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DAYTON AUDIO ND20FB-4 Speaker Driver Dome Tweeter Neodymium 15W 4 Ohm 90dB 3500Hz-25kHz Ø1.9cm
This low-cost tweeter is particularly versatile and offers very good performance. Its advantageous technical characteristics allow it to be integrated in many types of speakers.
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Dayton Audio ND20FB-4
Speaker Driver Dome Tweeter Neodymium 15W 4 Ohm 90dB 3500Hz-25kHz Ø1.9cm
This low-cost tweeter is particularly versatile and offers very good performance. Its advantageous technical characteristics allow it to be integrated in many types of speakers.
Technical characteristics
| Specifications | |
|---|---|
| Speaker driver type | Dome tweeter |
| Nominal diameter | Ø19mm (0.75") |
| Power handling | RMS : 15W |
| Impedance | 4Ω |
| Frequency response | 3500Hz - 25000Hz |
| Sensitivity | 90dB @ 1W/1m |
| Voice coil diameter | Ø19mm |
| Weight | 45g |
| Thiele-Small Parameters | |
|---|---|
| Resonant frequency (Fs) | 2.072Hz |
| DC Resistance (Re) | 3.2Ω |
| Voice coil inductance (Le) | 0.03mH |
| Mechanical quality coefficient (Qms) | 2.08 |
| Electromagnetic quality coefficient (Qes) | 3.74 |
| Total quality coefficient (Qts) | 1.33 |
| Cone surface area (Sd) | 2.8cm² |
| Material | |
|---|---|
| Magnet | Neodymium |
| Mounting informations | |
|---|---|
| Overall outside diameter | Ø39.1mm (1.54") |
| Cutout diameter | Ø35.8mm (1.41") |
| Depth | 19mm (0.75") |
| Speaker Power (W RMS) | 15.0 |
| Speaker Type | Dome tweeter |
| Impedance (Ω) | 4 |
| Loudspeaker diameter (mm) | 19.0 |
| Diaphragm type | N/A |
| Efficiency / Sensitivity (dB) | 90.0 |
| Max Linear Excursion (Xmax) (mm) | N/A |
| Lowest frequency (Hz) | 3500 |
| Highest frequency (Hz) | 25000 |
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