Standard
85mm x 40mm Paper Cone Woofer
FSB520508-1800
Features
85mm x 40mm, Steel Frame
0.6” EISVW Voice Coil, Kapton Former
Paper Cone, Rubber Surround
Ferrite Magnet Motor System
Parameters
Size
2.25 Inch
Fs
175 Hz
Re
7.83 Ohms
Sensitivity
80 dB
Quality Factor
1.14 Qts
Rated Power
5 W
This is a 85mm x 40mm 8 ohm driver, it is a woofer features 0.6 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 Soundbar model.
Family
Range
| T-S Parameters | |
|---|---|
| Resonance frequency [fs] | 172.7 Hz |
| Mechanical Q factor [Qms] | 6.337 |
| Electrical Q factor [Qes] | 1.397 |
| Total Q factor [Qts] | 1.145 |
| Force factor [Bl] | 4.399 Tm |
| Mechanical resistance [Rms] | 0.545 kg/s |
| Moving mass [Mms] | 3.181 g |
| Compliance [Cms] | 0.267 mm/N |
| Effective diaph. diameter [D] | 73.7 x 30 mm |
| Effective piston area [Sd] | 17.37 cm² |
| Equivalent volume [Vas] | 0.1144 l |
| Sensitivity (2.83V/1m) | 80 dB |
| Ratio Bl/√Re | 1.57 N/√W |
| Ratio fs/Qts | 151 Hz |
| Electrical Data | |
|---|---|
| Nominal impedance [Zn] | 8 Ω |
| Minimum impedance [Zmin] | 7.34 Ω |
| Maximum impedance [Zo] | 27.92 Ω |
| DC resistance [Re] | 7.83 Ω |
| Voice coil inductance [Le] | 0.413 mH |
| Power Handling | |
|---|---|
| 100h RMS noise test (IEC 18.4) | 5 W |
| Long-term max power (IEC 18.2) | - W |
| Voice Coil & Magnet Data | |
|---|---|
| Voice coil diameter | 16.28 mm |
| Voice coil height | 4.6 mm |
| Voice coil layers | 4 |
| Height of gap | 3 mm |
| Linear excursion | ± 0.8 mm |
| Max mech. excursion | ± - mm |
| Unit weight | 0.176 kg |
