Professional loudspeakers & mics
Electro-Voice TL880DM超低频扬声器是EV Matinee系列影院用扬声器的一员。直接辐射式设计有利于超低频率重放，同时亦满足现代数字音轨对效果的众多要求。TL880DM使用EV18-S 18"（381-mm）低频驱动单元，Thiele-Small共鸣腔箱体，效率高而失真度低。TL880DM低切点为27HZ，可再现丰富深厚的极低频率。
Specifications
| Frequency Range (-10 dB) | 27 - 1250 |
| Nominal Impedance (Passive) | 4 |
| Frequency Response (-3 dB)¹ | 23 - 400 |
| Max. SPL/1m (calc)² | 133 |
| LF Transducer | Two EVX180B |
| System Power Handling (Continuous/Program/Peak) | 700//2800 |
| Sensitivity 1 W/1 m | 99 |
| Height | 1210 |
| Width | 762 |
| Depth | 605 |
| Weight Net | 70.8 |
| Nominal Impedance | 4 |
| Coverage (Nominal -6 dB) | Omnidirectional |
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