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Martin Audio SX118B
Martin Audio

SX118B Martin Audio · Passive Subwoofers

18" Passive Direct Radiating Subwoofer

The SX118 is a compact, high performance subwoofer that extends the low frequency operating range of the system to 47Hz and provides exceptional low frequency output for such a compact enclosure.
Power
1,000 W
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Reference SX118B Brand Martin Audio

Overview

SX118B at a Glance

18'' SX Subwoofer Black

Description

About the SX118B

Manufacturer detail for the SX118B by Martin Audio.

Technical Overview

SX118 features a long-excursion 18” (460mm)/4” (100 mm) voice coil driver with a water-resistant cone and triple roll surround in a compact reflex enclosure. The design of the 18” driver maximises output while minimising power compression and distortion, and the four reflex ports have a large front

Specifications

Technical Specifications

Full published figures for the SX118B by Martin Audio.

TYPE
Compact, direct radiating subwoofer
FREQUENCY RESPONSE (1)
47Hz – 150Hz ±3dB, -10dB @ 41Hz
DRIVER
18” (460mm)/4” (100mm) voice coil, long excursion, ferrite magnet, waterproof cone
RATED POWER (2)
1000W AES, 4000W peak
SENSITIVITY (10)
102dB
MAXIMUM SPL (9)
138dB peak
NOMINAL IMPEDANCE
8Ω
DISPERSION (-6dB)
Omnidirectional/or Cardioid (paired)
ENCLOSURE
Multi-laminate birch/poplar ply
FINISH
Durable Polyurea Coating
PROTECTIVE GRILLE
Black perforated Zintec
CONNECTORS
2 x NL4 type
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PIN CONNECTIONS (INPUT)
LF: +1, -1 Link through: +2, -2
PINS CONNECTIONS (LINK)
LF: +1, -1 Link through: +2, -2
FITTINGS
Two skids on base, with mating channels on top M20 top-mounted thread plate for pole mounting 16 x M10 mounting points 2 x bar handles, 1 on each side 4 x fittings for optional transit cover 16 x M8 inserts for optional castors
DIMENSIONS (INCL SKIDS)
(W) 600mm x (H) 509mm x (D) 632mm (760mm including castors) (W) 24in x (H) 20.36in x (D) 25.26in (30.38in including castors)
WEIGHT
43.5kg (96lbs) w/o castors 47kg (104lbs) with castors
Power Consumption
1,000 W

Technical Drawing

Technical drawing for SX118B
Download PDF

Documentation

Downloads

Datasheets, manuals and drawings for the SX118B.

Data Sheet PDF Operation & Maintenance Manual PDF Technical Drawing PDF CAD Drawing DWG

Compatible

Accessories for the SX118B

Add-ons and spares that fit this product.

Martin Audio HTKCT06 Martin Audio HTKCT06 Martin Audio WRKIT Martin Audio WRKIT Weatherized Connector Cover For 15" and 18" SX Subs

Case studies

Projects using the SX118B

Real installations across the Middle East built with this product.