Standard
1.7” Aluminum Diaphragm Fullrange
04A27EHC25051
Features
1.7”, Plastic Frame
0.7” PEPSCAW Voice Coil
Aluminum Diaphragm and NBR rubber surround
Neodymium magnet motor system
Parameters
Size
1.7 Inch
Fs
340 Hz
Re
4.72 Ohms
Sensitivity
83 dB
Quality Factor
0.83 Qts
Rated Power
8 W
The compact size is one of the key attractions of the micro full range, which enables significant adaptability within design options. This 1.7 inch speaker optimizes 0.7 inch voice coil, anodized aluminum diaphragm and NBR rubber surround, tailored for portable speaker solutions.
Family
Range
| T-S Parameters | |
|---|---|
| Resonance frequency [fs] | 337.6 Hz |
| Mechanical Q factor [Qms] | 2.3 |
| Electrical Q factor [Qes] | 1.31 |
| Total Q factor [Qts] | 0.83 |
| Force factor [Bl] | 2.35 Tm |
| Mechanical resistance [Rms] | 0.85 kg/s |
| Moving mass [Mms] | 0.92 g |
| Compliance [Cms] | 0.24 mm/N |
| Effective diaph. diameter [D] | 33 mm |
| Effective piston area [Sd] | 8.55 cm² |
| Equivalent volume [Vas] | 0.0296 l |
| Sensitivity (2.83V/1m) | 83 dB |
| Ratio Bl/√Re | 1.21 N/√W |
| Ratio fs/Qts | 406.74 Hz |
| Electrical Data | |
|---|---|
| Nominal impedance [Zn] | 4 Ω |
| Minimum impedance [Zmin] | 4.5 Ω |
| Maximum impedance [Zo] | 11.4 Ω |
| DC resistance [Re] | 3.72 Ω |
| Voice coil inductance [Le] | 0.048 mH |
| Power Handling | |
|---|---|
| 100h RMS noise test (IEC 18.4) |
5 W |
| Long-term max power (IEC 18.2) | 8 W |
| Voice Coil & Magnet Data | |
|---|---|
| Voice coil diameter | 28.9 mm |
| Voice coil height | 3.5 mm |
| Voice coil layers | 2 |
| Height of gap | 2.2 mm |
| Linear excursion | ± 0.65 mm |
| Max mech. excursion | ± - mm |
| Unit weight | 0.063 kg |
