Martin Audio WAVEFRONT PRECISION WPM Manuale utente

User Guide

WPM

Optimised Line Array

WPM USER GUIDE V2

WPM USER GUIDE

Contents

Introduction

Wavefront Precision 4

About This Manual 4

Ampliﬁcation, DSP, & Networking 4

Important Safety Instructions 5

Unpacking the Units 5

Wavefront Precision

WPM 6

Mechanical Design 6

Acoustic Design 6

Subwoofers

SXCF115 7

SXC115 7

Ampliﬁers

iK81 Ampliﬁer 8

iK42 Ampliﬁer 9

DISPLAY 2.3

Overview 10

Work ﬂow 10

Slice 11

Cover 12

Splay 12

Rigging 13

EQ 13

SPL 14

DISPLAY 3 Overview

Venue 15

Coverage 16

Loudspeakers 17

SPL 17

WPM USER GUIDE V2

WPM USER GUIDE

VU-NET 2

Overview 18

Devices 18

Presets 19

Signal & Routing 20

Input EQ 20

Output 21

Ganging 21

Integrated Rigging

WPM 22

SXCF115 23

Wiring

WPM 24

SXC(F)115 24

Scalable Resolution

System Conﬁguration 25

Ampliﬁer Conﬁgurations

iK81 26

iK42 29

Accessories

WPMSXGRIDT Touring Frame 31

WPMGRIDI Install Frame 32

WPMUNIV 32

WPMOUTRIG 33

ASF20045 33

ASF20071 33

Rigging

Flown System - WPMSXGRIDT 34

Grid position for negative site angle 35

Grid position for positive site angle 35

Flown System - WPM & SXCF115 37

Ground Stacking - WPM 43

Ground Stacking - WPM & SXCF115 46

Pole Mount - WPMUNIV 50

Flown - WPMUNIV 52

Install - WPMGRIDI 54

Install - WPM & SXC115 57

WPM USER GUIDE V2

WPM USER GUIDE

Essential Maintenance

WPM 61

Speciﬁcations

WPM 63

SXCF115 64

SXC115 65

WPM USER GUIDE V2

WPM USER GUIDE

Introduction

Drawing on the research and technology behind MLA® Series, the

Wavefront Precision Series is a new generation of multipurpose line

arrays designed to bring Martin Audio’s legendary sound, coverage

consistency and control to a broader range of touring applications,

installations and budgets.

Wavefront Precision line arrays are designed as complete systems

with external iKON® multi-channel ampliﬁers and optimised by

automated DISPLAY™ software.

Adopting the principle of scalable resolution, with external,

dedicated multi-channel ampliﬁers, Wavefront Precision line arrays

are uniquely ﬂexible, upgradeable and ﬁnancially accessible.

With exceptional line array performance guaranteed by the acoustic

design itself, scalable resolution unlocks the full potential of a

Wavefront Precision array and provides an adaptable pathway into

the world of advanced optimisation.

The greater the resolution of the array in terms of individually driven

enclosures, the more precisely DISPLAY can ﬁne-tune audience

coverage and hold the frequency response and SPL throughout the

venue within a tight window speciﬁed by the user.

For the ﬁrst time in the marketplace the decision on the level of

resolution and control that is right for the install, client, event or

budget is yours.

About This Manual

This manual explains in detail the individual components that

comprise a complete WPM system.

System wiring and rigging is explained and the three 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.

Extensive training media is available via the MA website and

training webinars are held on a regular basis in order to help you

gain a full understanding of the systems and their operation.

Ampliﬁcation, DSP, & Networking

Wavefront Precision line arrays are designed as complete systems

with dedicated, high performance iKON multi-channel Class D

ampliﬁers.

Wavefront Precision

WPM USER GUIDE V2

WPM 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. (1) (2)

• Do not block any ventilation openings. (1) (2)

• Install in accordance with the Martin Audio instructions. (1) (2)

• Do not install near any heat sources such as radiators, heat registers, stoves or other such apparatus that produce heat. (1) (2)

• 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. (1)

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

they exit from the apparatus. (1)

• This equipment must be earthed. (1)

• Only use attachments / accessories speciﬁed by Martin Audio. (1) (2)

• Only use rigging hardware speciﬁed by Martin Audio. (2)

• Unplug this apparatus during lightning storms or when unused for long periods of time. (1) (2)

• 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. (1)

• Do not remove covers

• Do not remove any protective earth or signal cable shield connections. (1)

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.

Notes.

(1) Applies to Ampliﬁers and Controllers used with WPM

(2) Applies to WPM

WPM USER GUIDE V2

WPM USER GUIDE

Wavefront Precision

WPM is a two-way passive ultra-compact line array element

consisting of two 6.5” reﬂex loaded neodymium magnet low

frequency drive units, and three 1.4” neodymium magnet high

frequency compression drivers loaded by constant directivity

waveguides.

In conjunction with automated DISPLAY system design and VU-

NET network control software applications, WPM 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.

WPM is incredibly versatile. Its very small footprint and light weight

make it the system of choice for smaller venues which require

superb ﬁdelity, coverage consistency and control from an ultra-

compact line array.

It embodies the very latest acoustic technology in an ultra-compact

enclosure and is the ideal system for small-to-medium scale

theatres and live music venues, AV events and installations in

concert halls, ballrooms and HoW.

Mechanical Design

WPM is designed mechanically to be an easy to handle, quick to

rig, safe, rugged and stable touring loudspeaker.

The cabinet is constructed predominantly from high grade multi-

laminate birch and poplar 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 acoustic design of WPM is uniquely innovative.

The LF drivers are located in the side walls of the HF horn – an

arrangement which would introduce acoustic cavities which would

degrade the horizontal dispersion if conventional cone drivers were

used.

WPM’s drivers adopt an elegant solution by having solid moulded

diaphragms which match the contours of the horn walls and

maintain the continuity of the horn proﬁle.

Each LF driver also features a demodulation ring in the neodymium

motor system to minimise distortion and maximise mid-band

output.

In the triple-driver HF section, each individual HF wavefront

is precisely coupled to the horn throat via a short waveguide for

faultless 100° horizontal constant directivity coverage.

The use of multiple small HF drivers instead of traditional large

diaphragm CD drivers results in less distortion and extended HF

response.

WPM

WPM USER GUIDE V2

WPM USER GUIDE

Subwoofers

SXCF115

The SXCF115 integrates perfectly with WPM ﬂown line arrays and

features a 15” (380mm) forward facing driver and a 12” (300mm)

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.

SXC115

Designed for install and touring applications, the SXC115 has

identical acoustic performance to the SXCF115, but without the

integrated rigging hardware.

Install rigging accessories are available for the SXC115 which allow

it to be ﬂown separately or within the same array as WPM.

WPM USER GUIDE V2

WPM USER GUIDE

iK81 Ampliﬁer

The iKON iK81 is an advanced 8-channel controller ampliﬁer which

combines very high power density with superb audio performance,

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

The iK81 can deliver a full 1250 watts per channel into 2, 4 or

8 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 iK81 to provide a multitude

of features. 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 the WPM line array.

The iK81 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 multi-

band limiting for passive 2-way systems.

Ampliﬁers

WPM USER GUIDE V2

WPM USER GUIDE

iK42 Ampliﬁer

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 WPM 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 WPM 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 multi-

band limiting for passive 2-way systems.

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