Operation Manual

2727
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

Themountinglocationofthepoweramplifierwillhavealarge
effectbothonitsabilitytodissipatetheheatgeneratedduring
normaloperationthroughtheheatsinkandonthepossibletriggering
ofitsinternaloverheatprotectionshut-offcircuit.



Thereforeselectasuitablelocationthatisconvenientformountingand
accessibleforwiringandofferssufficientventilationforcooling.Asyour
amplifierfeaturesnocontrolsfornormaloperation,itmaybemounted
awayfromthedashboard,i.e.underacarseatorinthetrunk.However,
makesuretheunitisnotexposedtoexcessivedust,directsunlight,
humidity,water,oilorotherfluidsthatmayentertheamplifier.

Theamplifiershouldbemountedtoasolidsurfacethatwillensure
avibration-freemount.Oncethelocationisselected,usetheunit
asatemplateforthemarkingofthemountingholeswhichshouldalso
bepilot-drilledbeforemountingoftheampiscarriedout.

Securetheamplifierusingthefourscrews.Avoidtolettheam-
plifiergetintocontactwithmetalpartsofthevehicle.Thishelps
topreventunwantedgroundloops.


 
Pleasenote:wrongpowerorsignalconnectionsmaydamagetheam-
plifierandothercomponentsconnectedtoit.Therefore,pleaseread
thismanualcarefullybeforetheconnectionofanypower,signaland
speakerleadsisdone.
Thewireroutingiscriticalfornoise-freeperformance.Forbestresults,
pleasefollowthegeneralwiringguidelineslistedbelow(fordetailssee
sectionB,E,FandGofthismanual).

Foraudiosignalconnectionsyoushouldalwaysusedoubleor
tripleshieldedqualityRCAcables.

Signal,speakerandpowercablesshouldalwaysbekeptasshort
aspossible:
™ Speakerandpowercablesmaybecuttofittheactuallength
required.
™ ShieldedRCA/signalcablesshouldneverbecutandrespliced,
astheywillloosetheirprotectiveshieldingeffectatthosepoints
wheretheyhavebeencut.Ifthesignalcableistoolong,makean
S-typeloop(neveracoilloop)inthecentreofthecabletotake-up
theexcesslength.

Neverrouteanylowlevel/signalcablenearorparalleltospeaker
outputs/speakercables,amplifierpowercablesorhighenergy
ignitionwires.

Usepowercablewiththerecommendedcrosssection(see
sectionE).Smallcrosssectionsarereducingtheoutputpower,
arecausingdistortionsandmaybetriggeringtheoverheatprotection
oftheamplifier.
A1350-495 Manual D+E+F.indd 27 07.09.2007 12:23:50 Uhr