3” Paper Cone Woofer
ASDWL2001-0401
Features
3”, Steel Frame
1.2” PESVCW Voice Coil, Aluminum Former
Paper Cone, Rubber Surround
Black-coated Dust Cap
Neodymium Magnet Motor System
Parameters
Size
3 Inch
Fs
85 Hz
Re
3.68 Ohms
Sensitivity
83 dB
Quality Factor
0.54 Qts
Rated Power
15 W
This 3 inch, 4 ohm Ultra-thin Woofer unit, contain with 1.2 inch PESVW voice coil, Neodymium magnet motor system, IP67 grade coating on the Cone & Dust Cap. It can be used on Soundbar model and outdoor portable audio.
Family
Range
Characteristics
| T-S Parameters | |
|---|---|
| Resonance frequency [fs] | 85.8 Hz |
| Mechanical Q factor [Qms] | 3.971 |
| Electrical Q factor [Qes] | 0.631 |
| Total Q factor [Qts] | 0.544 |
| Force factor [Bl] | 4.948 Tm |
| Mechanical resistance [Rms] | 1.056 kg/s |
| Moving mass [Mms] | 7.783 g |
| Compliance [Cms] | 0.442 mm/N |
| Effective diaph. diameter [D] | 63 mm |
| Effective piston area [Sd] | 31.17 cm² |
| Equivalent volume [Vas] | 0.5999 l |
| Sensitivity (2.83V/1m) | 83 dB |
| Ratio Bl/√Re | 2.579 N/√W |
| Ratio fs/Qts | 157.7 Hz |
| Electrical Data | |
|---|---|
| Nominal impedance [Zn] | 4 Ω |
| Minimum impedance [Zmin] | 4.03 Ω |
| Maximum impedance [Zo] | 24.95 Ω |
| DC resistance [Re] | 3.68 Ω |
| Voice coil inductance [Le] | 0.358 mH |
| Power Handling | |
|---|---|
| 100h RMS noise test (IEC 18.4) | 15 W |
| Long-term max power (IEC 18.2) | 30 W |
| Voice Coil & Magnet Data | |
|---|---|
| Voice coil diameter | 30.55 mm |
| Voice coil height | 6.8 mm |
| Voice coil layers | 4 |
| Height of gap | 4 mm |
| Linear excursion | ± 1.4 mm |
| Max mech. excursion | ± - mm |
| Unit weight | 0.16 kg |
