L SUB 4000 ??A LOW-END BOOST FOR THE LINEAR SERIES
L SUB 4000 A is a flexible 18″ double vented bandpass subwoofer. Compatible with all LINEAR 5 fullrange speakers and mid/high units, its powerful low end ? ranging from 30 to 100 Hertz ? is totally and powerfully impressive. L SUB 4000 A can also serve as a sub-low add-on to LINEAR SUB 2000 to beef up the bottom end in the range of 30 to 70 Hertz.
- Powerful and versatile 18″ subwoofer
- Rugged wooden enclosure of birch multiplex: 15/18 mm, 9/13 ply
- 1200 W
- 31 Hz ? X-Over
- 137 dB half space
- 1 x 18″ with 4″ voice coil
- Compatible with all LINEAR 5 fullrange speakers and mid/high units
- Ideal add-on for setups using LINEAR 5 LTS A
- Sub-low add-on to LINEAR SUB 2000 (A)
| Max SPL | 135 dB half space (@ 10% THD) |
| Max SPL peak | 137 dB half space (@ 10% THD) |
| Max SPL calculated | 138 dB half space |
| Frequency response /- 3 dB | 39 Hz ? X-Over |
| Frequency response -10 dB | 31 Hz ? X-Over |
| Power Rating | 1200 W |
| Amplifier | Class D |
| Active protection circuits | Undervoltage Protection, Thermoprotection, Short Circuit Protection, Overcurrent Protection, Subsonic 24 dB/oct., Peak Limiter |
| LF Speaker | 1x 18″ featuring advanced ventilated voice coil gap |
| Cut-off Frequency active | 70 Hz /100 Hz variable with 24 dB/oct. |
| Connections | 2x XLR?1/4″-Combo In, 2x XLR Thru, 2x XLR Mid/High Out |
| Input Sensitivity | 4 dBu @ Gain center-notched |
| Pole mount | 2x M20 (K&M) |