Turbosound Flex Array TFA-600HW, Flex Array TFA-600HDP, Flex Array TFA-600L, Flex Array TFA-600B, Flex Array TFA-600HWDP User Manual

TFA-600H

TFA-600HW

TFA-600L

TFA-600B

TFA-600HDP

TFA-600HWDP

TFA-600LDP

TFA-600BD

USER MANUAL

Turbosound Ltd.

Star Road, Partridge Green

West Sussex RH13 8RY United Kingdom

Tel: [phone] Fax: [phone]

web: www.turbosound.com

Issue 1.0 © Turbosound Ltd

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Contents

USER MANUAL ......................................................................................................................................................... 1

Contents ..................................................................................................................................................................... 2

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Turbosound Limited ................................................................................................................................................ 83

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EC Declaration of Conformity

Manufacturer: Turbosound Ltd, Star Road, Partridge Green, West Sussex, RH13 8RY

Products:
TFA-600H
TFA-600L
TFA-600HDP
TFA-600LDP
T-25 Power Amplifier
T-45 Power Amplifier
T-475 Power Amplifier
LMS-D26 Controller
LMS-D24 Controller

Standards:
Safety EN60065:2003
Relevant Specifications used as basis for tests EN66103-1:1996
EN55103-2:1996

Category
Professional apparatus for use in Commercial Light Industrial and controlled EMC
environments.

CE Marking
All products are marked in accordance with the relevant statutory requirements.

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Introduction

Congratulations, you have purchased a professional loudspeaker product from the FLEX
ARRAY series of loudspeakers, designed to give you the best in audio quality and many years
of reliable, trouble-free operation. It offers excellent pattern control, safe and practical rigging
hardware, superior audio quality, proven reliability, self-powered options, full technical
documentation including EASE data, and the backing of a world leader in acoustics
technology including a comprehensive warranty against manufacturing defects. Please read
through this manual carefully before you attempt to operate the loudspeaker system. It
contains valuable information which will enable you to quickly and easily connect the
loudspeakers to your amplifiers and outboard equipment; important system and set-up
checks; and flying and stacking instructions.

Thanks

Thank you for choosing a TURBOSOUND loudspeaker product for your application.

By engaging in an on-going rigorous program of research and development all
TURBOSOUND products are carefully engineered for world class performance and reliability.

If you would like further information about this or any other TURBOSOUND product, please
contact us. Detailed product information is available on our web site at:

www.turbosound.com

We look forward to helping you in the near future.

Unpacking

After unpacking the unit please check carefully for damage. If damage is found, please notify
the carrier concerned at once. You, the consignee, must instigate any claim. Please retain all
packaging in case of future re-shipment.

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Flex Array Concepts

The Flex Array system is a modular flexible array loudspeaker system designed to deliver
extremely high fidelity audio in a range of medium scale fixed and portable sound
reinforcement applications.

Flex Array combines elements of line array theory and virtual point source theory in one
loudspeaker product, and for the first time offers virtually unlimited flexibility in adapting to a
huge variety of venue types and audience areas.

The Polyhorn™ Concept

The patented Polyhorn™ effectively solves several of the problems associated with
conventional exponential horns: namely the tendency to „beam‟ with increasing frequency;

and the undesirable comb filtering effects generated between adjacent devices due to the

variable curvature of the wavefront caused by the horn‟s geometry.

The Polyhorn™ is split into multiple cells, or individual „hornlets‟, which connect the

diaphragm to the horn mouth. Dividing the multi-cellular horn into multiple tapered
waveguides guarantees that the path length of each micro-horn is equal from the surface of
the driver diaphragm to the horn mouth, and ensures that all frequencies from all parts of the
diaphragm arrive at the horn mouth together. This provides the wavefront with uniformity of
phase.

The Polyhorn™ geometry ensures that the sound wave does not suffer from edge-diffraction
effects which have a tendency to confuse the directionality of the sound source.

Each cabinet in an array containing Polyhorn™ devices contributes to the generation of a
single, cohesive, and more or less continuous wavefront without noticeable comb-filtering
effects. In addition, the Polyhorn design offers the possibility of locating the acoustic centre
well behind the motor system and even the enclosure.

The Polyhorn™ devices exhibit a sharp cut-off at the edges of the dispersion pattern, making
it possible to achieve seamless coverage of a venue with minimal destructive interference
between elements, irrespective of how many individual enclosures are deployed in the
cluster. Because of the Polyhorn™ design‟s sharp cut-off, its array angle can in practice be
taken as being the same as the dispersion angle.

The Polyhorn™ design allows the extension of an application central to Turbosound‟s

philosophy – the use of cone drivers to cover mid-range (especially vocal) frequencies and
the freedom to apply relatively high crossover frequencies in order to minimise the distortion
common to metal-diaphragm compression drivers. The Polyhorn™ is employed in the high-
mid section of the Flex Array TFA-600H, loading a custom-designed 6.5” high power
neodymium drive unit.

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The Dendritic Horn

The patent-pending Dendritic HF horn utilises the same essential acoustic principle as is
employed in the Polyhorn: namely the application of equal path length hornlets to generate a
phase-coherent wavefront at the horn mouth. An extension of the principle allows the

Dendritic horn to act as the waveguide for a 1” throat compression driver, and key to the

operation of this new approach is the divide-by-two rule. Each section of the Dendritic
waveguide is split exactly two ways, ensuring that the signal in each leg is identical. In this
manner the output from a single compression driver is spread evenly across sixteen small
outputs.

Although adaptable to a range of output configurations, the Dendritic horn lends itself most
naturally to a slot output. By virtue of its tightly contorted pathways, the Dendritic creates a
very compact device, typically cutting 40% off the length of the external envelope.

The Flex Array Mid/High Waveguide

The Flex Array TFA-600 combines both Polyhorn and Dendritic horn technologies in a single,
physically aligned mid/high waveguide with equal path lengths, which produces a phase­coherent wavefront at the horn mouth. The Dendritic horn‟s compact dimensions allows the
high frequency driver to be located directly in front of, and mounted concentrically with, the
high-mid frequency driver. The horn‟s shallow geometry, comprising the combined horn and
the concentric mounting of the mid frequency and high frequency drivers, results in a very

compact enclosure with a depth of only 560mm (22”). This is beneficial both for keeping

cluster footprint small and is also a convenient dimension for trucking.

The combined waveguide is square in section, allowing it to be rapidly and easily removed
and rotated within the enclosure to suit the intended application. In this way the 75°
horizontal by 16° vertical coverage pattern can be readily transposed relative to the
orientation of the cabinet.

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The Loudspeaker Management System (LMS) Concept

Turbosound Loudspeaker Management Systems are more than just electronic crossovers. As
well as steep slope active filters and high performance limiters, they provide full digital
alignment of all components in the loudspeaker enclosures, to ensure coherent acoustic
output. They also incorporates a number of features which contribute to overall system
reliability and ease of setting-up and use.

All system parameters such as crossover frequencies, limiter settings, and equalisation can
be simply called up from a factory-preset menu, making it possible to maintain consistent
and repeatable system performance.

Because the power amplifiers can be included as part of the audio system, the controllers
utilise output limiters which are matched to the system requirements, being preset to prevent
the amplifiers from clipping under normal operating conditions. Inputs and outputs are fully
balanced, providing isolation between the controller and the amplifier inputs. These factors
contribute to high reliability in the adverse circumstances often encountered under arduous
touring conditions.

In addition, LMS-D2X series controllers are equipped with built-in network capability,
allowing maximum control and flexibility over the loudspeaker system‟s performance and
security.

LMS-D2x Loudspeaker Management Systems

Use of Turbosound loudspeaker management systems ensures accurate time-alignment of
the system drive units and also provides a facility for users to select additional delay, either
to compensate for physical displacement of ground-stacked bass enclosures relative to flown
high packs, or to provide full range delay for correct image localisation or use in distributed
systems.

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Power Amplifiers

In addition to the Turbosound T-series amplifiers recommended for use with Flex Array
systems, the following other power amplifier brands provide sufficient performance and
mechanical compatibility to perform well with Flex Array loudspeaker systems:

 MC2 E series
 Lab Gruppen FP series
 Crest Pro series
 QSC Powerlight II series

Digital Controllers

In addition to the Turbosound LMS-D24 and LMS-D26 loudspeaker management systems, the
following digital crossover has been tested and is recommended for use:

 XTA 4 series controllers

Self-Powered Loudspeakers

Flex Array series cabinets are optionally available with integrated networkable Class D
amplifier modules in a self-powered format, taking consistent performance and ease of use
to a new level. Featuring lightweight high-power amplifiers using 96kHz DSP and operating
at better than 90% efficiency, self-powered Flex Array products eliminate the need for
separate amplifier racks and controllers, as well as the attendant cabling.

Due to their extremely high efficiency and modern, high performance power supplies, the
amplifier module only adds a few kilos to the overall net weight of the loudspeaker.

The sophisticated DSP allows multiple internal preset recall either via the rear panel or over a
remote link.

Self-powered loudspeakers can be conveniently controlled and monitored over a network
with a PC running TurboDrive™ software.

Class D amplifier modules can be retrofitted to non-powered enclosures in place of the
Speakon connector panel, providing a quick and effective upgrade path.

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Model Information

TFA-600H Three-Way Loudspeaker

The TFA-600H is a compact, trapezoidal, modular three-way switchable tri-amped/bi-amped
loudspeaker. It combines a patent-pending Dendritic HF waveguide and a patented midrange

Polyhorn™ in a single physically aligned waveguide. This geometry allows the enclosure‟s

dispersion to be easily adapted to line array or virtual point source implementation.

The loudspeaker‟s 75° horizontal dispersion pattern maximises the direct sound field while
reducing reverberant energy. Two Flex Array columns arrayed at 55° provide an ideal 130° of
horizontal coverage for wider auditoriums or outdoor events.

Neodymium drive units are used throughout the product in order to achieve exceptionally
low net weight, making it convenient to transport, handle and rig. In addition the drive units
are symmetrically located within the enclosure, which contributes to the smooth and
consistent horizontal coverage. The upper crossover point is positioned at 6kHz, giving the
legendary Turbosound midrange power and clarity that is only possible from a paper cone
type transducer.

The enclosure has both vertical and horizontal flying systems integrated into the cabinet. The
horizontal system uses a simple and effective drop link mechanism which permits easy
positioning and angling of each cabinet within any given line array configuration. Enclosures
are equipped with captive biscuits for use with chain links in virtual point source clusters, and
with a range of flying yokes for rigging enclosures in point source applications.

The 15mm birch plywood cabinet is equipped with a perforate steel grille with foam backing,
and recessed handles on the sides, rear, top and bottom. A recessed rear panel carries two
parallel-linked Speakon NL8 connectors for input and loop-through connections.

TFA-600HW Wide Dispersion Three-Way Loudspeaker

A wide dispersion version of the standard TFA-600H, but with a wider 100°h x 16°v coverage
pattern. The cabinet is identically sized and features the same integrated flygear - making it
possible to either integrate the TFA-600HW in a cluster of TFA-600H cabinets (for example as
downfills at the bottom of the hang), or to fly these on their own to simply achieve a wider

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coverage. This model is quickly identified by the „W‟ legend visible through the window on
each side of the cabinet.

The mid/high section is rotatable to allow a swap of the horizontal and vertical coverage
patterns, and in this configuration the TFA-600HW also works well as a stage lip infill cabinet.

TFA-600HDP Self-Powered Three-Way Loudspeaker

The TFA-600HDP is a networkable, digitally self-powered, bi-amplified, trapezoidal three-way
enclosure combining a patent-pending Dendritic HF waveguide and a patented midrange
Polyhorn™ in a single physically aligned waveguide.

It features a new generation of innovative lightweight Class D amplifiers, utilising
revolutionary 96kHz DSP technology to give operating efficiency in excess of 90%. Two
independent amplifier channels power the LF and MF/HF drivers separately. Neutrik™
Powercon connectors provide mains input and output to permit powering of two further
cabinets, while 3-pin XLRs are used for input and parallel link signal connections. RJ45
network connectors enable multiple loudspeakers to be controlled and monitored over a
BVNet network using TurboDrive™ software.

The enclosure has both vertical and horizontal flying systems integrated into the cabinet in
order to facilitate simple and intuitive rigging with a minimum of external parts. The
horizontal system is used to create flown or ground-stacked line array configurations. The
vertical rigging system is used for single box and virtual point source applications. This
flexibility of use is made possible by the rotatable mid/high section.

TFA-600HWDP Wide Dispersion Self-Powered Three-way Loudspeaker

The TFA-600HWDP is a wide dispersion networkable, digitally self-powered, bi-amplified,
trapezoidal three-way enclosure combining a patent-pending Dendritic HF waveguide and a
patented midrange Polyhorn™ in a single physically aligned waveguide.

It features two independent Class D amplifier channels powering the LF and MF/HF drivers
separately. Neutrik™ Powercon connectors provide mains input and output to permit
powering of two further cabinets, while 3-pin XLRs are used for input and parallel link signal

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connections. RJ45 network connectors enable multiple loudspeakers to be controlled and
monitored over a BVNet network using TurboDrive™ software.

The enclosure has both vertical and horizontal flying systems integrated into the cabinet in
order to facilitate simple and intuitive rigging with a minimum of external parts. The
horizontal system is used to create flown or ground-stacked line array configurations. The
vertical rigging system is used for single box and virtual point source applications. This
flexibility of use is made possible by the rotatable mid/high section.

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TFA-600L Compact Horn-loaded Subwoofer

The TFA-600L is a compact, horn-loaded subwoofer enclosure designed to be flown or
ground stacked with TFA-600H enclosures. It consists of a single 18” neodymium drive unit
loaded with a TurboBass™ device in a birch plywood cabinet. The TFA-600L utilises the same
drive unit as the larger TSW-218 horn-loaded subwoofer and employs the same loading
techniques, so these two bass enclosures can be freely mixed in any application. The

proprietary 18” drive unit is the result of a development project that has produced a unique

neodymium motor system. The magnet system drives a dual-spider, split 4” voice coil which
provides linear BL (magnetic force) with displacement, ensuring optimum control from the

motor assembly and very low harmonic distortion, even at the excursion limits. The 4” voice

coil also results in a lower system moving mass than equivalent 5” units, resulting in higher
sensitivity and exceptional response to fast transient peaks.

The enclosure is equipped with an integrated flying system which enables it to be flown at
the top of a column of Flex Array loudspeakers using a simple conversion frame between the
bass enclosures and mid/highs. The same conversion frame is used to create a stable Flex
Array ground stack. A pole mount socket is provided for use with flying yokes.

The 15mm birch plywood cabinet is equipped with a perforated steel grille with foam backing
and recessed handles on the sides and back, and is supplied with heavy duty wheels in order
to aid trucking and handling.

A recessed panel at the rear of the cabinet carries two parallel-linked Speakon NL4MP
connectors for input and loop-through connections.

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TFA-600LDP Compact Self-Powered Horn-loaded Subwoofer

The TFA-600LDP is a compact, networkable, digitally self-powered, horn-loaded subwoofer
enclosure designed to be flown or ground stacked with Flex Array TFA-600HDP mid/highs.

It features a new generation of innovative lightweight Class D amplifiers, utilising
revolutionary 96kHz DSP technology to give operating efficiency in excess of 90%. A
Neutrik™ Powercon connector provides mains input and 3-pin XLRs are used for input and
parallel link signal connections. RJ45 network connectors enable multiple loudspeakers to be

controlled and monitored over a BVNet network using TurboDrive™ software. The enclosure

is equipped with an integrated flying system which enables it to be flown at the top of a
column of Flex Array loudspeakers using a simple conversion frame between the bass
enclosures and mid/highs. The same conversion frame is used to provide a stable Flex Array
ground stack. A pole mount socket is fitted for use with flying yokes.

The 15mm birch plywood cabinet is equipped with recessed handles on the sides and back,
and is supplied with heavy duty wheels in order to aid trucking and handling.

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TSW-218 Horn-loaded Subwoofer

The TSW-218 is a horn-loaded subwoofer incorporating Turbosound's patented loading
principles, designed for use in applications requiring accurate and powerful reproduction of
low frequency energy at very high levels. Its ability to reproduce program material with such
integrity makes the TSW-218 applicable for both fixed or mobile systems which require
energetic low frequency response without stress or enclosure corrective equalisation.

The TSW-218 incorporates the TurboBass™ device, which employs a high-velocity partial
horn-loading technique, giving precise cone control at high power levels. The proprietary 18”
drive units are the result of a development project that has produced a unique neodymium
motor system. The magnet system drives a dual-spider, split 4” voice coil which provides
linear BL (magnetic force) with displacement, ensuring optimum control from the motor
assembly and very low harmonic distortion even at the excursion limits. The 4” coil also

means a lower system moving mass than equivalent 5” units, resulting in higher sensitivity

and exceptional response to fast transient peaks.

The TSW-218 is capable of outstanding electrical to acoustic power conversion. Optimisation
of the stepped horn flare produces a dramatic increase in sensitivity when multiple units are
coupled.

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TSW-218DP Self-Powered Horn-loaded Subwoofer

The TSW-218DP is a digitally self-powered horn-loaded subwoofer incorporating
Turbosound's patented loading principles, designed for use in applications requiring accurate
and powerful reproduction of low frequency energy at very high levels. Its ability to
reproduce program material with such integrity makes the TSW-218DP applicable for both
fixed or mobile systems which require energetic low frequency response without stress or
enclosure corrective equalisation.

The TSW-218DP features a lightweight Class D amplifier, utilising revolutionary 96kHz DSP
technology to give operating efficiency in excess of 90% and delivering 2500 watts in bridge
mode with abundant headroom into the two LF drivers. Four selectable presets provide a
choice of crossover points and delay settings depending on application. A Neutrik™
Powercon connector provides mains input and 3-pin XLRs are used for input and parallel link
signal connections. Two RJ45 network connectors are provided.

The TSW-218DP incorporates the TurboBass™ device, which employs a high-velocity partial
horn-loading technique, giving precise cone control at high power levels. The proprietary 18”
drive units are the result of a development project that has produced a unique neodymium
motor system. The magnet system drives a dual-spider split 4” voice coil which provides
linear BL (magnetic force) with displacement, ensuring optimum control from the motor

assembly and very low harmonic distortion even at the excursion limits. The 4” coil also
means a lower system moving mass than equivalent 5” units, resulting in higher sensitivity

and exceptional response to fast transient peaks.

The TSW-218DP is capable of outstanding electrical to acoustic power conversion.
Optimisation of the stepped horn flare produces a dramatic increase in sensitivity when
multiple units are coupled.

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Network Capability

Self-powered Flex Array loudspeaker systems are supplied with built-in network functionality

– enabling fast, intuitive control and monitoring of all networked devices via the BvNet
protocol using Turbosound‟s TurboDrive™ software. Flex Array features brand new DSP,

offering multiple internal preset recall via the rear panel or by a remote link.

LMS-D2x series controllers are equipped with network cards as standard and are pre­configured with factory programs for all non-powered Flex Array models.

TurboDrive™ offers user control of input EQ, delay and mute, although key factory settings

such as limiting and driver correction are locked out on DP models to maintain consistent
voicing and driver protection while ensuring maximum flexibility of use.

Single controllers are connected via RS232, while multiple units (controllers or self-powered
loudspeakers) are connected to a PC via a simple BVNet USB adapter.

TurboDrive™ Quick Reference Setup

The following is a quick reference setup guide for networked systems. For more detailed

setup instructions please refer to the TurboDrive™ User Guide, available as a pdf download

from our ftp site ftp://ftp.turbosound.com/downloads/tech_data/software/turbodrive.

Computer System Requirements

Minimum system requirements are as follows:

 PC with Pentium processor

 Windows NT, 2000, XP or Vista

 CD ROM or internet access

 RS232 or USB port

The TurboDrive™ software is available from the CD supplied with your BvNet interface, or as
a download from our website at www.turbosound.com. We recommend that you always
check the website for the latest version of the software.

Hardware Requirements

In addition to a desktop PC or laptop as described above, the following equipment is required
in order to assemble a system network:

 Linea Research USB & RS232 Interface (available from Turbosound, stock code

16F0005)

 Linea Research Accessory Power Supply (optional, available from Turbosound, stock

code 15F0010)

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 CAT5 type network cables

 Self-powered loudspeaker(s) OR

 Loudspeaker(s) AND LMS-D24 or LMS-D26 loudspeaker management system(s)

To create a network follow the steps below:

1. Install the TurboDrive™ software

from the CD supplied or download from the Turbosound website
ftp://ftp.turbosound.com/downloads/tech_data/software/turbodrive.

2. Install the drivers

If you are connecting via RS232 there is no need to install drivers. If you are
connecting via a USB port install the drivers which can be found on the CD that was
supplied with your Linea Research BvNet interface.

3. Connect a LMS-D2x loudspeaker management system to a PC

BvNet is the method of connecting multiple devices over a network, and this is done
with the Linea Research USB & RS232 Interface (available from Turbosound) which
enables devices to be connected either using RS232 or the RS485 standard carried
over CAT5-type cables.
Using RS232
Connect your computer to the RS232 port on the BvNet interface using a standard 9­pin serial cable. External power is required for RS232 operation and this should be
supplied by the Linea Research Accessory Power Supply System.

MALE-FEMALE
SERIAL EXTENSION CABLE

RS-232

RS-232

BVNET INTERFACE POWER SUPPLY

CONTROLLER

CONTROLLER

USB

IN LINK

IN LINK

IN LINK

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4. Using USB

Connect your computer to the BvNet interface using a USB Type A to USB Type B
cable. External power is not required when using USB.

5. Connect network devices in a simple daisy-chain fashion with CAT5 type cables in

the order you want them to appear in the devices window.

6. Launch the TurboDrive™ software

On the first launch, the application will prompt for an authorisation code. The code
is PJLUWZ

7. Select the COM port from Network > Com Port

8. Click the Online toolbar button

9. Click on one of the devices that appear in the tree view to Launch the Panel

RS-232

USB

BVNET INTERFACE

CONTROLLER

CONTROLLER

USB

IN LINK

IN LINK

IN LINK

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GigMate™ Acoustic Simulation

While the Flex Array System is remarkably intuitive in terms of building arrays and aiming
them – and requires no theoretical calculations in order to achieve optimum coverage of a
room or audience space – there may well be situations where some prior knowledge of a
venue can save time in setting up and configuring the PA. In order to aid in this process,

Turbosound offers the GigMate™ software acoustic simulation package, a version of the

generic EASE Focus program that is based on current EASE 4.1 data.

GigMate™ provides an accurate elevation representation of sound pressure level and
coverage of a room, given the dimensions of the audience areas and location of available
rigging points in the venue. The database allows for the creation of flown clusters, or for
ground stacked arrays, of TFA-600H mid/high and TFA-600L bass enclosures.

Setting up a Venue - Overview

The Audience Area window provides a way to add or remove Audience Areas and define
their location in the space. A venue can be selected from a range of standard venue presets,
or set up from scratch using the X and Y co-ordinates menus to define the location, size and
angle of the listening areas.

The PA is set up by choosing either a flown cluster or ground stack. Box count, cluster
position, tilt angle and splay angle can all be selected independently.

The mapping properties allow the user to select frequency bands from 125Hz to 8kHz, and
also bandwidth from one-third octave to broadband. Weighting and level can also be
selected here.

Once mapped to achieve satisfactory room coverage and level, results can be saved and
printed as a .rtf file. The program will also calculate the total weight of the cluster as well as
its overall physical size.

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Running Turbosound GigMate™ for the first time:

When you first start the program you must set the system file that it is to use. The installation
files include the Flex Array file, as well as the Aspect TA-500 file and two Turbosound Aspect
TA-890 Touring System files as shown below:

Select the Flexv2.efo file . You will now be presented with the GigMate™ main screen:

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The screen is split into four main areas:

System Setup
The left hand side of the screen is where you define the system, auditorium and project. Tabs
on the bottom of this window allow you to toggle between the three modes.

Mapping Properties
This is the main window which will display the system as configured in the System Setup
window, along with the audience areas and mappings.

Audience Area
Beneath the main Mapping Properties window this graphically displays the SPL on each
audience area, or across a combination of audience areas.

Rigging
The far right window shows the detail of the system configuration, and is especially useful in
larger venues where the speakers shown in the main window become very small.

Designing a System

To design a system begin by defining the venue/audience areas by clicking on the “Audience
Area” tab in the bottom left of the screen.

Within this window you can edit or remove existing audience areas, and create new ones.

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There are two methods of defining an audience area. In either case you must define the
X1/Y1 coordinate of the start of the area; you can then either enter the X2/Y2 points or its
length and angle.

As you create audience areas they are shown graphically in the main window.

Desiging the Loudspeaker Array

The next step is to design the loudspeaker array using the “System Setup” window. Select
the “System Setup” tab in the bottom left of the screen and begin by choosing the desired

flybar or ground stack in the drop down box at the top left of the window.

Now select the number of cabinets deep that you wish to hang or stack from the “Box Count”
drop-down menu. Trim height or PA wing height can now be set in the “Position” field.

If a mix of Low and High cabinets are to be used then select in the “Cabinet” window the

type and location in the array of each box. The angle between cabinets can now be set in the

“Angle” list. Each cabinet has an aiming line that can be used to determine the centre of each
cabinet‟s dispersion. Adjust the trim height, top angle and inter-cabinet angle to achieve

optimum coverage.

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Now that the general design has been established the system performance must be mapped.

At the top of the main window there is an “SPL Mapping” checkbox. This will map the

system output at the frequency and bandwidth selected in the adjacent dropdown boxes. For
most applications a one-third octave weighted mapping gives realistic and useful data.

System Mapping Performance