Martin Audio Wavefront Precision Series Manual de usuario

User Guide

WPS

Optimised Line Array

WPS USER GUIDE V1.0

WPS USER GUIDE

Contents

Introduction

About this Manual 4

Important Safety Instructions 5

Caution 5

Unpacking the Units 5

System Overview

WPS 6

Mechanical Design 6

Acoustic Design 6

Accessories

Ampliﬁcation and DSP 7

Low Frequency Extension

SXC118 and SXCF118 8

Rigging and Transportation

WPSGRIDt – Touring Flying Frame 9

WPSGRIDi – Install Flying Frame 9

WPSOUTRIG 9

WPSCART 9

DISPLAY

Overview 10

VU-NET 2.2

Overview 14

WPS Rigging

Overview 18

WPS Connections 19

WPSCART – Transport Cart 22

WPSOUTRIG – Ground Stack Bar and Outrigger 23

Inclinometer Assembly 24

Flown Systems 27

Rigging WPS and WPSGRIDt 29

WPS USER GUIDE V1.0

WPS USER GUIDE

Cart Removal 29

Unlatch the top from the supporting poles in four places, lift it off and set it aside. 30

Lift the front links on the left and right of the WPS and pin in position. 31

Flying the Array 31

Place the WPSGRIDt or WPSGRIDi ﬂying frame on the top cabinet in either the front or rear position as determined by the DISPLAY

project. Most arrays will use the front rigging position, the rear position is required when the array has an excessive up-tilt. 31

Landing the Array 38

Ground Stack Deployment

Overview 40

Specications

WPS Speciﬁcations 44

WPS USER GUIDE V1.0

WPS USER GUIDE

Introduction

About this Manual

This manual explains in detail the individual components that comprise a complete WPS system. System wiring and rigging is explained,

and the two key software packages are covered. It is not, however, the intention for this manual to be the sole tutorial medium for those

wishing to use the system. Training is available via the Martin Audio website including video, webinars and formal training in order to help

you gain a full understanding of the systems and their operation.

WPS USER GUIDE V1.0

WPS USER GUIDE

Important Safety Instructions

Please read these instructions and retrain for future reference. Heed all warnings and follow all instructions.

• No naked ﬂame sources such as lighted candles should be placed on the apparatus.

• Do not block any ventilation openings.

• Install in accordance with the Martin Audio instructions.

• Do not install near any heat sources such as radiators, heat registers, stoves or other such apparatus that produce heat.

• Do not defeat the safety purpose of the grounding-type plug. A grounding plug has two blades and a third grounding prong. The third

prong is provided for your safety. If the provided plug does not ﬁt your outlet consult an electrician for replacement of the obsolete

outlet.

• Protect the power cable from being walked on or pinched particularly at plugs, convenience receptacles, and the point where they exit

from the apparatus.

• This equipment must be earthed.

• Only use attachments / accessories speciﬁed by Martin Audio.

• Use only with wheelboard and rigging hardware speciﬁed by Martin Audio. When moving using supplied wheelboards, caution should

be used to avoid injury from the cabinet tipping over.

• Unplug this apparatus during lightning storms or when unused for long periods of time.

• No user serviceable parts inside. Refer servicing to qualiﬁed service personnel. Servicing is required when the apparatus has been

damaged in any way such as power supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus,

the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped.

• Do not remove covers.

Caution

To reduce the risk of electric shock do not remove any covers. There are no user serviceable parts inside the units. Refer servicing to

qualiﬁed service personnel only. Call Martin Audio Ltd on +44 (0) 1494 535312 or e-mail [email protected] for service.

Unpacking the Units

After unpacking the unit, please check it carefully for any damage. If any is found, immediately notify the carrier concerned – you, the

consignee, must instigate any claim. Please retain all packaging in case you need to return the unit.

Please consider the environment. When the product has reached the end of its useful life, please dispose of it responsibly through a

recycling centre.

WPS USER GUIDE V1.0

WPS USER GUIDE

System Overview

WPS

WPS is a three-way, passive, small format line array element consisting of two bass reﬂex loaded 8” neodymium magnet low frequency

drivers, four 4” neodymium magnet mid frequency drivers, and four 1” neodymium magnet high frequency compression drivers loaded

on a coplanar waveguide. In conjunction with automated DISPLAY system design and VU-NET network control software applications,

WPS features scalable resolution for advanced array control, resulting in outstanding levels of consistent, high quality audio that can be

distributed to every point throughout the audience in a venue.

WPS is a new breed of small-format optimised line array which brings innovative acoustic design, ultra-high performance and coverage

consistency to a wider range of users, applications and budgets than previously possible. The three-way, passive system features reﬂex

loaded low-frequency, and horn-loaded mid and HF sections to raise efﬁciency and increase output. Its high efﬁciency acoustic design can

equal or outperform larger, direct radiating designs

Mechanical Design

WPS is designed to be easy to handle, safe and easy to rig. The cabinet is constructed from high grade multi-laminate birch plywood, with

an integral 3-point rigging system. Two side pocket handles and two rear grip handles make handling safe and easy, and the cabinet is

ﬁnished in black textured paint with a fabric-backed protective steel grille

Acoustic Design

The WPS low frequency section consists of 2 x 8” (203mm) long excursion bass reﬂex loaded neodymium drivers. Both drivers are set back

behind the walls of the HF horn, with a small volume of air in front of each driver increasing the output at the upper end of its operating

range. The LF exit apertures are spaced apart horizontally to provide useful LF horizontal pattern control.

The mid-range section consists of four close-proximity compression loaded 4” (101mm) paper drivers that raises efﬁciency and enter the

horn walls via annular slots close to the HF throat to sum effectively with the HF wavefront.

The high frequency section consists of 4 x 1” (25mm) horn loaded compression drivers – the use of multiple small HF drivers instead of

traditional large diaphragm CD drivers results in less distortion and extended HF response.

WPS USER GUIDE V1.0

WPS USER GUIDE

Accessories

Amplication and DSP

iK42

The iKON iK42 is an advanced 4-channel controller ampliﬁer which combines very high-power density with superb audio performance,

state-of-the-art DSP and network control for WPS systems.

The iK42 can deliver a full 5000 watts per channel into 2 ohms with all channels driven while remaining highly efﬁcient. Its high efﬁciency

reduces the energy drawn from the mains supply and ensures the power reserves needed to deliver superb sound under arduous live

conditions.

Ethernet is used for system remote control and monitoring via Martin Audio’s VU-NET software application, while a user-friendly front

panel interface allows full local control of all features. Dante digital audio network inputs are also provided for digital audio distribution

and control.

Powerful DSP is fully integrated into the iK42 to provide a multitude of features that ensure maximum performance and worldwide

compatibility. It also provides up to 1000 FIR ﬁlter taps @ 48kHz on each output channel, which is essential to implement DISPLAY’s

wide bandwidth optimisation process in WPS line array systems. The iK42 employs comprehensive protection functions to maintain

safe operating conditions of both the ampliﬁer and the loudspeakers driven — including a sophisticated loudspeaker limiter suite which

incorporates peak, RMS and excursion limiting, as well as multiband limiting for passive 2-way systems.

iK42AMPRACK32+

The iK42AMPRACKUK(US)+ is a tour grade ampliﬁer rack with a shock mount chassis. The rack consists of:

3 x iK42’s

1 x INDIST1U+

1 x IK42DISTUK(US)+

2x ASF14020

WPS USER GUIDE V1.0

WPS USER GUIDE

Low Frequency Extension

SXC118 and SXCF118

Designed for touring sound and installations, the SXC118 and it’s ﬂown variant, the SXCF118, is a compact, high performance cardioid

subwoofer. It features an 18” (460mm) forward facing driver and a 14” (356mm) rear facing driver, each driven independently by separate

ampliﬁer channels and DSP. Each driver has its own chamber with optimised bass reﬂex porting.

This arrangement produces a cardioid dispersion pattern which maximises the front radiation and reduces unwanted radiation behind the

subwoofer.

The recommended iK42 ampliﬁer optimises the DSP parameters for front and rear drivers to maximise the rear rejection — from 21dB at

43Hz to 28dB at 75Hz. This keeps low frequencies away from stages, turntables and walls as well as reducing reverberant energy in the

room, greatly improving the system’s low frequency response accuracy and impact.

In front of the enclosure, the output from the two drivers is additive, giving an extra 2dB of output when compared with a conventional 1

x 18” subwoofer.

WPS USER GUIDE V1.0

WPS USER GUIDE

Rigging and Transportation

WPSGRIDt – Touring Flying Frame

WPSGRIDt is a tour grade ﬂying frame designed to ﬂy up to 24 WPS, or a combination of SXCF118 and WPS.

WPSGRIDt versatility allows ground stacking WPS with positive and negative array angles in conjunction with the WPSOUTRIG ground

stack kit, or the ability to securely rig onto the SXCF118.

WPSGRIDi – Install Flying Frame

WPSGRIDi is an install ﬂying frame designed to ﬂy up to 16 WPS for permanent installation. Ground stack not available with this accessory.

WPSOUTRIG

Stabilising accessory and angle bar used in conjunction with the WPSGRIDt for ground stack options.

WPSCART

The WPSCART is a tour ready cart used to transport 4 x WPS safely and efﬁciently. Inter-cabinet angles can be pre-selected to reduce

deployment time and cabinets can easily be positioned and integrated into the array using the captive cart locking system.

WPS USER GUIDE V1.0

WPS USER GUIDE

DISPLAY

Overview

DISPLAY is a unique software application for Wavefront Precision systems which calculates both inter-cabinet splay angles and the DSP

parameters for optimum system performance in any given space. Unlike competitors’ systems which generally use a basic geometric

calculation to aim their arrays, DISPLAY uses an extremely accurate computer model of the array to analyse the system performance in

a drawing of the venue. This allows DISPLAY to precisely calculate the parameters for the system to get exactly the coverage you have

speciﬁed. As a system designer you determine exactly how you would like the system to perform in the space; the SPL contour from the

front to the back of your audience region, how much spill into non-audience areas is acceptable and even specify designated Hard Avoid®

areas that the system will actively process to reduce spill to a minimum - great for producing a quiet stage or for reducing off-site noise

pollution at outdoor events.

The application is very straightforward to use taking you through a series of steps in a logical order. In fact, it won’t allow you to attempt

to design a system in the wrong order; steps need to be completed one after the other in the correct order making it very straightforward to

design an array that will perform to its maximum potential.

DISPLAY opens with a dashboard at the top of the screen prompting you to specify your array, which is the ﬁrst step of the design process.

WPS is available along with the all the other WP Series and Multicellular family of products. You next specify how your array will be

deployed – ﬂown, or ground stacked – specify the number of cabinets and give the array a name.

The dashboard changes to show the tabs from left and right in the order in which the design will be completed.

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