Standard
5.25” Paper Cone Subwoofer
ASDSD4025-0401
Features
5.25”, Steel Frame
1.25” PESVW Voice Coil, Aluminum Former
Paper Cone, Rubber Surround
Ferrite Magnet Motor System
Low Distortion (<3%)
Parameters
Size
5.25 Inch
Fs
65 Hz
Re
3.5 Ohms
Sensitivity
86 dB
Quality Factor
0.74 Qts
Rated Power
40 W
The ultimate 5.25 inch 4 ohm Subwoofer features 1.25 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] |
66 Hz |
| Mechanical Q factor [Qms] | 5.77 |
| Electrical Q factor [Qes] | 0.85 |
| Total Q factor [Qts] | 0.74 |
| Force factor [Bl] | 6.71Tm |
| Mechanical resistance [Rms] | 1.87 kg/s |
| Moving mass [Mms] | 26.08 g |
| Compliance [Cms] | 0.22mm/N |
| Effective diaph. diameter [D] | 110 mm |
| Effective piston area [Sd] | 95 cm² |
| Equivalent volume [Vas] | 2.8480 l |
| Sensitivity (2.83V/1m) | 86 dB |
| Ratio Bl/√Re | 1.92 N/√W |
| Ratio fs/Qts | 89 Hz |
| Electrical Data | |
|---|---|
| Nominal impedance [Zn] | 4 Ω |
| Minimum impedance [Zmin] | 4.3Ω |
| Maximum impedance [Zo] | 19.6 Ω |
| DC resistance [Re] | 3.5 Ω |
| Voice coil inductance [Le] | 1.23 mH |
| Power Handling | |
|---|---|
| 100h RMS noise test (IEC 18.4) | 40 W |
| Long-term max power (IEC 18.2) | 80 W |
| Voice Coil & Magnet Data | |
|---|---|
| Voice coil diameter | 29.55 mm |
| Voice coil height | 10.1 mm |
| Voice coil layers | 6 |
| Height of gap | 5 mm |
| Linear excursion | ± 2.55 mm |
| Max mech. excursion | ± 14.6 mm |
| Unit weight | 0.78 kg |
