![Mackie 1642VLZ4 [9/32] Owner s manual](/img/pdf.png)
Mackie 1642VLZ4 [9/32] Owner s manual
![Mackie 1642VLZ4 [9/32] Owner s manual](/views2/1989818/page9/bg9.png)
9
Owner’s Manual
Owner’s Manual
1. Mic Ins
ThisisafemaleXLRconnectorthatacceptsa
balancedmicorlinelevelinputfromalmostanytype
ofsource.TheseOnyxmicpreampsfeaturehigher
delityandheadroomrivalinganystandalonemic
preamponthemarkettoday.These circuits are
excellentatrejectinghumandnoise.
TheXLRinputsarewiredasfollows:
Pin 1 = Shield or ground
Pin2=Positive(+orhot)
Pin3=Negative(–orcold)
Professionalribbon,dynamic,andcondensermicsall
soundexcellentthroughtheseinputs.Themic/line
inputswillhandleanykindoflevelyoucantossat
them,withoutoverloading.
Noteveryinstrumentismadetoconnectdirectlyto
amixer.GuitarscommonlyneedaDirectInjection(DI)
boxtoconnecttothemixer'smicinputs.Theseboxes
convertunbalancedline-levelsignalsfromyourguitar,
intobalancedmic-leveloutputs,andprovidesignaland
impedancematching.Theyalsoletyousendyourgifted
guitarrenditionsoverlongcablesoraudiosnakes,
withminimuminterferenceorhigh-frequencysignal
loss.Askyourdealerorguitarmakerabouttheir
recommendationsforagoodDIbox.
Phantom Power
Mostmodernprofessionalcondensermicsare
equippedforphantompower,whichletsthemixer
sendlow-currentDCvoltagetothemic’selectronics
throughthesamewiresthatcarryaudio.(Semi-pro
condensermicsoftenhavebatteriestoaccomplishthe
samething.)“Phantom”owesitsnametoanabilityto
be“unseen”bydynamicmics(ShureSM57/SM58,for
instance),whichdon’tneedexternalpowerandaren’t
affectedbyitanyway.
The1642VLZ4’sphantompowerisgloballycontrolled
bythephantom[22]switchontherearpanel.
(Thismeansthephantompowerforallchannels
isturnedonandofftogether.)
TheGAINcontrolsforstereochannels9-10and11-12
areonlyusedtoadjusttheMicinputs.Thelineinputs
are set to unity gain.
TheGAINcontrolsforchannels13-14and15-16only
adjusttheline-levelinputs,astheyhavenoMicinputs.
4. Insert
Foundonlyonchannels1–8,theseunbalanced1/4"
jacksareforconnectingserialeffectsprocessorssuch
ascompressors,equalizers,
de-essers,orlters.Theinsertpointisafterthegain
[3]control,butbeforethechannel’sEQ[32],lowcut
[34],fader[25]andmute[30]controls.Insertcables
mustbewiredthusly:
Tip=send(outputtoeffectsdevice)
Ring = return(inputfromeffectsdevice)
Sleeve = commonground
Eventhoughchannels1–8alreadyhavedirectout[5]
jacks,insertjackscanalsobeusedaschanneldirect
outputs;post-gain,pre-lowcut,andpre-EQ.Seethe
connector section on page 27 showing three ways to use
insert cables.
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)
Neverplugsingle-ended(unbalanced)
microphones,orribbonmicsintothemic
inputjacksifthephantompowerison.
Donotpluginstrumentoutputsintothe
micinputjackswithphantompoweron
unlessyouknowforcertainitissafetodoso.
2. Line Ins
These1/4"jackssharecircuitry(butnotphantom
power)withthemicpreamps,andcanbedrivenby
balancedorunbalancedsourcesatalmostanylevel.
Youcanusetheseinputsforvirtuallyanysignalyou’ll
comeacross,frominstrumentlevelsaslowas–50dBto
operatinglevelsof–10dBVto+4dBu,asthereis45dB
ofgainavailableviathegain[3]knob.Notethat
channels1-8lineinputsareintiallyattenuatedby
15dB.Alwaysmakesuretoperformthelevelsetting
procedureonpage5.
Tolearnhowsignalsareroutedfromtheseinputs,
see the details lovingly described in the channel strip
section.
Toconnectbalancedlinestotheseinputs,use
a1⁄4"Tip-Ring-Sleeve(TRS)plug,wiredasfollows:
Tip=Positive(+orhot)
Ring=Negative(–orcold)
Sleeve = Shield or ground
Toconnectunbalancedlinestotheseinputs,
usea1⁄4"mono(TS)phoneplug,wiredasfollows:
Tip=Positive(+orhot)
Sleeve = Shield or ground
3. Gain
Thesecontrolsarenotinthepatchbay,but
theyarethetoprowofknobsinthechannelstrip
section.(Theyaresovitallylinkedwiththeinputs,
thisseemedlikeagoodplacetodescribethem.)
Ifyouhaven’talready,pleasereadthelevel-setting
procedureonpage5.
Gainadjuststheinputsensitivityof
themicandlineinputs.Thisallows
signalsfromtheoutsideworldtobe
adjustedtooptimalinternaloperating
levels.
IfthesignaloriginatesthroughtheXLRjack,there
willbe0dBofgainwiththeknobfullydown,ramping
to60dBofgainfullyup.
Throughthe1⁄4"input,thereis20dBofattenuation
fullydownand40dBofgainfullyup,witha“U”(unity
gain)markat10:00.This20dBofattenuationcanbe
veryhandywhenyouareinsertingaveryhotsignal,or
whenyouwanttoaddalotofEQgain,orboth.Without
this“virtualpad,”thisscenariomightleadtochannel
clipping.
3
Содержание
- 120v 1a 250 v slo blo 220 240v 0 a 250 v slo blo 1
- 4 3 2 1 7 6 5 4 3 2 1 1
- Assign options 1
- Aux masters stereo returns 1
- Aux sends 1
- Bal unbal 1
- Bal unbal bal unbal bal unbal bal unbal bal unbal bal unbal bal unbal bal unbal bal unbal bal unbal bal unbal 1
- Balanced 1
- Caution 1
- Channel 4 bus compact mixer 1
- Control room 1
- Cr out 1
- Cr ph only returns solo 1
- Db 0 dbu 1
- Direct outs 1
- Eq eq eq eq 1
- H i 12k 1
- Hi 12k 1
- Hi mid 2 k 1
- Left right 1
- Level set 1
- Line gain 1
- Low 80hz 1
- Low cut 75 hz 1
- Low mid 400hz 1
- Main insert 1
- Main left 1
- Main mix 1
- Main out level 1
- Main right 1
- Mic gain 1
- Ow n e r s m a n ua l 1
- Pan pan pan pan pan pan pan pan bal bal bal bal 1
- Pfl afl 1
- Phones 1
- Power on phantom on 1
- Pwr 48v 1
- Revision 1
- Risque de choc electrique ne pas ouvrir 1
- Rude solo 1
- Serial number 1
- Stereo returns 1
- Subgroup outs 1
- Subs 1 2 1
- Subs 3 4 1
- Tape in 1
- Tape in tape out 1
- Tip send ring return 1
- To aux 1
- To lr to subs 1
- To reduce the risk of fire replace with correct type fuse remove power cord before changing voltage 1
- Unbal unbal 1
- Vac 120vac 240vac 1
- Warning 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
- Owner s manual 9
- Owner s manual 11
- Owner s manual 13
- Channel strip description 14
- 20 solo led 15
- Assign 1 2 3 4 l r 15
- Ol mute led 15
- Owner s manual 15
- Stereo sources 15
- Owner s manual 17
- Output section description 18
- Owner s manual 19
- Level set led 20
- Meters 20
- Mode afl pfl 20
- Rude solo light 20
- Solo level 20
- Owner s manual 21
- 2 3 4 stereo return 3 22
- Aux sends solo and led 22
- Main mix to subs stereo return 3 22
- Stereo returns level 22
- To aux 1 and to aux 2 22
- Owner s manual 23
- Appendix a service information 24
- Appendix b connections 24
- Bad channel 24
- Bad output 24
- Balanced xlr input connector 24
- Repair 24
- Troubleshooting 24
- Warranty service 24
- Balanced 1 4 trs connector 25
- Balanced xlr output connector 25
- Owner s manual 25
- Switched 1 4 phone jacks 25
- Unbalanced 1 4 ts connector 25
- Special connections 26
- Trs send receive insert jacks 26
- Unbalanced rca connector 26
- Unbalancing a line 26
- Using the send only on an insert jack 26
- Mults and y s 27
- Owner s manual 27
- Vlz4 stereo inputs and returns mono stereo whatever 27
- Appendix c technical information 28
- Specifications 28
- Block diagram 29
- Owner s manual 29
- Track sheet 30
- Owner s manual 31
- Please keep your sales receipt in a safe place 31
- Vlz4 limited warranty 31
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