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Speaker Driver Full Range Paper 20W 8 Ohm 81dB 80Hz - 20kHz
Tectonic's BMR range consists of wideband loudspeakers designed to cover a very large part of the audible audio spectrum. Thus, the TEBM65C20F-8 has an extended frequency response from 80Hz 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.
| Specifications | |
|---|---|
| Product type | Full range speaker driver |
| Nominal diameter | 8.9cm |
| Power | RMS : 20W Max : 40W |
| Impedance | 8 Ohm |
| Frequency response | 80Hz - 20kHz |
| Sensitivity | 81dB 1W/1m |
| Thiele-Small Parameters | |||||
|---|---|---|---|---|---|
| Parameter | Description | Min. | Typ. | Max. | Unité |
| Re | DC Resistance | -10% | 7.41 | +10% | Ohm |
| Le | Inductance (@ 10kHz) | -10% | 0.058 | +10% | mH |
| BL | Force factor | - | 4.34 | - | Tm |
| Fs | Resonant frequency | -20% | 92 | +20% | Hz |
| dDrv | Coil diameter | - | 25.4 | - | mm |
| Mms | Moving mass | - | 5.77 | - | g |
| Cms | Compliance | - | 0.52 | - | mmN-1 |
| Rms | Surround mechanical resistance | - | 0.56 | - | Nsm-1 |
| Xmax | Max linear excursion | - | 3.5 | - | mm |
| Sd | Surface area of cone | - | 37.2 | - | cm² |
| Vas | Equivalent compliance volume | - | 1.01 | - | L |
| Qms | Mechanical quality factor | - | 5.93 | - | |
| Qes | Electrical quality factor | - | 1.31 | - | |
| Qts | Total quality factor | - | 1.07 | - | |
| Material | |
|---|---|
| Diaphragm material | Paper |
| Magnet material | Ferrite |
| Mounting informations | |
|---|---|
| Total external diameter | 10.8cm (4.25") |
| Cutout diameter | 8.64cm (3.4") |
| Depth | 4.77cm (1.88") |
| Mouting hole number | 6 |
| Optimum cabinet size | |
|---|---|
| Sealed volume | 0.1 ft³ |
| Sealed F3 | 84Hz |
| Vented volume | 0.2 ft³ |
| Vented F3 | 50Hz |
| Speaker Power (W RMS) | 20.0 |
| Speaker Type | Full range |
| Impedance (Ω) | 8 |
| Loudspeaker diameter (mm) | 89.0 |
| Diaphragm type | Paper |
| Efficiency / Sensitivity (dB) | 81.0 |
| Max Linear Excursion (Xmax) (mm) | 3.5 |
| Lowest frequency (Hz) | 80 |
| Highest frequency (Hz) | 20000 |
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