Mackie 1642VLZ4 Owner's Manual download pdf (Page 8)

1642VLZ4

Patchbay Description

Attheriskofstatingtheobvious,thisiswhereyou

plugeverythingin:microphones,line-levelinstruments

andeffects,andtheultimatedestinationforyoursound:

PAsystem,DAW,etc.Manyofthefeaturesdescribedin

thissectionareontopofthemixer,butsomeareonthe

rear panel.

SeeAppendixBforfurtherdetailsanddrawingsof

theconnectorsyoucanusewiththe1642VLZ4.Alsosee

thechannelstripdescriptiononpage14fordetailsof

thesignalroutingfromtheXLRandlineinputs.

EZ Interface

Concernedaboutlevels,balancing,impedances,

polarity,orotherinterfacegoblins?Don’tbe.Onthe

1642VLZ4,youcanpatchanythingalmostanywhere,

withnaryacare.Here’swhy:

• Everyinputandoutputisbalanced(except

inserts,phonesandRCAjacks).

• Everyinputandoutputwillalsoaccept

unbalancedlines(exceptXLRjacks).

• Everyinputisdesignedtoacceptvirtuallyany

outputimpedance.

• Themainleftandrightmixoutputscandeliver

28dBuintoaslowasa600ohmload.

• Alltheotheroutputscandeliver22dBuinto

aslowasa600ohmload.

• Alltheoutputsareinphasewiththeinputs.

Allweaskisthatyouperformthelevel-settingpro-

cedureonpage5,everytimeyoupatchinanewsound

source.Sostopworryingandstartmixing!

Mic And Line Input Flexibility

Channels1-8aremonochannelswithmic[1]

andline[2]inputs,featuringourOnyxmicpreamps.

Channels9-10and11-12arestereopairswithleftand

rightlineinputsandasinglemicinputfeedingeach

pair.Channels13-14and15-16arestereopairswith

line inputs only.

1. Mic Ins

ThisisafemaleXLRconnectorthatacceptsa

balancedmicorlinelevelinputfromalmostanytype

ofsource.TheseOnyxmicpreampsfeaturehigher

delityandheadroomrivalinganystandalonemic

preamponthemarkettoday.These circuits are

excellentatrejectinghumandnoise.

TheXLRinputsarewiredasfollows:

Pin 1 = Shield or ground

 Pin2=Positive(+orhot)

 Pin3=Negative(–orcold)

Professionalribbon,dynamic,andcondensermicsall

soundexcellentthroughtheseinputs.Themic/line

inputswillhandleanykindoflevelyoucantossat

them,withoutoverloading.

Noteveryinstrumentismadetoconnectdirectlyto

amixer.GuitarscommonlyneedaDirectInjection(DI)

boxtoconnecttothemixer'smicinputs.Theseboxes

convertunbalancedline-levelsignalsfromyourguitar,

intobalancedmic-leveloutputs,andprovidesignaland

impedancematching.Theyalsoletyousendyourgifted

guitarrenditionsoverlongcablesoraudiosnakes,

withminimuminterferenceorhigh-frequencysignal

loss.Askyourdealerorguitarmakerabouttheir

recommendationsforagoodDIbox.

Phantom Power

Mostmodernprofessionalcondensermicsare

equippedforphantompower,whichletsthemixer

sendlow-currentDCvoltagetothemic’selectronics

throughthesamewiresthatcarryaudio.(Semi-pro

condensermicsoftenhavebatteriestoaccomplishthe

samething.)“Phantom”owesitsnametoanabilityto

be“unseen”bydynamicmics(ShureSM57/SM58,for

instance),whichdon’tneedexternalpowerandaren’t

affectedbyitanyway.

The1642VLZ4’sphantompowerisgloballycontrolled

bythephantom[22]switchontherearpanel.

(Thismeansthephantompowerforallchannels

isturnedonandofftogether.)

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Mackie 1642VLZ4 Owner's Manual Page 8

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