Standard
1.75” Paper Cone Fullrange
04A15EHC18226R
Features
1.75”, Steel Frame
0.6” CCAW Voice Coil, Kapton Former
Paper Cone, TPU Surround
Dual Neodymium Magnet Motor System
Parameters
Size
1.75 Inch
Fs
250 Hz
Re
3.32 Ohms
Sensitivity
85 dB
Quality Factor
0.67 Qts
Rated Power
2 W
This is a 1.75 inch 4 ohm driver, it is a Fullrange features 0.6 inch voice coil with CCAW. In term of suspension system, cone is consisted by Paper Cone body with TPU surround and spider is consisted by NC. In term of magnet motor system, magnet is consisted by Neodymium material. It can be used on Bluetooth speakers model.
Family
Range
Characteristics
| T-S Parameters | |
|---|---|
| Resonance frequency [fs] | 250.2 Hz |
| Mechanical Q factor [Qms] | 6.87 |
| Electrical Q factor [Qes] | 0.747 |
| Total Q factor [Qts] | 0.673 |
| Force factor [Bl] | 2.254 Tm |
| Mechanical resistance [Rms] | 0.166 kg/s |
| Moving mass [Mms] | 0.727 g |
| Compliance [Cms] | 0.556 mm/N |
| Effective diaph. diameter [D] | 34.2 mm |
| Effective piston area [Sd] | 9.19 cm² |
| Equivalent volume [Vas] | 0.0665 l |
| Sensitivity (2.83V/1m) | 85 dB |
| Ratio Bl/√Re | 1.237 N/√W |
| Ratio fs/Qts | 371.77 Hz |
| Electrical Data | |
|---|---|
| Nominal impedance [Zn] | 4 Ω |
| Minimum impedance [Zmin] | 3.478 Ω |
| Maximum impedance [Zo] | 23.266 Ω |
| DC resistance [Re] | 3.32 Ω |
| Voice coil inductance [Le] | 0.075 mH |
| Power Handling | |
|---|---|
| 100h RMS noise test (IEC 18.4) | 2 W |
| Long-term max power (IEC 18.2) | - W |
| Voice Coil & Magnet Data | |
|---|---|
| Voice coil diameter | 16.28 mm |
| Voice coil height | 2.3 mm |
| Voice coil layers | 4 |
| Height of gap | 2 mm |
| Linear excursion | ± 0.15 mm |
| Max mech. excursion | ± - mm |
| Unit weight | 0.044 kg |
