BACK
Description
ET has proud to present this most compatible 6.5 woofer with great displacement woofer unit. This 4 ohm woofer achieves the deepest of 50Hz for the strong woofer experience with low distortion. Unit consisted with 1.5 inch CCAW voice coil, Pulp cone and Ferrite magnet motor system. It is the new benchmark for the home theater systems.
Features
- 6.5", Aluminum Die-cast Frame
- 1.5" CCAW Voice Coil, Aluminum Former
- Carbon Pulp Cone, Rubber Surround
- Ferrite Magnet Motor System
- Low Distortion (<3%)
Parameters
Size
Fs
Re
Sensitivity
Quality Factor
Rated Power
6.5 Inch
55 Hz
4 Ohms
90 dB
0.54 Qts
75 W
Description
ET has proud to present this most compatible 6.5 woofer with great displacement woofer unit. This 4 ohm woofer achieves the deepest of 50Hz for the strong woofer experience with low distortion. Unit consisted with 1.5 inch CCAW voice coil, Pulp cone and Ferrite magnet motor system. It is the new benchmark for the home theater systems.
| T-S Parameters | |
|---|---|
| Resonance frequency [fs] | 55 Hz |
| Mechanical Q factor [Qms] | 9.97 |
| Electrical Q factor [Qes] | 0.57 |
| Total Q factor [Qts] | 0.54 |
| Force factor [Bl] | 7.0 Tm |
| Mechanical resistance [Rms] | 0.67 kg/s |
| Moving mass [Mms] | 19.25 g |
| Compliance [Cms] | 0.44 mm/N |
| Effective diaph. diameter [D] | 130 mm |
| Effective piston area [Sd] | 132.73 cm² |
| Equivalent volume [Vas] | 10.93 l |
| Sensitivity (2.83V/1m) | 90 dB |
| Ratio Bl/√Re | 3.42 N/√W |
| Ratio fs/Qts | 101.48 Hz |
| Electrical Data | |
|---|---|
| Nominal impedance [Zn] | 4 Ω |
| Minimum impedance [Zmin] | 4.9 Ω |
| Maximum impedance [Zo] | 43.5 Ω |
| DC resistance [Re] | 4.2 Ω |
| Voice coil inductance [Le] | 0.16 mH |
| Power Handling | |
|---|---|
| 100h RMS noise test (IEC 18.4) | 75 W |
| Long-term max power (IEC 18.2) | W |
| Voice Coil & Magnet Data | |
|---|---|
| Voice coil diameter | 35.5 mm |
| Voice coil height | 20.4 mm |
| Voice coil layers | 2 |
| Height of gap | 8 mm |
| Linear excursion | ± 6.2 mm |
| Max mech. excursion | ± 16.5 mm |
| Unit weight | 2.56 kg |
