Cloud 46-120, 46-120MEDIA, 46-120T, 46-120TMEDIA Installation And User Manual
46-120 Installation and User Guide V1.1
MULTI-ZONE
MIXER AMPLIFIERS
46-120
46-120MEDIA
46-120T
46-120T
MEDIA
Installation and User Guide
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MEDIA PLAY ER
USB MEMORY CARD
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4 Z ONE 120W INTEG RATED MIX ER AMPLIF IER
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46-120 Installation and User Guide V1.12
WARNING:
To reduce the risk of re or electric shock, do not expose this appliance to rain or moisture.
CAUTION:
Use of controls or adjustments or performance of procedures other than those specied may result in hazardous radiation
exposure.
WARNING: SHOCK HAZARD – DO NOT OPEN
AVIS: RISQUE DE CHOC ELECTRIQUE – NE PAS OUVRIR
The lightning ash with the arrowhead symbol within an equilateral
triangle, is intended to alert you to the presence of uninsulated
dangerous voltages within the product’s enclosure that may be of
sufcient magnitude to constitute a risk of electric shock.
The exclamation point within an equilateral triangle is intended to
alert the user to the presence of important operating and maintenance
(servicing) instructions in the literature accompanying the appliance.
46-120 Installation and User Guide V1.1 3
IMPORTANT SAFETY INSTRUCTIONS
1. Read these Instructions.
2. Keep these Instructions.
3. Heed all Warnings.
4. Follow all Instructions.
5. Do not use this apparatus near water.
6. Clean only with a dry cloth.
7. Do not block any ventilation openings. Install in accordance with the manufacturers’ instructions.
8. Do not install near any heat sources such as radiators, heat registers, stoves or other apparatus (including ampliers) that
produce heat.
9. Do not defeat the safety purpose of the polarized or grounding - type plug. A polarized plug has two blades with one wider
than the other. A grounding type plug has two blades and a third grounding prong. The wide blade or the third prong are
provided for your safety. When the provided plug does not t into your outlet, consult an electrician for replacement of
the obsolete outlet.
10. Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and the point
where they exit from the apparatus.
11. Only use attachments/accessories specied by the manufacturer.
12. Use only with the cart, stand, tripod, bracket or table specied by the manufacturer or sold with the apparatus,
when a cart is used, use caution when moving the cart/apparatus combination to avoid injury from tip-over.
13. Unplug this apparatus during lightning storms or when unused for long periods of time.
14. Refer all servicing to qualied 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 expose the apparatus to dripping or splashing, and ensure that no objects lled with water, such as vases, are
placed on the apparatus.
L’appareil ne doit être exposé aux écoulements ou aux éclaboussures et aucun objet ne contenant de liquide, tel
qu’un vase, ne doit être placé sur l’appareil.
The mains plug is used as the disconnect device and it should remain readily accessible during intended use. In order
to isolate the apparatus from the mains, the mains plug should be completely removed from the mains outlet socket.
Le prise du secteur ne doit pas être obstruée ou doit être facilement accessible pendant son utilisation. Pour être
complètement déconnnecté de l’alimentation d’entrée, la prise doit être débranchée du secteur.
This apparatus is of Class 1 construction and must only be connected to a mains outlet socket with a protective
earthing connection.
Terminals marked with the symbol may use Class 2 Wiring, but voltages at these terminals may be of sufcient
magnitude to constitute a risk of electric shock. The external wiring connected to these terminals requires
installation by an instructed person or the use of pre-made leads or cords.
46-120 Installation and User Guide V1.14
Contents
SAFETY INFORMATION ............................................................................................................. 6
Safety Notes regarding Installation ............................................................................................................................ 6
Conformities ................................................................................................................................................................... 6
Safety Considerations and Information .................................................................................................................... 6
Caution – High Voltage .............................................................................................................................................. 6
Caution – Mains Fuse ................................................................................................................................................ 6
Caution – Servicing .................................................................................................................................................... 6
OVERVIEW ..................................................................................................................................... 7
Introduction .................................................................................................................................................................... 7
Scope of this manual ..................................................................................................................................................... 7
What’s in the box .......................................................................................................................................................... 7
Key features..................................................................................................................................................................... 8
Optional system components ..................................................................................................................................... 8
CDI-46 digital interface ............................................................................................................................................. 8
LM-2 remote active modules ................................................................................................................................... 8
RL-1 Series ................................................................................................................................................................... 9
RSL-6 Series ................................................................................................................................................................. 9
PM Series paging microphones ................................................................................................................................ 9
Block Diagram .............................................................................................................................................................. 10
Front panel description ...........................................................................................................................................11
Rear panel description ............................................................................................................................................ 12
INSTALLATION ........................................................................................................................... 14
Hardware considerations ...........................................................................................................................................14
Power Supply ................................................................................................................................................................ 14
Fuses and ratings ....................................................................................................................................................... 14
System connections ..................................................................................................................................................... 14
Music sources ............................................................................................................................................................14
Microphone input ..................................................................................................................................................... 15
Zone 1 Facility Port ................................................................................................................................................. 15
Paging system connections ..................................................................................................................................... 16
Music control ............................................................................................................................................................. 17
CDI-46 digital interface ...........................................................................................................................................18
Speaker outputs ........................................................................................................................................................ 19
Auxiliary line outputs ..............................................................................................................................................20
Music Mute ................................................................................................................................................................. 20
Remote Power Down ..............................................................................................................................................20
SETTING UP & OPERATION .................................................................................................... 21
Music Inputs .................................................................................................................................................................. 21
Gain & level ................................................................................................................................................................ 21
Local/remote control ............................................................................................................................................... 21
46-120 Installation and User Guide V1.1 5
46-120MEDIA digital media player ..............................................................................................................................21
Compatible media .................................................................................................................................................... 21
File types and rates supported ..............................................................................................................................21
Basic operation ......................................................................................................................................................... 22
Microphone inputs ....................................................................................................................................................... 22
Phantom power ........................................................................................................................................................ 22
Gain & level ................................................................................................................................................................ 22
EQ ................................................................................................................................................................................ 22
High-pass lter .......................................................................................................................................................... 22
Use of Mic 1 with a telephone system ................................................................................................................ 22
Zone and MOH/Utility outputs ................................................................................................................................ 23
EQ ................................................................................................................................................................................ 23
MOH/Utility output settings .................................................................................................................................. 23
High-pass lters ........................................................................................................................................................ 23
Priorities ........................................................................................................................................................................ 24
Mic-over-Music priority ...........................................................................................................................................24
Line 6 priority ............................................................................................................................................................ 24
Mic-over-Facility Port priority ............................................................................................................................... 24
Control ........................................................................................................................................................................... 24
CDI-46 digital interface ...........................................................................................................................................24
Auto Power Down ...................................................................................................................................................25
OPTIONS AND ADDITIONAL INFORMATION..................................................................... 26
LM-2 remote active module – general considerations ........................................................................................ 26
Connecting multiple LM-2s ....................................................................................................................................26
In-zone sources ......................................................................................................................................................... 26
In-zone remote control ........................................................................................................................................... 26
Using the Facility Port as an auxiliary zone input .............................................................................................26
RL-1 and RSL-6 Series remote control plates – general considerations ........................................................ 26
Control of music source and level via external DC .........................................................................................26
Fitting the CDI-46 digital interface ..........................................................................................................................27
Fitting loudspeaker EQ cards .................................................................................................................................... 28
Fitting CXL-46T transformers ..................................................................................................................................28
Bypassing transformers in the 46-120T and 46-120T
MEDIA ..........................................................................................29
Fitting the EQ security cover .................................................................................................................................... 29
APPENDIX ................................................................................................................................... 30
PCB jumper locations ................................................................................................................................................. 30
Table of internal jumpers and default settings ................................................................................................... 31
PSU capability and optional device current consumption ..................................................................................32
EMC considerations .................................................................................................................................................... 32
Ground loops ............................................................................................................................................................ 32
Technical specications ............................................................................................................... 33
General specications .................................................................................................................. 34
46-120 Installation and User Guide V1.16
SAFETY INFORMATION
Safety Notes regarding Installation
• Do not expose the unit to water or moisture.
• Do not expose the unit to naked ames.
• Do not block or restrict any air vent.
• Do not operate the unit in ambient temperatures above
35° C.
• Do not touch any part or terminal carrying the hazardous
live symbol
while power is supplied to the unit.
• Do not perform any internal adjustments unless you
are qualied to do so and fully understand the hazards
associated with mains-operated equipment.
• The unit has no user-serviceable parts. Refer servicing to
qualied service personnel.
• If the moulded plug is cut off the AC power lead for
any reason, the discarded plug is a potential hazard and
should be disposed of in a responsible manner.
Conformities
This product conforms to the following European EMC
Standards:
BS EN 55103-1:2009
BS EN 55103-2:2009
This product has been tested for use in commercial and
light industrial environments. If the unit is used in controlled
EMC environments, the urban outdoors, heavy industrial
environments or close to railways, transmitters, overhead
power lines, etc., the performance of the unit may be degraded.
The product conforms to the following European electrical
safety standard:
BS EN 60065:2012
Safety Considerations and
Information
All versions of the Cloud 46-120 must be earthed. Ensure
that the mains power supply provides an effective earth
connection using a three-wire termination.
Caution – High Voltage
Do not touch any part or terminal carrying the hazardous live
symbol while power is applied to the unit. Terminals to
which the hazardous live symbol refers require installation by
a qualied person.
Caution – Mains Fuse
The 46-120 contains no user-replaceable fuses. Mains
over-current protection is provided by the fuse in the IEC
receptacle; only replace this fuse with one of an identical type
and rating.
Caution – Servicing
The unit contains no user-serviceable parts. Refer servicing to
qualied personnel. Do not perform servicing unless you are
qualied to do so. Disconnect the power cable from the unit
before removing the top panel and do not make any internal
adjustments with the unit switched on. Only reassemble the
unit using bolts/screws identical to the original parts.
46-120 Installation and User Guide V1.1 7
OVERVIEW
Introduction
Thank you for purchasing this Cloud Multi-Zone Mixer
Amplier. We are condent that you will be pleased with its
performance, features, exibility and reliability.
The Cloud 46-120 is an integrated, analogue audio mixer
amplier. It combines simple control of background music
for four independent zones with versatile microphone paging
and power amplication in a single unit. It is suitable for use
in many types of premises, including pubs, bars, clubs, shops,
ofces, hotels, etc. It is compatible with Cloud PM Series
paging microphones and is also designed to interface with
most third-party paging microphones conforming to industry
standards.
Scope of this manual
This manual provides a comprehensive guide to the features
and functionality of all models of the Cloud 46-120 Integrated
Mixer Amplier. The 46-120 is available in four versions, with
or without an integral digital music player and/or with preinstalled transformers for 70 V-line operation (recongurable
for 100 V-line operation), as follows:
• 46-120 four-zone Mixer Amplier
• 46-120T four-zone Mixer Amplier with 70 V-line outputs
(100 V congurable)
• 46-120
MEDIA four zone Mixer Amplier with integral
digital music player
• 46-120T
MEDIA four-zone Mixer Amplier with integral
digital music payer and 70 V-line outputs (100 V
congurable)
Apart from the additional functionality provided by the music
player in the MEDIA versions, all 46-120 models are identical
in facilities and features. Unless specically stated otherwise,
the reference “46-120” can be taken to apply to all four
models throughout this User Guide, and all instructions and
guidance in the Guide can be assumed to be relevant to all
models.
Please read through the manual to become fully acquainted
with the various conguration and control functions the
46-120 offers.
The manual is arranged as follows:
• Overview – introduction to the 46-120 and its options.
• Installation – wiring the 46-120 in a practical situation.
• Setting Up & Operation – setting the system up and
user instructions.
• Options and Additional Information – additional
information about system options.
• Appendix – additional technical information (includes
technical specications).
The 46-120 manual includes basic information on interfacing
Cloud PM Series paging microphones and connecting Cloud
LM-2 remote active modules and RL-1/RSL-6 Series remote
control plates. An overview of the additional facilities provided
by the optional CDI-46 digital interface card is also included.
Full installation information for each of these options is
supplied with the items themselves.
Thank you again for placing your condence in Cloud products.
What’s in the box
Unpack the 46-120 and its accessories with care. It is always a
good idea to store all packaging (if practical), in case you ever
need to return the unit to your Cloud dealer for any reason.
As well as this manual, the shipping carton should contain
the items listed below. Please contact your Cloud dealer
immediately if any of them are missing or damaged.
• Cloud 46-120 Multi-Zone Mixing Amplier
• IEC mains lead (AC cord) with moulded plug appropriate
to the territory
• Set of mating connectors for all rear panel multi-pin
screw-terminal connectors
• Set of four plastic feet, with xings
• Front panel security cover (prevents access to Zone EQ
controls)
• 4qty M3 x 6 hex-head screws for security cover
• 2 mm hex key (for security cover screws)
46-120 Installation and User Guide V1.18
Key features
• Mixer amplier for four zones
• Built-in digital music player supports MP3 and WMA les
from USB memory sticks or SD cards at all standard data
rates/sample frequencies (MEDIA versions only)
• Six (unbalanced) stereo line inputs with individual gain
trim controls
• Front panel user controls for music source, music level
and level of each microphone, for each zone, plus preset
controls for HF/LF EQ
• Two balanced mic inputs; 15 V phantom power selectable
on either or both
• MIC 1 input can be congured as telephone system
interface
• Contact closure access port for paging zone selection –
most OEM paging systems supported
• Sensitivity and HF/LF EQ adjustment for mic inputs (rear
panel)
• Selectable VOX-triggered mic-over-music priority
• Selectable LINE 6 priority in Zone 1, with choice of
release times
• 4 x 120 W power output (4 ohms)
• Transformer-isolated auxiliary output with independent
mic and music level control - for use with telephone
MOH systems
• Aux output source selection (internal jumper) – xed
source or mix of Mic 1 and Zone 1 music source
• Zones 1 & 2 auxiliary line level outputs (pre-power
amplier), for connection of additional external ampliers
• Optional CXL-46T 70/100 V transformer can be tted
internally to any or all zone outputs (pre-tted to all
channels in T versions)
• Selectable 65 Hz high-pass lter per-output (for use with
70/100 V-line systems)
• Music Mute control input (N/O or N/C) for interface to
emergency system
• Zone 1 Facility Port (RJ45) for connection of optional
LM-2 mic/line remote input/control modules via Cat 5
• Compatible with standard Cloud remote control plates:
RL Series (music level) and RSL Series (music level and
source selection), per-zone
• Optional EQ cards available to suit various popular
installation loudspeakers may be tted in any or all
outputs
• Optional CDI-46 digital interface card with Cloud
Digital Paging System port for direct interface to PM
Series paging microphones, RS-232 serial port and RJ45
Ethernet port
• Energy-saving auto power-down function, Ethernetcontrollable (when CDI-46 is tted)
• Remote standby mode control by contact closure
• Variable–speed fan cooling
• 2U 19” rack-mounting unit
Optional system components
The following components may form part of the audio system
and may be ordered separately if required. They may also be
retrotted to a system at a later time. Separate datasheets
are available for each of the individual components; download
them at www.cloud.co.uk.
Note that full installation and operation instructions are
supplied with each optional component.
CDI-46 digital interface
The CDI-46 card is an optional accessory which gives the
46-120 additional interface and control capabilities. The
CDI-46 is equipped with both Ethernet and RS-232 ports,
allowing the mixing amplier’s primary functions to be
controlled from external systems (Crestron, AMX, etc.) using
either protocol. The card also acts as an Ethernet-to-serial
bridge, converting Ethernet commands to other equipment
into RS-232 data. See page 18 and page page 24 for more
details.
The CDI-46 is also tted with a Cloud Digital Paging interface
(the CDPM/PM INPUT). This provides the simplest method
of connecting Cloud PM Series Paging Microphones, requiring
only a single standard Cat 5 cable. See page 18 for more
details.
LM-2 remote active modules
MIC LEVEL
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The LM-2 is an active input module which allows a microphone
and a stereo line input in a remote location to be connected
to the 46-120. The faceplate has both phonos and a 3.5 mm
jack socket for connection of the line input, and provides a
convenient access point for the connection of a DJ mixer,
laptop, MP3 player or similar. Mic and line inputs have separate
level controls. A MIC PRIORITY button activates the Mixer
46-120 Installation and User Guide V1.1 9
Amplier’s priority circuitry; when enabled, a microphone
signal from the LM- 2 will reduce the music level in the zone
where it is installed. Changing a rear jumper alters the priority
operation so that the mixed mic and line signals from the
module cause the mixer’s line input selected to the Zone to
be fully muted.
The module also includes the functions of the RSL-6 Remote
Control Plate (see below), permitting control of zone music
level and source. See page 15 and page 26 for more
information.
The LM-2 connects to the 46-120’s ZONE 1 FACILITY
PORT via screened Cat 5 cable, and the remote sources are
routed to Zone 1. The mixer’s Mic inputs remain available.
Multiple LM-2s in Zone 1 may be daisy-chained to provide
mic inputs in more than one position in the zone. The LM-2
is available in sizes to suit UK, US and German electrical back
boxes; a choice of nishes is also available.
RL-1 Series
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RL-1
The RL-1 Series is a range of small plates with a single control
for locally adjusting the music level in a zone. They connect to
one of the 46-120’s REMOTE SOURCE + LEVEL ports.
See page 18 and page 26 for more information. RL-1s are
available in sizes to suit UK, US and German electrical back
boxes; a choice of nishes is also available.
RSL-6 Series
RSL 6-
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SOURCE SELECT
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The RSL-6 Series is a range of plates allowing local (per-zone)
music source selection as well as music level control. They are
the same size as the RL-1s, and connect in a similar way. See
page 18 and page 26 for more information. RSL-6s are
available in sizes to suit UK, US and German electrical back
boxes; a choice of nishes is also available.
PM Series paging microphones
Cloud PM Series paging microphones (except the PM1 –
see below) may be connected directly to the 46-120 in
two ways: i) via the CDPM/PM INPUT on the CDI-46
digital interface card (if tted); or ii) using MIC 1 input and
ACCESS CONTACTS port. Models are available which
can page to 4, 8, 12 or 16 zones, and also to 4 or 8 zones with
storage for built-in spot announcements. As the 46-120 only
supports four zones, not all zones on the “higher” models can
be accommodated by a single 46-120; the PM4 and PM4-SA
(4-zone) models are most likely to be useful. See page 16
for more information.
The Cloud PM1 paging microphone is also compatible with
the 46-120. It is a much simpler unit which addresses a single
zone (though zones may be paralleled for wider access). See
page 17 for more information.
46-120 Installation and User Guide V1.110
Block Diagram
The simplied block diagram above illustrates the basic signal architecture of the 46-120.
46-120 Installation and User Guide V1.1 11
Front panel description
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ZONE 1 MUSIC EQ
MIC 2 MIC 2 MIC 2 MIC 2
MIC 1 MIC 1 MIC 1 MIC 1
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4 ZONE 120W INTEGRATED MIXER AMPLIFIER
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1. MUSIC SOURCE – 6-way rotary switch selecting which Line Input (LINE 1* to LINE 6) will be the music source
for each zone. See page 21.
2. MUSIC LEVEL – adjusts the music level in each zone. See page 21.
3. MIC 1 – adjusts the level of the microphone connected to the rear panel MIC 1/TEL input in each zone.
See page 21.
4. MIC 2 – as MIC 1, but controls level of MIC 2 input.
5. MUSIC EQ – two preset controls for adjusting HF/LF EQ in each zone. See page 22.
6. CLIP – per-zone red LEDs; illuminate when the output stage’s Dynamic Clip Limiter is active. This indicates that the
level is too high.
7. Power – rocker switch.
8. Zone idents – a space is provided above each zone’s controls for printed labels identifying the zone by name.
9. Fixing holes for security cover – prevents access to Zone EQ controls.
The following front panel items are only tted to the 46-120
MEDIA and 46-120TMEDIA:
10. USB port – Type ‘A’ USB 2.0 port for connection of memory device containing audio les.
11. MEMORY CARD – card slot, accepts SD or MMC memory cards containing audio les.
12. H – Play/Pause button: starts or pauses playback of current track/le.
13. A – Stop button: stops playback.
14. F – Previous button: moves playback point to start of previous track or le.
15. E – Next button: moves playback point to start of next track or le.
16.
– Mode button: selects Random and Repeat Modes.
17. PLAY – green LED, illuminates in PLAY mode.
18. PAUSE – green LED, illuminates in PAUSE mode.
19. RANDOM – green LED, illuminates when Random mode is selected.
20. REPEAT – green LED, illuminates when Repeat mode is selected.
*On the 46-120MEDIA and 46-120TMEDIA, switch position 1 will select the digital media player if it has been enabled by the rear panel LINE 1/MEDIA button
(see Rear Panel description).
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