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HK Audio L SUB 4000 A is the flexible new 18" subwoofer from HK Audio. 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.
Facts & Features
• Powerful and Versatile 18" subwoofer
• Birch Multiplex 15/18 mm, 9/13 ply
• 1200 W
• 31 Hz – X-Over
• 137 dB half space
• 1x 18" (4 ohms) with 4" Voice Coil
• Compatible with all LINEAR 5 fullrange speakers and mid/high units
• Sub-low add-on to LINEAR SUB 2000
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 Watt |
Subwoofer amplifier | 1200 Watt @ 4 ohms |
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 Centerclick |
Pole mount | 2x M20 |
Handles | 8, Integrated |
Casters | optional 100 mm |
Enclosure | Birch multiplex |
Grille | 2 mm metal grille backed with black acoustic foam |
Finish | Acrylic enamel, black |
Optional accessories | Protective cover, TiltUnit |
Dimensions (WxHxD) | 91 x 51 x 81 cm |
Weight | 59 kg/130.1 lbs |
Download Brochure here : Brochure
Download Linear Systems here : Linear Systems
Download IPD Passive Speaker System Solutions 1.0 here : Installation Guide