Martin Audio TORUS User manual

User Guide
TORUS
Constant Curvature Array
V1.0

Copyright © 2021 Martin Audio Ltd. 2
TORUS USER GUIDE V1.0
TORUS USER GUIDE
Contents
Introduction
TORUS 4
Important Safety Instructions 5
Unpacking the Units 5
System Overview
TORUS 6
Mechanical Design 6
Acoustic Design 7
Landscape Deployment 7
Portrait Deployment 8
Changing Horn Dispersion 8
Accessories
T12POLERIG 9
T12GRID 9
SBAR 9
T12HRIG 9
T12TRIG 10
T12PB 10
T12GSRIG 10
Recommended Subwoofer
SXCF118 11
Amplication
iKON Amplifiers 12
DISPLAY 3.0
Overview 13
VU-NET 2.2
Overview 16
Connections
Overview 21

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Rigging
Overview 22
T12GRID 22
Inclinometer Assembly 23
Flying the Array 25
T12HRIG 30
T12TRIG 34
T12PB 39
T12POLERIG 42
SBAR 44
Essential Maintenance
Replacing the LF Driver 46
Replacing the High Frequecy Diaphragms 48
Remove the 6 rubber bungs from the horn flare 48
Remove the socket cap fasteners from the horn to remove the compression driver. 49
Remove the socket cap fasteners from the backplate to replace the diaphragm. 49
Specications
T1215 and T1230 50
Technical Drawings
T1215 51
T1230 52
Warranty
Warranty Statement 53

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Introduction
TORUS
For applications that typically require a throw between 15-30m, a full-blown line array is not always practical, optimal or affordable.
Conversely, a point source solution may not be sufficient in coverage and SPL. TORUS is a constant curvature array, designed to fill that
gap perfectly, combining optimised coverage, SPL and cost efficiency.
T1215 offers a narrow vertical pattern of 15° with a flexible horizontal pattern that can be manually adjusted between 90°, 60° or 75°
(Asymmetrical) via the Dynamic Horn Flare™.
T1230 offers a vertical pattern of 30° with a flexible horizontal pattern that can be manually adjusted between 90°, 60° or 75° (Asymmetrical)
via the Dynamic Horn Flare™.

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TORUS 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
• Do not remove any protective earth or signal cable shield connections
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.

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System Overview
TORUS
TORUS arrays are created using the two models in the series; the T1215 and T1230. Both feature a single 12” (300mm) Neodymium
magnet low frequency drivers which are phase plug loaded for increased mid-band sensitivity.
The high frequency element comprises three 1.4” (35mm) Neodymium Polymer Dome compression drivers loaded with a manually
adjustable Dynamic Horn FlareTM offering horizontal dispersion options of 60°, 90° or 75° Asymmetrical.
The two models differ only in their vertical dispersion. The T1215 has a 15° vertical dispersion, the T1230 has a 30° vertical dispersion.
TORUS is extremely versatile and is suitable for short to medium throw applications with comprehensive rigging offering solutions for a
huge variety of coverage requirements to meet virtually any shape of venue.
Mechanical Design
TORUS enclosures are built from marine grade plywood finished in hard-wearing, water resistant PU paint. Ergonomic handles make for
ease of transportation and deployment.
The rigging allows for up to 6 cabinets to be flown in a horizontal or vertical configurations and arrays can comprise of both models to tailor
the coverage to meet the requirements.
When flying TORUS vertically the HF horn can be positioned on the left or the right to create symmetrical system design.

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In a horizontal array the HF horn can be positioned at the top or bottom of the array.
Acoustic Design
TORUS low frequency section consists of a 12” (300mm) neodymium driver in a ported reflex configuration to maximise low frequency
extension. The driver is fitted with a phase plug in front of the cone to increase mid-band sensitivity to enhance projection in the vital vocal
band of frequencies.
The HF section consists of 3 x 1.4” (35mm) exit neodymium compression drivers mounted on a Dynamic Horn Flare™ with a flexible
pattern control that can be manually adjusted between 90°, 60° or 75° (Asymmetrical).The system moves and locks the waveguide whilst
also adjusting the horn mouth including the low diffraction termination into the baffle which ensures that the horn geometry remains
correct to produce the optimum settings for the dispersion you have selected.
The horn is adjusted from the front of the cabinet. This is done without the need to remove the grille.
Landscape Deployment
TORUS combined in landscape creates a vertical array. In this mode the combined fixed angle of the cabinets becomes the vertical
dispersion, and the flexible dispersion can be adjusted in the horizontal.

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Portrait Deployment
TORUS combined in portrait creates a horizontal array. In this mode the combined fixed angle of the cabinets becomes the horizontal
dispersion, and the flexible dispersion can be adjusted in the vertical.
Changing Horn Dispersion
To adjust the angle, rotate the thumbwheels at the top and bottom of the grille. Each side is adjusted in 15° increments showing either
“45°” or “30°”. If both sides are at their widest position the total dispersion is 90°, by adjusting one side down by 15° from 45° to 30°
the dispersion will be 75° asymmetrical with a bias to the left or right depending on which side of the horn you have adjusted. With both
set to the minimum angle the dispersion reverts to a symmetrical 60° Indicators on the thumbwheels show which angle the horn is set to.

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Accessories
T12POLERIG
The T12POLERIG allows a single cabinet (T1215 or T1230) to
be mounted using a standard 35mm speaker stand or a 35mm
distance bar when used in conjunction with one of the SX Series
Subwoofers fitted with a pole mount insert.
The T12POLERIG can be fitted to the top or the bottom of the
cabinet allowing systems to be mirrored with the high frequency
horn either to the left or the right.
SBAR
The SBAR allows a single cabinet to be flown in “landscape” mode.
5 holes give various angle options for up and down tilt. An adaptor
is included for truss mounting.
The SBAR can be fitted to the top or the bottom of the cabinet
allowing stereo systems to be mirrored with the high frequency horn
either to the left or the right.
The T12GRID is used to vertically array TORUS for up to 6 cabinets.
Cabinets may be flown from the T12GRID inverted allowing stereo
arrays to be mirrored with the high frequency horn either to the left
or the right.
T12HRIG
The T12HRIG is used to horizontally array TORUS for up to 6
cabinets. A single HRIG can be used to suspend up to 3 T12
cabinets and arrays consisting of 4 to 6 cabinets use 2 x T12HRIG.
T12GRID

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T12TRIG
The TRIG is a transition grid between vertically arrayed TORUS
SXCF118 subwoofers.
T12GSRIG
The T12GSRIG allows for up to 3 x TORUS cabinets to be
mechanically ground - stacked to SXCF118 subwoofers for safe
deployment.
T12PB
The T12PB allows up to 6 x TORUS to be flown in vertical arrays without any array angle limit. It can also be used as a pullback/array
stabilizing accessory when used with a T12GRID.

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Recommended Subwoofer
SXCF118
Whilst a TORUS array can be complimended with any of the SX Series subwoofers, the SXCF118 is an idea choice for vertical TORUS
arrays where a flown subwoofer is required in a combined array. By using the T12TRIG, TORUS can be flown directly under an array of
SXCF118 subwoofers.
The SXCF118 is a compact, high performance cardioid subwoofer, combining maximum low frequency output with pattern control. 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 enclosure is constructed from multi-laminate plywood and coated with hard-wearing textured black polyurea. Rigid perforated steel
grilles protect the front and rear of the enclosure, while interlocking skids protect the top and bottom surfaces and prevent movement when
stacked. An M20 threaded insert allows for pole mounting of TORUS systems.

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Amplication
iKON Ampliers
For the best possible performance T1215 and T1230 are powered and controlled using iKON amplifiers. Presets are dynamically created
using Martin Audio’s DISPLAY 3 prediction software. Once optimised the parameters can be exported from DISPLAY 3 and uploaded to the
iKON amplifiers via VU-NET control software.
Ethernet is used for system remote control and monitoring via Martin Audio’s VU-NET software application, while a 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 integrated to ensure
maximum performance and compatibility. It also provides up to 1000 FIR filter taps @ 48kHz on each output channel, which is essential
to implement DISPLAY’s bandwidth optimisation process in TORUS systems. iKON amplifiers provide 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.

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DISPLAY 3.0
Overview
DISPLAY 3 is modelling software that predicts coverage and SPL for Martin Audio loudspeakers in a 3D environment.
Optimised Array, Constant curvature, point source and subwoofer solutions can be reviewed, and system designs validated.
Within the application, venue creation is achieved via an import from Sketchup or by extruding a 2D slice from Display 2 software.

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Loudspeakers are inserted from the loudspeaker library or imported from a Display 2 file.
TORUS constant curvature systems for example can be deployed horizontally or vertically, with cabinet type, quantity and horn angle
defined from the loudspeaker inspector menu.
Display 3 utilizes tags or layers inherited from Sketchup or created natively if using a Display 2 import.
Layers can be used to define coverage parameters; audience, non-audience or hard avoid. These surface types define the offset with which
SPL is mapped.
The auto-assign button in the coverage tool automates this process.

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Display 3 is part of a developing roadmap of software releases whereby tools and features are incrementally released over time.
Display 3 can be downloaded from the Martin Audio website; https://martin-audio.com/support/software
SPL mapping shows the predicted output of the system with the selected input signal and gain structure.
Selecting the MAX button automatically sets the input level to the limit of the entire system. The resultant SPL map will be that of the
system as the first loudspeaker goes into limit.

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VU-NET 2.2
Overview
Vu-Net is control software for iKON, MLA and CDD LIVE products. Load factory presets and optimisations, monitor system performance in
real-time and have control over gain, EQ routing and delay via a networked infrastructure.
Devices can be added manually using the Palette on the left, but this has limited use. In practical applications, the Discover Devices
button is used.

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Presets are added to the amplifiers using the preset manager. Right click an amplifier to access the preset manager.
The application searches the network for all Vu-Net enabled devices and will add them to the project upon discovery.

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When loading a TORUS T12 preset, first select the deployment type, followed by the number of speakers and amplifier channels used to
drive the array.
The preset info box displays a coloured graphic of the T12 array showing how it should be wired. For vertical systems, the array is wired
from top to bottom and for horizontal systems, it is wired from the centre out.

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The table is used to select the DSP and output channel used per circuit. For vertical T12 arrays, independent DSP channels can be
assigned to each circuit.
An FIR Hi-Shelf is available on the DSP EQ to control the balance of the array.
For horizontal arrays, only one DSP channel is required.
TORUS cabinets have an LED for identification, this can be toggled from within the amplifier’s control panel. The output channel is muted
to prevent audio from passing to the circuit when the LED is active.

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Input EQ can be adjusted to suit your preferences and to compensate for any difficult acoustics.
PEQs and the Lo-Shelf are ganged across all used DSP channels in the array, whereas the FIR Hi-shelf is independent for each DSP
channel.
The high-pass filter is available on the Output EQ section for use with a subwoofer.
Vu-Net can be downloaded from the Martin Audio website; https://martin-audio.com/support/software