Description
L SUB 4000 – A LOW-END BOOST FOR THE LINEAR SERIES
L SUB 4000 is a powerful 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 when required (optional frequency separation). Filter presets are available for Lab.gruppen IPD and PLM 12K44 controllers.
Features
- Powerful and versatile 18” subwoofer
- Rugged wooden enclosure of birch multiplex: 15/18 mm, 9/13 ply
- Power handling program: 2400 W
- 31Hz – X-Over
- 137 dB half space
- 1 x 18” speaker 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
- Filter presets available for Lab.gruppen IPD and PLM 12K44 controllers
- Made in Germany
Specifications
- Power-handling nominal (RMS) 1200 W
- Power-handling, program 2400 W
- Frequency response +/-3 dB 39 Hz – X-over
- Frequency response -10 dB 31 Hz – X-over
- Sensitivity 1 W @ 1 m 106 dB half space
- Max. SPL @ 10% THD 135 dB half space
- Max. SPL peak @ 10% THD 137 dB half space
- Electrical impedance 4 ohms
- Low-/mid speaker 1x 18", 4" voice coil featuring advanced ventilated voice coil gap
- Crossover frequency 100 Hz, active X-over with controller amp (can be set lower when used as a sub-low)
- Connections 2x Speakon NL4, pin assignment switchable between 1+/1- and 2+/2-
- Integrated pole mount 2x M20
- Carrying handles 8x MultiGrip
- Housing Birch multiplex
- Finish Acrylic enamel, black
- Front grille 2 mm metal grille backed with black acoustic foam
- Dimensions (WxHxD) 91 x 51 x 81 cm 35-3/4 x 20 x 31-25/32"
- Weight 57.1 kg / 125.9 lbs