Standard
1.75” Paper Cone Tweeter
AUNCT0004-0050
Features
1.75”, Steel Frame
0.5” PESVW Voice Coil, Kapton Former
Paper Cone
Ferrite Magnet Motor System
Parameters
Size
1.75 Inch
Fs
1700 Hz
Re
5 Ohms
Sensitivity
87 dB
Quality Factor
0.83 Qts
Rated Power
3 W
This is a 1.75 inch 6 ohm driver, it is a Tweeter features 0.5 inch voice coil with PESVW. In term of suspension system, cone is consisted by Paper Cone body with Paper surround and spider is consisted by Cotton. In term of magnet motor system, magnet is consisted by Ferrite material. It can be used on mini speaker system.
Family
Range
| T-S Parameters | |
|---|---|
| Resonance frequency [fs] | 1700 Hz |
| Mechanical Q factor [Qms] | 0.92 |
| Electrical Q factor [Qes] | 9.0 |
| Total Q factor [Qts] | 0.83 |
| Force factor [Bl] | 1.32 Tm |
| Mechanical resistance [Rms] | 2.93 kg/s |
| Moving mass [Mms] | 0.25 g |
| Compliance [Cms] | 0.034 mm/N |
| Effective diaph. diameter [D] | 35 mm |
| Effective piston area [Sd] | 9.6 cm² |
| Equivalent volume [Vas] | 0.0045 l |
| Sensitivity (2.83V/1m) | 87 dB |
| Ratio Bl/√Re | 0.59 N/√W |
| Ratio fs/Qts | 2048 Hz |
| Electrical Data | |
|---|---|
| Nominal impedance [Zn] | 6 Ω |
| Minimum impedance [Zmin] | 5.2 Ω |
| Maximum impedance [Zo] | 5.4 Ω |
| DC resistance [Re] | 5.0 Ω |
| Voice coil inductance [Le] | 0.047 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 | 13.21 mm |
| Voice coil height | 1.8 mm |
| Voice coil layers | 2 |
| Height of gap | 2 mm |
| Linear excursion | ± 0.1 mm |
| Max mech. excursion | ± - mm |
| Unit weight | 0.068 kg |
