Standard
7" PP Cone Woofer
FSB523070-7400
Features
7", Steel Frame
1" EISVW Voice Coil, Kapton Forme
PP Cone, Rubber Surround, Long Excursion(±5.5mm)
Ferrite Magnet Motor System
Linear Spider
Parameters
Size
7 Inch
Fs
80 Hz
Re
3.66 Ohms
Sensitivity
87 dB
Quality Factor
1.22 Qts
Rated Power
30 W
This is a 7 inch 4 ohm driver, it is a Woofer features 1 inch voice coil with EISVW. In term of suspension system, cone is consisted by PP 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 HIFI audio.
Family
Range
| T-S Parameters | |
|---|---|
| Resonance frequency [fs] | 79.2 Hz |
| Mechanical Q factor [Qms] | 5.147 |
| Electrical Q factor [Qes] | 1.604 |
| Total Q factor [Qts] | 1.223 |
| Force factor [Bl] | 5.289 Tm |
| Mechanical resistance [Rms] | 2.383 kg/s |
| Moving mass [Mms] | 24.638 g |
| Compliance [Cms] | 0.164 mm/N |
| Effective diaph. diameter [D] | 145 mm |
| Effective piston area [Sd] | 165.13 cm² |
| Equivalent volume [Vas] | 6.3216 l |
| Sensitivity (2.83V/1m) | 87 dB |
| Ratio Bl/√Re | 2.76 N/√W |
| Ratio fs/Qts | 65 Hz |
| Electrical Data | |
|---|---|
| Nominal impedance [Zn] | 4 Ω |
| Minimum impedance [Zmin] | 3.93 Ω |
| Maximum impedance [Zo] | 12.64 Ω |
| DC resistance [Re] | 3.66 Ω |
| Voice coil inductance [Le] | 0.338 mH |
| Power Handling | |
|---|---|
| 100h RMS noise test (IEC 18.4) | 30 W |
| Long-term max power (IEC 18.2) | - W |
| Voice Coil & Magnet Data | |
|---|---|
| Voice coil diameter | 25.4 mm |
| Voice coil height | 17 mm |
| Voice coil layers | 2 |
| Height of gap | 6 mm |
| Linear excursion | ± 5.5 mm |
| Max mech. excursion | ± - mm |
| Unit weight | 1.208 kg |
