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
Parameters
Size
5.25 Inch
Fs
60 Hz
Re
4 Ohms
Sensitivity
87 dB
Quality Factor
0.49 Qts
Rated Power
40 W
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 |
