Transducer Size (Millimeters)152.4
DC Resistance5.14
Resonant Frequency79.8
Half Space Sensitivity93.55
Rated Noise Power100
Test Spectrum Bandwidth80Hz-800Hz

Transducer Size (Millimeters)152.4
DC Resistance5.14 Ω±5.0%
Resonant Frequency79.8 Hz15%
Half Space Sensitivity @ 2.83V93.55 dB±1.01
Sensitivity @ 1W/1m92.7 dB±1.01
Rated Noise Power (IEC 268-5 18.1)100 W
Test Spectrum Bandwidth80Hz-800Hz 12 dB/Oc
Effective Piston Area143.1 cm2
Moving Mass9.9 g
Motor Force Factor7.37 T•m
Voice Coil Inner Diameter38.44 mm
Gap Height6 mm
Maximum Linear Excursion2.6 mm
Ferrofluid Type
Minimum Impedance6.64 Ω±7.5%
Voice Coil Inductance0.34 mH
Mechanical Q Factor2.59
Electrical Q Factor0.47
Total Q Factor0.4
Ratio201.01 fs/Qts
Energy Bandwidth Product ((1/Qes)•fs)
Suspension Compliance403.3 μm/N
Effective Cone Diameter13.5 cm
Motor Efficiency Factor10.6 (T•m2)/Ω
Voice Coil Former MaterialKSV
Transducer Mass1.48 Kg
Equivalent Volume11.61 L

This 6.5 inch 8 ohm speaker features a FEA optimized ferrite magnet motor, a 1.5 inch high-temperature voice coil, and a high strength stamped steel frame. The multi-roll surround and spider have been optimized to reduce distortion over the excursion range of this transducer.