Beyma 21PW1400Fe Subwoofer 54 cm
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TECHNICAL SPECIFICATIONS
| Nominal diameter | 540 mm 21 in |
| Nominal impedance | 8 Ohm |
| Minimum impedance | 5.4 ohm |
| Power capacity | 1400 W AES |
| Program power | 2800 W |
| Sensitivity | 98.5 dB 1 W @ 1 m |
| Frequency range | 25-1800 Hz |
| Maximum recom. frequency | 150 Hz |
| Recommended enclosure volume | 100 / 250 l 3.5 / 8.75 ft.³ |
| Voice coil diameter | 100 mm 4 in |
| BL factor | 28.2 N/A |
| Moving mass | 0.298 kg |
| Winding length | 25 mm |
| Air gap height | 12 mm |
| Xdamage pp | 55 mm |
THIELE SMALL PARAMETERS
| Fs | 30 Hz |
| Re | 5.2 ohm |
| Qms | 7.4 |
| Qes | 0.36 |
| Qts | 0.34 |
| Vas | 401.5 l |
| Cms | 94 µm / N |
| Rms | 7.51 kg/s |
| Efficiency % | 2.83 |
| Sd | 0.1734 m² |
| Xmax | 10 mm |
| Vd | 1729 cm³ |
| Le @1 kHz | 1.3 mH |
CONSTRUCTIVE DETAILS
| Depth | 79 mm 3.11 in |
| Net weight | 19.9 kg 43.87 lb |
| Total weight | 22.6 kg 50 lb |
| Magnet | Ferrite |
