FSB224040-0800
FSB224040-0800
Standard
4" Kevlar Cone Woofer

FSB224040-0800

Features
4”, Aluminum Die-cast Frame
1" CCAW Voice Coil, Glass Fiber Former
Kevlar Cone, Rubber Surround, Long Excursion(±5mm)
Ferrite Magnet Motor System
VC Former and Bottom Plate Vent, Low Distortion(<3%)
Size
4 Inch
Fs
70 Hz
Re
7.5 Ohms
Sensitivity
83 dB
Quality Factor
0.8 Qts
Rated Power
30 W
  • Description
  • Measure Chart
  • Specification
  • Mechanical Drawing
SPEC SHEET

This is a 4 inch 8 ohm driver, it is a Woofer features 1 inch voice coil with CCAW. In term of suspension system, cone is consisted by Kevlar Cone body with NBR surround and spider is consisted by NC. In term of magnet motor system, magnet is consisted by Ferrite material. It can be used on bookshelf audio.

Family
Range
 
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]  7.001 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)  83 dB
Ratio Bl/√Re 1.87 N/√W
Ratio fs/Qts 87 Hz
Electrical Data
Nominal impedance [Zn]  8 Ω
Minimum impedance [Zmin]  7.3 Ω
Maximum impedance [Zo] 61.89 Ω
DC resistance [Re] 7.5 Ω
Voice coil inductance [Le]  0.43 mH
Power Handling
100h RMS noise test (IEC 18.4) 30 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

 

FSB224040-0800

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