Standard
1.25” Titanium Dome Fullrange
03A19EHC19174
Features
1.25”, Plastic Frame
0.8” CCAW Voice Coil, Aluminum Former
Titanium Dome Diaphragm, PU Surround
Neodymium Magnet Motor System
Frequency Response Extended to 20KHz
Parameters
Size
1.25 Inch
Fs
255 Hz
Re
3.7 Ohms
Sensitivity
82.5 dB
Quality Factor
0.43 Qts
Rated Power
1.5 W
This compact Fullrange driver features an 0.8 inch voice coil, Titanium dome diaphragm with Neodymium Magnet for high SPL. The Fullrange driver also features CCAW, which can extend the high frequency response to 20 KHz. This product is designed for premium compact sound bars and portable speaker applications.
Family
Range
Characteristics
| T-S Parameters | |
|---|---|
| Resonance frequency [fs] | 254 Hz |
| Mechanical Q factor [Qms] | 1.76 |
| Electrical Q factor [Qes] | 0.57 |
| Total Q factor [Qts] | 0.43 |
| Force factor [Bl] | 2.17 Tm |
| Mechanical resistance [Rms] | 0.41 kg/s |
| Moving mass [Mms] | 0.45 g |
| Compliance [Cms] | 0.85 mm/N |
| Effective diaph. diameter [D] | 25 mm |
| Effective piston area [Sd] | 4.91 cm² |
| Equivalent volume [Vas] | 0.029 l |
| Sensitivity (2.83V/1m) | 82.5 dB |
| Ratio Bl/√Re | 1.13 N/√W |
| Ratio fs/Qts | 590 Hz |
| Electrical Data | |
|---|---|
| Nominal impedance [Zn] | 4 Ω |
| Minimum impedance [Zmin] | 3.7 Ω |
| Maximum impedance [Zo] | 7.3 Ω |
| DC resistance [Re] | 3.7 Ω |
| Voice coil inductance [Le] | 0.05 mH |
| Power Handling | |
|---|---|
| 100h RMS noise test (IEC 18.4) | 1.5 W |
| Long-term max power (IEC 18.2) | 2 W |
| Voice Coil & Magnet Data | |
|---|---|
| Voice coil diameter | 20.32 mm |
| Voice coil height | 1.8 mm |
| Voice coil layers | 4 |
| Height of gap | 1.5 mm |
| Linear excursion | ± 0.15 mm |
| Max mech. excursion | ± - mm |
| Unit weight | 0.0264 kg |
