HK Audio Linear Sub 4000 1200W 1 x 18 Inch Passive Subwoofer

LINEAR SUB 4000 is a powerful 18 dual vented band pass subwoofer. It is compatible with all LINEAR 5 full-range speakers and mid/high units and delivers an impressively powerful low-frequency response from 30 to 100 Hertz. The subwoofer is the recommended extension to the LINEAR 5 LTS long-throw powerhouse. It can be used as a subwoofer extension to the existing LINEAR SUB 2000, delivering powerful low bass with optional frequency separation. Filter presets for Lab.Gruppen IPD and PLM 12K44 controllers are available.

Technical 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