Transducer Size (Millimeters)101.6
DC Resistance6.2
Resonant Frequency85
Half Space Sensitivity79.61
Rated Noise Power10
Test Spectrum Bandwidth200Hz-20KHz

Transducer Size (Millimeters)101.6
DC Resistance6.2 Ω±5.0%
Resonant Frequency85 Hz15%
Half Space Sensitivity @ 2.83V79.61 dB±1.01
Sensitivity @ 1W/1m79.2 dB±1.01
Rated Noise Power (IEC 268-5 18.1)10 W
Test Spectrum Bandwidth200Hz-20KHz 12 dB/Oc
Effective Piston Area24.2 cm2
Moving Mass3.9 g
Motor Force Factor3.84 T•m
Voice Coil Inner Diameter16.28 mm
Gap Height6 mm
Maximum Linear Excursion1.5 mm
Ferrofluid Type
Minimum Impedance7.24 Ω±7.5%
Voice Coil Inductance0.62 mH
Mechanical Q Factor7.65
Electrical Q Factor0.88
Total Q Factor0.79
Ratio108.15 fs/Qts
Energy Bandwidth Product ((1/Qes)•fs)
Suspension Compliance899.4 μm/N
Effective Cone Diameter5.55 cm
Motor Efficiency Factor2.4 (T•m2)/Ω
Voice Coil Former MaterialKSV
Transducer Mass0.25 Kg
Equivalent Volume0.74 L

This TC family 1.75*4 inch rectangle 8 ohm woofer,with 2pcs cuboid magnet, paper cone and rubber surround, and steel basket, is designed to be a cost-effective high performance small woofer. The motor contains a aluminium ring to lower inductance and distortion. The product was designed with television and other especial compact applications in mind.