Standard
8” Paper Cone Subwoofer
ASDSD4021-0401
Features
8”, black lacquered iron basin
1.5” EISVCCAW Voice Coil , BHD Former
Paper Cone, Rubber Surround
Strong Ferrite Magnet Motor System
Center aluminum ring
Suitable for sound box subwoofer
Parameters
Size
8 Inch
Fs
40 Hz
Re
3.4 Ohms
Sensitivity
88 dB
Quality Factor
0.59 Qts
Rated Power
45 W
The ultimate 8 inch 4 ohm Subwoofer features 1.5 inch EISVCCAW 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] | 42.8 Hz |
| Mechanical Q factor [Qms] | 6.56 |
| Electrical Q factor [Qes] | 0.64 |
| Total Q factor [Qts] | 0.59 |
| Force factor [Bl] | 8.44 Tm |
| Mechanical resistance [Rms] | 2.09 kg/s |
| Moving mass [Mms] | 51.09 g |
| Compliance [Cms] | 0.27 mm/N |
| Effective diaph. diameter [D] | 165.4 mm |
| Effective piston area [Sd] | 214.86 cm² |
| Equivalent volume [Vas] | 17.641 l |
| Sensitivity (2.83V/1m) | 88 dB |
| Ratio Bl/√Re | 4.57 N/√W |
| Ratio fs/Qts | 72.54 Hz |
| Electrical Data | |
|---|---|
| Nominal impedance [Zn] | 4 Ω |
| Minimum impedance [Zmin] | 3.2 Ω |
| Maximum impedance [Zo] | 29 Ω |
| DC resistance [Re] | 3.4 Ω |
| Voice coil inductance [Le] | 0.73 mH |
| Power Handling | |
|---|---|
| 100h RMS noise test (IEC 18.4) | 45 W |
| Long-term max power (IEC 18.2) | - W |
| Voice Coil & Magnet Data | |
|---|---|
| Voice coil diameter | 38.55 mm |
| Voice coil height | 18 mm |
| Voice coil layers | 4 |
| Height of gap | 5 mm |
| Linear excursion | ± 6.5 mm |
| Max mech. excursion | ± - mm |
| Unit weight | 1.946 kg |
