TOA MA-725F User manual

MA-725F
TOA
Brand
TOA
Model
MA-725F
Type
User manual

This manual is also suitable for

OPERATING INSTRUCTIONS
MATRIX AMPLIFIER
MA-725F
MATRIX PRE-AMPLIFIER
MM-700F
ThankyouforpurchasingTOA'sMatrixAmplifier.
Pleasecarefullyfollowtheinstructionsinthismanualtoensurelong,troublefreeuseofyourequipment.
TOA Corporation
2
TABLE OF CONTENTS
1. IMPORTANT SAFETY INSTRUCTIONS 3
2. SAFETY PRECAUTIONS 4
3. GENERAL DESCRIPTION 7
4. FEATURES 7
5. HANDLING PRECAUTIONS 8
6. INSTALLATION PRECAUTIONSS 8
7. NOMENCLATURE AND FUNCTIONS 9
[Front] 9
[Rear] 10
8. CONNECTION EXAMPLES 14
9. CONNECTION 16
9.1.
Removable Terminal Plug Connection 16
9.2.
How to Connect Input Signals 17
9.3.
Speaker Output Signal Connections 17
9.4.
MOH Output Connections 18
9.5.
LINE Output Connections 18
9.6.
Remote Control Equipment Connections 19
10. MUTING FUNCTIONS 20
10.1.
Manual Mute 20
10.2.
Auto Mute 21
10.3.
Priority Mix 22
11. OPERATION 22
11.1
Input Selections 22
11.2
EQ Preset Selection 23
11.3
Using the WP-700 Remote Controller 27
12. RACK MOUNTING BRACKET ATTACHMENT 28
13. PROTECTION 28
14. BLOCK DIAGRAMS 29
15. DIMENSIONAL DIAGRAM 31
16. SPECIFICATIONS 32
3
1. IMPORTANT SAFETY INSTRUCTIONS
• Readtheseinstructions.
• Keeptheseinstructions.
• Heedallwarnings.
• Followallinstructions.
• Donotusethisapparatusnearwater.
• Cleanonlywithdrycloth.
• Donotblockanyventilationopenings.Installinaccordancewiththemanufacturer'sinstructions.
• Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus
(includingamplifiers)thatproduceheat.
• 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.Iftheprovidedplugdoesnotfitintoyouroutlet,
consultanelectricianforreplacementoftheobsoleteoutlet.
• Protect the power cord from being walked on or pinched particularly at plugs,
conveniencereceptacles,andthepointwheretheyexitfromtheapparatus.
• Onlyuseattachments/accessoriesspecifiedbythemanufacturer.
• Useonlywiththecart,stand,tripod,bracket,ortablespecified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.
• Unplugthisapparatusduringlightningstormsorwhenunusedforlongperiodsoftime.
• Refer allservicing to qualified service personnel. Servicing is required when the apparatus has been
damagedinanyway,suchaspowersupplycordorplugisdamaged,liquidhasbeenspilledorobjects
havefallenintotheapparatus,theapparatushasbeenexposedtorainormoisture,doesnotoperate
normally,orhasbeendropped.
INSTRUCTIONS ESSENTIELLES POUR LA SÉCURITÉ
• Lirecesinstructions.
• Conservercesinstructionspourréférenceultérieure.
• Respectertouslesavertissements.
• Suivretouteslesinstructions.
• Nepasutilisercetappareilàproximitéd'eau.
• Nettoyeruniquementàl'aided'unchiffonsec.
• Nepasobstruerlesorificesdeventilation.Installerconformémentauxinstructionsdufabricant.
• Nepasinstalleràproximitédesourcesdechaleurtellesquedesradiateurs,desregistresthermiques,
deschaudièresoud'autresappareils(notammentdesamplificateurs)produisantdelachaleur.
• Nepascontournerlafonctiondesécuritédelafichepolariséeoudemiseàlaterre.Unefichepolarisée
est équipée de deux broches, dont l'une est plus large que l'autre. Une fiche de mise à la terre est
équipée dedeuxbroches etd'une troisième pourlamise àla terre.Cette dernière,la plus large,est
prévueàdesfinsdesécurité.Silafichefournienepeutêtreinséréedanslapriseélectriquesouhaitée,
consulterunélectricienpourfaireremplacercettedernière.
• Protéger lecordond'alimentation pouréviterqu'il ne soitpiétiné oupincé, notamment au niveau des
fiches,desprisesdecourantoudesonpointdesortiedel'appareil.
• Utiliseruniquementlesaccessoiresspécifiésparlefabricant.
• Utiliseruniquementaveclechariot,support,trépied,lapattedemontageoulatable
spécifiés par le fabricant ou vendus avec l'appareil. En cas d'utilisation d'un
chariot,manipulerlacombinaisonchariot/appareilpouréviterlesblessuresduesàun
renversement.
• Débranchercetappareilpendantlesoragesainsiquelorsqu'ilresteinutilisépendant
unepériodeprolongée.
• Lamaintenancedel'appareildoitêtreconfiéeàuntechnicienaprèsventequalifié.
Unemaintenances'avèrenécessairesil'appareilestendommagé(auniveauducordond'alimentation
oudelafiche),aétémouilléparunliquide,unobjetesttombéàl'intérieur,s'ilaétéexposéàlapluieou
l'humidité,s'ilnefonctionnepasnormalementous'ilesttombé.
4
2. SAFETY PRECAUTIONS
• Beforeinstallationoruse,besuretocarefullyreadalltheinstructionsinthissectionforcorrectandsafe
operation.
• Besuretofollowalltheprecautionaryinstructionsinthissection,whichcontainimportantwarnings
and/orcautionsregardingsafety.
• Afterreading,keepthismanualhandyforfuturereference.
Safety Symbol and Message Conventions
Safetysymbolsandmessagesdescribedbelowareusedinthismanualtopreventbodilyinjuryandproperty
damagewhichcouldresultfrommishandling.Beforeoperatingyourproduct,readthismanualfirstand
understandthesafetysymbolsandmessagessoyouarethoroughlyawareofthepotentialsafetyhazards.
When Installing the Unit
•
Do not expose the unit to rain or an environment
whereitmaybesplashedbywaterorotherliquids,as
doingsomayresultinfireorelectricshock.
•
Use the unit only with the voltage specified on the
unit. Using a voltage higher than that which is
specifiedmayresultinfireorelectricshock.
•
Do not cut, kink, otherwise damage nor modify the
powersupplycord.Inaddition,avoidusingthepower
cord in close proximity to heaters, and never place
heavyobjectsincludingtheunititself–onthepower
cord,asdoingsomayresultinfireorelectricshock.
•
Externalwiringconnectedtotheterminalsmarked
with…requiresinstallationbyaninstructedperson.
•
Theapparatusshallbeconnectedtoamainssocket
outletwithaprotectiveearthingconnection.
When the Unit is in Use
•
Shouldthefollowingirregularitybefoundduringuse,
immediatelyswitchoffthepower,disconnectthe
powersupplyplugfromtheACoutletandcontact
yournearestTOAdealer.Makenofurtherattemptto
operatetheunitinthisconditionasthismaycause
fireorelectricshock.
5
•
Ifyoudetectsmokeorastrangesmellcomingfrom
theunit.
•
Ifwateroranymetallicobjectgetsintotheunit.
•
Iftheunitfalls,ortheunitcasebreaks.
•
Ifthepowersupplycordisdamaged(exposureofthe
core,disconnection,etc.)
•
Ifitismalfunctioning(notonesounds.)
•
Topreventafireorelectricshock,neveropennor
removetheunitcaseastherearehighvoltage
componentsinsidetheunit.Referallservicingsuch
asmodificationinsidetheunittoqualifiedservice
personnel.
•
Donotplacecups,bowls,orothercontainersofliquid
ormetallicobjectsontopoftheunit.Ifthey
accidentallyspillintotheunit,thismaycauseafireor
electricshock.
•
Donotinsertnordropmetallicobjectsorflammable
materialsintheventilationslotsoftheunit'scover,as
thismayresultinfireorelectricshock.
•
Donottouchaplugduringthunderandlightning,as
thismayresultinelectricshock.
When Installing the Unit
•
Neverpluginnorremovethepowersupplyplugwith
wethands,asdoingsomaycauseelectricshock.
•
Whenunpluggingthepowersupplycord,besureto
graspthepowersupply plug;never pullonthe cord
itself.Operatingtheunitwithadamagedpowersupply
cordmaycauseafireorelectricshock.
•
When moving the unit,besure to remove its power
supplycordfromthewalloutlet.Movingtheunitwith
the power cord connected to the outlet may cause
damagetothepowercord,resultinginfireorelectric
shock. When removing the power cord, be sure to
holditsplugtopull.
•
Avoidinstallingtheunitinhumidordustylocations,in
locations exposed to the direct sunlight, near the
heaters, or in locations generating sooty smoke or
steamasdoingotherwisemayresultinfireorelectric
shock.
•
To avoid electric shocks, be sure to switch off the
unit'spowerwhenconnectingspeakers.
•
Theunitisdesignedexclusivelytobemountedinan
equipment rack. Be sure to follow the instructions
belowwhenrackmountingtheunit.Failuretodoso
maycauseafireorpersonalinjury.
•
Installtheequipmentrackonastable,hardfloor.Fixit
with anchor bolts or take other arrangements to
preventitfromfallingdown.
•
Besuretousethescrewswithadiameterofover5
mm(0.2")andlengthofover12mm(0.47")tomount
theunit.
•
When connecting the unit's power cord to an AC
outlet, use the AC outlet with current capacity
allowabletotheunit.
When the Unit is in Use
•
Makesuretosetalloutputlevelcontrolsto0position
beforepowerisswitchedon.
•
Loudnoiseproducedwhenpowerisswitchedonwith
anyofthosecontrolssettothepositionotherthan0
positioncanimpairhearing.
•
Donotoperatetheunitforanextendedperiodoftime
with the sound distorting. Doing so may cause the
connectedspeakerstoheat,resultinginafire.
•
ContactyourTOAdealerastothecleaning.Ifdustis
allowedtoaccumulateintheunitoveralongperiodof
time,afireordamagetotheunitmayresult.
•
Ifdustaccumulatesonthepowersupplyplugorinthe
wallACoutlet,afiremayresult.Cleanitperiodically.
Inaddition,insertthepluginthewalloutletsecurely.
•
Turnoffthisunit'spowerswitch,andunplugthepower
supply plug from the AC outlet for safety purposes
whencleaningorleavingtheunitunusedfor10days
ormore.Doingotherwisemaycauseafireorelectric
shock.
The lighting flash with arrowhead symbol,
within an equilateral triangle, is intended to
alert the user to the presence of uninsulated
"dangerous voltage" within the product's
enclosurethatmaybeofsufficientmagnitude
toconstituteariskofelectricshocktopersons.
CONSEILS DE SÉCURITÉ
• Avantl'installationoul'utilisation,lireattentivementl'ensembledesinstructionsdecettesectionpourun
fonctionnementcorrectetsûr.
• Veilleràrespecterlesprécautionsrecommandéesdanscettesection,laquellecontientdesmisesen
garde
• et/ouprécautionsimportantesenmatièredesécurité.
• Aprèslecture,conservercemanuelàportéedemainpourconsultationultérieur
e.
6
Symboles de sécurité et conventions
Lessymbolesetmessagesdesécuritédécritscidessoussontutilisésdanscettenoticepourprévenirtout
dommagecorporeloumatérielpouvantrésulterd'unemauvaiseutilisation.Lireattentivementcettenotice
pour comprendre parfaitement les symboles et messages de sécurité afin de prévenir tout risque éventuel.
Lors de l'installation de l'appareil
•
Nepasexposerl'appareilàlapluieetleprotégerde
tout contact avec de l'eau ou d'autres liquids afin
d'éviterunincendieouuneelectrocution.
•
Utilisez l'appareil uniquement avec la tension
spécifiée sur le chargeur. L'utilisation d'une tension
supérieureàcellespécifiéepeutêtreàl'origined'un
incendieoud'uneelectrocution.
•
Nepascouper,entortiller,modifierouendommagerle
cordon d'alimentation. En outre, éviter d'utiliser le
cordond'alimentationàproximitéd'unradiateuretne
jamais placer d'objets lourds (y compris l'appareil
luimême) sur le cordon d'alimentation, car ceci
présenteunrisquéd'incendieoud'électrocution.
•
Lescâblesexternesbranchésauxbornesmarquées
de .… doivent être installé par un technicien
spécialementformé.
•
L'appareildoitêtrebranchéàuneprised'alimentation
avecmiseàlaterredeprotection.
Pendant l'utilisation de l'appareil
•
En cas de survenue des irrégularités suivantes
pendant l'utilisation, couper immédiatement
l'alimentation, débrancher la fiche du cordon
d'alimentation de l'adaptateur secteur de la prise
secteur et contacter le représentant TOA le plus
proche.Nepasessayerpasd'utiliserl'appareildans
cesconditionssouspeinedeprovoquerunincendie
ouuneélectrocution.
•
Détectiondefuméeoud'uneodeurinhabituelle
émanantdel'appareil.
•
Pénétrationd'eauoud'unobjetmétalliquedans
l'appareil.
•
Chuteouendommagementdel'appareil
•
Dégradationducordond'alimentation(âmeducâble
dénudée,déconnexionetc.).
•
Dysfonctionnement(absencedetonalité).
•
Pourempêcherunincendieouuneélectrocution,ne
jamaisouvrirnineretirerleboîtierdel'appareil,en
raisondelapréswencedepiècesàhautetension.
Touteslesopérationsdemaintenance,notamment
lesmodificationsapportéesàl'intérieurdela
machine,doiventêtreréaliséesparuntechnicien
qualifié.
•
Nepasplacerdetasses,bolsouautresrecipients
remplisdeliquidesoud'objetsmétalliquesaudessus
del'appareil.S'ilsserépandentparaccidentsur
l'appareil,ilspeuventprovoquerunincendieouune
électrocution.
•
Nepasinsérernilaissertomberd'objetsmétalliques
oudematériauxinflammablesdansleséventsde
ventilationducapotdel'appareilsouspeinede
provoquerunincendieouuneélectrocution.
•
Nepastoucherlaficheducordond'alimentation
pendantunorageRisqued'électrocut.
Lors de l'installation de l'appareil
•
Nejamaisbrancher,nidébrancherlaficheducordon
d'alimentationaveclesmainsmouillées.Risque
d'électrocution.
•
Pourdébrancherlecordond'alimentation,veilleràle
parsafiche;nejamaistirerdirectementlecordon.
Utiliserl'appareilavecuncordond'alimentation
endommagépeutprésenterunrisqued'incendieou
d'électrocution.
•
Lorsdudéplacementdel'appareil,veilleràretirerla
7
ficheducordond'alimentationdel'adaptateursecteur
delaprisemurale.Silechargeurestdéplacéavecle
cordond'alimentationbranchédanslaprise,ce
dernierrisqued'êtreendommagé,cequiprésenteun
risqued'incendieoud'électrocution.Pourretirerle
cordond'alimentation,letirerparlaprise.
•
Éviterd'installerl'appareildansunendroithumideou
poussiéreux,enpleinsoleil,àproximitéd'un
radiateur,oudansunendroitdégageantdelafumée
noireoudelavapeursouspeinedeprovoquerun
incendieouuneélectrocution.
•
Pouréviterleschocsélectriques,veilleràdébrancher
l'appareilavantdeconnecterleshautparleurs.
•
Cetappareildoituniquementêtremontédansunbâti.
Veilleràsuivrelesinstructionscidessouslorsdu
montageenbâti.
Risqued'incendieoudeblessurecorporelle.
•
Installerlebâtisurunsolstable.
Lefixeràl'aidedeboulonsd'ancrageoud'unautre
dispositifpourl'empêcherdetomber.
•
Lorsdumontagedel'appareil,veilleràutilizerunevis
deplusde5mm(0,2")dediamètreetdeplusde
12mm(0,47")delongueur.
•
Pourbrancherlecordond'alimentationàuneprise
CA,vérifierl'intensitémaximaledel'appareil.
Pendant l'utilisation de l'appareil
•
Mettretouteslescommandesduniveausortieen
position0avantquel'alimentationnesoitrestituée.Si
l'appareilestmissoustensionalorsqueces
commandesnesontpasenposition0,unbruitfortau
pointdedégraderl'auditionrisqued'êtreémis.
•
Nepasutiliserl'appareilpendantunepériode
prolongéesilesonestdistordu.Leshautparleurs
branchésrisquentdesurchaufferetdeprovoquerun
incendie.
•
Pournettoyerl'appareil,contactervotrerevendeur
TOA.L'accumulationdepoussièrependantune
périodeprolongéepeutentraînerunincendieouune
dégradationdel'appareil.
•
L'accumulationdepoussièresurlaficheducordon
d'alimentationoudanslaprisesecteurprésenteun
risqued'incendie.Lesnettoyerrégulièrement.Par
ailleurs,insérercomplètementlafichedanslaprise
murale.
•
Parmesuredesécurité,lorsdunettoyageoulorsque
l'appareil n'estpas utilisépendant 10jours ou plus,
couper l'alimentation, et débrancher la fiche du
cordon d'alimentation de l'adaptateur secteur de la
prisesecteurRisqued'incendieoud'électrocution.
L'éclairaccompagnéd'unsymbole
représentantunepointedeflècheàl'intérieur
d'untriangleéquilatéralavertitl'utilisateurdela
présenced'une"tensiondangereuse"à
l'intérieurdel'enceintedutéléviseur,dontla
magnitudepeutêtresuffisantepourconstituer
unrisquedechocélectriquepourles
personnes
3. GENERAL DESCRIPTION
TOA's MA725F matrix amplifier and MM700F is allinone solution for multichannel or multizone
applicationscombined6x4audiomatrix,DSPand4chClassDamplifier(*)intoonechassis.Itisequipped
with 4 independent line inputs, 2 MIC/LINE priority inputs. Each output has independent DSP preset
adjustment alsocomes with inputsource matrix selection. Itfeatures ahigh powerhandling(250Wx4 @
70V/100V)(*)andvariousinputscapabilities.Itswiderangeofapplicationsincludegeneraloremergency
announcementandbackgroundmusicplayingatrestaurants,pubs,retailstores,schools,officesandetc.
(*)MA725Fonly
4. FEATURES
• 4stereosumminglineinputswithmatrixroutingto4amplifieroutputs.
• Eachlineinputhasinputleveladjustmentandassignrestrictionsettingforeachoutputtopreventwrong
routingselection.
• 2priorityMIC/LINEinputswithdifferentprioritylevelforpagingorotherprerecordedsourcecanoverride
theselectedlineinputonassignedoutputchannels.
• Eachpriorityinputalsohasinputlevel,mutesensitivityandmuteholdtimeadjustments.
• Eachoutputchannelisequippedwith250WClassDamplifierat70V/100Voutputvoltageselectablewith
independentDSPpresetselectionand50HzHPFfortheprotectionofconnectedspeakers.(*)
• SelectableDSPpresetselectionsincludegeneralEQs,likeLoudnesscurves,TOAspeakerEQsand
crossoversettingstobeusedwithsubwoofers.
• Eachoutputchannelalsohasauxiliarylineoutputtodelivertheaudiotoothersystem.
• Thismatrixdoesn’tneedanyGUIornetworkconnectionforsetupatsite.(Maintenancepurposeonly)
• Optionalwallmountremotecontrol,WP700canbeconnectedviaCAT5straightLANcabletocontrol
lineinputselectionsandoutputvolumeofeachoutput.
8
• ClassDamplifierhasalotofprotectionfeaturesagainstovercurrent,hightemperatureandshortcircuit
ofspeakerlinesateachoutputchannelindividually.(*)
• PowersupplywithPowerFactorCorrectionforreducedpowerconsumptionandworldwideoperating
range.(*)
(*)MA725Fonly
5. HANDLING PRECAUTIONS
• Keeptheinputcableawayfromtheoutputcable.Ifinstalledclosetoeachother,oscillationcouldoccur.
• Toavoidunitfailures,neverconnectoutputsof2ormorechannelsinparallel.
• Onlyconnectspeakerswithanimpedanceequaltoorgreaterthanthosespecified.Connectingspeakers
withasmallerimpedancethanspecifiedcouldcausedamagetotheunit.
• Installtheunitinlocationswherethetemperatureisbetween–10°Cand+40°C(14°Fand104°F)andthe
moistureislessthan90%RH(nodewcondensationmustbeformed).
• Toclean,besuretofirstturnoffthisunit'spowerswitch,thenwipewithadrycloth.Whentheunitgets
verydirty,useaclothdampedinaneutralcleanser.Neverusebenzene,thinner,alcohol,or
chemicallytreatedcleaningclothbecausesuchvolatileliquidscoulddeformordiscolortheunit.
6. INSTALLATION PRECAUTIONS
• Whenmountingtheunitinanequipmentrack,theinsideoftherackmustbesufficientlyventilated.
Toachievesufficientventilation,removeallpanelsontherearoftherack.
• Whenmountingtheunitintherack,alsomountaPerforatedPanellargerthan1Uinsize
(1)atthetopandthebottomoftherack,and
(2)aboveandbelowevery5units.
*1Usize=44.5mmor1.75"(referencesize)
7. NOMENCLATURE AND FUNCTIONS
[Front]
9
1 POWER SIWITCH [ON /OFF]
Pressthisswitchtoturnontheamplifier,presstheswitchagaintoturnofftheamplifier.
2. POWER INDICATOR [POWER] (Blue)
Duringthepoweronprocesstheindicatorflashes,afteramplifierisready,theindicatorlights.
3. CH1 OUTPUT LEVEL CONTROL
AdjustCH1outputlevel
Note:ThefunctionalityofCH2,CH3,CH4isthesameasCH1.
4. CH1 SIGNAL, PEAK, PROTECT INDICATOR (Green, Red, Red)
SIGNALIndicator:Whenoutputlevelexceeds36dBV,theSIGNALindicatorlights.
PEAKIndicator:Lightsredwhenanoutputsignalclips(distortionoccurs).
Note:
When the Peak indicator lights, turn the output level control (3) counterclockwise until its light
extinguishesordecreasetheinputsignalleveloftheconnectedexternaldevice.Operatingthe
unitwhilethePeakindicatorremainslightsmaycausetheprotectioncircuitrytobeactivated.
PROTECTIndicator(*): Lightsorblinkswhentheprotectioncircuitryisactivated.(Seep.27;Protection
Operation List.) When the power is switched on, this indicator lights for about 2 seconds and then
extinguishes.
Note: ThefunctionalityofCH2,CH3,CH4isthesameasCH1.
5. LINE 1, LINE 2, LINE 3, LINE 4 INPUT SIGNAL INDICATOR (Green)
WhenLINE1,LINE2,LINE3,LINE4inputsignalisexceed47dBV,theindicatorlights.
6. PRIORITY INPUT SIGNAL INDICATOR [PRIORITY 1, PRIORITY 2] (Green, Green)
PRIORITY INPUT SIGNAL1 Indicator: When the priority input 1 signal (14) exceed 36dBV
(line)/86dBV(mic)theindicatorlights.
10
PRIORITY INPUT SIGNAL2 Indicator: When the priority input 2 signal (14) exceed 36dBV
(line)/86dBV(mic),theindicatorlights.
7. CH1 PRIORITY INDICATOR [PRIORITY1, PRIORITY2] (Green, Green)
PRIORITY1Indicator：WhenPRIORITY1isactivatedandassignedtoCH1output,theindicatorlights.
PRIORITY2Indicator：WhenPRIORITY2isactivatedandassignedtoCH1output,theindicatorrights.
Note: 1. WhenPRIORITYMIX1+2switchisturnedonandactivated,thesetwoindicatorlightatthesametime.
2.ThefunctionalityofCH2,CH3,CH4isthesameasCH1.
8. CH1 PRIORITY INDICATOR [REMOTE] (Yellow)
WhenremotecontrolpanelWP700isconnectedtoCH1ofREMOTETERMINALS,theindicatorlights.
Atthistime,bothoutputlevelandinputsourceselectioncouldbechangedbyconnectedWP700.
Note: 1. WhenWP700isconnected,CH1OUTPUTLEVELCONTROL(3)andCH1INPUTSELECTSWITCH(5)
onthefrontpanelaredefeatedandcontrolledbyWP700.
2. WhenWP700isdisconnected,theoutputlevelgoesbacktothesettingofCH1OUTPUTLEVEL
CONTROL(3)
3. ThefunctionalityofCH2,CH3,CH4isthesameasCH1.
9. CH1 INPUT SELECT SWITCH 1 - 4
SelectfromLINE14inputsastheinputsourceforamplifierCH1output.Selectagainontheprevious
selectedinputturnsofftheselectionofinputsource.
Note: ThefunctionalityofCH2,CH3,CH4isthesameasCH1.
10. CH1 INPUT SELECT INDICATOR [1, 2, 3, 4] (Green)
TheledwilllightwithrespecttotheinputselectbytheINPUTSELECTSWITCH(5)otherchannelwhich
isnotselectedwillturnoff.
Note: ThefunctionalityofCH2,CH3,CH4isthesameasCH1.
(*) MA-725F only
[Rear]
11
11. AC inlet
Connectthesuppliedpowercordtothisinlet.Thesocketoutletshouldbeinstalledneartheequipment
andtheplug(disconnecteddevice)shallbeeasilyaccessible.
12. Functional ground terminal [SIGNAL GND]
Hum noise may be generated when external equipment is connected to the unit. Connecting this
terminaltothefunctionalgroundterminaloftheexternalequipmentmayreducethehumnoise.
13. LINE 1, LINE 2, LINE 3, LINE 4 INPUT TERMINAL
10kΩ，–10dB*，unbalancedRCAJack(UpperandlowerofRCAinputsignalismixed)
Connectmusicsourceequipment:e.g:CDplayers.
14. LINE 1, LINE 2, LINE 3, LINE 4 INPUT LEVEL CONTROL
Adjusttheinputlevel(sensitivity)ofLINE1,LINE2,LINE3,LINE4.
15. ASSIGNMENT RESTRICTION DIP SWITCHES (LINE 1, LINE 2, LINE 3, LINE 4)
AssignrestrictionLINE1,LINE2,LINE3,LINE4toCH1,CH2,CH3,CH4outputs.
LINE1ASSIGNMENTRESTRICTIONS:
SwitchNo.
ON OFF
1 LINE1can’tbeassignedtoCH1 LINE1canbeassignedtoCH1
2 LINE1can’tbeassignedtoCH2 LINE1canbeassignedtoCH2
3 LINE1can’tbeassignedtoCH3 LINE1canbeassignedtoCH3
4 LINE1can’tbeassignedtoCH4 LINE1canbeassignedtoCH4
Note:1)
ThefunctionalityforLINE2,LINE3,LINE4isthesameasLINE1.
2) When the assignment restriction is set, both INPUT SELECT SWITCH (10) or connected
WP700,arenotallowedtoselecttherestrictedchannel.
16. MIC/LINE input terminal (PRIORITY 1, PRIORITY 2)
MIC:2.2K,–60dB*/LINE:2.2K,–10dB*,electronicallybalancedinputsof3pinremovableterminal
blocktype.
Connectmicrophoneorlinelevelmusicsourceequipment.MIC/LINEgaincouldbefromthePRIORITY
FUNCTIONALDIPSWITCH(20)#6.
17. MIC/LINE input level control (PRIORITY 1, PRIORITY 2)
Adjusttheinputlevel(sensitivity)oftheMIC/LINE
18. Manual mute terminal
Openvoltage:DC3.3V,Shortcurrent:<5mA
1) When(+),()shorted:TheselectedLINE1,LINE2,LINE3,LINE4inputsignaltoCH1,CH2,CH3,
CH4outputwillbemuted,andswitchtothepagechannel(1st~4thswitchof(20))thathavebeen
assignedbyPRIORITY1,PRIORITY2inputs.
2) When(+),()opened：CH1,CH2,CH3,CH4outputwillgraduallyrecoveredfromtheprevious
assignedLINE1,LINE2,LINE3,LINE4signal.TherecoverytimeiscontrolledbytheHOLDTIME
control(19).
12
19. MUTE SENSE control (PRIORITY 1, PRIORITY 2)
Adjustthethreshold(sensitivity)ofthemutefunctionofthePRIORITY1,PRIORITY2inputs.Inother
words,ifPRIORITY1,PRIORITY2inputsignalexceedthethresholdthatsetbyMUTESENSE,itwill
mutetheLINE1,LINE2,LINE3,LINE4signaltoCH1,CH2,CH3,CH4outputs.Rotateclockwisewill
raisethesensitivity,counterclockwisewilllowerthesensitivity.
20. HOLD TIME control (PRIORITY 1, PRIORITY 2)
AdjusttherecoverytimeoftheLINE1,LINE2,LINE3,LINE4toCH1,CH2,CH3,CH4outputs.Rotate
clockwise will increase the recovery time (maximum 10sec), counterclockwise will decrease the
recoverytime(minimum50ms)
21. PRIORITY FUNCTIONAL DIP SWITCH (PRIORITY 1, PRIORITY 2)
ControlthefunctionalityofthePRIORITY1andPRIORITY2
SwitchNo.
ON OFF
1 PRIORITY1/2canbeswitchedtoCH1output PRIORITY1/2cannotbeswitchedtoCH1output
2 PRIORITY1/2canbeswitchedtoCH2output PRIORITY1/2cannotbeswitchedtoCH2output
3 PRIORITY1/2canbeswitchedtoCH3output PRIORITY1/2cannotbeswitchedtoCH3output
4 PRIORITY1/2canbeswitchedtoCH4output PRIORITY1/2cannotbeswitchedtoCH4output
5 ThemutefunctioniscontrolledbythePRIORITY
1/2inputsignalormanualmute(16)
The mute function is only controlled by the
manualmute(16)
6 PRIORITY1/2inputgainswitchtoMIClevel PRIORITY1/2inputgainswitchtoLINElevel
22. PRIORITY MIX1+2 switch
ControltheinputmodeofthePRIORITY1/2
ON OFF
PRIORITY1andPRIORITY2willbemixedandoutput
to CH1, CH2, CH3, CH4 when mute activated. The
PRIORITY FUNCTIONAL DIP SWITCH (20), MUTE
SENSE control (18), HOLD TIME control (19) will be
followedbyPRIORITY1’ssetting
The PRIORITY 1 has the higher priority level than
PRIORITY 2. When There is mute function activated.
UnitwilloutputPRIORITY1’sinputfirst.
23. EQ BANKS and PRESETS SELECTION
The2bitDIPswitchselectthebankofrespecttothe16EQpresets.Total4banks.
The4bitrotaryswitchselects16EQpresetsfromeachbanks.
Note:ThefunctionalityofCH2,CH3,CH4isthesameasCH1.
Pleaseseepage23,"11.2EQpresetselections"formoredetails.
24. HPF SWITCH (*)
ControltheactivationofHPF(HighPassfilter)onoutputs.
ON OFF
TheCH1,CH2,CH3,CH4willhas50Hz,12dB/oct.high
passfilteronoutput.Thisisusefultoprotectthespeaker
when thetransformer of thedistributespeakercouldn’t
handlelowfrequency.
The output frequency response is flat from 20Hz to
20kHz.
25. REMOTE TERMINALS (CH1, CH2, CH3, CH4 remote controls)
RJ45connector,useforconnectingtheremotemoduleWP700.
AfterconnectingWP700couldprovidethefollowingfunctionality:
1) SwitchtheinputsourceLINE1,LINE2,LINE3,LINE4toCH1,CH2,CH3,CH4outputs.
2) Adjustthevolumeofconnectedchannel.
Note:WhentheWP700isconnected,theOUTPUTLEVELCONTROL(3)onfrontpanelandINPUT
SELECTSWITCH(10)won’tbefunctional.ItmeansthistwofunctionwillfollowWP700setting.Also,
theREMOTEINDICATOR(8)willlight.
13
26. REMOTE LINK SWITCH (CH1-2, CH3-4)
CH12:
ON OFF
CH1,CH2couldcontroltheCH1andCH2’svolumeand
input selection by one WP700 at the same time. The
REMOTEINDICATORonCH1andCH2willlightatthe
sametime.
Note: Only connect to CH1’s REMOTE TERMINAL to
presentremotelinkfunction
CH1,CH2’svolumeiscontrolledseparatedbytwo
WP700.
CH34:
ON OFF
CH3,CH4couldcontroltheCH1andCH2’svolumeand
input selection by one WP700 at the same time. The
REMOTEINDICATORon CH3and CH4willlight at the
sametime.
Note: Only connect to CH3’s REMOTE TERMINAL to
presentremotelinkfunction
CH3,CH4’svolumeiscontrolledseparatedbytwo
WP700.
27. 70V/100V OUTPUT MODE SWITCH (*)
Adjusttheamplifieroutputmode
70V 100V
Maximumoutputwillbesetto70Vrms
(maximumloadimpedance=20ohm)
Maximumoutputwillbesetto100Vrms
(maximumloadimpedance=40ohm)
28. POWER REMOTE TERMINAL
Openvoltage:3.3V,Shortedcurrent:<1mA
WhenACmainsisconnectedto(11)andPOWERSWITCH(1)isinONposition,shortedwillturnoffthe
poweramplifierandalloftheindicationforpowersaving.Openwillinnormaloperation.
29. LAN PORT
RJ4510/100MEthernetconnection.
Maintenancepurposeonlyforfactory.
30. LINE OUTPUT TERMINAL (CH1, CH2, CH3, CH4) (*)
600Ω,0dB*,RCAconnector.
Auxiliarylineleveloutput(justbeforetheamplifierinput).
31. MOH OUTPUT TERMINAL
600Ω,0dB*,transformerisolatedbalancedoutput,removableterminalblocktype.
LINE4inputisassignedtothisoutput.
Note:
1.TheMOHoutputlevelisnotaffectedbytheinputlevelcontroloftheLINE4.
2.MOHoutputdoesn’thaveMUTEfunctionality.
3.MOHoutputdoesn’thaveEQfunctionality.
32. MOH OUTPUT INPUT LEVEL CONTROL
AdjusttheinputleveloftheMOHOUTPUT.
33. SPEAKER OUTPUT TERMINAL (CH1, CH2, CH3, CH4)
MA725F:
70V/100Voutput (selectby the70V/100V OUTPUTMODESWITCH (26)),removableterminal block
type.Connecttospeaker.
MM700F:
600Ω,0dB*,removableterminalblocktype.Lineleveloutput.
*0dB=1Vrms
(*) MA-725F only
14
8. CONNECTION EXAMPLES
MA-725F
15
MM-700F
16
9. CONNECTION
9.1. Removable Terminal Plug Connection
Cautions
• Besuretouseshieldedcablesforaudiosignallines.
• Avoidsolderingcableconductor,ascontactresistancemayincreasewhenthecableistightenedand
thesolderiscrushed,possiblyresultinginanexcessiveriseinjointtemperatures.
• UsecablesofAWG12–24.
Cable end treatment
Connector connections
Step 1. Loosentheterminalscrew,theninsertthecable.
Step 2. Retightentheterminalscrew.(Pullonthecabletoensureitissecurelyconnected.)
Tip
Recommendedslottedscrewdrivertype:Screwdriverwithbladethatis3mm(0.12")inwidth.
17
9.2. How to Connect Input Signals
9.2.1. LINE 1, LINE 2, LINE 3, LINE 4 connections
LandRlinesignalsaremixedinsidetheunit.
9.2.2. PRIORITY 1 and PRIORITY 2 connections
UsethesuppliedSmalltyperemovableterminalplug(5pins)forconnection.PRIORITY1
andPRIORITY2canbesettoMICorLINEinput.
9.3. Speaker Output Connections
Theunitcanoperatedat70Vor100VlinehighimpdedancespeakersClass2wiringmaybeused.
Usingsuppliedremovableterminalplug(2pins),connectthespeakerlinetoeachspeakerterminals.
18
9.3.1. High-impdedance 70V line speaker connections (*)
9.3.2. High-impdedance 100V line speaker connections (*)
9.4. MOH Output Connections
Usethesuppliedremovableterminalplug(3pins)forconnection.
9.5. LINE output connections
Auxiliarylineleveloutputforzoneexpansion.
19
9.6. Remote Control Equipment Connections
9.6.1. Manual muting terminal connections
If a novoltage contact is connected, closing the contact allows the predetermined input
channelvolumetobereducedbyapresetlevelofattenuation.
Ifa microphonewitha contactis connectedasshownin Connection (p.12), theaudioof
otherchannelswillbemutedforaslongasthemicrophone’stalkswitchispressed.
9.6.2. Power remote terminal connections
Ifanovoltagecontactisconnected,closingthecontactallowstheamplifiergoesintopower
savingmode.Alloftheindicationwillbeturnoff.
20
9.6.3. Remote terminals (RJ-45) connections
Eachchannel’svolumeandinputselectioncouldberemotelyadjustedbyWP700remote
module.
(*)MA725Fonly
10. MUTING FUNCTIONS
Theunit’spriority/mute(paging)functionsis tomutetheLINE1,LINE2,LINE3,LINE4signalthat
routedtoCH1,CH2,CH3,CH4’soutputsandthenroutePRIORITY1orPRIORITY2signalstooutputs.
Theprioritylevelofeachinputsisasfollowing:
Prioritylevel PRIORITY MIX1+2:OFF PRIORITY MIX1+2:ON
HIGHER
LOWER
PRIORITY1
PRIORITY1/PRIORITY2
PRIORITY2
LINE1,LINE2,LINE3,LINE4 LINE1,LINE2,LINE3,LINE4
10.1 Manual Mute
Step 1. Assign the PAGE CH:
AssignpagingchannelfromthePRIORITYFUNCTIONALDIPSWITCH.
Switch
No.
ON:DOWN OFF:UP
1 PRIORITY1/2canbeswitchedtoCH1output PRIORITY1/2cannotbeswitchedtoCH1output
2 PRIORITY1/2canbeswitchedtoCH2output PRIORITY1/2cannotbeswitchedtoCH2output
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TOA MA-725F User manual

MA-725F
TOA
Brand
TOA
Model
MA-725F
Type
User manual
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