FSB021030-0400
FSB021030-0400
FSB021030-0400
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3" Ultra-Thin Series Woofer

FSB021030-0400

Feature
3", Steel Frame
1.2" PESVW Voice Coil, Aluminum Former
Paper Cone Coating, Rubber Surround
Dual Neodymium Magnet Motor System
Cone Under Center Cap Vent, Low Distortion(<3%)
Slim Design
Size
3 Inch
Fs
85 Hz
Re
4 Ohms
Sensitivity
83 dB
Quality Factor
0.46 Qts
Rated Power
10 W
  • Description
  • Simulation
  • Measure Chart
  • Specification
  • Mechanical Drawing
SPEC SHEET

This 3 inch 4 ohm Woofer driver, with 1.2 inch voice coil copper wire, Aluminum former, paper cone and large roll NBR surround. It contains dual Neodymium magnet motor system which provides maximum flux in a compact package. The cone and basket under spider are vented hole so as to reduce air compression effects. This product is designed with portable and compact system applications.

Family
Range
Characteristics
FSB021030-0400

T-S Parameters
Resonance frequency [fs] 87.1 Hz
Mechanical Q factor [Qms] 3.737
Electrical Q factor [Qes] 0.523
Total Q factor [Qts]  0.458
Force factor [Bl] 5.259 Tm
Mechanical resistance [Rms] 1.077 kg/s
Moving mass [Mms]  7.351 g
Compliance [Cms] 0.454 mm/N
Effective diaph. diameter [D]  65 mm
Effective piston area [Sd] 33.18 cm²
Equivalent volume [Vas] 0.707 l
Sensitivity (2.83V/1m)  83 dB
Ratio Bl/√Re 2.775 N/√W
Ratio fs/Qts 190.2 Hz
Electrical Data
Nominal impedance [Zn]  4 Ω
Minimum impedance [Zmin]  3.8 Ω
Maximum impedance [Zo] 22.08 Ω
DC resistance [Re] 3.59 Ω
Voice coil inductance [Le]  0.323 mH
Power Handling
100h RMS noise test (IEC 18.4) 10 W
Long-term max power (IEC 18.2) - W
Voice Coil & Magnet Data
Voice coil diameter 30.5 mm
Voice coil height 7.0 mm
Voice coil layers 4
Height of gap 4 mm
Linear excursion ± 1.5 mm
Max mech. excursion ± 7.5 mm
Unit weight 0.156 kg

 

FSB021030-0400

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