Mackie 450 V3 Headphones User Manual


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Owner’s Manual
9
Owner’s Manual
SRM350v3/SRM450v3 Loudspeaker: Rear Panel Features
1. Power Connection
Thisisastandard3-prongIECpowerconnector.
Connectthedetachablepowercord(includedin
thepackagingwiththeloudspeaker)tothepower
receptacle,andplugtheotherendofthepower 
cordintoanACoutlet.
MakesurethattheACpowerismatchedto
theACpowerindicatedontherearpanel
(belowtheIECreceptacle).
Disconnectingtheplug’sgroundpinis
dangerous.Don’tdoit!
2. Power Switch
Pressthetopofthisrockerswitchinwardstoturn
ontheloudspeaker.ThefrontpanelLEDwillglow
withhappiness...oratleastitwilliftheloudspeakeris
pluggedintoasuitableliveACmainssupplyandthe
mainLEDswitch[10]isdisengaged.
Pressthebottomofthisrockerswitchinwardstoturn
offtheloudspeaker.
Asageneralguide,SRMv3loudspeakers
shouldbeturnedonlast,afteranymixer
orothersignalsource.Assuch,theyshould
alsobeturnedoffrst.Thiswillreducethepossibility
ofanyturn-onorturn-offthumpsandothernoises
generatedbyanyupstreamequipmentfromcoming
outofthespeakers.
3. XLR and 1/4" Combo Inputs
Bothchannelsfeature1/4"Wide-Z
™
inputswith
combojacksthatmayacceptbalanced/unbalancedXLR
and1/4"connections.ThegainrangeoftheWide-Z
inputsmayhandleanythingfromaninstrumentormic
leveltoaline-levelsignalsuchasfromamixer.Simply
connectanXLR,TRSorTSconnectorintothechannel
andadjustthegainaccordingly.
Pleasebeawareofthepositionofthegain
knob[4].
NEVERconnecttheoutputofanamplier
directlytotheinputoftheloudspeaker.
Thiscoulddamagetheinputcircuitry
oftheactiveloudspeaker.
XLRconnectorsarewiredasfollows,accordingto
standardsspeciedbytheAES(AudioEngineering
Society):
Balanced XLR Input Connector
Pin1–Shield(ground)
Pin2–Positive(+orhot)
Pin3–Negative(–orcold)
Toconnectbalancedlinestotheseinputs,usea
1/4"Tip-Ring-Sleeve(TRS)plug.“TRS”standsfor
Tip-Ring-Sleeve,thethreeconnectionpoints
availableonastereo1/4"orbalancedphonejack
orplug.TRSjacksandplugsareusedforbalanced
signalsandstereoheadphonesandarewiredasfollows
accordingtostandardsspeciedbytheAES(Audio
EngineeringSociety):
2
3
1
SHIELD
COLD
HOT
SHIELD
COLD
HOT
3
2
1
Balanced XLR Input Connector
ON
OFF
POWER
SIG/OL
SIG/OL
CH 1
MIX
U
MAXOFF
LINE MIC
U
MAXOFF
LINE MIC
PA
DJ
MON
SOLO
1
ON
HOLD TO
CLEAR
2
3
4
LIMIT
ON
LED
OFF
R L
GAIN
GAIN
SPEAKER
MODE
FEEDBACK
DESTROYER
MAIN
1
2
3 6
7
5
4
8 9 10
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