SBS-250F38AL01-04

Transducer Size (Millimeters)254
DC Resistance2.08
Resonant Frequency33.43
Half Space Sensitivity85.23
Rated Noise Power250
Test Spectrum Bandwidth30Hz-200Hz

Transducer Size (Millimeters)254
DC Resistance2.08 Ω±5.0%
Resonant Frequency33.43 Hz15%
Half Space Sensitivity @ 2.83V85.23 dB±1.01
Sensitivity @ 1W/1m81.8 dB±1.01
Rated Noise Power (IEC 268-5 18.1)250 W
Test Spectrum Bandwidth30Hz-200Hz 12 dB/Oc
Effective Piston Area314.2 cm2
Moving Mass126.1 g
Motor Force Factor9.9 T•m
Voice Coil Inner Diameter38.75 mm
Gap Height8 mm
Maximum Linear Excursion7.4 mm
Ferrofluid Type
Minimum Impedance3.64 Ω±7.5%
Voice Coil Inductance1 mH
Mechanical Q Factor4.23
Electrical Q Factor0.56
Total Q Factor0.5
Ratio67.26 fs/Qts
Energy Bandwidth Product ((1/Qes)•fs)
Suspension Compliance179.7 μm/N
Effective Cone Diameter20 cm
Motor Efficiency Factor47 (T•m2)/Ω
Voice Coil Former MaterialASV
Transducer Mass3.16 Kg
Equivalent Volume24.92 L

This 10inch 4ohm subwoofer driver, a member of the new SBS product family, features an anodized aluminium cone with inverted rubber surround, offering a unique visual appearance, a rigid steel basket, and double ferrite magnet motor system. The product offers high power handling capacity, geared towards operation in smaller sealed, powered systems.