Product Overview
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.
Features
- 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)
Specifications
- 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)
- Handles: 8x HK Audio MultiGrip
- Enclosure: Birch multiplex
- Grille: 2 mm metal grille backed with black acoustic foam
- Finish: Acrylic enamel, black
- Dimensions (WxHxD): 35.8 x 20 x 31.9 in (91 x 51 x 81 cm)
- Weight: 130.1 lbs / 59 kg