Standard
5.25” Paper Cone Subwoofer
ASDSD4003-0401
Features
5.25”, Steel Frame
1” PESVW Voice Coil, Aluminum Former
Paper Cone, Rubber Surround
Ferrite Magnet Motor System
Low Distortion (<3%)
Parameters
Size
5.25 Inch
Fs
70 Hz
Re
3.6 Ohms
Sensitivity
86 dB
Quality Factor
0.92 Qts
Rated Power
30 W
The ultimate 5.25 inch 4 ohm Subwoofer features 1 inch PESVW voice coil, Rubber surround with customized Paper Cone, and Ferrite motor system. It is the greatest usages for Subwoofer models.
Family
Range
| T-S Parameters | |
|---|---|
| Resonance frequency [fs] | 71.4 Hz |
| Mechanical Q factor [Qms] | 5.46 |
| Electrical Q factor [Qes] | 1.11 |
| Total Q factor [Qts] | 0.92 |
| Force factor [Bl] | 4.95 Tm |
| Mechanical resistance [Rms] | 1.39 kg/s |
| Moving mass [Mms] | 16.88 g |
| Compliance [Cms] | 0.29 mm/N |
| Effective diaph. diameter [D] | 100 mm |
| Effective piston area [Sd] | 78.5 cm² |
| Equivalent volume [Vas] | 2.567 l |
| Sensitivity (2.83V/1m) | 86 dB |
| Ratio Bl/√Re | 1.38 N/√W |
| Ratio fs/Qts | 77.61 Hz |
| Electrical Data | |
|---|---|
| Nominal impedance [Zn] | 4 Ω |
| Minimum impedance [Zmin] | 4.3 Ω |
| Maximum impedance [Zo] | 19.4 Ω |
| DC resistance [Re] | 3.6 Ω |
| Voice coil inductance [Le] | 0.6 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 | 25.5 mm |
| Voice coil height | 8 mm |
| Voice coil layers | 4 |
| Height of gap | 4 mm |
| Linear excursion | ± 2 mm |
| Max mech. excursion | ± - mm |
| Unit weight | 0.57 kg |
