Transducer Size (Millimeters)133.35
DC Resistance5.9
Resonant Frequency85
Half Space Sensitivity87.74
Rated Noise Power30
Test Spectrum Bandwidth20Hz-5KHz

Transducer Size (Millimeters)133.35
DC Resistance5.9 Ω±5.0%
Resonant Frequency85 Hz15%
Half Space Sensitivity @ 2.83V87.74 dB±1.01
Sensitivity @ 1W/1m87.5 dB±1.01
Rated Noise Power (IEC 268-5 18.1)30 W
Test Spectrum Bandwidth20Hz-5KHz 12 dB/Oc
Effective Piston Area89.9 cm2
Moving Mass8.9 g
Motor Force Factor6.32 T•m
Voice Coil Inner Diameter25.73 mm
Gap Height6 mm
Maximum Linear Excursion3.5 mm
Ferrofluid Type
Minimum Impedance7.51 Ω±7.5%
Voice Coil Inductance0.26 mH
Mechanical Q Factor3.01
Electrical Q Factor0.7
Total Q Factor0.57
Ratio149.38 fs/Qts
Energy Bandwidth Product ((1/Qes)•fs)
Suspension Compliance394.5 μm/N
Effective Cone Diameter10.7 cm
Motor Efficiency Factor6.8 (T•m2)/Ω
Voice Coil Former MaterialASV
Transducer Mass0.96 Kg
Equivalent Volume4.48 L

This 5.25 inch 8 ohm driver is a member of the Heritage family.