Transducer Size (Millimeters)101.6
DC Resistance3.28
Resonant Frequency155.17
Half Space Sensitivity91.12
Rated Noise Power30
Test Spectrum Bandwidth120Hz-20kHz

Transducer Size (Millimeters)101.6
DC Resistance3.28 Ω±5.0%
Resonant Frequency155.17 Hz15%
Half Space Sensitivity @ 2.83V91.12 dB±1.01
Sensitivity @ 1W/1m87.8 dB±1.01
Rated Noise Power (IEC 268-5 18.1)30 W
Test Spectrum Bandwidth120Hz-20kHz 12 dB/Oc
Effective Piston Area61.5 cm2
Moving Mass3.5 g
Motor Force Factor3.53 T•m
Voice Coil Inner Diameter25.73 mm
Gap Height4 mm
Maximum Linear Excursion1.4 mm
Ferrofluid Type
Minimum Impedance3.73 Ω±7.5%
Voice Coil Inductance0.12 mH
Mechanical Q Factor2.06
Electrical Q Factor0.89
Total Q Factor0.62
Ratio249.47 fs/Qts
Energy Bandwidth Product ((1/Qes)•fs)
Suspension Compliance303.5 μm/N
Effective Cone Diameter8.85 cm
Motor Efficiency Factor3.8 (T•m2)/Ω
Voice Coil Former MaterialKSV
Transducer Mass0.6 Kg
Equivalent Volume1.61 L

This TC family 4 inch 4 ohm full-range driver,with ferrite magnet, paper cone and cloth surround, and steel basket, is designed to be a cost-effective high performance full range driver. The product was designed for Pro column speaker application.