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TECTONIC BMR TEBM46C20N-4B Speaker Driver Full Range Paper 20W 4 Ohm 86dB 150Hz - 20kHz Ø 7.6cm
TECTONIC BMR TEBM46C20N-4B
Speaker Driver Full Range Paper 20W 4 Ohm 86dB 150Hz - 20kHz Ø 7.6cm
Tectonic's BMR range consists of wideband loudspeakers designed to cover a very large part of the audible audio spectrum. Thus, the TEBM46C20N-4B has an extended frequency response from 150Hz to 20kHz and a wide directivity. In addition, Tectonic combines flexible wave technology and piston operation to ensure high audio performance despite a very small speaker format.
Dimensions
Technical characteristics
| Specifications | |
|---|---|
| Product type | Full range speaker driver |
| Power | RMS : 20W |
| Impedance | 4 Ohm |
| Frequency response | 150Hz - 20kHz |
| Sensitivity | 86dB 1W/1m |
| Depth | 34.65mm |
| Diameter | 75mm |
| Weight | 194g |
| Thiele-Small Parameters | |||||
|---|---|---|---|---|---|
| Parameter | Description | Min. | Typ. | Max. | Unité |
| Re | DC Resistance | -10% | 3.94 | +10% | Ohm |
| Le | Inductance (@ 10kHz) | -10% | 0.03 | +10% | mH |
| BL | Force factor | - | 4.49 | - | Tm |
| Fs | Resonant frequency | -20% | 170 | +20% | Hz |
| dDrv | Coil diameter | - | 32 | - | mm |
| Mms | Moving mass | - | 2.26 | - | g |
| Cms | Compliance | - | 0.39 | - | mmN-1 |
| Rms | Surrond mechanical resistance | - | 0.16 | - | Nsm-1 |
| Xmax | Max linear excursion | - | 4 | - | mm |
| Sd | Surface area of cone | - | 19.6 | - | cm² |
| Vas | Equivalent compliance volume | - | 0.32 | - | L |
| Qms | Mechanical quality factor | - | 15.16 | - | |
| Qes | Electrical quality factor | - | 0.47 | - | |
| Qts | Total quality factor | - | 0.46 | - | |
| Material | |
|---|---|
| Cone material | Paper |
| Surround material | Rubber |
| Frame material | Polymer |
| Magnet material | Neodymium |
| Mounting information | |
|---|---|
| External overall diameter | 6.78cm (2.67") |
| Cutout diameter | 5.99cm (2.36") |
| Depth | 3.45cm (1.36") |
| Bolt circle diameter | 7.49cm (2.95") |
| Mounting hole fixation | 4 |
| Optimum cabinet size | |
|---|---|
| Sealed volume | 0.01 ft³ |
| Sealed F3 | 300Hz |
| Vented volume | 0.02 ft³ |
| Vented F3 | 118Hz |
| Speaker Power (W RMS) | 20.0 |
| Speaker Type | Full range |
| Impedance (Ω) | 4 |
| Loudspeaker diameter (mm) | 76.0 |
| Diaphragm type | Paper |
| Efficiency / Sensitivity (dB) | 86.0 |
| Max Linear Excursion (Xmax) (mm) | 4.0 |
| Lowest frequency (Hz) | 150 |
| Highest frequency (Hz) | 20000 |
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