Description
Beyma 21LEX1600Nd
The Beyma 21LEX1600Nd is a high-performance 21″ professional subwoofer driver designed for extreme low-frequency applications such as concert sound systems, clubs, and large-scale PA setups. It features a lightweight neodymium motor, advanced cooling technology, and high excursion capability, delivering deep, powerful bass with excellent efficiency and reliability.
Specifications
| Parameter | Value |
|---|---|
| Power Capacity | 1600 W AES |
| Nominal Diameter | 540 mm (21 in) |
| Nominal Impedance | 8 Ohm |
| Minimum Impedance | 7.2 Ohm |
| Program Power | 3200 W |
| Sensitivity | 98 dB (1W @ 1m @ ZN) |
| Frequency Range | 30 – 1000 Hz |
| Recommended Enclosure Volume | 150 L |
| Voice Coil Diameter | 101.6 mm (4 in) |
| BL Factor | 36.6 N/A |
| Moving Mass | 0.393 kg |
| Winding Length | 34.5 mm |
| Air Gap Height | 14 mm |
| Xdamage (peak-to-peak) | 65 mm |
Thiele & Small Parameters
| Parameter | Value |
|---|---|
| Fs | 30 Hz |
| Re | 5.4 Ohm |
| Qms | 8.6 |
| Qes | 0.30 |
| Qts | 0.29 |
| Vas | 305 L |
| Cms | 72 µm/N |
| Rms | 8.6 kg/s |
| Efficiency | 2.7 % |
| Sd | 0.1734 m² |
| Xmax | 14 mm |
| Vd | 2428 cm³ |
| Le @ 1 kHz | 4.7 mH |
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