Standard
8” Paper Cone Woofer
20RC6EHC17055F
Features
8”, Steel Frame
1.4” PISV2W Voice Coil, GFB-G Former
Paper Cone, Foam Surround
Dual Ferrite Magnet Motor System
High Sensitivity
Parameters
Size
8 Inch
Fs
65 Hz
Re
3.22 Ohms
Sensitivity
94 dB
Quality Factor
0.66 Qts
Rated Power
50 W
This is a 8 inch 4 ohm transducer, it is a Woofer features 1.4 inch voice coil with PISV2W In term of suspension system, cone is consisted by Paper Cone body with FOAM surround and spider is consisted by NC. In term of magnetic motor system, magnet is consisted by Ferrite material. It can be used on party speaker system.
Family
Range
| T-S Parameters | |
|---|---|
| Resonance frequency [fs] | 63.6 Hz |
| Mechanical Q factor [Qms] | 17.699 |
| Electrical Q factor [Qes] | 0.683 |
| Total Q factor [Qts] | 0.658 |
| Force factor [Bl] | 7.665 Tm |
| Mechanical resistance [Rms] | 0.704 kg/s |
| Moving mass [Mms] | 31.171 g |
| Compliance [Cms] | 0.201 mm/N |
| Effective diaph. diameter [D] | 162 mm |
| Effective piston area [Sd] | 206.12 cm² |
| Equivalent volume [Vas] | 12.0682 l |
| Sensitivity (2.83V/1m) | 94 dB |
| Ratio Bl/√Re | 4.2716 N/√W |
| Ratio fs/Qts | 96.656 Hz |
| Electrical Data | |
|---|---|
| Nominal impedance [Zn] | 4 Ω |
| Minimum impedance [Zmin] | 3.61 Ω |
| Maximum impedance [Zo] | 55.636 Ω |
| DC resistance [Re] | 3.22 Ω |
| Voice coil inductance [Le] | 0.442 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 | 2.3 kg |
