DESCRIPTION
L’acoustics SB218 subwoofer in good condition. 4 brown & 2 black covers available.
Dual 18″ subwoofer enclosure
Front-loaded, optimized bass reflex design
High power handling, high efficiency, low thermal compression
Integral rigging for flown applications
Designed for touring or fixed installation
Reference subwoofer for V-DOSC and ARCS, compatible with all L-ACOUSTICS models
Signal processing via L-ACOUSTICS LLC analog controllers (MTD line) or OEM factory presets for approved digital processors (WST, XT lines)
Optimized for 25 - 200 Hz bandwidth
Frequency Response
Frequency Response : 28 - 140 Hz (± 3 dB) (X preset)
Usable Low Frequency : 25 Hz (-10 dB)
Recommended filtering :
80 Hz to 200 Hz (4th order low pass filter)
25 Hz (4th order high pass filter)
Sensitivity
(2.83 Vrms @ 1m) 100.5 dB SPL 28 - 200 Hz
Power Rating
68 Vrms - 1100 Wrms - 4400 Wpeak - 2200 W - 4 ohms
Array
SPL
One enclosure : 130 dB (cont) 136 dB (peak) (X preset)
Two enclosures : 136 dB (cont) 142 dB (peak)
Four enclosures : 142 dB (cont) 148 dB (peak)
Components
LF 2 x 18″ loudspeakers
(4.5″ edgewound copper ribbon voice coil, diecast aluminum basket, massive vented magnet structure, high thermal capacity)
Enclosure
Width : 1300 mm - 51.2 in
Height : 550 mm - 21.7 in
Depth : 700 mm - 27.6 in
Net Weight : 106 kg - 233.7 lbs
Shipping Weight : 112 kg - 246.9 lbs
Shipping Dims : 1340 x 600 x 770 mm - 52.8 x 23.6 x 30.3 in
Connectors : 2x 4-pin Neutrik speakon
Material : 24 mm Baltic birch plywood
Grill : Black epoxy perforated steel with acoustically transparent foam
Rigging : Integrated flying hardware and handles
25 май 2021
