L ACOUSTICS - SB218 High power subwoofer (Used)

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

Finish : Maroon-grayô

Grill : Black epoxy perforated steel with acoustically transparent foam

Rigging : Integrated flying hardware and handles