Standard
1.75” Paper Cone Fullrange
FIAFD0515-1400
Features
1.75”, Steel Frame
0.5” CCAW Voice Coil, Kapton Former
Paper Cone, Rubber Surround
Neodymium Magnet Motor System
Parameters
Size
1.75 Inch
Fs
185 Hz
Re
3.9 Ohms
Sensitivity
81 dB
Quality Factor
0.98 Qts
Rated Power
5 W
This is a 1.75 inch 4 ohm driver, it is a compact features 0.5 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 portable speaker model.
Family
Range
Characteristics
| T-S Parameters | |
|---|---|
| Resonance frequency [fs] | 182.9 Hz |
| Mechanical Q factor [Qms] | 5.564 |
| Electrical Q factor [Qes] | 1.186 |
| Total Q factor [Qts] | 0.978 |
| Force factor [Bl] | 1.982 Tm |
| Mechanical resistance [Rms] | 0.215 kg/s |
| Moving mass [Mms] | 1.04 g |
| Compliance [Cms] | 0.728 mm/N |
| Effective diaph. diameter [D] | 36 mm |
| Effective piston area [Sd] | 10.18 cm² |
| Equivalent volume [Vas] | 0.1067 l |
| Sensitivity (2.83V/1m) | 81 dB |
| Ratio Bl/√Re | 1.003 N/√W |
| Ratio fs/Qts | 186.09 Hz |
| Electrical Data | |
|---|---|
| Nominal impedance [Zn] | 4 Ω |
| Minimum impedance [Zmin] | 3.9 Ω |
| Maximum impedance [Zo] | 15.4 Ω |
| DC resistance [Re] | 3.9 Ω |
| Voice coil inductance [Le] | 0.073 mH |
| Power Handling | |
|---|---|
| 100h RMS noise test (IEC 18.4) | 5 W |
| Long-term max power (IEC 18.2) | - W |
| Voice Coil & Magnet Data | |
|---|---|
| Voice coil diameter | 14.28 mm |
| Voice coil height | 5.3 mm |
| Voice coil layers | 2 |
| Height of gap | 2.5 mm |
| Linear excursion | ± 1.4 mm |
| Max mech. excursion | ± - mm |
| Unit weight | 0.035 kg |
