FSB224040-0802
FSB224040-0802
FSB224040-0802
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4" Kevlar Cone Woofer

FSB224040-0802

Feature
4”, Aluminum Die-cast Frame
1” CCAW Voice coil, Glass-fiber Former
Kevlar Cone
NBR Surround
Ferrite Magnet Motor System
High Excursion (±5mm)
Size
4 Inch
Fs
70 Hz
Re
8 Ohms
Sensitivity
85 dB
Quality Factor
0.8 Qts
Rated Power
15 W
  • Description
  • Simulation
  • Measure Chart
  • Specification
  • Mechanical Drawing
SPEC SHEET

This 4 inch 8 ohm Woofer drive with 1 inch voice coil with CCAW wire, Glass fiber former, Kevlar cone and NBR rubber surround. The long-throw voice coil ensures linear high excursion.

Family
Range
FSB224040-0802

T-S Parameters
Resonance frequency [fs] 69.9 Hz
Mechanical Q factor [Qms] 9.538
Electrical Q factor [Qes] 0.881
Total Q factor [Qts]  0.807
Force factor [Bl] 5.115 Tm
Mechanical resistance [Rms] 0.322 kg/s
Moving mass [Mms]  7.0 g
Compliance [Cms] 0.741 mm/N
Effective diaph. diameter [D]  85 mm
Effective piston area [Sd] 56.75 cm²
Equivalent volume [Vas] 3.3749 l
Sensitivity (2.83V/1m)  85 dB
Ratio Bl/√Re 1.87 N/√W
Ratio fs/Qts 87 Hz
Electrical Data
Nominal impedance [Zn]  8 Ω
Minimum impedance [Zmin]  7.21 Ω
Maximum impedance [Zo] 87.6 Ω
DC resistance [Re] 7.5 Ω
Voice coil inductance [Le]  0.43 mH
Power Handling
100h RMS noise test (IEC 18.4) 15 W
Long-term max power (IEC 18.2) - W
Voice Coil & Magnet Data
Voice coil diameter 25.4 mm
Voice coil height 15 mm
Voice coil layers 2
Height of gap 5 mm
Linear excursion ± 5 mm
Max mech. excursion ± - mm
Unit weight 0.755 kg

 

FSB224040-0802

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