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The Dayton Audio TD20F-4 silk dome tweeter incorporates an optimized diaphragm that combines low mass, superb damping and a carefully calculated dome profile, delivering an exceptionally linear frequency response. This, combined with the low-distortion neodymium magnet motor system, ensures that high-frequency content is reproduced as transparently as possible.
Technical characteristics
| Specifications | |
|---|---|
| Speaker driver type | Tweeter |
| Nominal diameter | Ø19mm (0.75") |
| Power handling | RMS : 20W |
| Impedance | 4Ω |
| Frequency response | 3000Hz - 20kHz |
| Sensitivity | 90dB @ 2.83V/1m |
| Voice coil diameter | - |
| Weight | 86g |
| Total external dimensions | Ø65x15mm |
| Magnet weight | - |
| Thiele-Small parameters | |
|---|---|
| Resonant frequency (fS) | 1696Hz |
| DC resistance (RE) | 3.4Ω |
| Voice coil inductance (LE) | 0.03mH @ 10kHz |
| Mechanical quality factor (QMS) | 1.90 |
| Electrical quality factor (QES) | 4.99 |
| Total quality factor (QTS) | 1.38 |
| Effective area (SD) | 31..4cm² |
| Materials | |
|---|---|
| Magnet | Neodymium |
| Mounting informations | |
|---|---|
| External dimensions | 65 x 15mm |
| Cutout diameter | Ø35mm |
| Depth | 15mm |
| Bolt circle diameter | 55mm |
| Number of mounting holes | 4 |
| Speaker Power (W RMS) | 20.0 |
| 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) | 3000 |
| Highest frequency (Hz) | 20000 |
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