Standard Transducers
4" Paper Cone Subwoofer


4", Steel Frame
1" PESVW Voice Coil,Polyimide Former
Paper Cone, Rubber Surround
Ferrite Magnet Motor System
4.0 Inch
82.3 Hz
4 Ohms
89.00 dB
Quality Factor
0.490 Qts
Rated Power
40 W
  • Description
  • Measure Chart
  • Specification
  • Mechanical Drawing

This is a 4 inch 4ohm transducer, it is a Subwoofer features 1inch voice coil with PESVW. In term of suspension system, cone is consisted by Paper Cone body with RUBBER surround and spider is consisted by NC. In term of magnetic motor system, magnet is consisted by Neo material. It can be used on Soundbar model.


T-S Parameters
Resonance frequency [fs] 82.3 Hz
Mechanical Q factor [Qms] 5.32
Electrical Q factor [Qes] 0.55
Total Q factor [Qts]  0.49
Force factor [Bl] 4.83 Tm
Mechanical resistance [Rms] 0.76 kg/s
Moving mass [Mms]  7.8 g
Compliance [Cms] 0.47 mm/N
Effective diaph. diameter [D]  83.5 mm
Effective piston area [Sd] 54.7 cm²
Equivalent volume [Vas] 2.02 l
Sensitivity (2.83V/1m)  89 dB
Ratio Bl/√Re 1.23 N/√W
Ratio fs/Qts 167.9 Hz
Electrical Data
Nominal impedance [Zn]  4 Ω
Minimum impedance [Zmin]  3.9 Ω
Maximum impedance [Zo] 22.4 Ω
DC resistance [Re] 3.2 Ω
Voice coil inductance [Le]  0.32 mH
Power Handling
100h RMS noise test (IEC 17.1) 40 W
Long-term max power (IEC 17.3) - W
Voice Coil & Magnet Data
Voice coil diameter 25.4 mm
Voice coil height 11.4 mm
Voice coil layers 2
Height of gap 5 mm
Linear excursion ± 3.2 mm
Max mech. excursion ± - mm
Unit weight 0.73 kg



Contact Us

Looking for more information?

Please feel free to contact us directly with any product inquiries.

*Fields that are required.