3 g
Motor Force Factor 11.16 T•m
Voice Coil Inner Diameter 38.75 mm
Gap Height 8 mm
Maximum Linear Excursion 11.3 mm
Ferrofluid Type
Minimum Impedance 5.5 Ω±7.5%
Voice Coil Inductance 1.16 mH
Mechanical Q Factor 5.35
Electrical Q Factor 0.43
Total Q Factor 0.4
Ratio 78.26 fs/Qts
Energy Bandwidth Product ((1/Qes)•fs)
Suspension Compliance 344.8 μm/N
Effective Cone Diameter 18 cm
Motor Efficiency Factor 34.3 (T•m2)/Ω
Voice Coil Former Material ASV
Transducer Mass 2.96 Kg
Equivalent Volume 31.36 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.