L20
L20 低音音箱尺寸和重量分别为 755mm x 594mm x 905mm （宽 x 高 x 长）和 59Kg，音箱采用波罗的海桦木/杨木胶合板制成，部署了 20″ 远程驱动单元，另配备了用于安装附件的螺纹嵌件和 M20 支架杆连接配件。L20 低音音箱的频率范围为 28Hz-120Hz，峰值声压级为 141dB，其底部尺寸专门为匹配 P18 而设计，因此是吊装应用中的完美搭档，并可用作电鼓音箱。
主要特点
- 专用低音音箱，搭配 P15 音箱，具有匹配的底部尺寸
- 将低频性能扩展至 28Hz
- 141dB 声压级峰值
- 可部署于标准和心形模式中
- 螺纹嵌件（位于背面及两侧，用于连接固定配件）
产品参数
| Frequency Response @-6 dB | 28 Hz to 120 Hz |
| Peak SPL@1m | 141 dB Peak |
| Operating Voltage | 80 Vrms (180 Vpeak) |
| Crossover Frequency | 60 Hz, 85 Hz or 120 Hz |
| Nominal Impedance | 4 Ohms |
外观特征
| Components | 1 x Neodymium 20” 4 Ohms long excursion |
| Connectors | 2 x NL4, 4 poles connectors |
| Rigging points | 1 x universal accessory fit on each side + 1 x M20 thread for Pole Stand on top |
| Material | Custom made bent plywood of baltic birch and poplar |
| Finish | Black or White structural paint |
| Front Finish | Steel front grille |
| Height x Width x Depth | 594mm x 755mm x 905 mm (23.4” x 29.7” x 35.6”) |
| Weight: Net | 59 kg (130 lbs) |
| Operating temperature range | 0°C - 40 °C (32° F - 104° F) |
| Storage temperature range | -20 °C - 60 °C (-4 ° F - 140° F) |
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| System Operation | |
| Recommended powering solution | NXAMP4x4mk2 Powered TDcontroller: Up to 2 x L20 per channel |
| Optional powering solution | NXAMP4x1mk2 Powered TDcontroller (Bridged): 1 x L20 per channel |
| NXAMP4x2mk2 Powered TDcontroller (Bridged): 1 x L20 per channel |
