1.75” Paper Cone Fullrange
ASDFL0001-0400
Features
1.75”, Steel Frame
0.8” PESVW Voice Coil, Kapton Former
Paper Cone, Rubber Surround
Dual Neodymium Magnet Motor System
Wide Frequency Range, Low Distortion(<3%)
Linear Spider
Parameters
Size
1.75 Inch
Fs
165 Hz
Re
3.8 Ohms
Sensitivity
83 dB
Quality Factor
0.49 Qts
Rated Power
4 W
This Fullrange 1.75 inch driver features 0.8 inch PESVW voice coil, special MYLAR material dust-cap,
reversed rubber surround and Dual Neodymium Magnet motor system to extend the high frequency response
up to 20KHz with low distortion (<3%). This optimum driver is in production for Premium speaker applications.
Family
Range
Characteristics
| T-S Parameters | |
|---|---|
| Resonance frequency [fs] | 162.8 Hz |
| Mechanical Q factor [Qms] | 5.87 |
| Electrical Q factor [Qes] | 0.54 |
| Total Q factor [Qts] | 0.49 |
| Force factor [Bl] | 3.49 Tm |
| Mechanical resistance [Rms] | 0.32 kg/s |
| Moving mass [Mms] | 1.81 g |
| Compliance [Cms] | 0.53 mm/N |
| Effective diaph. diameter [D] | 37 mm |
| Effective piston area [Sd] | 10.75 cm² |
| Equivalent volume [Vas] | 0.09 l |
| Sensitivity (2.83V/1m) | 83 dB |
| Ratio Bl/√Re | 1.79 N/√W |
| Ratio fs/Qts | 332.2 Hz |
| Electrical Data | |
|---|---|
| Nominal impedance [Zn] | 4 Ω |
| Minimum impedance [Zmin] | 3.76 Ω |
| Maximum impedance [Zo] | 34.56 Ω |
| DC resistance [Re] | 3.8 Ω |
| Voice coil inductance [Le] | 0.11 mH |
| Power Handling | |
|---|---|
| 100h RMS noise test (IEC 18.4) | 4 W |
| Long-term max power (IEC 18.2) | 11 W |
| Voice Coil & Magnet Data | |
|---|---|
| Voice coil diameter | 19.4 mm |
| Voice coil height | 6.1 mm |
| Voice coil layers | 2 |
| Height of gap | 3 mm |
| Linear excursion | ± 1.55 mm |
| Max mech. excursion | ± 3.5 mm |
| Unit weight | 0.065 kg |
