![Mackie 1402VLZ4 [9/28] Owner s manual](/img/pdf.png)
Mackie 1402VLZ4 [9/28] Owner s manual
![Mackie 1402VLZ4 [9/28] Owner s manual](/views2/1989820/page9/bg9.png)
9
Owner’s Manual
Owner’s Manual
5. Stereo Line Ins
(Channels 7–8, 9–10, 11–12 and 13-14)
Thesefullybalancedinputsaredesignedforstereo
ormono,balancedorunbalancedsignals,from–10dBV
to+4dBu.Theycanbeusedwithjustaboutany
professionalorsemi-proinstrument,effectorCDplayer.
Inthestereoaudioworld,anodd-numbered
channelusuallyreceivesthe“leftsignal.”Forexample,
youwouldfeedthe1402VLZ4’slineinputs7-8astereo
signalbyinsertingthedevice’sleftoutputpluginto
thechannel7jack,anditsrightoutputplugintothe
channel8jack.
Whenconnectingamonodevice(justonecord),
alwaysusetheleft(mono)input(jacks7,9,11or13)
andplugnothingintotherightinput(jacks8,10,12or
14)—thiswaythesignalwillappearonbothsides.This
trickiscalled“jacknormalling.”
6. +4/–10 Level (Stereo Channels Only)
Thisswitchadjuststheinputsensitivityoftheline
inputsonchannels7to14.Ifthesoundsourceisa"–10"
device,engagethisswitch.Ifyouareunsure,leavethe
switchup,andperformthelevelsettingprocedure,
substitutingthisswitchforthegainknobtondthe
bestpositionforit.
Effects: Serial Or Parallel?
Thenexttwosectionstosstheterms“serial”and
“parallel”aroundlikehackysacks.Here’swhatwemean
bythem:
“Serial”meansthattheentiresignalisroutedthrough
theeffectsdevice.Examples:compressor/limiters,
graphicequalizers.Line-levelsourcescanbepatched
throughaserialeffectsdevicebeforeorafterthemixer,
orpreferablythroughtheinsertjackslocatedonthe
rearpanel(channelinsert[17]send/return).
“Parallel”meansthataportionofthesignalinthe
mixeristappedofftothedevice(auxsend),processed
andreturnedtothemixer(stereoreturn)tobemixed
withtheoriginal“dry”signal.Thisway,multiple
channelscanallmakeuseofthesameeffectsdevice.
Examples:reverb,digitaldelay.
Dry Signal
Processed
Signal
Insert
Send
Insert
Return
Dry Signal(s)
Dry Signal(s)
Aux
Send
Aux
Return
Wet Signal
Channel Path
Mix
Stage
Output
Section
Processed
Signal
Signal Processor
(e.g., Compressor)
Signal Processor
(e.g., Reverb)
Dry Signal
Processed
Signal
Insert
Send
Insert
Return
Dry Signal(s)
Dry Signal(s)
Aux
Send
Aux
Return
Wet Signal
Channel Path
Mix
Stage
Output
Section
Processed
Signal
Signal Processor
(e.g., Compressor)
Signal Processor
(e.g., Reverb)
Dry Signal
Processed
Signal
Insert
Send
Insert
Return
Dry Signal(s)
Dry Signal(s)
Aux
Send
Aux
Return
Wet Signal
Channel Path
Mix
Stage
Output
Section
Processed
Signal
Signal Processor
(e.g., Compressor)
Signal Processor
(e.g., Reverb)
3. Low Cut (Channels 1–6)
Eachlowcutswitch,oftenreferredtoasahighpass
lter(alldependsonhowyoulookatit),cutsbass
frequenciesbelow75Hzatarateof18dBperoctave.
Werecommendthatyouuselow-cutonevery
microphoneapplicationexceptkickdrum,bassguitar,
orbassysynthpatches.Theseaside,thereisn’tmuch
downtherethatyouwanttohear,andlteringitout
makesthelowstuffyoudowantmuchmorecrispand
tasty.Notonlythat,butlow-cutcanhelpreducethe
possibilityoffeedbackinlivesituations,andithelps
toconserveamplierpower.
Anotherwaytoconsiderlow-cut’sfunction
isthatitactuallyaddsexibilityduringlive
performances.Withtheadditionoflow-cut,
youcansafelyuselowequalizationonvocals.
Manytimes,bassshelvingEQcanreallybenet
voices.Troubleis,addinglowEQalsoboostsstage
rumble,michandlingclunksandbreathpops.
Applyinglow-cutremovesallthoseproblems,so
youcanaddlowEQwithoutblowingyoursubwoofers.
Here’swhatthecombinationoflowEQandlow-cut
lookslikeintermsoffrequencycurves:
4. Gain (Channels 1–6)
Ifyouhaven’talready,pleasereadthelevel-setting
procedureonpage5.
Gainadjuststheinputsensitivityof
themicandlineinputsconnected
tochannels1through6.Thisallows
signalsfromtheoutsideworldtobe
adjustedtooptimalinternaloperating
levels.
IfthesignaloriginatesthroughtheXLRjack,there
willbe0dBofgainwiththeknobfullydown,rampingto
60dBofgainfullyup.
Throughthe1⁄4"input,thereis20dBofattenuation
fullydownand40dBofgainfullyup,witha“U”(unity
gain)markat10:00.This20dBofattenuationcanbe
veryhandywhenyouareinsertingaveryhotsignal,or
whenyouwanttoaddalotofEQgain,orboth.Without
this“virtualpad,”thisscenariomightleadtochannel
clipping.
Low Cut with Low EQ
20
Hz
100
Hz
1k
Hz
10k
Hz
20k
Hz
–15
–10
–5
0
+5
+10
+15
20
Hz
100
Hz
1k
Hz
10k
Hz
20k
Hz
–15
–10
–5
0
+5
+10
+15
Low Cut
Содержание
- Caution 1
- Channel compact mixer 1
- Ow n e r s m a n ua l 1
- Vac 120vac 240vac 1
- Important safety instructions 2
- Contents 3
- Like us follow us watch our dang videos 3
- Owner s manual 3
- Please write your serial number here for future reference i e insurance claims tech support return authorization make dad proud etc purchased at date of purchase 3
- Email us at techmail loudtechinc com 4
- Features 4
- How to use this manual 4
- Introduction 4
- Need help with your mixer 4
- Telephone 1 800 898 3211 to speak with one of our splendid technical support chaps monday through friday normal business hours pacific time 4
- Visit www 20trees com and click support to find faqs manuals and other useful information 4
- Connections 5
- Getting started 5
- Owner s manual 5
- Set the levels 5
- Things to remember 5
- Zero the controls 5
- Hookup diagrams 6
- Live stereo pa system 7
- Owner s manual 7
- Patchbay description 8
- 4 10 level stereo channels only 9
- Effects serial or parallel 9
- Gain channels 1 6 9
- Low cut channels 1 6 9
- Owner s manual 9
- Stereo line ins channels 7 8 9 10 11 12 and 13 14 9
- 9 10 11 10
- 15 16 17 11
- Owner s manual 11
- Channel strip description 13
- Owner s manual 13
- Aux 2 send 31 aux 1 send 15
- Moderation during eq 15
- Owner s manual 15
- Output section 16
- Assign to main mix 17
- Meters many displays in one 17
- Owner s manual 17
- Rude solo light 17
- Solo mode afl pfl 17
- A word about aux 18
- Jack normalling 19
- Owner s manual 19
- Return to aux 1 19
- Appendix a service information 20
- Appendix b connections 20
- Bad channel 20
- Bad output 20
- Balanced xlr input connector 20
- Repair 20
- Troubleshooting 20
- Warranty service 20
- Balanced 1 4 trs connector 21
- Balanced xlr output connector 21
- Owner s manual 21
- Switched 1 4 phone jacks 21
- Unbalanced 1 4 ts connector 21
- Special connections 22
- Trs send receive insert jacks 22
- Unbalanced rca connector 22
- Unbalancing a line 22
- Using the send only on an insert jack 22
- Mults and y s 23
- Owner s manual 23
- Vlz4 stereo inputs and returns mono stereo whatever 23
- Appendix c technical information 24
- Specifications 24
- Block diagram 25
- Owner s manual 25
- Track sheet 26
- Owner s manual 27
- Please keep your sales receipt in a safe place 27
- Vlz4 limited warranty 27
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