Martin Audio WS218X User Manual

WS218X
Dual-driver vented sub-bass system
features
◗ Dual, direct radiating long excursion 18" (460mm) drivers
◗ High temperature 4" (100mm) voice coils
◗ High power – 136dB continuous, 142dB peak
◗ Fitted with handles and castors
applications
◗ Medium/large scale touring systems
◗ Theatre sound systems
◗ Club sound reinforcement
◗ Special effects sub-bass
Century Point, Halifax Road, Cressex Business Park,
High Wycombe, Buckinghamshire HP12 3SL, England.
Telephone: +44 (0)1494 535312 Facsimile: +44 (0)1494 438669
E-mail: info@martin-audio.com
All information is Copyright © 2006 Martin Audio Ltd.
The WS218X is a high performance sub-bass system designed for
use with large scale Wavefront and Blackline systems, in both
touring and install applications. It features twin, 1000 watt 18"
(460mm) drive units with magnet structure and suspension
engineered for maximum linear excursion.
The birch ply cabinet is fitted with six pocket handles and four 4"
(100mm) castors for easy deployment. It features large area
porting to reduce air noise.
WS218X subwoofers are designed to be powered by Martin
Audio MA4.2s power amplifiers.
www.martin-audio.com
overall dimensions
technical specifications
TYPE Dual-driver vented sub-bass system
FREQUENCY RESPONSE (1) 35Hz-150Hz ± 3dB
DRIVERS 2 x 18" (460mm)/4" (100mm) voice coil, ultra-
long excursion, water resistant cone
RATED POWER (2) 2000W AES, 8000W peak
SENSITIVITY (3) 105dB (half space)
MAXIMUM SPL (4) 136dB continuous, 142dB peak (half space)
NOMINAL IMPEDANCE 4 ohms
CROSSOVER 70Hz-150Hz, via DX1 controller
ENCLOSURE 320 litre, multi-laminate birch ply
FINISH Textured black paint
PROTECTIVE GRILLE Black perforated steel
CONNECTORS 2 x Neutrik NL8
FITTINGS 4 x 4" (100mm) castors
6 x pocket handles
2 x front lid fittings
DIMENSIONS (inc. wheels) (W) 1066mm x (H) 561mm x (D) 780mm
(911mm)
(W) 42ins x (H) 22.1ins x (D) 30.7ins (35.9ins)
WEIGHT 89kg (196.2lbs)
touring and theatre

Martin Audio WS218X Specifications

Power

rated power	2000 W
peak power	8000 W
nominal impedance	4 ohms

Performance

frequency response	35 Hz - 150 Hz ± 3 dB
sensitivity	105 dB
maximum SPL	136 dB continuous, 142 dB peak

Weight and Dimensions

width	1066 mm
height	561 mm
depth	780 mm
weight	89 kg

Summary

product features

dual direct radiating drivers

Features long excursion 18" (460mm) drivers for direct sound radiation.

high temperature voice coils

Equipped with 4" (100mm) voice coils designed for high temperatures.

high power output

Delivers 136dB continuous and 142dB peak sound pressure levels.

portability features

Includes fitted handles and castors for ease of deployment and transport.

product applications

touring systems

Suitable for medium to large-scale touring sound reinforcement systems.

theatre sound systems

Designed for use in theatre sound system installations.

club sound

Intended for sound reinforcement in club environments.

special effects

Can be utilized for generating special sound effects.

technical specifications

drivers and enclosure

Dual 18" drivers, 4" voice coils, 320 litre birch ply enclosure.

performance metrics

Frequency response 35Hz-150Hz, 105dB sensitivity, 136dB SPL.

power and impedance

Rated power 2000W AES/8000W peak, 4 ohm nominal impedance.

dimensions and weight

Measures 1066mm W x 561mm H x 780mm D, weighs 89kg.