BACK
Description
This 12 inch Woofer, features 2.0 inch voice coil, new mixed pulp and mica cone and ferrite magnet motor system. The frequency response can be extended up to 3K to produce soft and delicate sound.
Features
- 12", Aluminum Die-cast Frame
- 2” 1-APP7CAW Voice Coil , GFB-P Former
- Mica Cone, Rubber Surround
- Dual Ferrite Magnet Motor System
Parameters
Size
Fs
Re
Sensitivity
Quality Factor
Rated Power
12 Inch
23 Hz
4 Ohms
88 dB
0.37 Qts
250 W
Description
This 12 inch Woofer, features 2.0 inch voice coil, new mixed pulp and mica cone and ferrite magnet motor system. The frequency response can be extended up to 3K to produce soft and delicate sound.
| T-S Parameters | |
|---|---|
| Resonance frequency [fs] | 23.2 Hz |
| Mechanical Q factor [Qms] | 12.826 |
| Electrical Q factor [Qes] | 0.378 |
| Total Q factor [Qts] | 0.367 |
| Force factor [Bl] | 13.728 Tm |
| Mechanical resistance [Rms] | 1.957 kg/s |
| Moving mass [Mms] | 172.3 g |
| Compliance [Cms] | 0.274 mm/N |
| Effective diaph. diameter [D] | 260 mm |
| Effective piston area [Sd] | 530.93 cm² |
| Equivalent volume [Vas] | 109 l |
| Sensitivity (2.83V/1m) | 87.5 dB |
| Ratio Bl/√Re | 8.17 N/√W |
| Ratio fs/Qts | 63.2 Hz |
| Electrical Data | |
|---|---|
| Nominal impedance [Zn] | 4 Ω |
| Minimum impedance [Zmin] | 3.85 Ω |
| Maximum impedance [Zo] | 66.43 Ω |
| DC resistance [Re] | 2.84 Ω |
| Voice coil inductance [Le] | 0.91 mH |
| Power Handling | |
|---|---|
| 100h RMS noise test (IEC 18.4) | 250 W |
| Long-term max power (IEC 18.2) | 350 W |
| Voice Coil & Magnet Data | |
|---|---|
| Voice coil diameter | 49.55 mm |
| Voice coil height | 33.8 mm |
| Voice coil layers | 4 |
| Height of gap | 8 mm |
| Linear excursion | ± 12.9 mm |
| Max mech. excursion | ± 29mm |
| Unit weight | 7.2 kg |
