Mackie 1402VLZ4 [11/28] Owner s manual
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Mackie 1402VLZ4 [11/28] Owner s manual

Mackie 1402VLZ4 [11/28] Owner s manual
11
Owner’s Manual
Owner’s Manual
Thesebalancedoutputsarecapableofdelivering22
dBuintoa600ohmbalancedorunbalancedload.
16. Alt 3–4 Outs
These1⁄4"outputsarethesumofanychannelsthat
havethemute/alt3-4[25]switchpressedin(seepage
13forthetenderdetails).
Thesebalancedoutputsarecapableofdelivering
22dBuintoabalancedorunbalancedload.
17. Channel Insert (Channels 1–6)
Theserear-paneljacksarewhereyouconnectserial
effectssuchascompressors,equalizers,de-essers,
orlters.Sincemostpeopledon’thavemorethana
fewofthesegadgets,we’veincludedinsertsforjust
therstsixchannels.Ifyouwanttousethiskindofpro-
cessingonchannels7through14,simplypatchthrough
theprocessorbeforeyouplugintothe1402VLZ4.
Thechannelinsertpointsareafterthegain[4]
andlowcut[3]controls,butbeforethechannel’s
EQ[27]andfader[23].Thesend(tip)islow-imped-
ance(120ohms),capableofdrivinganyline-level
device.Thereturn(ring)ishigh-impedance(over2.5k
ohms)andcanbedrivenbyalmostanydevice.
SeeAppendixBfordetailsanddrawingsaboutinsert
cables,andadiagramshowingthreewaystousethe
jacks.
Besidesbeingusedforinsertingexternaldevices,
thesejackscanalsobeusedaschanneldirectoutputs;
post-gain,post-lowcut,andpreEQ.Infact,ourOnyx
micpreampshavebecomesofamous,thatpeoplebuy
thesemixersjusttohavesixoftheseintheirarsenal.
tip
This plug connects to one of the
mixer’s Channel Insert jacks.
ring
tip
ring
sleeve
SEND to processor
RETURN from processor
(TRS plug)
12. Headphones Out
Thisstereojackwilldriveanystandardheadphone
toveryloudlevels.Tolearnhowsignalsarerouted
totheseoutputs,seesourcematrix[33]onpage16.
Ifyou’rewiringyourowncableforthephonesoutput,
followstandardconventions:
Tip=Leftchannel
Ring = Right channel
Sleeve=Commonground
WARNING:Whenwesaytheheadphone
ampisloud,we’renotkidding.Itcancause
permanenteardamage.Evenintermediate
levelsmaybepainfullyloudwithsomeearphones.
BE CAREFUL! Alwaysturnthectlroom/submixfader
allthewaydownbeforeconnectingheadphones.Keep
itdownuntilyou’veputthephoneson.Thenturnitup
slowly.Why?“Engineerswhofrytheirearsndthem-
selveswithshortcareers.”
13. XLR Main Outs
Usethesetosendthemainmixoutintotheline-level
balancedinputsofyouramplierorpoweredspeakers.
Theselow-impedanceoutputsarefullybalanced
andcapableofdriving+4dBulineswithupto28dB
ofheadroom.Thisoutputis6dBhotterthanother
outputs.
14. XLR Main Out Level Switch
Engagingthisswitchreducesthelevelofthe
balancedXLRmainoutputsby40dB,soyoucan
feedthemicrophoneinputof,say,anothermixer.
(YoucansafelyconnecttheXLRoutputsintoan
inputthatprovides48Vphantompower.)
15. Control Room Outs
These1⁄4"outputsareprovidedsoyoucanlisten
tosomethingotherthanthemainmix.Thesource
isselectedusingthesourcematrix[33]switches
(seepage16).Youcanchoosetolistentothemainmix,
thealt3-4stereobus(seemute/alt3-4onpage13),
soloedchannels,orthetapeinput.Thevolumeis
adjustablewiththecontrolroom/submix[34]knob.
CAUTION: TO REDUCE THE RISK OF FIRE
REPLACE WITH CORRECT TYPE FUSE. REMOVE
POWER CORD BEFORE CHANGING VOLTAGE.
100VAC 120VAC 240VAC
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