1” Magnesium-Lithium Dome Tweeter
AUGDL0003-JN03
Features
4”, Aluminum Alloy Front Panel
1” CCAW Voice Coil, Aluminum Former
Mg-Li Alloy Dome, Soft Surround
Ferrite Magnet Motor System
Parameters
Size
1 Inch
Fs
725 Hz
Re
3.53 Ohms
Sensitivity
90 dB
Quality Factor
0.73 Qts
Rated Power
20 W
This 4 inch Aluminum Alloy Tweeter, 4 ohm, with Front-Mounting panel. It has good process ability and
high yield for mass production. Because of this special raw material structure and unique processing
technology, from magnesium lithium metal foil, the attributes of Magnesium Lithium offer high strength,
good rigidity, good heat resistance, low density and so on.
Family
Range
Characteristics
| T-S Parameters | |
|---|---|
| Resonance frequency [fs] | 725.3 Hz |
| Mechanical Q factor [Qms] | 2.286 |
| Electrical Q factor [Qes] | 1.086 |
| Total Q factor [Qts] | 0.736 |
| Force factor [Bl] | 2.38Tm |
| Mechanical resistance [Rms] | 0.761kg/s |
| Moving mass [Mms] | 0.382g |
| Compliance [Cms] | 0.126mm/N |
| Effective diaph. diameter [D] | 28 mm |
| Effective piston area [Sd] | 6.16 cm² |
| Equivalent volume [Vas] | 0.007 l |
| Sensitivity (2.83V/1m) | 90 dB |
| Ratio Bl/√Re | 1.27 N/√W |
| Ratio fs/Qts | 985.4 Hz |
| Electrical Data | |
|---|---|
| Nominal impedance [Zn] | 4 Ω |
| Minimum impedance [Zmin] | 3.8 Ω |
| Maximum impedance [Zo] | 14.6 Ω |
| DC resistance [Re] | 3.53 Ω |
| Voice coil inductance [Le] | 0.022 mH |
| Power Handling | |
|---|---|
| 100h RMS noise test (IEC 18.4) | 20 W |
| Long-term max power (IEC 18.2) | - W |
| Voice Coil & Magnet Data | |
|---|---|
| Voice coil diameter | 25.4 mm |
| Voice coil height | 2.1 mm |
| Voice coil layers | 2 |
| Height of gap | 2.5 mm |
| Linear excursion | ± 0.2 mm |
| Max mech. excursion | ± - mm |
| Unit weight | 0.66kg |
