Transducer Size (Millimeters)152.4
DC Resistance4.1
Resonant Frequency46.15
Half Space Sensitivity82.36
Rated Noise Power150
Test Spectrum Bandwidth40Hz-500Hz

Transducer Size (Millimeters) 152.4
DC Resistance 4.1 Ω±5.0%
Resonant Frequency 46.15 Hz15%
Half Space Sensitivity @ 2.83V82.36 dB±1.01
Sensitivity @ 1W/1m81.2 dB±1.01
Rated Noise Power (IEC 268-5 18.1)150 W
Test Spectrum Bandwidth 40Hz-500Hz 12 dB/Oc
Effective Piston Area 124.7 cm2
Moving Mass 46.4 g
Motor Force Factor 9.05 T•m
Voice Coil Inner Diameter 35.55 mm
Gap Height 6 mm
Maximum Linear Excursion 8.5 mm
Ferrofluid Type
Minimum Impedance 6.1 Ω±7.5%
Voice Coil Inductance 0.91 mH
Mechanical Q Factor 5.6
Electrical Q Factor 0.67
Total Q Factor 0.6
Ratio 76.66 fs/Qts
Energy Bandwidth Product ((1/Qes)•fs)
Suspension Compliance 256.2 μm/N
Effective Cone Diameter 12.6 cm
Motor Efficiency Factor 20 (T•m2)/Ω
Voice Coil Former Material ASV
Transducer Mass 1.74 Kg
Equivalent Volume 5.59 L

This is a 6.5inch 4ohm woofer, a member of the new SBS product family. This driver features a black anodized aluminum cone, inverted rubber surround, ferrite magnet, steel basket. Designed for high excursion applications.