Standard
1'' Aluminum Diaphragm Fullrange
03A14EHC25049
Features
1”, Plastic Frame
0.5” PEPSCAW Voice Coil
Aluminum Diaphragm and NBR rubber
Neodymium magnet motor system
Parameters
Size
1 Inch
Fs
520 Hz
Re
5.73 Ohms
Sensitivity
79 dB
Quality Factor
1.2 Qts
Rated Power
3 W
The portable size is one of the key elements of the micro full range, which provides a high degree of flexibility within design options. This 1 inch speaker features 0.5 inch voice coil, anodized aluminum diaphragm and NBR rubber surround, designed for portable speaker products.
Family
Range
| T-S Parameters | |
|---|---|
| Resonance frequency [fs] | 522.8 Hz |
| Mechanical Q factor [Qms] | 1.90 |
| Electrical Q factor [Qes] | 3.3 |
| Total Q factor [Qts] | 1.2 |
| Force factor [Bl] | 1.29 Tm |
| Mechanical resistance [Rms] | 0.51 kg/s |
| Moving mass [Mms] | 0.29 g |
| Compliance [Cms] | 0.31 mm/N |
| Effective diaph. diameter [D] | 21 mm |
| Effective piston area [Sd] | 3.46 cm² |
| Equivalent volume [Vas] | 0.0193 l |
| Sensitivity (2.83V/1m) | 79 dB |
| Ratio Bl/√Re | 0.53 N/√W |
| Ratio fs/Qts | 435.66 Hz |
| Electrical Data | |
|---|---|
| Nominal impedance [Zn] | 6 Ω |
| Minimum impedance [Zmin] | 6.3 Ω |
| Maximum impedance [Zo] | 10.6 Ω |
| DC resistance [Re] | 5.73 Ω |
| Voice coil inductance [Le] | 0.038 mH |
| Power Handling | |
|---|---|
| 100h RMS noise test (IEC 18.4) | 2 W |
| Long-term max power (IEC 18.2) | 3 W |
| Voice Coil & Magnet Data | |
|---|---|
| Voice coil diameter | 14.28 mm |
| Voice coil height | 3.1 mm |
| Voice coil layers | 2 |
| Height of gap | 1.5 mm |
| Linear excursion | ± 0.8 mm |
| Max mech. excursion | ± - mm |
| Unit weight | 0.015 kg |
