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 Resistance 5.14 Ω±5.0%
Resonant Frequency 79.8 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 Bandwidth 80Hz-800Hz 12 dB/Oc
Effective Piston Area 143.1 cm2
Moving Mass 9.9 g
Motor Force Factor 7.37 T•m
Voice Coil Inner Diameter 38.44 mm
Gap Height 6 mm
Maximum Linear Excursion 2.6 mm
Ferrofluid Type
Minimum Impedance 6.64 Ω±7.5%
Voice Coil Inductance 0.34 mH
Mechanical Q Factor 2.59
Electrical Q Factor 0.47
Total Q Factor 0.4
Ratio 201.01 fs/Qts
Energy Bandwidth Product ((1/Qes)•fs)
Suspension Compliance 403.3 μm/N
Effective Cone Diameter 13.5 cm
Motor Efficiency Factor 10.6 (T•m2)/Ω
Voice Coil Former Material KSV
Transducer Mass 1.48 Kg
Equivalent Volume 11.61 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.