Standard
8" Mica Cone Woofer
20LC6EHC20082
Features
8", Steel Frame
1.4" PISV2W Voice Coil, GFB-P Former
Mica Cone, Foam Surround
Ferrite Magnet Motor System
High Sensitivity
Parameters
Size
8 Inch
Fs
65 Hz
Re
3.22 Ohms
Sensitivity
94 dB
Quality Factor
0.67 Qts
Rated Power
50 W
This is a 8 inch 4 ohm driver, it is a Woofer features 1.4 inch voice coil with PISV2W. In term of suspension system, cone is consisted by Mica 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 woofer model.
Family
Range
| T-S Parameters | |
|---|---|
| Resonance frequency [fs] | 63.8 Hz |
| Mechanical Q factor [Qms] | 17.928 |
| Electrical Q factor [Qes] | 0.695 |
| Total Q factor [Qts] | 0.669 |
| Force factor [Bl] | 7.638 Tm |
| Mechanical resistance [Rms] | 0.702 kg/s |
| Moving mass [Mms] | 31.4 g |
| Compliance [Cms] | 0.198 mm/N |
| Effective diaph. diameter [D] | 162 mm |
| Effective piston area [Sd] | 206.13 cm² |
| Equivalent volume [Vas] | 11.9218 l |
| Sensitivity (2.83V/1m) | 94 dB |
| Ratio Bl/√Re | 4.256 N/√W |
| Ratio fs/Qts | 95.37 Hz |
| Electrical Data | |
|---|---|
| Nominal impedance [Zn] | 4 Ω |
| Minimum impedance [Zmin] | 3.625 Ω |
| Maximum impedance [Zo] | 51.5 Ω |
| DC resistance [Re] | 3.22 Ω |
| Voice coil inductance [Le] | 0.443 mH |
| Power Handling | |
|---|---|
| 100h RMS noise test (IEC 18.4) | 50 W |
| Long-term max power (IEC 18.2) | - W |
| Voice Coil & Magnet Data | |
|---|---|
| Voice coil diameter | 35.5 mm |
| Voice coil height | 14.5 mm |
| Voice coil layers | 2 |
| Height of gap | 6 mm |
| Linear excursion | ± 4.25 mm |
| Max mech. excursion | ± - mm |
| Unit weight | 2.17 kg |
