Mackie 1604VLZ4 Руководство по эксплуатации онлайн [10/36] 758104

Mackie 1604VLZ4 Руководство по эксплуатации онлайн [10/36] 758104
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1604VLZ4
1604VLZ4
4. Insert
Theseunbalanced1/4"jacksareforconnectingserial
effectsprocessorssuchascompressors,equalizers,
de-essers,orlters.Theinsertpointisafterthegain
[3]control,butbeforethechannel’sEQ[32],lowcut
[33],fader[25]andmute[30]controls.Insertcables
mustbewiredthusly:
Tip=send(outputtoeffectsdevice)
Ring = return(inputfromeffectsdevice)
Sleeve = commonground
Eventhoughchannels1–8alreadyhavedirectout[5]
jacks,insertjackscanalsobeusedaschanneldirect
outputs;post-gain,pre-lowcut,andpre-EQ.Seethe
connectorsectiononpage29showingthreewaystouse
insertcables.
5. Direct Out
Foundonlyonchannels1–8,thesebalanced1/4"
jacksdeliverthesignalfromtheveryendofthechannel
path;post-gain[3],post-EQ[32],post-lowcut[33],
post-fader[25],andpost-mute[30].Theyarethekey
playerin“splitmonitoring,”makingthe1604VLZ4
perfectforan8-trackstudio.
Split Monitoring
Withsplitmonitoring,youusethersteight
channelsforyoursoundsources:vocalmics,
drummics,keyboard/synthoutputs,guitar
effectsoutputs,thatsortofthing.Fromthere,the
channelsmanipulatethesound,butarenotassignedto
theoutputsection.Instead,they’repatchedfromthe
channel’sdirectout[5]jackstothecorresponding
multitrackinput(directout1tomultitrackinput1,2to
2,3to3,etc.).Thesignalswillnowberecordedorpass
directlythroughthemultitrack,dependingoneach
track’srecord-readystatus.
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)
multitrack
machine
sound sources
direct
outputs
group
outputs
1–8 9–16
2. Line Ins
These1/4"jackssharecircuitry(butnotphantom
power)withthemicpreamps,andcanbedrivenby
balancedorunbalancedsourcesatalmostanylevel.
Youcanusetheseinputsforvirtuallyanysignalyou’ll
comeacross,frominstrumentlevelsaslowas–50dBu,
tooperatinglevelsof–10dBVto+4dBu,sincethere
is–15to+45dBofgain(60dBrange)availablefor
lineinputsviathegain[3]knob.Alwaysmakesure
toperformthelevelsettingprocedureonpage5.
Toconnectbalancedlinestotheseinputs,use
a1⁄4"Tip-Ring-Sleeve(TRS)plug,wiredasfollows:
Tip=Positive(+orhot)
Ring=Negative(–orcold)
Sleeve=Shieldorground
Toconnectunbalancedlinestotheseinputs,
usea1⁄4"mono(TS)phoneplug,wiredasfollows:
Tip=Positive(+orhot)
Sleeve=Shieldorground
3. Gain
Yesit’strue,thesecontrolsarenotinthepatchbay
sectionatall.They’refoundalongthetoprowof
knobsinthechannelstripsection.Buttheirpurpose
issocloselylinkedwiththemicandlineinputjacks
thatwecouldn’tbeartoseparatethem.Ifyouhaven’t
already,pleasereadthelevel-settingprocedureon
page5.
Gainadjuststheinputsensitivityofthe
micandlineinputs.Thisallowssignals
fromtheoutsideworldtobeadjustedto
optimalinternaloperatinglevels.
IfthesignaloriginatesthroughtheXLRjack,there
willbe0dBofgainwiththeknobfullydown,ramping
to60dBofgainfullyup.
Throughthe1⁄4"input,thereis20dBofattenuation
fullydownand40dBofgainfullyup,witha“U”(unity
gain)markat10:00.This20dBofattenuationcanbe
veryhandywhenyouareinsertingaveryhotsignal,or
whenyouwanttoaddalotofEQgain,orboth.Without
this“virtualpad,”thisscenariomightleadtochannel
clipping.
3
2
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