L20-I
L20 低音音箱安装版尺寸为 755mm x 594mm x 905mm（宽 x 高 x 长），在由波罗的海桦木/杨木胶合板制成的音箱中采用了 20″ 远程驱动单元，配有织物格栅罩和用于安装附件的螺纹嵌件，以及快速连接推式连接器。L20-I 的频率范围为 28Hz-120Hz，声压级峰值为 141dB，非常适合用于扩展 P+ 系列安装版的低频率响应。
主要特点
- L20 低音音箱安装版
- 织物格栅罩和快速连接推式连接器
- 将低频性能扩展至 28Hz
- 141dB 声压级峰值
- 螺纹嵌件（位于背面及两侧，用于连接固定配件）
- 提供黑色、白色和定制的 RAL 色
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 | Quick-connect push connector |
| 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 | Fabric covered 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) |
| 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 |
