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
3.5 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 magnet 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] 3.50 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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