Standard
7" Paper Cone Woofer
FSI523070-7414
Features
7", Steel Frame
1.2" EISVW Voice Coil, Aluminum Former
Paper Cone, Red Foam Surround
Dual Ferrite Magnet Motor System
Linear Spider
Parameters
Size
7 Inch
Fs
70 Hz
Re
3.54 Ohms
Sensitivity
89 dB
Quality Factor
0.49 Qts
Rated Power
30 W
This is a 7 inch 4 ohm driver, it is a Woofer features 1.2 inch voice coil with EISVW. In term of suspension system, cone is consisted by Paper Cone body with Foam 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] | 72 Hz |
| Mechanical Q factor [Qms] | 5.931 |
| Electrical Q factor [Qes] | 0.542 |
| Total Q factor [Qts] | 0.497 |
| Force factor [Bl] | 8.731 Tm |
| Mechanical resistance [Rms] | 1.971 kg/s |
| Moving mass [Mms] | 25.655 g |
| Compliance [Cms] | 0.188 mm/N |
| Effective diaph. diameter [D] | 143 mm |
| Effective piston area [Sd] | 160.6 cm² |
| Equivalent volume [Vas] | 6.855 l |
| Sensitivity (2.83V/1m) | 89 dB |
| Ratio Bl/√Re | 4.64 N/√W |
| Ratio fs/Qts | 144.87 Hz |
| Electrical Data | |
|---|---|
| Nominal impedance [Zn] | 4 Ω |
| Minimum impedance [Zmin] | 3.94 Ω |
| Maximum impedance [Zo] | 27.5 Ω |
| DC resistance [Re] | 3.54 Ω |
| Voice coil inductance [Le] | 0.591 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 | 30.5 mm |
| Voice coil height | 10 mm |
| Voice coil layers | 4 |
| Height of gap | 6 mm |
| Linear excursion | ± 2 mm |
| Max mech. excursion | ± - mm |
| Unit weight | 1.698 kg |
