L SUB 4000 A
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.
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 |