Beyma BF8R Subwoofer 20 cm
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Beyma BF8R low frequency transducer
| Nominal diameter | 200 mm 8 in |
| Nominal impedance | 8 Ohm |
| Minimum impedance | 6.8 ohm |
| Power capacity | 50 W RMS |
| Program power | 100 W |
| Sensitivity | 90 dB 1 W @ 1m @ 2Π |
| Frequency range | 30-6000 Hz |
| Recommended enclosure volume | 15 / 40 l 0.53 / 1.41 ft.³ |
| Voice coil diameter | 25.8 mm 1 in |
| BL factor | 5.9 N / A |
| Moving mass | 0.021 kg |
| Winding length | 14 mm |
| Air gap height | 6 mm |
| Xdamage pp | 21 mm |
THIELE SMALL PARAMETERS
| Fs | 52 Hz |
| Re | 5.5 ohm |
| Qms | 5.56 |
| Qes | 1.10 |
| Qts | 0.92 |
| Vas | 29.6 l |
| Cms | 438 µm / N |
| Rms | 1.26 kg / s |
| Efficiency % | 0.36 |
| Sd | 0.022 m² |
| Xmax | 5.7 mm |
| Vd | 110 cm³ |
| Le @1 kHz | 0.8 mH |
CONSTRUCTIVE DETAILS
| Net weight | 1.17 kg 2.58 lb |
| Total weight | 1.33 kg 2.93 lb |
| Magnet | Ferrite |
