Mackie 1604VLZ4 [27/36] Owner s manual
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Mackie 1604VLZ4 [27/36] Owner s manual

Mackie 1604VLZ4 [27/36] Owner s manual
27
Owner’s Manual
Owner’s Manual
Balanced XLR Output Connector
ThemaleXLRconnectorsprovideabalancedline-
levelsignalthatrepresentstheendofthemixer,where
thefullymixedstereosignalenterstherealworld.
Connectthesetotheleftandrightline-levelinputs
ofpoweredspeakersortotheleftandrightline-level
inputsofanamplier(withspeakersalreadyattached).
BesurethecablesarewiredperAES(Audio
EngineeringSociety)standards:
Balanced XLR Output Connector
Pin1–Shield(Ground)
Pin2–Positive(+orhot)
Pin3–Negative(–orcold)
Balanced 1/4" TRS Connector
TRSstandsforTip-Ring-Sleeve,thethreeconnections
availableonastereo1/4"cable.Thisallowsforadirect
connectiontothechannelinputjacks.Besurethe
cablesarewiredperAES(AudioEngineeringSociety)
standards:
Balanced 1/4" TRS Connector
Sleeve–Shield(Ground)
Tip–Positive(+orhot)
Ring–Negative(–orcold)
TRSjacksandplugsareusedinseveraldifferent
applications:
• Balancedmonocircuits.Whenwiredasa
balancedconnector,a1⁄4"TRSjackorplug
isconnectedtiptosignalhigh(hot),ringto
signallow(cold),andsleevetoground(earth).
• StereoHeadphones,andrarely,stereo
microphonesandstereolineconnections.
Whenwiredforstereo,a1⁄4"TRSjackorplug
isconnectedtiptoleft,ringtorightandsleeve
toground(earth).VLZ4mixersdonotdirectly
2
1
SHIELD
COLD
HOT
3
SHIELD
COLD
HOT
3
2
1
Balanced XLR Output Connector
SLEEVE
TIP
SLEEVE
TIP
RING
RING
TIP
SLEEVERING
Balanced 1/4" TRS Connector
accept1-plug-typestereomicrophones.They
mustbeseparatedintoaleftcordandaright
cord,whicharepluggedintothetwomic
preamps.
Youcancookupyourownadapterforastereo
microphone.“Y”twocablesoutofafemale1⁄4"
TRSjacktotwomaleXLRplugs,oneforthe
rightsignalandonefortheleft.
• Unbalancedsend/returncircuits.Whenwired
asasend/return“Y”connector,a1⁄4"TRSjack
orplugisconnectedtiptosignalsend(output
frommixer),ringtosignalreturn(inputback
intomixer),andsleevetoground(earth).
Unbalanced 1/4" TS Connector
TSstandsforTip-Sleeve,thetwoconnections
availableonamono1⁄4"cable.Thisallowsforadirect
conectiontothechannelinputjacks.Besurethecables
arewiredperAES(AudioEngineeringSociety)
standards:
Unbalanced 1/4" TS Connector
Sleeve–Shield(Ground)
Tip–Positive(+orhot)
TSjacksandplugsareusedinmanydifferent
applications,alwaysunbalanced.Thetipisconnected
totheaudiosignalandthesleevetoground(earth).
Someexamples:
• Unbalancedmicrophones
• Electricguitarsandelectronicinstruments
• Unbalancedline-levelconnections
Switched 1/4" Phone Jacks
Switchescanbeincorporatedinto1⁄4"phonejacks,
whichareactivatedbyinsertingtheplug.These
switchesmayopenaninsertloopinacircuit,change
theinputroutingofthesignalorserveotherfunctions.
The1604VLZ4usesswitchesinthechannelinsertand
businsertjacks,inputjacksandstereoreturns.Italso
usestheseswitchestogroundtheline-levelinputswhen
nothingispluggedintothem.
Inmostcases,theplugmustbeinsertedfullyto
activatetheswitch.The1604VLZ4takesadvantageof
thisinsomecircuits,specifyingcircumstanceswhere
youaretoinserttheplugonlypartially.See“Special
Connections”,onthenextpage.
SLEEVE
TIP
TIP
SLEEVE
TIP
SLEEVE
Unbalanced 1/4" TS Connector

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