NuQ SERIES
USER MANUAL
Turbosound Ltd.
Star Road, Partridge Green
West Sussex RH13 8RY England
Tel: +44 (0)1403 711447
Fax: +44 (0)1403 710155
Issue 1.0 July 2007
Copyright © 2007 Turbosound Ltd.
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NuQ series
System 4 – Stereo Bi-amped setup with Sub-bass units and Active Crossover......26
Loudspeaker Management Systems ...................................................................................................... 27
Turbosound LMS series loudspeaker management systems....................................27
LMS-D24/6 Quick Reference Set Up .............................................................................29
Starting up ..................................................................................................................29
About Presets..............................................................................................................29
Preset Recall................................................................................................................30
Creating a user defined crossover............................................................................30
Store button................................................................................................................30
LMS-D24/D26 Audio Connections ................................................................................31
Audio Input connectors..............................................................................................31
Audio Output connectors ..........................................................................................31
Presets and Secure mode..........................................................................................31
Flying & Lifting / Rigging........................................................................................................................... 32
Hardware Compatibility.................................................................................................33
Speaker Pole and Tripod Stand Mounting ..................................................................33
Use with Flying Yokes....................................................................................................33
Truss Mounting ..............................................................................................................33
Wall Mounting................................................................................................................34
Ceiling Mounting............................................................................................................35
Small Loudspeaker Arrays ............................................................................................35
Horizontal Rigging..........................................................................................................35
Small Vertical Array .......................................................................................................36
Using the T-bar...............................................................................................................36
Flying Single Enclosures ...............................................................................................37
Use of Thread Locking Compounds.............................................................................39
Servicing Information................................................................................................................................ 40
Removal of the low frequency driver – B15 front loaded bass enclosure................40
Removal of the low frequency driver – B18 bandpass bass enclosure ....................41
Removal of the HF compression driver and LF driver – two-way cabinets..............42
About EASE Data ........................................................................................................................................ 43
Overview .........................................................................................................................43
Use of Turbosound EASE data .....................................................................................44
Technical Specifications.......................................................................................................................... 45
Non-Powered Enclosures ..............................................................................................45
Self-powered Enclosures...............................................................................................46
Spare Parts List........................................................................................................................................... 47
Warranty....................................................................................................................................................... 48
Notes............................................................................................................................................................. 50
NuQ manual
page 3
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NuQ series
Introduction
Congratulations, you have just purchased a professional loudspeaker product from the
NuQ series of professional portable loudspeakers, designed to give you the best in audio
quality and many years of reliable, trouble free operation. It offers excellent pattern
control, superior audio quality, self-powered options, networking capability, integral
rigging hardware options, full technical documentation including EASE data, and a
comprehensive warranty against manufacturing defects. Please read through this manual
carefully before you attempt to operate the loudspeaker system. It contains valuable
information enabling you to quickly and easily connect the loudspeakers to your
amplifiers, important system and set-up checks together with positioning and mounting
instructions.
Thanks
Thank you for choosing a TURBOSOUND NuQ series loudspeaker product for your
application. Please spare a little time to read the contents of this manual, so that you
obtain the best possible performance from this unit.
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
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.
NuQ manual
page 4
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NuQ series
Product Range Summary
General Features
NuQ series loudspeakers are designed for use in a wide variety of professional portable
sound reinforcement applications. These advanced features ensure that they will
continue to deliver consistently high quality audio performance.
•
•
•
•
Digitally self-powered product options provide a fully integrated, convenient
plug-and-play sound reinforcement solution for professional applications.
NuQ systems are fully networkable over a BVNet network, giving real time
control and monitoring of operating parameters
The enclosures are supplied with a durable black or white semi-matt textured
paint finish as standard.
Powder-coated perforated steel mesh grilles backed with reticulated foam
protect the drive units from damage and provide an unobtrusive and
aesthetically pleasing appearance.
•
High quality neodymium magnets are used throughout to reduce overall weight.
Cast-frame low frequency drivers give the combined benefits of high strength
and low weight.
•
•
Speakon NL4MP connectors are used on non-powered models for input and
loop-through / parallel connections to additional NuQ series speakers.
Class D amplifiers use 96kHz sample rates for pristine audio quality, and are
better than 90% efficient
NuQ manual
page 5
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NuQ series
General Features for Two-Way Enclosures
•
High-grade neodymium-magnet speaker components are matched with an
internal passive crossover to ensure a seamless transition between the high
frequency and low frequency drivers.
•
•
•
12” and 15” models are switchable active / passive via a rear panel toggle switch
to enable fully bi-amplified operation.
The 1” high frequency compression driver used in the NuQ-8 and NuQ-10 is a
proprietary design based on the award-winning Aspect® series HF driver.
Cabinets are constructed from high quality pre-formed birch plywood; rebated,
glued and screwed together for maximum strength and rigidity. This
construction method entirely eliminates four cabinet joints and reduces overall
weight.
•
•
The symmetrical quasi-trapezoidal cabinet shape with 45° side angle is designed
to enable reversible low profile wedge monitoring applications
Multiple rigging points enable a wide variety of installation methods: on speaker
stands and poles; with Turbosound yokes and swivel brackets; with
OmniMount™ hardware and specifically created Turbosound wall brackets. The
enclosures are also fitted with internal M10 threaded rigging points on the top,
sides, bottom and rear, that allow single cabinets to be suspended and angled in
fixed installations.
•
•
The rigging points on the bottom of the cabinets enable them to be hung upside
down in order to position the HF driver closer to the audience.
NuQ Series two-way enclosures are designed to give good pattern control down
to crossover frequency, and are fully supported with EASE polar data (available
enables accurate and predictable results when specifying sound systems in a
given venue.
NuQ manual
page 6
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NuQ series
Model Information
NuQ-8
The NuQ-8 is a compact trapezoidal passive two-way
loudspeaker enclosure designed for use in mobile
speech and music sound reinforcement applications
as well as a range of fixed installations. It combines
a neodymium 8” LF driver with a 1” HF compression
driver on a rotatable 100º x 60º high frequency
waveguide with a passive crossover network. Its
symmetrical cabinet shape allows it to be used as a
low profile monitor wedge. Two Speakon NL4
connectors provide input and link out connections to
additional NuQ series loudspeakers.
The cabinet is fitted with a pole mount socket and
multiple internal rigging points which enable it to be
used with poles and speaker stands, yokes and
swivel brackets, wall brackets, and OmniMount™ series 20.5 brackets.
NuQ-10
The NuQ-10 is a compact trapezoidal passive two-way
loudspeaker enclosure designed for use in mobile
speech and music sound reinforcement applications
as well as a range of fixed installations. It combines a
neodymium 10” LF driver with a 1” HF compression
driver on a rotatable 100º x 60º high frequency
waveguide with a passive crossover network. Its
symmetrical cabinet shape allows it to be used as a
low profile monitor wedge. Two Speakon NL4
connectors provide input and link out connections to
additional NuQ series loudspeakers.
The cabinet is fitted with a pole mount socket and
multiple internal rigging points which enable it to be used with poles and speaker stands,
yokes and swivel brackets, wall brackets, and OmniMount™ series 60 brackets.
NuQ manual
page 7
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NuQ series
NuQ-12
The NuQ-12 is a trapezoidal switchable
active/passive two-way loudspeaker enclosure
designed for use in mobile speech and music
sound reinforcement applications as well as a
range of fixed installations. It combines a
neodymium 12” LF driver with a 1.4” HF
compression driver on a rotatable 80º x 50º high
frequency waveguide with a passive crossover
network, switchable to fully bi-amplified
operation via a rear panel switch. Its symmetrical
cabinet shape allows it to be used as a low profile
monitor wedge. Two Speakon NL4 connectors
provide input and link out connections to
additional NuQ series loudspeakers.
The cabinet is fitted with a pole mount socket and multiple internal rigging points which
enable it to be used with poles and speaker stands, yokes and swivel brackets, wall
brackets, and OmniMount™ series 60 brackets.
NuQ-15
The NuQ-15 is a trapezoidal switchable
active/passive two-way loudspeaker enclosure
designed for use in mobile speech and music sound
reinforcement applications as well as a range of fixed
installations. It combines a neodymium 15” LF driver
with a 1.4” HF compression driver on a rotatable 80º
x 50º high frequency waveguide with a passive
crossover network, switchable to fully bi-amplified
operation via a rear panel switch. Its symmetrical
cabinet shape allows it to be used as a low profile
monitor wedge. Two Speakon NL4 connectors
provide input and link out connections to additional
NuQ series loudspeakers.
The cabinet is fitted with a pole mount socket and multiple internal rigging points which
enable it to be used with poles and speaker stands, yokes and swivel brackets, wall
brackets, and OmniMount™ series 120 brackets.
NuQ manual
page 8
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NuQ series
B15
The B15 is a front-loaded, high efficiency low frequency loudspeaker designed to give
bass and sub-bass reinforcement to NuQ-8 and NuQ-10 two-way models. It will normally
form part of a two-way active system in conjunction with a Turbosound LMS series
loudspeaker management system.
It consists of a single 15” reflex-loaded low frequency driver in an optimally tuned 18mm
(3/4”) birch plywood enclosure with built-in pole mount socket and moulded corner
protectors. Two Speakon NL4 connectors provide input and link out connections.
B18
The B18 is a high efficiency bandpass subwoofer designed to give sub-bass
reinforcement to the NuQ-12 and NuQ-15 two-way models. It will normally be used as
part of a two-way or three-way active system in conjunction with a Turbosound LMS
series loudspeaker management system.
It consists of a single 18” bandpass-loaded low frequency driver in an optimally tuned
18mm (3/4”) birch plywood enclosure with pole mount socket constructed from with a
built-in pole mount socket and moulded corner protectors. Two Speakon NL4 connectors
provide input and link out connections.
NuQ manual
page 9
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NuQ series
NuQ-8DP
The NuQ-8DP is a compact, trapezoidal, digitally self-
powered networkable two-way loudspeaker enclosure
incorporating integrated Class D amplifier and control
electronics module. It combines an 8” LF driver with a 1”
HF compression driver on a rotatable 100º x 60º high
frequency waveguide. Its symmetrical cabinet shape
allows it to be used as a low profile monitor wedge. The
amplifier module provides input and link XLRs, RJ45
network connectors, low frequency contour, power
switch and status LED’s. The power supply is auto-
sensing, enabling connection to mains supplies ranging
from 100 volts to 240 volts AC.
The cabinet is fitted with a pole mount socket which
enables it to be used with poles and speaker stands.
NuQ-10DP
The NuQ-10DP is a trapezoidal, digitally
self-powered networkable two-way
loudspeaker enclosure incorporating an
integrated Class D amplifier and control
electronics module. It combines a 10” LF
driver with a 1” HF compression driver on a
rotatable 100º x 60º high frequency
waveguide. Its symmetrical cabinet shape
allows it to be used as a low profile monitor
wedge. The amplifier module provides
input and link XLRs, RJ45 network
connectors, low frequency contour, power
switch and status LED’s. The power supply
is auto-sensing, enabling connection to
mains supplies ranging from 100 volts to
240 volts AC.
The cabinet is fitted with a pole mount socket which enables it to be used with poles and
speaker stands.
NuQ manual
page 10
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NuQ series
NuQ-12DP
The NuQ-12DP is a trapezoidal, digitally self-
powered networkable two-way loudspeaker
enclosure incorporating an integrated Class D
amplifier and control electronics module. It
combines a 12” LF driver with a 1.4” HF
compression driver on a rotatable 100º x 60º high
frequency waveguide. Its symmetrical cabinet shape
allows it to be used as a low profile monitor wedge.
The amplifier module provides input and link XLRs,
RJ45 network connectors, low frequency contour,
power switch and status LED’s. The power supply is
auto-sensing, enabling connection to mains supplies
ranging from 100 volts to 240 volts AC.
The cabinet is fitted with a pole mount socket which
enables it to be used with poles and speaker stands.
NuQ-15DP
The NuQ-15DP is a trapezoidal, digitally self-
powered networkable two-way loudspeaker
enclosure incorporating an integrated Class D
amplifier module and control electronics.
Amplifier module includes input and link XLRs,
RJ485 network connectors, low frequency
contour, power switch and status LED’s. The
power supply is auto-sensing, enabling
connection to mains supplies ranging from 100
volts to 240 volts AC.
The cabinet is fitted with a pole mount socket
which enables it to be used with poles and
speaker stands.
NuQ manual
page 11
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NuQ series
B15DP
The B15DP is a self-powered front-loaded, high efficiency low frequency loudspeaker
designed to give bass and sub-bass reinforcement to the NuQ-8DP and NuQ-10DP two-
way models.
It consists of one 15” reflex-loaded low frequency driver in an optimally tuned enclosure
with pole mount socket and moulded corner mouldings constructed from 18mm (3/4”)
birch plywood and incorporating an integrated Class D amplifier and control electronics
module. The rear panel carries input and link XLRs, RJ485 network connectors, low
frequency contour, power switch and status LED’s.
B18DP
The B18DP is a self-powered high efficiency bandpass subwoofer designed to give sub-
bass reinforcement to the NuQ-12DP and NuQ-15DP two-way models.
It consists of one 18” bandpass-loaded low frequency driver in an optimally tuned
enclosure with pole mount socket and moulded corner protaectors constructed from
18mm (3/4”) birch plywood and incorporating an integrated Class D amplifier and control
electronics module. He rear panel carries input and link XLRs, RJ485 network connectors,
low frequency contour, power switch and status LED’s.
NuQ manual
page 12
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NuQ series
System Requirements
Passive loudspeakers and switchable loudspeakers used in passive mode
NuQ series passive loudspeaker enclosures require only one amplifier channel for correct
operation, the frequency splitting between the low frequency driver and the high
frequency driver being accomplished by the internal passive crossover network built into
each enclosure.
If subwoofer enclosures are used as part of a bi-amplified system in conjunction with
NuQ series 2-way enclosures to extend low frequency response, additional amplifier
channels and external electronic crossovers will be required. The Turbosound LMS-D6
and LMS-4 digital loudspeaker management systems are recommended for this purpose,
as well as other professional quality digital controllers.
Switchable active/passive loudspeaker enclosures when used in bi-amped mode require
the use of one amplifier channel per frequency band for correct operation. Frequency
splitting between the low frequency driver and the high frequency driver is accomplished
by a Turbosound LMS-D2X digital loudspeaker management system.
Dedicated subwoofer enclosures require an additional amplifier channel when used as
part of an extended frequency system. Frequency splitting between it and a NuQ series
mid-high enclosure is accomplished by an external crossover. Turbosound LMS series
digital loudspeaker management systems are recommended for this purpose.
NuQ manual
page 13
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NuQ series
Amplifier Considerations
Turbosound NuQ series loudspeaker enclosures should be driven by high quality power
amplifiers designed for true professional use. Such amplifiers will have balanced inputs,
DC and RF fault protection, and well designed cooling systems for reliability.
The ‘program’ power, listed in the loudspeaker’s technical specification, is the best guide
to the size of amplifier required for general purpose applications. The amplifier should be
capable of delivering long term broadband power equal to the loudspeaker’s program
power rating at the loudspeaker’s stated nominal impedance. This approach allows
sufficient headroom to generate good dynamic range.
RECOMMENDED AMPLIFIER POWER RATINGS:
The amplifier's rated continuous power output (20Hz – 20kHz, per channel)
should be equal to the program power handling of the loudspeaker at its
nominal impedance.
It should be understood that overdriving an insufficiently powered amplifier is more likely
to cause loudspeaker damage – the total energy in a heavily clipped signal is far higher
than in an unclipped signal – than operating a more powerful amplifier within its ratings.
In general, the more powerful the amplifier the better it will sound, provided that it is not
also driven into sustained clipping.
All the equipment in the system before the system controller should be set up for 0dBV
(775mV) maximum output. One controller can be used to feed several amplifiers as long
as all the amplifiers are the same (or have the same gain ratings). More than one
controller may be required if the amplifiers are of different gain or type. Please contact
your dealer if you require help in this area.
Turbosound recommends the T-series amplifiers for use with the NuQ series system. For
further information on T-series power amplifiers please visit the product showroom
section of our website at www.turbosound.com
NuQ manual
page 14
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NuQ series
Self-powered Loudspeakers
The Class D amplifier modules fitted to the NuQ-8DP and NuQ-10DP self-powered
loudspeakers comprise one amplifier channel rated at 500 watts continuous, powering
both low frequency and high frequency drivers through a passive crossover network.
The Class D amplifier modules fitted to the NuQ-12DP and NuQ-15DP self-powered
loudspeakers comprise two amplifier channels rated at 800 watts continuous: one
channel to power the low frequency driver (LF) plus another channel to power the high
frequency (HF) driver; plus an active crossover to split the signal and feed it to the
appropriate amplifier and driver section. Additional features such as limiting, digital time
alignment and driver EQ are carried out in the on-board DSP.
The Class D amplifier modules fitted to the B15DP and B18DP self-powered subwoofers
use the two-channel amplifier bridged to provide 1600 watts continuous.
Self-powered NuQ series products do not require the use of external amplifiers or
crossover/limiters.
Additional units may be daisy-chained together simply by linking the signal connections
through the input / link XLR connectors. In this way exact coverage of an event or
permanent installation may be achieved using a number of digitally powered
loudspeakers. It is however necessary to route individual power cords to each enclosure
as it is not possible to daisy-chain AC connections through the power connectors.
NuQ manual
page 15
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NuQ series
Loudspeaker connections
Passive systems
NuQ series passive loudspeakers are equipped with a recessed connector panel housing
two Neutrik Speakon NL4MP connectors wired in parallel and serving as both input and
loop out connections to additional NuQ series loudspeakers. The pin connections for the
NuQ-8 and NuQ-10—and the NuQ-12 and NuQ-15 when used in passive mode—adhere to
the standard professional audio loudspeaker wiring convention, which is pin 1+ positive
and pin1- negative as shown below. Pins 2+ and 2- are not connected.
Passive Speakon
2+
1-
connections
(Pins 2+ and 2- not connected)
2- 1+
Negative (-ve)
Positive (+ve)
Bi-amped systems
Pin connections for the NuQ-12 and NuQ-15 when used in bi-amped mode are as shown
below. Pin 1+ is LF positive, pin1- is LF negative, pin 2+ is HF positive, pin 2- is HF
negative. Move the rear panel switch from ‘passive’ to ‘active’ for bi-amp operation
before attempting to operate the loudspeaker.
HF Negative (-ve)
HF Positive (+ve)
2+
1-
Bi-amped Speakon
connections
2- 1+
LF Negative (-ve)
LF Positive (+ve)
Note that looping out to additional enclosures has the effect of reducing the load
impedance on the amplifier. For example, two 8 ohm cabinets in parallel give a combined
NuQ manual
page 16
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NuQ series
total impedance of 4 ohms. Never connect loudspeakers whose total combined
impedance is lower than the amplifier’s recommended minimum load impedance. Do not
use the loop-out connection to connect other types of loudspeaker, especially when their
impedance is not known, as permanent damage could result!
Please take care if XLRs, binding posts, or other dual connector systems, are used at the
amplifier end of the loudspeaker cables (jack plugs/sockets should not be used) where
there is a possibility of the cables being reversed. It is highly recommended that Neutrik
Speakon or other heavy duty non-reversible connectors are used.
Cable Recommendations
Heavy duty loudspeaker cable should always be used, with a minimum wire size of 12
gauge (1.5mm²), and preferably 10 gauge (2.5mm²) for longer runs, keeping the run as
short as possible. This helps to avoid wasting amplifier power in the resistance of the
cable. High cable resistance also lowers the damping factor of the amplifier which affects
its ability to control loudspeaker cone movement.
Losses due to undersized cable and long runs are clearly illustrated in the table below.
Please use this table to determine the most suitable cable size and maximum run for your
particular application.
Nominal Cable
Area (mm2)
Cable Length
(m)
Cable Resistance
(W)
Voltage Drop (%) 8 ohms
Sensitivity Loss (dB)
8W
0.8
1.6
4.0
7.7
14.3
0.5
1.0
2.4
4.8
9.1
0.3
0.6
1.5
3.0
5.8
4W
1.6
3.2
8W
-0.1
-0.1
-0.4
-0.7
-1.3
0.0
-0.1
-0.2
-0.4
-0.8
0.0
4W
-0.1
-0.3
-0.7
-1.3
-2.5
-0.1
-0.2
-0.4
-0.8
-1.6
-0.1
-0.1
-0.3
-0.5
-1.0
5
10
25
50
100
5
10
25
50
100
5
0.07
0.13
0.33
0.67
1.33
0.04
0.08
0.20
0.40
0.80
0.02
0.05
0.12
0.25
0.50
1.5
2.5
4.0
7.7
14.3
25.0
1.0
2.0
4.8
9.1
16.6
0.6
1.2
3.0
10
25
50
100
-0.1
-0.1
-0.3
-0.5
5.8
11.0
note : Figures based on specifications supplied by Van Damme Cables (VDC)
NuQ manual
page 17
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NuQ series
Networking Capability
NuQ series systems—these can be either passive or active loudspeakers operating with
LMS series digital loudspeaker management systems, or self-powered loudspeakers, or a
combination of both—may be connected together over a BvNet network, enabling real-
time control and monitoring of multiple operating parameters from a central location
with a PC running TurboDrive™ software, or even remotely via a VPN (virtual private
network).
LMS-D2X series controllers are equipped with network cards as standard and are pre-
configured with factory programs for all NuQ series models. Self-powered NuQ series
loudspeakers are supplied with built-in network functionality.
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 product, or as a
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 NuQ system network:
•
•
•
•
•
Linea Research USB & RS232 Interface
Linea Research Accessory Power Supply (optional)
CAT5 type network cables
Self-powered NuQ loudspeaker(s) OR
NuQ loudspeaker(s) AND LMS-D24 or LMS-D26 loudspeaker management
system(s)
NuQ manual
page 18
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NuQ series
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 from our web
To create a network of NuQ systems follow the steps below:
1. Install the TurboDrive software
from the CD supplied or download from the Turbosound website
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 9-
pin serial cable. External power is required for RS232 operation and this should be
supplied by the Linea Research Accessory Power Supply System.
CONTROLLER
IN LINK
CONTROLLER
IINK
BVT INTERFACE
POWER SUPPLY
IN NK
RS-232
USB
RS-232
MALE-FEMALE
SERIAL EXTENSION CABLE
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NuQ series
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.
CONTROLLER
IN LINK
CONTROLLER
IN INK
BVNET INTERFACE
IN INK
RS-232
USB
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
NuQ manual
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NuQ series
Loudspeaker Placement
Choosing the best location
When using any loudspeaker system certain room parameters will affect the resultant
sound quality and coverage. For example, any boundary like a wall or floor will lift certain
frequencies. If you are placing speakers in a corner, then a lift at the bass end is to be
expected and it may sound rather ‘boomy’. This can be compensated for by moving the
speaker or cutting low frequencies with an equaliser.
NuQ series speakers are designed to be flown in free space or mounted on specialist wall
and ceiling brackets. When speakers are flown in free space then boundary effects are
minimised. The result is a smooth frequency response without any boost at odd
frequencies, but the bass end may appear subjectively light. In this case increase the sub-
bass level to bring the low end up or add sub bass enclosures as necessary.
Dispersion
NuQ series enclosures are designed to provide respectably wide horizontal coverage;
NuQ-8 and NuQ-10 offer 100° and the NuQ-12 and NuQ-15 offer 80° of horizontal
dispersion respectively. This allows the majority of live sound applications to be covered
with single enclosures placed individually to take advantage of this performance feature,
for example either side of a stage in a pub, or small club environment, as shown here.
NuQ manual
page 21
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NuQ series
Calculating the sound pressure level at a known distance from the PA
Sound intensity reduces rapidly as the distance from the source increases according to
the inverse square law which, predicts that a doubling of distance will result in a
reduction of ¼ the original, equal to a drop of 6dB, providing there are no reflections or
reverberation. For every 3dB increase of speaker output you need a doubling of input
power.
For example, in an open space where the front seats are 6 meters (20 ft) from the sound
source and the back seats are 60m (200 ft) from the sound source, you would expect the
sound pressure to drop by a factor of 100 (= 20 decibels) between the front seats and the
back seats.
In a ‘real world’ enclosed auditorium, this reduction is partially mitigated by the effects of
reverberation in the distant field and, in the near field, because the speaker looks more
like a wall source than a point source. Therefore the sound field in a room only behaves
according to the inverse square law in a relatively narrow distance range.
It should be possible to make considered decisions regarding the particular models of
speakers that are required based on their sensitivity and SPL (sound pressure level) in
order to achieve the desired coverage and level.
Equalisation
NuQ series enclosures are designed to provide smooth and even frequency response.
They do not need excessive amounts of external equalisation to overcome the sonic
deficiencies often found in many lesser designs.
In order to compensate for room acoustics, NuQ series enclosures require only minimal
equalisation. As in any system, over-equalisation introduces phase shifts, distortion and a
reduction in headroom, usually causing more problems than it cures. It is good practice
to use as little equalization as possible, aiming to ‘cut’ frequencies rather than adding
large amounts of ‘boost’.
Most rooms will have resonances that will be excited at particular frequencies needing
some cut to help tame the sound. These problems are most pronounced at the lower
frequencies where loudspeakers generally exhibit very little directional control. Under
most circumstances a 1/3 or 1/2 octave graphic equaliser will generally be adequate, with
the fader settings applied smoothly and sparingly for the required room compensation.
If you find that the system needs a lot of boost at lower frequencies you probably need
additional sub-bass units.
NuQ manual
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NuQ series
System Configurations
The NuQ-8 and NuQ-10 two-way enclosures are passive loudspeaker systems. This
means that they require only one amplifier channel for correct operation, the frequency
splitting between the low frequency driver and the high frequency driver being
accomplished by the internal passive crossover network in each enclosure. If subwoofers
are used in a bi-amplified system in conjunction with these two-way enclosures,
additional amplifier channels and external electronic crossovers will be required. The
Turbosound LMS-D24/26 digital management systems are used for this purpose.
Many different system configurations of NuQ Series loudspeaker enclosures are possible
to suit various portable and fixed installation requirements, ranging from live music and
corporate events, cafes, bars and restaurants to theme parks, theatres and houses of
worship. Listed below are a few common examples.
System1 – Basic Stereo Passive setup
FROM MIXER
L
R
EQ
L
LMS-D24
R
POWER AMPLIFIER
A single power amplifier supporting two NuQ series 2-way loudspeakers creates a
standard stereo system. A further pair of NuQ loudspeakers could be connected using
the loop-through connections, although this will result in a corresponding drop in
impedance. With NuQ 2-way speakers having a nominal impedance of 8 ohms this would
make a combined 4 ohm load that should be suitable for any good quality power
amplifier (see amplifier considerations for more information).
NB: A stereo configuration is shown but this system could be run in mono.
NB: The EQ block is shown for tuning the room.
NuQ manual
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NuQ series
System 2 – Stereo Passive setup with Bass Units and Active Crossover
MID/HI
LEFT
BASS
FROM MIXER
L
R
EQ
POWER AMPLIFIERS
LMS-D24
MID/HI
RIGHT
BASS
In this case an LMS-D24 is used to separate the bass and mid / high frequencies and feed
them to the appropriate cabinets.
This system can be scaled up with the addition of further amplifiers and processors.
By substituting an LMS-D26 processor for the LMS-D24 there will be two extra channels
available for adding perhaps another pair of mid/top cabinets through an extra stereo
power amplifier.
The B15 bass speakers shown are rated at 8 ohms impedance so it is possible to run two
cabinets from one amplifier, providing the amplifier is powerful enough, although
additional amplifiers will still provide the best performance.
It is recommended to use a bass cabinet and a mid/top with each stereo amplifier as this
helps distribute the load across the power supplies better.
NB: The EQ shown is for tuning the system to the room / venue.
NuQ manual
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NuQ series
System 3 – Stereo Bi-amped setup with Active Crossover
HIGH
FROM MIXER
L
R
LEFT
BASS
EQ
POWER AMPLIFIERS
LMS-D24
HIGH
RIGHT
BASS
Note: Bi-amp mode must be selected on the rear panel of the loudspeaker before
proceeding with this setup.
The LMS-D24 is used to separate the bass and high frequencies and feed them to the
appropriate components within the enclosure. An additional pair of cabinets may be
connected.
NB: The EQ shown is for tuning the system to the room / venue.
NuQ manual
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NuQ series
System 4 – Stereo Bi-amped setup with Sub-bass units and Active Crossover
HIGH
LEFT
BASS
FROM MIXER
L
R
EQ
POWER AMPLIFIERS
LMS-D26
HIGH
RIGHT
BASS
POWER AMPLIFIERS
LEFT
SUB-BASS
RIGHT
Note: Bi-amp mode must be selected on the rear panel of the two-way loudspeaker
before proceeding with this setup.
The LMS-D26 is used to separate the audio into three frequency bands: high frequency,
mid/bass frequency, and sub-bass. As with the previous systems, additional cabinets may
be connected dependent on amplifier capability.
NB: The EQ shown is for tuning the system to the room / venue.
NuQ manual
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NuQ series
Loudspeaker Management Systems
The concept of a Loudspeaker Management System is to provide all the processing
electronics you might need in one box. This typically includes crossover functions,
equalisation, limiters, delays and preset memories, that can store different set ups for
various applications. A loudspeaker management system offers better audio quality,
more precise control and loudspeaker protection because operating parameters can be
precisely matched to the individual loudspeaker components.
Digital processing enables steeper roll-offs through the crossover areas to be designed,
allowing more output from the speakers, as they are individually handling more
appropriate bandwidths. Also, the addition of delay to the LF signal to match the arrival
of the HF can help to make the image more intelligible. Therefore, it is much easier, and
more efficient, to manipulate audio digitally in low voltage electronics than in the passive
crossover networks found inside speakers.
The NuQ series has a choice of sub bass units (B15 or B18) that are designed to be used
actively with the NuQ-8, NuQ-10, NuQ-12 and NuQ-15 mid/top cabinets. The Turbosound
LMS-D24 and LMS-D26 loudspeaker management systems contain custom presets for all
the NuQ series models along with a world-class audio specification.
Turbosound LMS series loudspeaker management systems
The Turbosound LMS-D24 and LMS-D26 series are powerful DSP-based audio processing
units designed for use with Turbosound loudspeaker systems and associated bass
enclosures. The functions of multiple conventional products are combined in a compact
1U high 19” rack unit. They offer EQ, both for the room and the drivers, delay to align the
wave front, and limiters that can be set for each individual component to ensure against
damage and to protect the long term reliability of your speakers.
The LMS-D26 has two inputs and six outputs and the LMS-D24 has two inputs and four
outputs, all electronically balanced. The units are configured to provide specific
equalisation and crossover points aimed at optimizing the performance of these
Turbosound loudspeaker systems. In addition, limiters, delays, eq, gain, polarity, and
crossover filter controls are accessible to the user in order to match specific operation
environments. The LMS series crossovers are designed for quick setup and adjustment
via easy-to use front panel controls and, are ideally suited to both live sound and fixed
installation.
NuQ manual
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NuQ series
LMS seris Features
•
Minimal signal path design, providing exceptional audio quality with carefully
optimised processing and high performance converters for a >111dB dynamic
range.
•
•
•
•
Sonically superb ADC / DAC combination; a carefully matched pairing of the best
devices from Burr Brown and Wolfson. Analogue Devices SHARC chip for DSP
Extended bandwidth; 96 kHz sampling frequency provides for a nominally flat
response to 40 kHz with minimal filtering.
Audio-grade capacitors used in the analogue signal path for true audiophile
performance and superior accuracy.
Input delays of up to 400ms and output delays of up to 80ms can be set up on
each output (mono) or pair of outputs (stereo) with fine resolution of 21µs steps
to ensure perfect driver alignment.
•
•
LF shelving filters to allow adjustment of the response in order to match
variations of the acoustic conditions.
Switching power supply that automatically adjusts to mains input voltages from
85 volts to 240 volts, allowing it be used anywhere in the world without
inconvenient mains transformer adjustment.
NuQ manual
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NuQ series
LMS-D24/6 Quick Reference Set Up
(LMS-D26 shown)
The LMS-D24 and LMS-D26 are designed for quick setup and adjustment via an easy-to-
use menu structure accessed by front panel buttons and 3 rotary encoders. A high
resolution backlit LCD display provides the user interface to the menu options and
parameters being adjusted.
Input Signal Indicators—three pairs of LED’s indicate signal present, +4dBu and input clip
for both channels. The signal present LED’s operate at approximately –40dBu, giving a
useful indication of even relatively low input signal levels. The +4dBu LED’s are intended
to show nominal operating level and can also be useful for setting system gain structure.
Clip LEDs warn the user of input overload and operate at +19dBu.
Starting up
The unit will energise as soon as power is applied to the IEC inlet; there is no power
switch. During the start up process the firmware application model number and version
numbers are displayed and the outputs are muted until the unit has completed its internal
checks. Once the start-up routines are complete and the unit is ready to pass audio, the
DSP signal path will be restored to the current settings when it was last powered down
and the audio signal is gradually ramped up to its correct level. At this stage the display
shows the default screen with the memory location and name of the current Preset on the
lower line of text.
About Presets
The unit has 45 memory locations and there is a library of around thirty ‘Factory’ Presets
to suit a range of Turbosound enclosures. Factory Presets are locked so they cannot be
over-written although edited versions can be stored in the free preset locations. Details of
all the Factory Presets can be found in Appendix A of the User Manual (LMSD2x pdf) in
Factory Presets contain some parameters that are fixed and hidden from view; typically
crossover frequencies, output delay and some EQs; those settings that are a function of
the loudspeaker cabinet design and should not require adjustment for different
applications. The number and type of hidden parameters is dependant on the Factory
Preset. The remainder of the DSP parameters are available for user manipulation.
NuQ manual
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NuQ series
Preset Recall
•
To select a Preset, press the Recall Button so the indicator above it illuminates.
•
•
Turn the left of the three parameter knobs (a) until the required Preset number is
shown on the display.
NB: Factory presets are indicated by a box symbol appearing after the Preset
number.
Press the Recall Button again to activate the Preset.
NB: Pressing any other button will cancel the operation.
This process is deliberately in three stages in order to guard against accidental recall of
incorrect Presets.
Creating a user defined crossover
In addition to the Factory Presets the unit has two further ‘Base Presets’ for mono and
stereo usage. These Base Presets are stored in locations 1 and 2 respectively, they can be
used to develop settings for any loudspeaker combination and are recalled in the same
way as the Factory Presets described above. These Presets are also locked but the user
can name and store their own edited versions in any free preset location.
Store button
To store a preset in a location, press the store button and use the encoders to select the
memory location and name the preset. Pressing the store button again completes the task.
Pressing any button other than store during the process cancels the procedure.
The store button allows the user to name a preset and choose which memory location it will be
held in. Pressing store button again completes the process.
NuQ manual
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NuQ series
LMS-D24/D26 Audio Connections
Audio Input connectors
These are fully balanced and are wired pin 1 ground, pin 2 hot and pin 3 cold. The two
inputs have pin 1 connected directly to the chassis and feed the signal processing chains.
If an unbalanced source is used, a connection should be made between the pin 3 ‘cold’
signal and the ground connection of the unbalanced source.
Audio Output connectors
The processed outputs are impedance balanced, and are wired pin 1 ground, pin 2 hot
and pin 3 cold. An unbalanced input may be driven by connecting pin 3 ‘cold’ signal to
the ground connection of the unbalanced destination input. Note that output pins 1 are
ground lifted at audio frequencies but connected to ground at RF for good EMC
performance. The intention being that the amplifiers the processor is driving should be
responsible for the grounding of their input cable shields.
Presets and Secure mode
A momentary button is fitted on the rear panel, between the output XLRs and the RS232
port. When activated, this will disable all the front panel controls so they cannot affect the
signal path, making the unit secure against tampering. When in secure mode, the
indicators still operate normally however; Presets cannot be stored or recalled. If the unit
is not responding then check that Secure Mode is not active.
Note that the communications port is still active in secure mode.
NuQ manual
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NuQ series
Flying & Lifting / Rigging
A versatile set of rigging parts has been designed for NuQ Series enclosures in order to
give the portable user and installer a cost effective approach to flying and mounting,
ranging from a single enclosure up to small arrays.
All riggable products are fitted with metric internal fixings. It is expected that external
parts such as eyebolts, flying bridles, scaffold clamps, safety chains etc. will be obtained
locally from the usual suppliers and used with the parts available from Turbosound. Note
that only collared eyebolts can be used for lifting; please refer to British Standard BS4278
for further information.
Any installation, whether temporary or permanent, must be securely attached to the
structure of the building using chain, steel wires or web straps which are certified and
load rated for the purpose. The combined weight of the sound system, its cables and the
rigging system must be safely carried by the points at which attachment is made to the
building or structure. Great care must be taken in selecting the attachment points and
methods, being absolutely sure of the load carrying capacity of points chosen.
IMPORTANT NOTE: The rigging of loudspeaker systems is an extremely serious matter
with potentially lethal consequences should anything go wrong. It is of vital importance
that you, or other people rigging the system, are suitably qualified to do so and have a
full understanding of all the factors involved with safety as a number one priority.
Turbosound accepts no responsibility for any accident, damage or failure of any rigged
system. This rigging information is specifically related to the requirements of the NuQ
Series products only. For more detailed information on the whole topic of rigging various
handbooks are available. If you are in any doubt contact your Turbosound dealer who
will be able to refer you to an experienced rigging company.
NuQ manual
page 32
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NuQ series
Hardware Compatibility
Model
NuQ-8
NuQ-10
NuQ-12
NuQ-15
Wall mount
WB-20B
PB-55
WB-20B
PB-55
WB-55B
PB-55
WB-55B
PB-55
Flying Yokes
NuQ-FY8
NuQ-SB8
NuQ-SBE8
NuQ-FY10
NuQ-SB10
NuQ-SBE10
NuQ-FY12
n/a
NuQ-FY15
n/a
Swivel brackets
Swivel bracket
extenders
n/a
n/a
Horizontal array
OmniMount™
NuQ-TB
NuQ-TB
n/a
n/a
Series 20.5
Series 60
Series 60
Series 120
Speaker Pole and Tripod Stand Mounting
NuQ series two-way cabinets are equipped with pole mount sockets for portable use on
35mm speaker stands or poles. NuQ series bass cabinets are equipped with pole mount
receptacles that allow two-way cabinets to be mounted at the correct height above the
sub-bass unit.
Use with Flying Yokes
Additional pole mounting flexibility is provided by adjustable flying yokes which allow
two-way speakers to be angled downwards in order to achieve better audience coverage
from a simple two-way-plus-sub-bass combination. The FY-PH pole holder adapter fixes
to the yoke and mounts directly on top of the speaker pole or tripod stand.
Truss Mounting
SC-01
Scaffold Clamp
Cabinets can be rigged from standard truss systems
using model-specific flying yokes and scaffold clamps.
NuQ-FY8
Flying yoke
These allow virtually unlimited adjustment of rotation
and downward angle to ensure accurate room coverage.
•
•
•
•
Remove the four M10 countersunk screws on
the sides of the cabinet using a 6mm Allen key
Fit the flying yoke using the M10 bolts supplied
and tighten
Attach the scaffold clamp to the top bar of the flying yoke using the M12 bolt
supplied and tighten
Mount the loudspeaker to the truss, angle and rotate as required and tighten the
thumbwheels
NuQ manual
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NuQ series
Wall Mounting
NuQ cabinets can be installed using purpose-
designed Turbosound wall brackets and
OmniMount™ wall brackets from the 60 series and
120 series ranges. Please refer to the Hardware
Compatibility chart earlier in this manual for the
correct model. To install a cabinet with a Turbosound
bracket:
WB-20B
Wall Bracket
•
Remove the blanking screws from the rear
panel of the loudspeaker (there are two M6 hex countersunk screws on the NuQ-
8 and NuQ-10, and four M6 hex countersunk screws on the NuQ-12 and NuQ-15).
•
•
•
•
Disassemble the bracket and separate into its two component parts: the wall
plate and ceiling plate.
Install the wall plate in the venue using suitable wall fixings, ensuring that the
plate is orientated such that the short section is at the bottom as shown.
Assemble the speaker plate to the rear of the loudspeaker using the fixings
provided and tighten the bolts.
Using suitable lifting equipment offer up the cabinet to the wall, insert the long
screw on the wall plate into the hole on the speaker plate, and assemble the flat
washer and nylock nut. Angle the cabinet as required and tighten the nylock nut.
All NuQ cabinets equipped with a pole mount socket can be wall mounted using the
universal PB-55 pole bracket. To install a cabinet using the PB-55 wall bracket:
•
Mount the PB-55 bracket to the venue using
suitable fixings.
•
Using suitable lifting equipment mount the
cabinet on to the wall bracket and tighten the
grub screw.
•
Angle as required.
PB-55
PoleBracket
NuQ manual
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NuQ series
Ceiling Mounting
Non-powered NuQ cabinets can be ceiling mounted using OmniMount™ ceiling brackets
from the 60 series and 120 series ranges. The brackets attach to the rear of the cabinet
and allow a range of angle adjustment. To install a cabinet using OmniMount ceiling
brackets:
•
Remove the blanking screws from the rear panel of the loudspeaker (there are
two M6 hex countersunk screws on the NuQ-8 and NuQ-10, and four M6 hex
countersunk on the NuQ-12 and NuQ-15).
•
•
Mount the bracket to the ceiling using suitable fixings.
Offer up the loudspeaker using suitable lifting equipment and attach the speaker
plate to the rigging points on the rear of the loudspeaker.
•
Angle as necessary and tighten all fixings.
Small Loudspeaker Arrays
NuQ series loudspeakers offer two choices of dispersion pattern, and this facility gives
considerable flexibility of coverage when assembling small loudspeaker arrays. By
rotating the Converging Elliptical Waveguides within the cabinet it is possible to obtain
either wide horizontal coverage or narrow horizontal coverage. The table below shows
the possible dispersion options for each model.
Model
NuQ-8
NuQ-10
NuQ-12
NuQ-15
Factory-supplied
HF horn rotated
100°H x 60°V
60°H x 100°V
100°H x 60°V
60°H x 100°V
80°H x 50°V
50°H x 80°V
80°H x 50°V
50°H x 80°V
Horizontal Rigging
Where ceiling height is limited or for other aesthetic reasons it may be desirable to mount
cabinets horizontally. The NuQ-SB horizontal
SC-01
swivel bracket is used for this purpose, and can
be fixed directly to a ceilings, or truss mounted
using the SC-01 scaffold clamp. The swivel
bracket is attached to the M10 rigging point at the
top of the cabinet and to the pole mount socket at
the bottom. In order to maintain a wide horizontal
coverage pattern when flying the cabinet
Scaffold Clamp
NuQ-SB8
Swivel bracket
NuQ-SBE8
Extender Bar
horizontally the high frequency horn should be
rotated through 90°. For instructions on rotating
the horn please refer to the servicing section of
NuQ manual
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NuQ series
this user manual.
Small Vertical Array
A second cabinet can be suspended underneath as shown with the addition of NuQ-SBE
extender bars which are available as left and right pairs. With both HF horns rotated
through 90° from the factory-supplied orientation the combined coverage pattern will be
around 100°H x 110°V.
Using the T-bar
The NuQ-TB T-bar allows two NuQ-8 or NuQ-10 cabinets (NuQ-12 and NuQ-15 cabinets
are not compatible with the T-bar) to be mounted together in a compact horizontal array
for corporate / industrial applications—either on top of a speaker pole or tripod stand, or
suspended from a truss system using a scaffold clamp—in order to widen the available
horizontal dispersion from the speaker system for better audience coverage. The FY-PH
pole holder is a simple fitting that allows the T-bar to adapt for use with standard 35mm
speaker poles and stands.
Each cabinet can be individually rotated and angled independently.
For optimum smooth coverage the NuQ-8
and NuQ-10 should be splayed at
approximately 45° with the HF horns in the
factory-supplied orientation, which will
give a combined coverage pattern of
around 145°H x 60°V. With both HF horns
NuQ-FY10
Fl yi ng Yok e
rotated for a wider vertical dispersion the
splay angle should be reduced to around
25°, giving a combined coverage pattern of
approximately 85°H x 100°V.
NuQ-TB
Tw i n Bar
FY-PH
Pole Holder
To create a horizontal array for speaker
stand / pole mounting:
•
•
•
•
Assemble the flying yokes and attach them to the cabinets as detailed above
using the fixings provided with the flying yokes.
Swing the yokes around to the bottoms of the cabinets and attach them to the
ends of the T-bar using the fixings provided.
Attach the FY-PH pole holder to the middle of the T-bar using the screws
provided.
Lift the assembly on to the speaker pole or tripod stand and tighten the wing
nut. Angle as required.
NuQ manual
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NuQ series
To create a horizontal array for truss mounting:
•
Assemble the flying yokes and
attach them to the cabinets as
detailed above using the fixings
provided with the flying yokes.
SC-01
Scaffold Clamp
NuQ-TB
Tw i n Bar
NuQ-FY10
Fl yi ng Yok e
•
Swing the yokes around to the
tops of the cabinets and attach
them to the ends of the T-bar
using the fixings provided.
•
•
Attach the SC-01 scaffold clamp
to the middle of the T-bar using
the screws provided.
Lift the assembly on to the truss structure and point the array as required.
Flying Single Enclosures
All NuQ series cabinets, including low frequency enclosures, can be rigged in permanent
installations using optional M10 shoulder eyebolts (available from Turbosound or third
party suppliers). These can be attached to the rigging points provided on the top and
back of the cabinet. The rigging point at the rear of the cabinet is used to alter the
downward angle of the enclosure.
As supplied, these rigging points are fitted externally with M10 countersunk slot-head
screws. To facilitate rigging of the enclosure simply remove these M10 screws and
replace them with M10 x 18mm shoulder eyebolts using a suitable thread locking
compound to avoid the possibility of loosening.
Note: Eyebolts must have a thread length of at least 18mm (3/4”).
NuQ manual
page 37
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NuQ series
NOTE: The rigging points are designed to suspend single enclosures only. There is no
facility to hang an additional cabinet below a flown NuQ series enclosure.
NuQ manual
page 38
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NuQ series
Use of Thread Locking Compounds
When assembling flying hardware to NuQ Series loudspeaker enclosures it is advisable
to use thread-locking compounds to eyebolts and other bolts in order to avoid any
possibility of loosening.
The recommended thread-locking compound is Loctite 222.
The threaded rigging points used in NuQ Series enclosures are manufactured from zinc-
plated mild steel. Therefore, and additionally if the external bolts used are zinc-plated,
zinc-passivated, stainless steel or anodised (as the majority are), then the corresponding
activator, Loctite 7471, should be used to achieve 100% performance.
Application: Spray Loctite 7471 into the thread holes and allow to evaporate. Apply
Loctite 222 thread locking compound to the bolts prior to fitting, allowing sufficient to fill
all the engaged threads. Assemble components and tighten as necessary.
The parts may be disassembled by hand if required.
NuQ manual
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NuQ series
Servicing Information
If any of the drive units in your NuQ series cabinet should cease functioning and need a
replacement re-cone or diaphragm, you are advised to remove the faulty unit from the
cabinet and send it to a professional service centre authorised to repair Turbosound
loudspeakers.
Removal of the low frequency driver – B15 front loaded bass enclosure
The perforated steel loudspeaker grille (4) is held in place by six M5 button head screws
(2), three on each side of the cabinet. Remove these grille retaining screws and set the
grille aside for later re-assembly.
Undo the M5 x 35 socket head screws (5) holding the driver (3) in place, remove these
together with the flat washers and spring washers, and carefully lift it out and away from
the cabinet (1). Make a note of the driver terminal polarity for later reconnection.
Disconnect the cables from the drive unit and completely remove the driver from the
cabinet being careful not to damage the cone or suspension. Do not place the driver near
to any equipment or media that may be adversely affected by strong magnetism, e.g.
CRT monitors or magnetic tape of any kind.
To reinstate the speaker simply reverse the above procedure, making sure you observe
the correct polarity when reconnecting the cables back into the terminals of the drive
units. Tighten the fixing screws.
NuQ manual
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NuQ series
Removal of the low frequency driver – B18 bandpass bass enclosure
Remove the No.12 x 1 ½” screws (4) holding the rear access door (5) in place and set it
aside for later re-assembly.
Undo the M6 x 35 hex head screws (3) holding the low frequency driver (2) in place,
remove these together with the flat washers and spring washers, and carefully lift the
driver out and away from the cabinet (1). Make a note of the driver terminal polarity for
later reconnection. Disconnect the cables from the drive unit and completely remove the
driver from the cabinet being careful not to damage the cone or suspension. Do not place
the driver near to any equipment or media that may be adversely affected by strong
magnetism, e.g. CRT monitors or magnetic tape of any kind.
To reinstate the speaker simply reverse the above procedure, making sure you observe
the correct polarity when reconnecting the cables back into the terminals of the drive
units. Tighten the fixing screws.
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Removal of the HF compression driver and LF driver – two-way cabinets
The perforated steel loudspeaker grille is held in place by six M5 button head screws,
three on each side of the cabinet (NuQ-8 illustrated here). Remove these grille retaining
screws and set the grille aside for later re-assembly.
Undo the screws holding the low frequency driver in place and carefully lift it out and
away from the cabinet. Make a note of the driver polarity for later reconnection.
Disconnect the cables from the drive unit and completely remove the driver from the
cabinet being careful not to damage the cone or suspension. Do not place the driver near
to any equipment or media that may be adversely affected by strong magnetism, e.g.
CRT monitors or magnetic tape of any kind.
Remove the horn/driver assembly by unscrewing the four screws holding the flange in
place. Lift it out and away from the cabinet. The high frequency driver can now be
disassembled from the HF horn.
To reinstate the driver(s) simply reverse the above procedure, making sure you observe
the correct polarity when reconnecting the cables back into the terminals of the drive
units.
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About EASE Data
Sound system projects are more likely to go to plan when you have a reliable indicator in
advance of how the speaker system will perform in the venue. Turbosound engineers are
able to assist you with your system design using the industry-standard EASE program to
aid in the quest to find the perfect system for the job. Although we cannot replace the
role of an acoustical consultant, we can provide a good indication of system performance
to back up the proposal.
Statistically, more jobs are won and more sales are made when a project has been
properly and scientifically designed, along with the facility to show the client a convincing
visual representation of the finished design. This cuts a large amount of guesswork out of
the process, and is the reason why we actively encourage you to make use of our design
resources to help you or your customers to win that next job. EASE is also a useful tool
for addressing acoustic issues in the venue, for example to justify adding acoustic
treatment to a room such as cladding a wall or balcony face. Having a graphical model
can strengthen the proposal and ultimately ensure a better result.
Overview
EASE (Enhanced Acoustic Simulator for Engineers) is a sophisticated sound system
design tool and acoustic simulation software package for Windows PCs, created by SDA
(Software Design Ahmert GmbH, Berlin). It enables extremely accurate acoustic
calculations to be realised both for indoor venues and outside spaces. In this way
acoustic parameters and properties can be calculated for audience areas or even
particular listener seats. EASE is particularly useful where a large number of speakers
may be used, i.e. in concert halls, stadiums and public buildings.
The EASE application itself is comprehensive and can account for a wide range of surface
properties, i.e. absorption and dispersion and also early reflections, directivity and phase
characteristics. 3D acoustical models can be created for computing parameters such as
RT (Reverb Time), IR (Impulse Response) and SPL (Sound Pressure Level) distribution for
sound reinforcement and speech intelligibility.
There are a variety of module upgrades that enhance EASE’s capabilities, such as AURA
(Analysis Utility for Room Acoustics) which has become a standard for modelling spaces
in three dimensions along with the VISION rendering engine. EASE VIEW loads OpenGL
and Mapping files as used in the design
EARS is an auralisation module that allows the determination of audio quality, and the
comparison of old against new sound system installs, by locating sound sources in the
virtual room, or open air space, using convolving and binaural techniques.
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EASERA is used for evaluating and measuring the transmission properties of both spaces
and electrical equipment.
EASE FOCUS is a free 2D ‘aiming’ program that can be used for aligning speaker stacks
and particularly arrays. It uses configuration files in ASCII format made using compiler
software which have the extension .efo.
Use of Turbosound EASE data
Turbosound provides pre-measured EASE data to aid sound system designers in making
appropriate choices with the type and positioning of speakers in the required venue. The
suitability of certain models can be assessed and the installation can be improved by
adapting the frequency response consequently.
The speakers are measured from the centre of an entire globe with 5 degree resolution
and third octave frequency resolution.
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Technical Specifications
Non-Powered Enclosures
Model
NuQ-8
NuQ-10
NuQ-12
NuQ-15
B15
B18
Dimensions
HxWxD
464x272x220
18.3x10.7x8.7
525x318x258
655x373x340
712x430x385
28x16.9x15.2
464x574x620
768x574x700
20.7x12.5x10.2
25.8x14.7x13.4
18.3x22.6x24.4
30.2x22.6x27.6
mm (inches)
Net Weight
LF driver
9.5kg (20.9lbs)
12kg (26.4lbs)
20kg (44lbs)
26kg (57.2lbs)
36.5kg(80.3lbs)
65kg (143lbs)
1 x 8”
1 x 10”
1 x 12”
1 x 15”
1 x 15”
1 x 18”
(203mm)
(254mm)
(305mm)
(381mm)
(381mm)
(457mm)
HF compression
driver
1 x 1” (25mm)
1 x 1.4” (35mm)
n/a
n/a
Frequency
60Hz - 20kHz
55Hz - 20kHz
55Hz - 20kHz
50Hz - 20kHz
45Hz - 120Hz
40Hz - 150Hz
Response ±4dB
Nominal
100°H x 60°V @ -6dB points
80°H x 50°V @ -6dB points
Dispersion
Power Handling
250 watts cont.
500 watts pgm
300 watts cont.
500 watts pgm
450 watts cont.
600 watts cont.
1200 watts pgm
400 watts cont.
800 watts pgm
600 watts cont.
1200 watts pgm
900 watts pgm
Recommended
amplifier power
@ 8 Ohms
500 watts
94dB
500 watts
96dB
900 watts
1200 watts
100dB
800 watts
100dB
1200 watts
102dB
Sensitivity
1 watt @ 1
metre
98dB
Max SPL
continuous->
peak->
118dB
124dB
121dB
127dB
127dB
133dB
129dB
135dB
126dB
132dB
130dB
136dB
Crossover
2k5Hz
1k6Hz
12dB/octave low-pass at 150Hz
Nominal
8 ohms
Impedance
Construction
12mm (1/2”) birch plywood
15mm (5/8”) birch plywood
18mm (3/4”) birch plywood
Grille
Powder coated perforated steel mesh, backed with black reticulated foam
Connectors
(2) Neutrik Speakon NL4MP wired
(2) Neutrik Speakon NL4MP wired
(passive) pin1+: positive, pin 1-:
negative, pins 2+ and 2- N/C, wired
(active) pin1+: LF positive, pin 1-: LF
negative, pin2+: HF positive, pin2-:
HF negative
(2) Neutrik Speakon NL4MP wired
pin1+: positive, pin 1-: negative,
pins 2+ and 2- N/C
pin1+: positive, pin 1-: negative,
pins 2+ and 2- N/C
Finishes
Black semi-matt textured paint, optional white textured paint
Note: All two-way models feature a rotatable Converging Elliptical Waveguide™ which
can be rotated through 90° in the cabinet.
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Self-powered Enclosures
Model
NuQ-8DP
NuQ-10DP
NuQ-12DP
NuQ-15DP
B15DP
B18DP
Dimensions
HxWxD
464x272x252
18.3x10.7x9.9
525x318x281
655x373x340
712x430x385
28x16.9x15.2
464x574x620
768x574x700
20.7x12.5x11.1
25.8x14.7x13.4
18.3x22.6x24.4
30.2x22.6x27.6
Net Weight
13kg
15.5kg
23kg
29kg
39kg
67.5kg
(28.6lbs)
(34.1lbs)
(50.6lbs)
(63.8lbs)
(85.8lbs)
(148.5lbs)
LF driver
1 x 8”
1 x 10”
1 x 12”
1 x 15”
1 x 15”
1 x 18”
(203mm)
(254mm)
(305mm)
(381mm)
(381mm)
(457mm)
HF compression
driver
1 x 1” (25mm)
1 x 1.4” (35mm)
n/a
n/a
Frequency
60Hz - 20kHz
55Hz - 20kHz
55Hz - 20kHz
50Hz - 20kHz
45Hz – 120Hz
40Hz - 150Hz
Response ±4dB
Nominal
100°H x 60°V
80°H x 50°V
Dispersion
@-6dB points
Maximum SPL
continuous->
peak->
118dB
124dB
121dB
127dB
127dB
133dB
129dB
135dB
126dB
132dB
130dB
136dB
Construction
Amplifier
12mm (1/2”) birch plywood
500 watts @ 8 ohms
15mm (5/8”) birch plywood
Class D
18mm (3/4”) birch plywood
Power Output
Dynamic Range
Input clip
2 x 800 watts @ 8 ohms
110dB
10dBu
Bandwidth
Grille
20Hz – 20kHz (±0.5dB)
Powder coated perforated steel mesh, backed with black reticulated foam
100v to 230v AC, 50-60Hz
Power
Requirements
Connectors
Finishes
Input: (1) XLR female, Link: (1) XLR male, wired pin 2 hot, (1) Neutrik Powercon mains, (2) RJ45 network ports
Black semi-matt textured paint, optional white textured paint
Technical Specification Notes:
Frequency response is measured on axis. Nominal Dispersion and sensitivity are an average over
stated bandwidth. Maximum continuous SPL is measured by using unweighted diode-clipped pink
noise in a half space environment. Maximum peak SPL is verified by subjective listening tests of
familiar program material, before the onset of perceived signal degradation
NB: Due to continuing product improvement these specifications are subject to change.
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Spare Parts List
Model
NuQ-8/DP
NuQ-10/DP
NuQ-12/DP
NuQ-15/DP
B15/DP
LS-1526
B18/DP
LS-1814
LF Driver
LS-8093
LS-1024
LS-1221
LS-1528
Re-cone Kit
HF Driver
RC-8093
RC-1024
RC-1221
RC-1528
RC-1526
RC-1814
CD-115
CD-213.2
n/a
n/a
n/a
HF Diaphragm
RD-115
RD-213.2
Passive
PX-8
PX-10
PX-12
PX-15
Crossover
Network
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Warranty
Limited Warranty
This Turbosound loudspeaker product is warranted to the original end-user purchaser
and all subsequent owners for a period of two (2) years from the original date of
purchase.
Warranty Coverage
Warranty coverage includes defects in materials and workmanship. It does not include:
•
•
•
damage caused by accident, misuse, abuse, neglect or modification by any other
person other than an authorised Turbosound representative,
damage caused by overdriving, use with unsuitable amplifiers or amplifier
failure,
damage caused by failure to operate the product in accordance with the
instructions contained in the user’s manual,
•
•
•
damage occurring during shipment in transit,
claims based upon any misrepresentations by the seller,
products which do not have the original components as specified in the product
engineering information,
•
products on which the serial number has been removed or defaced.
Shipping
Should any fault develop with a component of your Turbosound system, please return
the product, freight pre-paid, in its original packing carton, along with proof of purchase
such as the original bill of sale or receipted invoice, and a description of the suspected
fault to:
Turbosound Ltd. (Att: Customer Service), Star Road, Partridge Green, West Sussex RH13
8RY, United Kingdom, or your local authorised Turbosound representative.
The product serial number must be quoted in all correspondence relating to the claim.
Insurance is recommended, as Turbosound or its representatives are not liable for loss or
damage in transit. Turbosound will pay for return freight costs should repairs be covered
under warranty.
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Incidental and consequential damages
Turbosound's liability is limited to the repair or replacement, at our option, of any
defective product, and shall not be liable for any incidental and consequential damages
including, without limitation, injury to persons or property or loss of use.
Limitation of implied warranties
All implied warranties, including warranties of merchantability and fitness for a particular
purpose, are limited in duration to the length of this warranty.
This warranty is in addition to, and in no way detracts from, your statutory rights as a
consumer. No other warranty is expressed or implied.
Please record your purchase information below for future reference:
Dealer Name .....................................................................................................................................
Dealer Address .................................................................................................................................
............................................................................................................................................................
............................................................................................................................................................
Post / Zip Code .................................................................................................................................
Dealer telephone / fax .....................................................................................................................
Invoice number ................................................................................................................................
Date of purchase ..............................................................................................................................
Unit serial number ...........................................................................................................................
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Notes
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