TOA MA-725F User manual

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 pvenir 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IndicatorWhenPRIORITY1isactivatedandassignedtoCH1output,theindicatorlights.
PRIORITY2IndicatorWhen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(+),()openedCH1,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
  • Page 1 1
  • Page 2 2
  • Page 3 3
  • Page 4 4
  • Page 5 5
  • Page 6 6
  • Page 7 7
  • Page 8 8
  • Page 9 9
  • Page 10 10
  • Page 11 11
  • Page 12 12
  • Page 13 13
  • Page 14 14
  • Page 15 15
  • Page 16 16
  • Page 17 17
  • Page 18 18
  • Page 19 19
  • Page 20 20
  • Page 21 21
  • Page 22 22
  • Page 23 23
  • Page 24 24
  • Page 25 25
  • Page 26 26
  • Page 27 27
  • Page 28 28
  • Page 29 29
  • Page 30 30
  • Page 31 31
  • Page 32 32
  • Page 33 33
  • Page 34 34

TOA MA-725F User manual

Type
User manual
This manual is also suitable for

Ask a question and I''ll find the answer in the document

Finding information in a document is now easier with AI

in other languages