Transducer Size (Millimeters)44.45
DC Resistance6.7
Resonant Frequency178.38
Half Space Sensitivity79.19
Rated Noise Power5
Test Spectrum Bandwidth200Hz-20KHz

Transducer Size (Millimeters)44.45
DC Resistance6.7 Ω±5.0%
Resonant Frequency178.38 Hz15%
Half Space Sensitivity @ 2.83V79.19 dB±1.01
Sensitivity @ 1W/1m78.7 dB±1.01
Rated Noise Power (IEC 268-5 18.1)5 W
Test Spectrum Bandwidth200Hz-20KHz 12 dB/Oc
Effective Piston Area11 cm2
Moving Mass0.8 g
Motor Force Factor1.62 T•m
Voice Coil Inner Diameter16.28 mm
Gap Height2 mm
Maximum Linear Excursion1.4 mm
Ferrofluid Type
Minimum Impedance7.17 Ω±7.5%
Voice Coil Inductance0.04 mH
Mechanical Q Factor2.27
Electrical Q Factor2.43
Total Q Factor1.17
Ratio152.07 fs/Qts
Energy Bandwidth Product ((1/Qes)•fs)
Suspension Compliance939.5 μm/N
Effective Cone Diameter3.75 cm
Motor Efficiency Factor0.4 (T•m2)/Ω
Voice Coil Former MaterialKapton
Transducer Mass0.09 Kg
Equivalent Volume0.16 L

This TC family 1.75 inch 8 ohm full-range driver, with paper cone and PU surround, steel basket, and ferrite magnet motor with a copper cap to lower inductance and distortion, is designed to be a cost-effective high performance full range driver. The product was designed with portable and other compact applications in mind.