Standard
4” Aluminum Die-cast Frame Coaxial
10O85EHC25081A
Features
4” Carbon Cone Woofer
WF Strong Ferrite Magnet System
0.8” Silk Dome Tweeter
TW Neodymium Magnet System
Low Distortion(<3%)
Parameters
Size
4 Inch
Fs
65 Hz
Re
6.2 Ohms
Sensitivity
89 dB
Quality Factor
0.48 Qts
Rated Power
35 W
The ultimate 4 inch Coaxial driver have been newly designed by customized Aluminum frame with smooth mid range 0.8 inch dome tweeter and powerful mid bass. Upgraded Aluminum cone and Ferrite magnet motor system provide precision engineered and authentic audio performance. This driver is the greatest usages for professional use with incredibly coherent soundstage.
Family
Range
| T-S Parameters | |
|---|---|
| Resonance frequency [fs] | 64 Hz |
| Mechanical Q factor [Qms] | 3.18 |
| Electrical Q factor [Qes] | 0.57 |
| Total Q factor [Qts] | 0.48 |
| Force factor [Bl] | 5.2 Tm |
| Mechanical resistance [Rms] | 0.79 kg/s |
| Moving mass [Mms] | 6.3 g |
| Compliance [Cms] | 0.98 mm/N |
| Effective diaph. diameter [D] | 83 mm |
| Effective piston area [Sd] | 54.11 cm² |
| Equivalent volume [Vas] | 4.07 l |
| Sensitivity (2.83V/1m) | 89 dB |
| Ratio Bl/√Re | 2.09 N/√W |
| Ratio fs/Qts | 133.3 Hz |
| Electrical Data | |
|---|---|
| Nominal impedance [Zn] | 8 Ω |
| Minimum impedance [Zmin] | 7.2 Ω |
| Maximum impedance [Zo] | 36 Ω |
| DC resistance [Re] | 6.2 Ω |
| Voice coil inductance [Le] | 0.126 mH |
| Power Handling | |
|---|---|
| 100h RMS noise test (IEC 18.4) | 35 W |
| Long-term max power (IEC 18.2) | - W |
| Voice Coil & Magnet Data | |
|---|---|
| Voice coil diameter | 25.4 mm |
| Voice coil height | 12.5 mm |
| Voice coil layers | 2 |
| Height of gap | 6 mm |
| Linear excursion | ± 3.25 mm |
| Max mech. excursion | ± - mm |
| Unit weight | 0.95 kg |
