STW-350F188PR01-04

Transducer Size (Millimeters)381
DC Resistance3.2
Resonant Frequency26.55
Half Space Sensitivity83.54
Rated Noise Power3500
Test Spectrum Bandwidth20-20KHz

Transducer Size (Millimeters)381
DC Resistance3.2 Ω±5.0%
Resonant Frequency26.55 Hz15%
Half Space Sensitivity @ 2.83V83.54 dB±1.01
Sensitivity @ 1W/1m81.4 dB±1.01
Rated Noise Power (IEC 268-5 18.1)3500 W
Test Spectrum Bandwidth20-20KHz 12 dB/Oc
Effective Piston Area774.4 cm2
Moving Mass546.1 g
Motor Force Factor24.18 T•m
Voice Coil Inner Diameter188 mm
Gap Height36 mm
Maximum Linear Excursion10.4 mm
Ferrofluid Type
Minimum Impedance4.86 Ω±7.5%
Voice Coil Inductance3.31 mH
Mechanical Q Factor11.39
Electrical Q Factor0.5
Total Q Factor0.48
Ratio55.2 fs/Qts
Energy Bandwidth Product ((1/Qes)•fs)
Suspension Compliance69 μm/N
Effective Cone Diameter31.4 cm
Motor Efficiency Factor182.7 (T•m2)/Ω
Voice Coil Former MaterialTil 0.2mm
Transducer Mass26.6 Kg
Equivalent Volume58.16 L

STW subwoofer, 15inch, 188mm voice coil, paper cone, ferrite motor, cast alumnium basket, 4ohm