ASDSD4000-0400
ASDSD4000-0400
Standard
5.25" Paper Cone Subwoofer

ASDSD4000-0400

Features
5.25", Steel Frame
1.2" PESVW Voice Coil, Kapton Former
Paper Cone, Rubber Surround
Strong Ferrite Magnet Motor System
Size
5.25 Inch
Fs
60 Hz
Re
4 Ohms
Sensitivity
87 dB
Quality Factor
0.49 Qts
Rated Power
40 W
  • Description
  • Measure Chart
  • Specification
  • Mechanical Drawing
SPEC SHEET

The ultimate 5.25 inch 4 ohm Subwoofer features 1.2 inch PESVW voice coil, Rubber surround with customized Paper Cone, and Ferrite Fluid motor system. It is the greatest usages for Subwoofer models. 

Family
Range

T-S Parameters
Resonance frequency [fs] 59.8 Hz
Mechanical Q factor [Qms] 7.16
Electrical Q factor [Qes] 0.52
Total Q factor [Qts]  0.49
Force factor [Bl] 8.05 Tm
Mechanical resistance [Rms] 1.35 kg/s
Moving mass [Mms]  25.81 g
Compliance [Cms] 0.28 mm/N
Effective diaph. diameter [D]  133 mm
Effective piston area [Sd] 88.25 cm²
Equivalent volume [Vas] 3.03 l
Sensitivity (2.83V/1m)  87 dB
Ratio Bl/√Re 1.16 N/√W
Ratio fs/Qts 122.04 Hz
Electrical Data
Nominal impedance [Zn]  4 Ω
Minimum impedance [Zmin]  3.9 Ω
Maximum impedance [Zo] 37 Ω
DC resistance [Re] 47.86 Ω
Voice coil inductance [Le]  0.82 mH
Power Handling
100h RMS noise test (IEC 18.4) 40 W
Long-term max power (IEC 18.2) - W
Voice Coil & Magnet Data
Voice coil diameter 30.5 mm
Voice coil height 12.5 mm
Voice coil layers 4
Height of gap 4 mm
Linear excursion ± 4.25 mm
Max mech. excursion ± - mm
Unit weight 1.172 kg
ASDSD4000-0400

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