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LA-218S

Overview

OPRA LA-218S is a high-performance subwoofer designed for ground-stack applications, equipped with Dual 18 inch long-excursion driver and featuring a bass-direct design, which is suitable for a variety of permanent installation applications.


When used in groups of two or multiples of two, the LA-218S can form a End-fire subwoofer array.

By placing one enclosure rear-facing and driving it with amplifiers supporting OPRA A+ software, Long throw distance forward, Standard setup 4 units per array —— Line up the subwoofers in a row, all facing forward, make sure energy concentrated towards the front.


The enclosure is constructed from high-strength marine-grade plywood, finished with an IP56-rated, impact-resistant and weather-resistant water-based coating. It features a front metal grille with acoustically transparent foam, side handles for easy transportation, and four rubber feet at the bottom to prevent scuffing and abrasion.


An optional waterproof transport cover is also available to fully protect the front of the subwoofer during transit.


Technical Data

System Data

Frequency response (-5 dB standard) ：

35 Hz - 120 Hz
Frequency response (-5 dB 100 Hz mode) ：
35 Hz - 110 Hz
Frequency response (–5 dB INFRA mode) ：
35 Hz - 88 Hz

Max. sound pressure ：
with OPRA TTM8K4 / OPRA 4412    126 dB
with OPRA TTM12K4/OPRA Aura 8   130 dB
with OPRA X4/ X8 / X4L   132 dB

Cabinets per amplifier channel ：

1




Loudspeaker Data

Configuration ：
High performance subwoofer

Nominal impedance
4 Ω

Power handling capacity (RMS/peak 10 ms)
1200/4800 W

Components ：
2 x 18" driver

Connections ：
2 x NLT4 F/M
SUB 1+ 1-
    /    2+ 2-



Dimensions / weight

Dimensions (h x w x d) ：
540 x 1190 x 800 mm

46.85 x 31.5 x 31.5 "


Weight ：
113 kg

248.12 lb



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