TQ18B
The TQ18B is a compact passive single 18″ 4,000 Watt (peak) subwoofer that is ideally suited for a broad range of speech and music sound reinforcement applications in both fixed, portable and touring audio systems. The TQ18B is designed to work in conjunction with Lake DSP and Lab Gruppen amplification, providing optimal FOH performance, as well as considerable flexibility to readily adapt to varying venue requirements. Multiple bass array configurations and all pre-sets are available to download.
Description
System
| Frequency response | 50 Hz – 130 Hz ±3 dB 40 Hz – 130 Hz -10 dB |
| Nominal dispersion | Half Space |
| Maximum SPL | 130 dB peak |
| Crossover type | Active |
| Transducers | 1 x 18″ (460 mm) LF driver |
| Limiter | Peak and rms |
Amplifier
| Maximum output power* | 3,000 W |
| Type | Class-D |
| Protection | Short circuit, open circuit, thermal |
Connectors
| Input A / B | 2 x combo jack/XLR |
| Sensitivity | Line +4 dBu, mic -22 dBu, switchable |
| Input impedance | 20 kO unbalanced, 40 kO balanced |
| Maximum input level | +21 dBu |
| Output A / B | 2 x XLR Linked to input |
| Mix output | N/A |
| Output impedance | N/A |
| Ultranet input/link | 2 x RJ45 |
| Mains Supply | Neutrik powerCON input 20A and link 15A |
Controls
| DSP | Rotary push-encoder Buttons for Process, Setup, Exit, Enter |
| Mixer section | 1 x gain controls (channels A and B) 2 x Line |
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