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
3.5 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 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 |
