Transducer Size (Millimeters)38.1
DC Resistance3.58
Resonant Frequency234.82
Half Space Sensitivity83.22
Rated Noise Power5
Test Spectrum Bandwidth250Hz-20KHz

Transducer Size (Millimeters) 38.1
DC Resistance 3.58 Ω±5.0%
Resonant Frequency 234.82 Hz15%
Half Space Sensitivity @ 2.83V83.22 dB±1.01
Sensitivity @ 1W/1m80.1 dB±1.01
Rated Noise Power (IEC 268-5 18.1)5 W
Test Spectrum Bandwidth 250Hz-20KHz 12 dB/Oc
Effective Piston Area 7.8 cm2
Moving Mass 0.5 g
Motor Force Factor 0.96 T•m
Voice Coil Inner Diameter 16.28 mm
Gap Height 2 mm
Maximum Linear Excursion 0.6 mm
Ferrofluid Type
Minimum Impedance 3.94 Ω±7.5%
Voice Coil Inductance 0.04 mH
Mechanical Q Factor 4.71
Electrical Q Factor 2.64
Total Q Factor 1.69
Ratio 138.87 fs/Qts
Energy Bandwidth Product ((1/Qes)•fs)
Suspension Compliance 1004.2 μm/N
Effective Cone Diameter 3.15 cm
Motor Efficiency Factor 0.3 (T•m2)/Ω
Voice Coil Former Material ASV
Transducer Mass 0.07 Kg
Equivalent Volume 0.09 L

This TC family 1.5 inch 4 ohm full-range driver,with ferrite magnet, paper cone and PU surround, and steel basket, is designed to be a cost-effective high performance full range driver. The product was designed with portable and other compact applications in mind.