Product Description
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\nHK Audio LSUB-4000A Subwoofer
\nL SUB 4000 A – A LOW-END BOOST FOR THE LINEAR SERIES \n \n
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\nThe HK Audio LSUB-4000A Subwoofer is a 18" Active Double-Vented Subwoofer, 1200W bandpass. Compatible with all hk audio linear 5 fullrange speakers and mid/high units, its powerful low end – ranging from 30 to 100 Hertz – is totally and powerfully impressive. HK Audio LSUB-4000A Subwoofer 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.
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- Powerful and versatile 18″ subwoofer \n
- Rugged wooden enclosure of birch multiplex: 15/18 mm, 9/13 ply \n
- 1200 W \n
- 31 Hz – X-Over \n
- 137 dB half space \n
- 1 x 18″ with 4″ voice coil \n
- Compatible with all LINEAR 5 fullrange speakers and mid/high units \n
- Ideal add-on for setups using LINEAR 5 LTS A \n
- Sub-low add-on to LINEAR SUB 2000 (A) \n
Specifications
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- Max SPL: 135 dB half space (@ 10% THD) \n
- Max SPL peak: 137 dB half space (@ 10% THD) \n
- Max SPL calculated: 138 dB half space \n
- Frequency response +/- 3 dB: 39 Hz – X-Over \n
- Frequency response -10 dB: 31 Hz – X-Over \n
- Power Rating: 1200 W \n
- Amplifier: Class D \n
- Active protection circuits: Undervoltage Protection, Thermoprotection, Short Circuit Protection, Overcurrent Protection, Subsonic 24 dB/oct., Peak Limiter \n
- LF Speaker: 1x 18" featuring advanced ventilated voice coil gap \n
- Cut-off frequency active: 70 Hz /100 Hz variable with 24 dB/oct. \n
- Connections: 2x XLR–1/4"-Combo In, 2x XLR Thru, 2x XLR Mid/High Out \n
- Input sensitivity: +4 dBu @ Gain center-notched \n
- Pole mount: 2x M20 (K&M) \n
- Handles: 8x HK Audio MultiGrip \n
- Enclosure: Birch multiplex \n
- Grille: 2 mm metal grille backed with black acoustic foam \n
- Finish: Acrylic enamel, black \n
- Dimensions (WxHxD): 35.8 x 20 x 31.9 in (91 x 51 x 81 cm) \n
- Weight: 130.1 lbs / 59 kg \n
