Transducer Size (Millimeters)203.2
DC Resistance3.97
Resonant Frequency44.29
Half Space Sensitivity84.1
Rated Noise Power200
Test Spectrum Bandwidth40Hz-500Hz

Transducer Size (Millimeters) 203.2
DC Resistance 3.97 Ω±5.0%
Resonant Frequency 44.29 Hz15%
Half Space Sensitivity @ 2.83V84.1 dB±1.01
Sensitivity @ 1W/1m82.9 dB±1.01
Rated Noise Power (IEC 268-5 18.1)200 W
Test Spectrum Bandwidth 40Hz-500Hz 12 dB/Oc
Effective Piston Area 213.8 cm2
Moving Mass 70.4 g
Motor Force Factor 10 T•m
Voice Coil Inner Diameter 35.55 mm
Gap Height 8 mm
Maximum Linear Excursion 9.1 mm
Ferrofluid Type
Minimum Impedance 6.13 Ω±7.5%
Voice Coil Inductance 0.96 mH
Mechanical Q Factor 6.38
Electrical Q Factor 0.78
Total Q Factor 0.69
Ratio 63.9 fs/Qts
Energy Bandwidth Product ((1/Qes)•fs)
Suspension Compliance 183.5 μm/N
Effective Cone Diameter 16.5 cm
Motor Efficiency Factor 25.2 (T•m2)/Ω
Voice Coil Former Material ASV
Transducer Mass 2.18 Kg
Equivalent Volume 11.78 L

This is 8 inch 4 ohm subwoofer is a member of the new SBS product family. This driver features a black anodized aluminum cone, inverted rubber surround, ferrite magnet, and steel basket. It is designed for high excursion applications.