Standard
8” Aluminum Die-cast Frame Coaxial
20OE0EHC25009
Features
2.0” Woofer Edge wound CCAW Voice Coil
1.8” Tweeter Edge wound CCAW Voice Coil
Titanium Tweeter Diaphragm
Ferrite Common Magnet
Aluminum Demodulating Ring
Parameters
Size
8 Inch
Fs
70 Hz
Re
5.89 Ohms
Sensitivity
92 dB
Quality Factor
0.53 Qts
Rated Power
200 W
This 8 inch Coaxials is designed to provide an excellent frequency response linearity with very low distortion. This coaxial use a strongest unique Ferrite magnetic structure that guarantee high dynamic and sensitivity for both components. The mid-bass section use a 2.0 inch voice coil design provides a very high power handling, demodulation ring get a fastest time response and lower distortion.
The compression driver use a 2.5 inch diaphragm with a 0.8 inch throat featuring several state of the art technologies. The diaphragm and suspension are formed from 0.05mm thick pure titanium. The unique magnetic structure allow to get a single point source that providing coherent wave front.
Family
Range
| T-S Parameters | |
|---|---|
| Resonance frequency [fs] | 71.2 Hz |
| Mechanical Q factor [Qms] | 13.173 |
| Electrical Q factor [Qes] | 0.553 |
| Total Q factor [Qts] | 0.531 |
| Force factor [Bl] | 9.839 Tm |
| Mechanical resistance [Rms] | 0.69 kg/s |
| Moving mass [Mms] | 16.769 g |
| Compliance [Cms] | 0.246 mm/N |
| Effective diaph. diameter [D] | 165 mm |
| Effective piston area [Sd] | 213.82 cm² |
| Equivalent volume [Vas] | 15.917 l |
| Sensitivity (2.83V/1m) | 92 dB |
| Ratio Bl/√Re | 4.05 N/√W |
| Ratio fs/Qts | 134.086 Hz |
| Electrical Data | |
|---|---|
| Nominal impedance [Zn] | 8 Ω |
| Minimum impedance [Zmin] | 7.3 Ω |
| Maximum impedance [Zo] | 105.7 Ω |
| DC resistance [Re] | 5.89 Ω |
| Voice coil inductance [Le] | 0.596 mH |
| Power Handling | |
|---|---|
| 100h RMS noise test (IEC 18.4) | 200 W |
| Long-term max power (IEC 18.2) | 400 W |
| Voice Coil & Magnet Data | |
|---|---|
| Voice coil diameter | 49.5 mm |
| Voice coil height | 18.4 mm |
| Voice coil layers | 1 |
| Height of gap | 8 mm |
| Linear excursion | ± 5.2 mm |
| Max mech. excursion | ± - mm |
| Unit weight | 4.6 kg |
