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Description
This 4 inch Woofer, features 1 inch voice coil with Conex spider, newly designed aluminum cone with ferrite magnet motor system. This woofer offers natural and detailed sound experience with low distortion. It is the new audio standard for DIY enthusiasms or home theater systems.
Features
- 4”, Aluminum Die-cast Frame
- 1” CCAW Voice Coil, Aluminum Former
- Aluminum Cone, Rubber Surround
- Ferrite Magnet Motor System
- Low Distortion (<3%)
Parameters
Size
Fs
Re
Sensitivity
Quality Factor
Rated Power
4 Inch
60 Hz
4 Ohms
87 dB
0.45 Qts
35 W
Description
This 4 inch Woofer, features 1 inch voice coil with Conex spider, newly designed aluminum cone with ferrite magnet motor system. This woofer offers natural and detailed sound experience with low distortion. It is the new audio standard for DIY enthusiasms or home theater systems.
| T-S Parameters | |
|---|---|
| Resonance frequency [fs] | 60.7 Hz |
| Mechanical Q factor [Qms] | 3.85 |
| Electrical Q factor [Qes] | 0.51 |
| Total Q factor [Qts] | 0.45 |
| Force factor [Bl] | 4.13 Tm |
| Mechanical resistance [Rms] | 0.69 kg/s |
| Moving mass [Mms] | 6.99 g |
| Compliance [Cms] | 0.99 mm/N |
| Effective diaph. diameter [D] | 82 mm |
| Effective piston area [Sd] | 52.81 cm² |
| Equivalent volume [Vas] | 3.9 l |
| Sensitivity (2.83V/1m) | 87 dB |
| Ratio Bl/√Re | 2.28 N/√W |
| Ratio fs/Qts | 134.9 Hz |
| Electrical Data | |
|---|---|
| Nominal impedance [Zn] | 4 Ω |
| Minimum impedance [Zmin] | 3.8 Ω |
| Maximum impedance [Zo] | 21.7 Ω |
| DC resistance [Re] | 3.28 Ω |
| Voice coil inductance [Le] | 0.104 mH |
| Power Handling | |
|---|---|
| 100h RMS noise test (IEC 18.4) | 35 W |
| Long-term max power (IEC 18.2) | - W |
| Voice Coil & Magnet Data | |
|---|---|
| Voice coil diameter | 25.5 mm |
| Voice coil height | 12.5 mm |
| Voice coil layers | 2 |
| Height of gap | 6 mm |
| Linear excursion | ± 3.25 mm |
| Max mech. excursion | ± 11 mm |
| Unit weight | 0.93 kg |
