Transducer Size (Millimeters)37
DC Resistance3.55
Resonant Frequency187.9
Half Space Sensitivity82.68
Rated Noise Power5
Test Spectrum Bandwidth200Hz-20k Hz

Transducer Size (Millimeters)37
DC Resistance3.55 Ω±5.0%
Resonant Frequency187.9 Hz15%
Half Space Sensitivity @ 2.83V82.68 dB±1.01
Sensitivity @ 1W/1m79.5 dB±1.01
Rated Noise Power (IEC 268-5 18.1)5 W
Test Spectrum Bandwidth200Hz-20k Hz 12 dB/Oc
Effective Piston Area8 cm2
Moving Mass1 g
Motor Force Factor2.74 T•m
Voice Coil Inner Diameter28.1 mm
Gap Height2 mm
Maximum Linear Excursion0.1 mm
Ferrofluid Type
Minimum Impedance3.88 Ω±7.5%
Voice Coil Inductance0.07 mH
Mechanical Q Factor1.2
Electrical Q Factor0.57
Total Q Factor0.39
Ratio486.79 fs/Qts
Energy Bandwidth Product ((1/Qes)•fs)
Suspension Compliance701 μm/N
Effective Cone Diameter3.2 cm
Motor Efficiency Factor2.1 (T•m2)/Ω
Voice Coil Former MaterialASV
Transducer Mass0.04 Kg
Equivalent Volume0.06 L

This 37 mm 4 ohm compact Premium Micro Transducer is designed for computer, television array, and similar applications. It features a neodymium-iron-boron magnet, a light aluminium cone, and a high-temperature polycarbonate frame. The PMT family`s transducers feature low resonant frequencies and a full range bandwidth.