SUB 1800 A HK AUDIO L SUB 1800 A LINEAR SUB 1800 A – an 18” bass reflex subwoofer – is packed full of low end. Unrivaled power, SPL of up to 132 dB and thumping bass (all the way to 38 Hz) make this powered sub the ideal add-on to mid/high units from the LINEAR 3 family when you need just a little more loudness and low end . LINEAR SUB 1800 A can also be used in combination with mid/high units from the LINEAR 5 family, as a bass extension to the ELEMENTS BIG BASE system, or as a bass extension for the active 2.1 LUCAS 2K18 system. product info Model L SUB 1800 A Max SPL 130 dB half space (@ 10% THD) Max SPL peak 132 dB half space (@ 10% THD) Max SPL calculated 133 dB half space Frequency response +/- 3 dB 42 Hz – X -Over Frequency response -10 dB 38 Hz – X-Over Power Rating 1200 W Amplifier Class D Active protection circuits Under-voltage, thermal, short circuit, and over-current protection, Subsonic 24 dB/oct. peak limiter LF Speaker 1x 18″ Cut-off Frequency active 100/120 Hz variable with 24 dB/oct. Connections 2x XLR Combo In bal., 2 x XLR Thru bal., 2x XLR-Mid/High Out Input Sensitivity +4 dBu @ Gain center-notched Pole mount 1x M20 (K&M) Handles 4x HK Audio MultiGrip Enclosure MDF 16 mm Grille 2 mm metal grille backed with black acoustic foam Finish Acrylic enamel, black Optional accessories Protective cover, Stereo Pole Add-On M20, tilt unit , 100 mm casters Dimensions (WxHxD) 51,0 × 67,0 × 72 cm Weight 42 kg / 92,6 lbs. Compact powerful subwoofer 1200 watts 1x 18″ Speaker 132 dB Max SPL Peak @ 10% THD (halfspace) Ideal add -on to mid/high units from the LINEAR 3 family Can also be used in combination with LINEAR 5 mid/high units, as a bass extension to the ELEMENTS BIG BASE system, or as a sub extension to the active 2.1 LUCAS 2K18 system Rugged wood enclosure Adjustable X-over frequency Integrated HK Audio MultiGrips