Beyma 8BR40/N subwoofer 20cm, potenza 50/100 Watt
| Power capacity | 50 W RMS |
| Nominal diameter | 200 mm 8 in |
| Nominal impedance | 8 Ohm |
| Minimum impedance | 6.4 ohm |
| Program power | 100 W |
| Sensitivity | 91 dB @ 1 W/1m @ ZN |
| Frequency range | 30-6000 Hz |
| Recommended enclosure volume | 20 / 60 l 0.7 / 2.12 ft.³ |
| Voice coil diameter | 25.4 mm 1 in |
| BL factor | 6.8 N/A |
| Moving mass | 0.021 kg |
| Winding length | 16 mm |
| Air gap height | 6 mm |
| Xdamage pp | 20 mm |
THIELE SMALL PARAMETERS
| Fs | 30 Hz |
| Re | 5.5 ohm |
| Qms | 2.05 |
| Qes | 0.48 |
| Qts | 0.39 |
| Vas | 89.1 l |
| Cms | 1301 µm / N |
| Rms | 1.99 kg/s |
| Efficiency % | 0.5 |
| Sd | 0.022 m² |
| Xmax | 6.7 mm |
| Vd | 147 cm³ |
| Le @1 kHz | 0.5 mH |
CONSTRUCTIVE DETAILS
| Net weight | 1.35 kg 2.97 lb |
| Total weight | 1.55 kg 3.41 lb |
| Magnet | Ferrite |
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