Cloud MA40T User manual

MA40F/MA40T Installation and User Guide v1.

Instaationandsrid
MA40F & MA40T
Mini Ampliers

MA40F/MA40T Installation and User Guide v1.

WARNING:
o reduce the ris of re or electric shoc do not epose this appliance to rain or
moisture.
WARNING: SHOCK HAZARD – DO NOT OPEN
AVIS: RISQUE DE CHOC ELECTRIQUE – NE PAS
OUVRIR
he lightning ash with the arrowhead symol
within an equilateral triangle is intended
to alert you to the presence of uninsulated
dangerous oltages within the products
enclosure that may e of sufcient magnitude
to constitute a ris of electric shoc.
he eclamation point within an equilateral
triangle is intended to alert the user to
the presence of important operating and
maintenance sericing instructions in the
literature accompanying the appliance.

MA40F/MA40T Installation and User Guide v1.

IPORTANTSAETINSTRCTIONS
1. Read these nstructions.
2. eep these nstructions.
3. eed all arnings.
4. ollow all nstructions.
5. Do not use this apparatus near water.
6. lean only with a dry cloth.
7. Do not loc any entilation openings. nstall in accordance with the
manufacturers instructions.
8. Do not install near any heat sources such as radiators heat registers stoes or
other apparatus including ampliers that produce heat.
9. Do not defeat the safety purpose of the polaried or grounding  type plug. 
polaried plug has two lades with one wider than the other.  grounding type
plug has two lades and a third grounding prong. he wide lade or the third
prong are proided for your safety. hen the proided plug does not t into
your outlet consult an electrician for replacement of the osolete outlet.
10. rotect the power cord from eing waled on or pinched particularly at plugs
conenience receptacles and the point where they eit from the apparatus.
11. nly use attachmentsaccessories specied y the manufacturer.
12. se only with the cart stand tripod racet or tale specied y
the manufacturer or sold with the apparatus when a cart is used
use caution when moing the cartapparatus comination to aoid
inury from tipoer.
13. nplug this apparatus during lightning storms or when unused for long periods
of time.
14. Refer all sericing to qualied serice personnel. ericing is required when the
apparatus has een damaged in any way such as powersupply cord or plug is
damaged liquid has een spilled or oects hae fallen into the apparatus the
apparatus has een eposed to rain or moisture does not operate normally or
has een dropped.

MA40F/MA40T Installation and User Guide v1.

Do not epose the apparatus to dripping or splashing and ensure that
no oects lled with water such as ases are placed on the apparatus.
Lappareil ne doit pas tre epos au coulements ou au claoussures et aucun
oet ne contenant de liquide tel quun ase ne doit tre plac sur loet.
he mains plug is used as the disconnect deice and it should remain
readily accessile during intended use. n order to isolate the apparatus
from the mains the mains plug should e completely remoed from the
mains outlet socet.
La prise du secteur ne doit pas tre ostrue ou doit tre facilement accessile
pendant son utilisation. our tre compltement dconnect de lalimentation
dentre la prise doit tre dranche du secteur.
erminals mared with the symol may use lass  iring ut
oltages at these terminals may e of sufcient magnitude to
constitute a ris of electric shoc. he eternal wiring connected to
these terminals requires installation y an instructed person or the use
of premade leads or cords.

MA40F/MA40T Installation and User Guide v1.

Contnts
IPORTANTSAETINSTRCTIONS
SAETINORATION
afety otes regarding nstallation........................................................................ 7
onformities .............................................................................................................. 7
Ro and EEE declaration .............................................................................. 8
afety onsiderations and nformation................................................................ 9
ains use ............................................................................................................. 9
ericing .................................................................................................................. 9
OERIEW
ntroduction.............................................................................................................. 10
pplicale odels................................................................................................... 10
 main features .............................................................................. 11
hats in the o ................................................................................................... 12
OCDIARA
RONTPANEDESCRIPTION
REARPANEDESCRIPTION
INSTAATION
echanical ................................................................................................................ 17
entilation ................................................................................................................. 18
onnections and adustments.............................................................................. 19
Line inputs............................................................................................................. 19
ensitiity  ain ontrol.............................................................................. 20
usic Leel and E control........................................................................... 20
Line  riority.................................................................................................... 20
ic inputs.............................................................................................................. 21
alanced input ................................................................................................... 21
 line input ............................................................................................ 22
ic gain adustment.......................................................................................... 23
icrophone leel control................................................................................ 23
aging control and mic priority ..................................................................... 23
utput ................................................................................................................... 25
Lo output  only............................................................................. 25
onnecting to   line systems  only.......................... 25
acility ort........................................................................................................... 26

MA40F/MA40T Installation and User Guide v1.
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onnecting an L or  ......................................................................... 28
onnecting an RL or RL eries remote control plate ........................... 30
sing the acility ort as an auiliary input................................................ 31
ontrol of music source and leel ia eternal D................................. 31
usic ute nput................................................................................................. 33
uto ower Down.............................................................................................. 34
Loudspeaer E cards....................................................................................... 34
nstallation nstructions ................................................................................... 35
APPENDI
 layout diagram................................................................................................. 36
ale of internal umpers and default settings .............................................. 37
ummary of rear panel D switch functions ................................................... 38
E considerations ............................................................................................... 40
Earthing...................................................................................................................... 40
echnical specications .......................................................................................... 41

MA40F/MA40T Installation and User Guide v1.

SAETINORATION
afety otes regarding nstallation
•Do not epose the unit to water or moisture.
•Do not epose the unit to naed ames.
•Do not loc or restrict any air ent.
•Do not operate the unit in amient temperatures aoe °C.
•Do not touch any part or terminal carrying the haardous lie symol while
power is supplied to the unit.
•Do not perform any internal adustments unless you are qualied to do so and
fully understand the haards associated with mainsoperated equipment.
•he unit has no usersericeale parts. Refer sericing to qualied serice
personnel.
•f the moulded plug is cut off the  power lead for any reason the discarded
plug is a potential haard and should e disposed of in a responsile manner.
onformities
his product conforms to the following European E tandards:
BS EN 55103-1:2009
BS EN 55103-2:2009
his product has een tested for use in commercial and light industrial enironments.
f the unit is used in controlled E enironments the uran outdoors heay
industrial enironments or close to railways transmitters oerhead power lines
etc. the performance of the unit may e degraded.
he product conforms to the following European electrical safety standards:
BS EN 60065:2002 (+A2:2010)
UL60065
his product is compliant with the releant proisions of:
EnrStarEiiiitCritriarorAdioidorodcts.

MA40F/MA40T Installation and User Guide v1.

RoSandWEEEdcaration
loud Electronics Limited manages its usiness and collaorates with its suppliers
to comply with the European nion restriction of the use of certain haardous
sustances in electrical and electronic equipment Ro Directie E
that came into force on st uly  and similar restrictions in other urisdictions.
he crossed out wheelie in symol on the product and represented
aoe is there to remind users of the oligation of selectie collection
of waste. his lael is applied to arious products to indicate that the
product is not to e thrown away as unsorted municipal waste. t the
end of life dispose of this product y returning it to the point of sale or
to your local municipal collection point for recycling of electric and electronic
deices.
ustomer participation is important to minimie the potential effects on the
enironment and human health that can result from haardous sustances that may
e contained in this product.
lease dispose of this product and its pacaging in accordance with local and national
disposal regulations including those goerning the recoery and recycling of waste
electrical and electronic equipment. ontact your local waste administration waste
collection company or dealer.

MA40F/MA40T Installation and User Guide v1.

afety onsiderations and nformation
he  and  are powered y an eternal D supply.  separate ower
upply nit  is supplied with the amplier. he  must e earthed. Ensure
that the mains power supply proides an effectie earth connection using a three
wire termination.
ainss
he  is a sealed unit and contains no userreplaceale fuses. ains oercurrent
protection is proided y the fuse in the  mains plug which should e rated at
5 A.
Sricin
he unit contains no user sericeale parts. Refer sericing to qualied serice
personnel. Do not perform sericing unless you are qualied to do so. Disconnect
the power cale from the unit efore remoing the top panel and do not mae
any internal adustments with the unit switched on. nly reassemle the unit using
either the original oltsscrews or ones identical to the original parts

MA40F/MA40T Installation and User Guide v1.

OERIEW
ntroduction
he  and  are ery compact mono ampliers designed for integration
into audio and  systems where decentralised installation is adantageous. hey
are intended as installandforget components and are small enough to e tted
into wall or ceiling oids or in any conenient location adacent to proectors at
screen displays or loudspeaers.  simple set of controls and conguration options
maes them easy to integrate into any audio system. hey are highly suitale for use
with instore digital signage gallery and museum ehiits and ed or moile tour
guide systems.
he  can delier   mono into a  ohm load while the physically larger
 includes an output transformer enaling it to drie     or  
line loudspeaer systems. n all other respects the two models are identical. here
are two unalanced inputs for line leel signals typically music sources and a
alanced mic input for pagingannouncement use. n alternatie mic input allows
the amplier to e fed with pagingannouncements from a   line loudspeaer
system. ront panel presettype controls are proided for music leel microphone
leels and music E. here are also arious preset adustments and conguration
D switches on the rear panel and umpers mounted internally on the main .
 remote input module or remote leel control can e wired to the ampliers
acility ort which can also e used as an additional line input.
pplicale odels
his nstallation uide descries the installation and operation of the following
models:
•loud    mono amplier for  ohm loudspeaers
•loud    mono amplier for   line loudspeaer
systems
he two models differ in physical sie the  eing larger in order to
accommodate the internal line output transformer. part from the inclusion of this
transformer the two models are essentially identical for the practical purposes of
installation and operation. nless specically stated otherwise the information in
this uide may e taen to apply to either model.

MA40F/MA40T Installation and User Guide v1.

NOTE mplier models  and E are  coered y this uide and
when installing either of these models reference should only e made to the uides
specic to them.
 main features
•wo unalanced stereo line inputs with indiidual sensitiity trims
•Electronicallyalanced mic input with separate gain control
•  phantom power selectale y internal umper
•ront panel control of music leel and mic leels
•  L E adustments for music sources
• input congurale for direct connection to   line system: allows
 to receie announcements from main uilding  system
• input can e used with paging mics
•aging congurale as automatic oiceoermusic  mode or contact
closure ia access port
•electale LE oerLE  priority
•acility port for connection of L remote micline input module ia
screened at  cale also allows remote control of music leel
•  power amplier
•wo ersions aailale:  with lowimpedance output  with
internal transformer for driing   line systems
•usic ute control input  or  for interfacing to an emergency
system
•electale   highpass lter for use with   line systems
•ptional E cards aailale to suit arious popular installation loudspeaers
•utomatic powerdown function userselectale
•Less than   power consumption in sleep mode
•onection cooled – silent in operation.
• meets  DoE Leel  energy requirements
•ower requirements:
•:  to   D  
•:   D  
•niersal  adaptor included oth models operates from  to   

MA40F/MA40T Installation and User Guide v1.

ailale ptions:
•RL eries remote control plates for music olume
•RL eries remote control plates for Line Line  selection and music olume
•L remote micline input module with music olume control
• luetooth wireless audio input module
•E cards to match arious popular installedsound loudspeaers
hats in the o
lease chec the shipping carton for damage efore opening. f there is damage
please contact your loud agent and the shippers.
he pacing carton should contain the following items:
• or  amplier
•Eternal   mains adaptor
•E mains lead  cord with moulded plug appropriate to the territory
•et of mating plugin screwterminal connectors
•et of four selfadhesie polyurethane feet
•his manual

MA40F/MA40T Installation and User Guide v1.

OCDIARA

MA40F/MA40T Installation and User Guide v1.

RONTPANEDESCRIPTION
      
      
EE controls:
1. MIC – sets olume of signal at the PAGE/MIC input
2. INE – sets olume of signal at the INE input
3. INE – sets olume of signal at the INE input
E controls:
4.  – L E adustment of music channel:  d   
5. HF –  E adustment of music channel:  d   
6. POWER- red LED flashing: illuminates under fault condition. Requires
power cycling to reset
POWER – icolour LED: illuminates green when the amplifier is actie and
red when the amplifier is in utomatic ower Down mode
7. MUTE – red LED: illuminates when the  E function is actie
8. PEAK – red LED: illuminates if the amplifiers dynamic clip protection ecomes
actie
INDICATORS:

MA40F/MA40T Installation and User Guide v1.

REARPANEDESCRIPTION
   

 
   

 

1. INEandINE– stereo line inputs for music sources unalanced
2. AIN– two preset leel trim controls  d for each line input
3. IC – alanced mic input
4. INE – alternatie higholtage input for connection to   line
speaer systems
5. PA – eternal paging access contacts input for ic input
6. AIN – preset gain control for mic input range  to  d
7. ACIIT PORT – R socet for connection of remote inputcontrol
modules such as the L and  it is also possile to connect an RL or
RL remote control plate to this port
8. SPEAER OTPT  only – speaer output for lowimpedance
circuits
9. SPEAEROTPT  only – for connection to   line
loudspeaer system

MA40F/MA40T Installation and User Guide v1.

10. SIC TE – connect to eternal  or  contacts for remote
muting of music sources
11. SETTINS – epole D switch for setting arious amplier congurations:
SWITC NCTION
1 mode – congures  input for paging use
2Enales micoermusic priority
3elects paging priority mode –  or    contact closure
4Enales LE oerLE  priority
5Enales remote control functions of acility ort and disales front
panel INE leel controls
ee also ummary of rear panel D switch functions on page  in the
ppendi section for full details.
12. POWERINPT– connect eternal D power here: the  requires 
to   at .  the  requires   at . .

MA40F/MA40T Installation and User Guide v1.

INSTAATION
echanical
he compact sie and light weight of the  and  comined with their
high energy efciency allows them to e installed in almost any location. hey can
e easily placed in ceiling or wall oids or tted to the rear of display screens or
loudspeaer cainets.
oth models of amplier hae mounting anges with eyhole slots to permit them
to e secured on a horiontal or ertical at surface.
144.3 mm
5.7” 25.4 mm
1”
73.5 mm
2.9”
200 mm
7.9”
10 mm
0.4”
10 mm
0.4”
MA40F

MA40F/MA40T Installation and User Guide v1.

144.3 mm
5.7”
25.4 mm
1”
73.5 mm
2.9”
283 mm
11.14”
10 mm
0.4”
10 mm
0.4”
f using the  in a freestanding situation the selfadhesie feet
supplied with each amplier should e tted. he amplier should always e stood
on a at surface. are should e eercised in selecting a location for a freestanding
unit which should allow entilation ut e clear of any liquid or similar haard.
entilation
he ampliers use natural conection cooling and care should e taen to locate
them where airow is unrestricted e.g. not under ceiling insulation material.
onsideration should also e gien to ease of access should the operational
conguration or audio leels need adustment after installation.
n freestanding installations always t the polyurethane feet supplied and do not
stand any other items on top of the unit.
MA40T

MA40F/MA40T Installation and User Guide v1.

onnections and adustments
inints
he unit has two stereo line inputs  each of which is mied internally to mono
these inputs are suitale for most music sources such as DDD players satellite
receiers and computer line outputs.
oth inputs are unalanced and use pin . mmpitch screw terminal connectors.
he connectors should e wired as follows:
0V L R
LINE 1
LEFT CHANNEL
RIGHT CHANNEL
LINE 2
LEFT CHANNEL
RIGHT CHANNEL
AUDIO
SOURCE 1
AUDIO
SOURCE 2
nless a loud remote control plate or module such as the RL or L is in
use the two line inputs are summed together internally though Line input  can e
congured to hae priority oer Line input  see Line  riority on page .

MA40F/MA40T Installation and User Guide v1.

SnsitiitainContro
Each of the stereo line inputs has an input impedance of  ohms and a preset type
gain control on the rear panel adacent to the input socets . he gain controls
hae a range of  d allowing the input sensitiity to e aried from  du to
 du  du  . rms. he gain controls should e set so that the input
sources in use do not distort and the front panel leel controls  and  hae a
useful range.
sicandEcontro
he front panel INE and INE controls  and  should e adusted during
installation to set the olume of the audio sources. he line inputs are summed
post the leel controls equalisation can e applied using the front panel  and 
controls  and  which can apply a cut or oost of up to  d at   and
  respectiely. dust the E controls to suit the audio programme material
eing used the speaer characteristics and the room acoustics. f the programme
material includes speech the E should e adusted for est intelligiility.
f the line input leels are set too high the ampliers dynamic protection will actiate
to preent clipping and the front panel PEA LED  will illuminate to indicate this.
ote that this LED also indicates an ecessie mic signal leel.
inPriorit
hen oth line inputs are in use one audio source can e gien automatic priority
oer the other y connecting it to Line  input and setting rear panel SETTINS
D switch  INEPRI to . his is a useful facility when a Digital ound
tore emergency announcement system or similar source forms part of the audio
system.
hen Line  riority is enaled the amplier will route the input signal at Line 
normally until a signal is detected at Line s input. hen this happens it switches
its music source automatically to Line . nce the signal at Line  stops e.g. when
an announcement nishes Line s source will smoothly restore to its former leel
oer appro.  seconds.