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

Transducer Size8
DC Resistance3.97 Ω±5.0%
Resonant Frequency44.29 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 Bandwidth40Hz-500Hz 12 dB/Oc
Effective Piston Area213.8 cm2
Moving Mass70.4 g
Motor Force Factor10 T•m
Voice Coil Inner Diameter35.55 mm
Gap Height8 mm
Maximum Linear Excursion9.1 mm
Ferrofluid Type
Minimum Impedance6.13 Ω±7.5%
Voice Coil Inductance0.96 mH
Mechanical Q Factor6.38
Electrical Q Factor0.78
Total Q Factor0.69
Ratio63.9 fs/Qts
Energy Bandwidth Product ((1/Qes)•fs)
Suspension Compliance183.5 μm/N
Effective Cone Diameter16.5 cm
Motor Efficiency Factor25.2 (T•m2)/Ω
Voice Coil Former MaterialASV
Transducer Mass2.18 Kg
Equivalent Volume11.78 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.