Standard
4" PP Cone Woofer
FSI528540-4800
Features
4", Steel Frame
0.8" EISVW Voice Coil, Kapton Former
PP Cone, Rubber Surround
Dual Ferrite Magnet Motor System
Linear Spider
Parameters
Size
4 Inch
Fs
110 Hz
Re
3.5 Ohms
Sensitivity
90 dB
Quality Factor
1.1 Qts
Rated Power
15 W
This is a 4 inch 4 ohm driver, it is a woofer features 0.8 inch voice coil with EISVW. In term of suspension system, cone is consisted by Paper Cone body with NBR surround and spider is consisted by NC. In term of magnet motor system, magnet is consisted by Ferrite material. It can be used on woofer model.
Family
Range
Characteristics
| T-S Parameters | |
|---|---|
| Resonance frequency [fs] | 109.8 Hz |
| Mechanical Q factor [Qms] | 14.577 |
| Electrical Q factor [Qes] | 1.919 |
| Total Q factor [Qts] | 1.101 |
| Force factor [Bl] | 3.625 Tm |
| Mechanical resistance [Rms] | 0.307 kg/s |
| Moving mass [Mms] | 6.483 g |
| Compliance [Cms] | 0.324 mm/N |
| Effective diaph. diameter [D] | 84 mm |
| Effective piston area [Sd] | 55.42 cm² |
| Equivalent volume [Vas] | 1.4087 l |
| Sensitivity (2.83V/1m) | 90 dB |
| Ratio Bl/√Re | 1.94 N/√W |
| Ratio fs/Qts | 100 Hz |
| Electrical Data | |
|---|---|
| Nominal impedance [Zn] | 4 Ω |
| Minimum impedance [Zmin] | 3.65 Ω |
| Maximum impedance [Zo] | 25.68 Ω |
| DC resistance [Re] | 3.5 Ω |
| Voice coil inductance [Le] | 0.154 mH |
| Power Handling | |
|---|---|
| 100h RMS noise test (IEC 18.4) | 15 W |
| Long-term max power (IEC 18.2) | - W |
| Voice Coil & Magnet Data | |
|---|---|
| Voice coil diameter | 20.32 mm |
| Voice coil height | 7.0 mm |
| Voice coil layers | 2 |
| Height of gap | 4 mm |
| Linear excursion | ± 1.5 mm |
| Max mech. excursion | ± - mm |
| Unit weight | 0.613 kg |
