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 Resistance 3.2 Ω±5.0%
Resonant Frequency 26.55 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 Bandwidth 20-20KHz 12 dB/Oc
Effective Piston Area 774.4 cm2
Moving Mass 546.1 g
Motor Force Factor 24.18 T•m
Voice Coil Inner Diameter 188 mm
Gap Height 36 mm
Maximum Linear Excursion 10.4 mm
Ferrofluid Type
Minimum Impedance 4.86 Ω±7.5%
Voice Coil Inductance 3.31 mH
Mechanical Q Factor 11.39
Electrical Q Factor 0.5
Total Q Factor 0.48
Ratio 55.2 fs/Qts
Energy Bandwidth Product ((1/Qes)•fs)
Suspension Compliance 69 μm/N
Effective Cone Diameter 31.4 cm
Motor Efficiency Factor 182.7 (T•m2)/Ω
Voice Coil Former Material Til 0.2mm
Transducer Mass 26.6 Kg
Equivalent Volume 58.16 L

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