Transducer Size (Millimeters)88.9
DC Resistance3.2
Resonant Frequency113.45
Half Space Sensitivity86.64
Rated Noise Power15
Test Spectrum Bandwidth40Hz - 3KHz

Transducer Size (Millimeters)88.9
DC Resistance3.2 Ω±5.0%
Resonant Frequency113.45 Hz15%
Half Space Sensitivity @ 2.83V86.64 dB±1.01
Sensitivity @ 1W/1m82.8 dB±1.01
Rated Noise Power (IEC 268-5 18.1)15 W
Test Spectrum Bandwidth40Hz - 3KHz 12 dB/Oc
Effective Piston Area35.3 cm2
Moving Mass3.8 g
Motor Force Factor3.05 T•m
Voice Coil Inner Diameter25.73 mm
Gap Height3 mm
Maximum Linear Excursion2.1 mm
Ferrofluid TypeNa
Minimum Impedance3.3 Ω±7.5%
Voice Coil Inductance0.07 mH
Mechanical Q Factor5.09
Electrical Q Factor0.93
Total Q Factor0.79
Ratio143.97 fs/Qts
Energy Bandwidth Product ((1/Qes)•fs)
Suspension Compliance518.4 μm/N
Effective Cone Diameter6.7 cm
Motor Efficiency Factor2.9 (T•m2)/Ω
Voice Coil Former MaterialASV
Transducer Mass0.13 Kg
Equivalent Volume0.91 L

This 3.5 inch 4ohm tansducer member of the GBS family provides a very slim woofer capable of large excursion. A highly optimized Neo magnets and unique suspension layout combine to give a cost effective solution in a previously unavailable package.