Standard
1.75" Paper Cone Fullrange
AUAFD0005-1080
Features
1.75", Steel Frame
0.8" CCAW Voice Coil, Kapton Former
Paper Cone, Rubber Surround, Long Excursion(±2.3mm)
Dual Neodymium Magnet Motor System
Parameters
Size
1.75 Inch
Fs
150 Hz
Re
3.4 Ohms
Sensitivity
81 dB
Quality Factor
0.51 Qts
Rated Power
3 W
This is a 1.75 inch 4 ohm driver, it is a Compact features 0.8 inch voice coil with CCAW. In term of suspension system, cone is consisted by Paper Cone body with NBR surround and spider is consisted by Conex. 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] | 150 Hz |
| Mechanical Q factor [Qms] | 10.688 |
| Electrical Q factor [Qes] | 0.542 |
| Total Q factor [Qts] | 0.516 |
| Force factor [Bl] | 3.713 Tm |
| Mechanical resistance [Rms] | 0.205 kg/s |
| Moving mass [Mms] | 2.303 g |
| Compliance [Cms] | 0.479 mm/N |
| Effective diaph. diameter [D] | 40 mm |
| Effective piston area [Sd] | 12.57 cm² |
| Equivalent volume [Vas] | 0.1071 l |
| Sensitivity (2.83V/1m) | 81 dB |
| Ratio Bl/√Re | 2.0 N/√W |
| Ratio fs/Qts | 290 Hz |
| Electrical Data | |
|---|---|
| Nominal impedance [Zn] | 4 Ω |
| Minimum impedance [Zmin] | 3.9 Ω |
| Maximum impedance [Zo] | 58.5 Ω |
| DC resistance [Re] | 3.4 Ω |
| Voice coil inductance [Le] | 0.143 mH |
| Power Handling | |
|---|---|
| 100h RMS noise test (IEC 18.4) | 3 W |
| Long-term max power (IEC 18.2) | - W |
| Voice Coil & Magnet Data | |
|---|---|
| Voice coil diameter | 19.4 mm |
| Voice coil height | 8.6 mm |
| Voice coil layers | 2 |
| Height of gap | 4 mm |
| Linear excursion | ± 2.3 mm |
| Max mech. excursion | ± - mm |
| Unit weight | 0.086 kg |
