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MS1202-VLZ Stereo PA

org

red

Power

Amplifier

Keyboard or other

line level input

Stereo Guitar Effects

out

(play)

(record)

Drum

Machine

Stereo Compressor

Mono Compressor

Line out

from

Bass Amp

Vocal Mics

Multi Effect

Processor

Power Amp

Stage Monitors

Left PA Speaker

Right PA Speaker

2-Track

Deck

Stereo EQ

This setup can be easily reconfigured to become
a Mono PA setup.

Stereo sources should feed the left mono
side of channel input only.

Pan each channel hard left.

Connect Mono PA system to
Left main output.

Mono EQ

Bass Effects

FULL SYMMETRY DUAL DIFFERENTIAL HIGH CURRENT DESIGN

CHANNEL INSERTS

AUX RETURNS

ALT 3/4

OUT

PHONES

OUT

INPUTS

MONO

AUX OUT

CHANNEL

IN-TAPE-OUT

MAIN OUT

CNTRL ROOM

OUTPUTS

MAIN OUT

out

Содержание 1202-VLZ Pro

Страница 1: ...CT TRIM LOW CUT 75 Hz 18dB OCT TRIM LOW CUT 75 Hz 18dB OCT TRIM LOW CUT 75 Hz 18dB OCT ALT 3 4 ALT 3 4 ALT 3 4 ALT 3 4 ALT 3 4 ALT 3 4 ALT 3 4 ALT 3 4 BAL OR UNBAL BAL OR UNBAL BAL OR UNBAL BAL OR UNBAL BAL OR UNBAL BAL OR UNBAL BAL OR UNBAL BAL OR UNBAL ALL BAL UNBAL EFX TO MONITOR MON EFX 1 MON EFX 1 MON EFX 1 MON EFX 1 MON EFX 1 MON EFX 1 MON EFX 1 MON EFX EFX HI 12kHz MID 2 5kHz LOW 80Hz EQ AU...

Страница 2: ...ss the blades can be fully inserted to prevent blade exposure Pourpréevenirleschocsélectriquesnepasutilisercettefiche polariseéavecunprolongateur unprisedecourantouuneautre sortie de courant sauf si les lames peuvent être insérées à fond sanslaisseraucunepariieàdécouvert 13 Grounding or Polarization Precautions should be taken so that the grounding or polarization means of this Mackie product is n...

Страница 3: ...e i e insurance claims tech support return authorization etc LEVEL SETTING PROCEDURE Message to seasoned pros do not set levels using the old Turn the trim up until the clip light comes on then back off a hair trick When a Mackie Designs mixer clip light comes on you really are about to clip We worked and slaved to come up with a better system one that provides low noise and high headroom Adjustin...

Страница 4: ...many of you folks will want to hook up your MS1202 VLZ immediately the first pages you will encounter after the table of contents are the ever popular hookup diagrams These show typical mixer setups for Record Mixdown Video Disc Jockey and Stereo PA After this section is a detailed tour of the entire mixer Every feature of the MS1202 VLZ is described geographically in other words in order of where...

Страница 5: ...Q 19 AUX SEND 20 OUTPUT SECTION DESCRIPTION 21 MAIN MIX 21 VLZ MIX ARCHITECTURE 21 SOURCE MATRIX 21 CONTROL ROOM PHONES 22 PRE FADER SOLO PFL 22 RUDE SOLO LIGHT 23 ASSIGN TO MAIN MIX 23 METERS 23 AUX TALK 24 AUX 1 PRE POST SELECT 24 AUX 1 MASTER 24 AUX RETURNS 25 EFX TO MONITOR 25 JACK NORMALLING 25 MODIFICATIONS 26 BLOCK DIAGRAM 29 GAIN STRUCTURE DIAGRAM 30 SPECIFICATIONS 31 SERVICE INFO 32 APPEN...

Страница 6: ... CHANNEL R L R IN TAPE OUT MAIN OUT CNTRL ROOM OUTPUTS MAIN OUT L R Mono in stereo out Reverb Digital Delay out play in record Keyboard or other line level input 4 track Recorder in record out play in in out out IMPORTANT ALL Channel Insert plugs are inserted to the SECOND click Mono Processor out in Guitar Effects 2 track Mixdown Deck 2 track Mixdown Deck 2 track Mixdown Deck CH 1 CH 2 FULL SYMME...

Страница 7: ... can be used as an extra stereo input Multi VCR Video Switcher with time code interface optional Keyboard or other line level input out in 3 4 2 12 11 10 9 8 7 4 3 2 1 1 1 1 2 L R L R L R CHANNEL INSERTS AUX RETURNS ALT 3 4 OUT PHONES OUT INPUTS L MONO R R R R L MONO L MONO L MONO AUX OUT L 5 1 2 6 CHANNEL R L R IN TAPE OUT MAIN OUT CNTRL ROOM OUTPUTS MAIN OUT L R Time Code DAT Studio Monitors CD ...

Страница 8: ... can be used as an extra stereo input 3 4 2 12 11 10 9 8 7 4 3 2 1 1 1 1 2 L R L R L R CHANNEL INSERTS AUX RETURNS ALT 3 4 OUT PHONES OUT INPUTS L MONO R R R R L MONO L MONO L MONO AUX OUT L 5 1 2 6 CHANNEL R L R IN TAPE OUT MAIN OUT CNTRL ROOM OUTPUTS MAIN OUT L R CD Player CD Player Sampler Turntable Phono Preamps out in out in out out out in L R L R L R RIAA RIAA CH 1 CH 2 FULL SYMMETRY DUAL DI...

Страница 9: ...come a Mono PA setup A Stereo sources should feed the left mono side of channel input only B Pan each channel hard left C Connect Mono PA system to Left main output Mono EQ Bass Effects CH 1 CH 2 FULL SYMMETRY DUAL DIFFERENTIAL HIGH CURRENT DESIGN CH 1 CH 2 FULL SYMMETRY DUAL DIFFERENTIAL HIGH CURRENT DESIGN 3 4 2 12 11 10 9 8 7 4 3 2 3 1 1 1 1 2 L R L R L R CHANNEL INSERTS AUX RETURNS ALT 3 4 OUT...

Страница 10: ...cted by it anyway The MS1202 VLZ s phantom power is globally controlled by the PHANTOM switch on the rear panel This means the phantom power for channels 1 4 is turned on and off together Never plug single ended unbalanced micro phones or instruments into the MIC input jacks if the PHANTOM power is on Do not plug instrument outputs into the MIC input jacks with PHANTOM power on unless you know for...

Страница 11: ...or both Without this virtual pad a scenario like that might lead to channel clipping To connect balanced lines to these inputs use a 1 4 Tip Ring Sleeve TRS plug the type found on stereo headphones 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 or standard instrument cable Tip Signal Sleeve Ground LINE IN i...

Страница 12: ... output plug into the channel 5 jack and its right output plug into the channel 6 jack When connecting a mono device just one cord always use the LEFT MONO input LINE IN jacks 5 7 9 or 11 and plug nothing into the RIGHT input LINE IN jacks 6 8 10 or 12 this way the signal will appear on both sides This trick is called jack normalling EFFECTS SERIAL OR PARALLEL The next two sections toss the terms ...

Страница 13: ...annels 5 through 12 simply patch through the processor before you plug into the MS1202 VLZ The CHANNEL INSERT points are after the TRIM and LOW CUT controls but before the channel s EQ and GAIN controls The send tip is low impedance 120 ohms capable of driving any line level device The return ring is high impedance over 2 5k ohms and can be driven by almost any device Insert cables must be wired t...

Страница 14: ... L MONO L MONO L MONO PHONES LINE IN 5 6 R R R R AUXSEND TAPE INPUT TAPE OUTPUT L R 1 2 1 2 RIGHT L R RIGHT TRIM MIC 1 MIC 2 MIC 3 MIC 4 LEFT LEFT MONO STEREO AUX RETURNS MAIN OUTS BAL UNBAL LINE IN 7 8 LINE IN 9 10 LINE IN 11 12 LOW CUT 75 Hz 18dB OCT TRIM LOW CUT 75 Hz 18dB OCT TRIM LOW CUT 75 Hz 18dB OCT TRIM LOW CUT 75 Hz 18dB OCT BAL OR UNBAL BAL OR UNBAL BAL OR UNBAL BAL OR UNBAL BAL OR UNBA...

Страница 15: ... most music recording and PA applica tions unbalanced lines are perfectly acceptable To use these outputs to drive un balanced inputs connect 1 4 TS Tip Sleeve phone plugs like this SLEEVE TIP TIP SLEEVE TIP SLEEVE Tip hot Sleeve Ground TAPE OUTPUT These unbalanced RCA connections tap the main output to make simultaneous recording and PA work more convenient Connect these to your recorder s inputs...

Страница 16: ...ohm balanced or unbalanced load To learn how signals are routed to these outputs To wire your own cables AUX SEND 1 2 These 1 4 jacks are also balanced outputs capable of delivering 22dBu into a 600 ohm balanced or unbalanced load To learn how signals are routed to these outputs To wire your own cables PHONES The MS1202 VLZ s stereo PHONES jack will drive any standard headphone to very loud lev el...

Страница 17: ... to do POWER SWITCH If this one isn t self explanatory we give up You can leave this switch on all the time the MS1202 VLZ is conservatively designed so heat buildup isn t a problem even in 24 hour a day operation There s nothing that will burn out or get used up You may notice that the MS1202 VLZ feels quite warm in the upper right corner This is perfectly normal Perfectly normal Is that redundan...

Страница 18: ...rom off to unity gain at the detent on up to 20dB of additional gain The GAIN knob is the equivalent of a channel fader Channels 1 through 4 use mono controls and channels 5 through 12 use stereo controls and may feel slightly different Not a problem PRE FADER SOLO This lovable switch allows you to hear sig nals through your headphones or control room without having to route them to the MAIN MIX o...

Страница 19: ...re is that it can act as a SIP Solo In Place just engage a channel s MUTE ALT 3 4 switch and the ALT 3 4 switch in the SOURCE matrix and you ll get that channel all by itself in the CONTROL ROOM and PHONES MUTE ALT 3 4 is one of those controls that can bewilder newcomers so take your time and play around with it Once you ve got it down you ll probably think of a hundred uses for it PAN PAN adjusts...

Страница 20: ... tricky parts where the mixing is really done LOW EQ This control gives you up to 15dB boost or cut at 80Hz The circuit is flat no boost or cut at the center detent position This fre quency represents the punch in bass drums bass guitar fat synth patches and some really serious male singers Used in conjunction with the LOW CUT switch you can boost the LOW EQ without injecting a ton of subsonic deb...

Страница 21: ...esofwhattolistento Thisisoneof thosetrickyparts sobuckleup ViatheSOURCE switches youcanchooseto listentoanycombinationofMAIN MIX ALT 3 4 andTAPE Bynow youprobablyknowwhatthe MAIN MIX is ALT 3 4 isthatadditionalstereomix bus TAPE isthestereosignalcominginfrom theTAPE INPUT RCA jacks SelectionsmadeintheSOURCE matrixdeliver stereosignalstothe CONTROL ROOM PHONES andmeterdisplay Withnoswitchesengaged ...

Страница 22: ...el s SOLO switch will cause this dramatic turn of events Any exist ing SOURCE matrix selections will be replaced by the SOLO signal appearing at the CON TROL ROOM outputs PHONES outputs and at the right meter The audible SOLO levels are then controlled by the CONTROL ROOM PHONES knob The SOLO levels appearing on the right meter display are not controlled by anything you wouldn t want that You want...

Страница 23: ...0dB VU on the METERS What could be easier By the way the most wonderful thing about standards is that there are so many to choose from Remember audio meters are just tools to help assure you that your levels are in the ballpark You don t have to stare at them unless you want to RUDE SOLO LIGHT This flashing Light Emitting Diode serves two purposes to remind you that at least one channel is in SOLO...

Страница 24: ...AUX SEND 2 has no such control This knob goes from off turned fully down to unity gain at the cen ter detent with 10dB of extra gain turned fully up As with some other level controls you may never need the additional gain but if you ever do you ll be glad you bought a Mackie This is usually the knob you turn up when the lead singer glares at you points at his stage monitor and sticks his thumb up ...

Страница 25: ...MAIN MIX Still with us Good So far with the switch down we have AUX RETURN 1 feeding the MAIN MIX and AUX RETURN 2 feeding AUX SEND 1 Now suppose you only have one ef fects device and you want it to feed both the MAIN MIX and AUX SEND 1 That s where jack normalling comes in JACK NORMALLING Jack normalling not to be confused with Jack Normalling Chicago Cubs utility infielder 1952 61 267 LBA is a f...

Страница 26: ...ty privileges void BE CAREFUL A Note About Jumpers When installing jumpers do not run their ends through holes in the circuit board Rather solder them flat against the desired pad the flat silver area possibly with a hole in the middle Make sure the ends of these flat wires do not extend beyond the pad 1 PRE FADER MOD AUX TO MONITOR This modification changes AUX SEND 2 to be pre fader pre mute ins...

Страница 27: ... bottom cover Keep track of what screws go where Remove the bottom cover 4 Using a sharp X acto type knife cut the conductor at point C channels 1 4 or the conductors at points CL and CR channels 5 12 Be careful to cut all the way through the conductor and do not cut any nearby traces 5 Locate the 12 pins that comprise the underside of each MUTE ALT 3 4 switch 6 Add jumpers as shown on the illustr...

Страница 28: ...l level at the MAIN OUTS but rather the signal level at the PHONES and CONTROL ROOM outputs when MAIN MIX SOURCE is selected 1 Remove all cords including the power cable from the MS1202 VLZ 2 Place the mixer upside down on a dry non marring surface 3 Remove the screws that attach the bottom cover Keep track of what screws go where Remove the bottom cover 4 Using a sharp X acto type knife cut the c...

Страница 29: ...IN L LINE IN R 3 BAND EQ GAIN PAN MAIN ALT AUX RETURN 1 L IN R IN AUX RETURN 2 L IN MONO R IN GAIN GAIN EFX TO MONITOR MAIN MIX MAIN LEVEL 30dB PAD TAPE OUT L LINE OUT L BAL OUT L BAL OUT R LINE OUT R ALT MIX ALT OUT L ALT OUT R ALT TAPE MAIN SOURCE CONTROL ROOM PHONES LEVEL METERING 0dBu 0VU LEFT RIGHT CONTROL ROOM OUT PHONES OUT AUX MIX AUX 1 PRE POST AUX SEND 2 AUX SEND 1 MACKIE MS1202 VLZ BLOC...

Страница 30: ...er EQ MIX 0dB 1 4 Out and RCA Tape Out 30dB XLR OUT PAD engaged 6dB XLR OUT OUTPUTS CHANNEL MAIN MIX to A A to A to A to D MAIN MIX ALT 3 4 0dB 0dB 0dB TAPE IN 6dB Boost D 10dB up OUTPUT 0dB SOURCE Matrix C R PHONES MIX C R PHONES LEVEL CONTROL ROOM PHONES C B 0dB From B 15dB up 10dB up Channel AUX SEND AUX MIX Master AUX SEND 0dB OUTPUT AUX SEND INPUT 20dB up to C 0dB LEVEL AUX RETURN 22dBu max o...

Страница 31: ...n 129 5dBmunweighted CommonModeRejection CMR MicintoInsertSendout maxgain 1kHz betterthan 90dB MaximumLevels Micin 14dBu Tapein 16dBu Allotherinputs 22dBu Main Mix XLR out 28dBu Allotheroutputs 22dBu Impedances Mic in 1 3kilohms ChannelInsertreturn 2 5kilohms Allotherinputs 10kilohmsorgreater Tapeout 1 1kilohms Allotheroutputs 120ohms EQ HighShelving 15db 12kHz MidPeaking 12dB 2 5kHz LowShelving 1...

Страница 32: ...vorite question Is the POWER switch on Check the fuse REPAIR Service for the U S version of the MS1202 VLZ is available only from Mackie Designs located in sunny Woodinville Washington Service for mixers living outside the United States can be obtained through local dealers or distributors If your mixer needs service follow these instructions 1 Review the preceding troubleshooting suggestions Plea...

Страница 33: ...ground Balanced input circuits can offer excellent rejection of common mode noise induced into the line and also make proper no ground loops system grounding easier Usually terminated with 1 4 TRS or XLR connectors bandwidth The band of frequencies that pass through a device with a loss of less than 3dB expressed in Hertz or in musical octaves Also see Q bus An electrical connection common to thre...

Страница 34: ... it is not equivalent dBV A unit of measurement of audio signal level in an electrical circuit expressed in decibels referenced to 1 VRMS across any impedance Commonly used to describe signal levels in consumer equipment To convert dBV to dBu add 2 2dB decibel dB The dB is a ratio of quantities measured in similar terms using a logarithmic scale Many audio system parameters measure over such a lar...

Страница 35: ...valent input noise voltage nec essary to obtain a given preamp s output noise Typically ranges from 125 to 129 5 dBm EQ See equalization EQ curve A graph of the response of an equalizer with frequency on the x horizontal axis and amplitude level on the y vertical axis Equalizer types and effects are often named af ter the shape of the graphed response curve such as peak dip shelf notch knee and so...

Страница 36: ...encies evenly spaced through the audio spectrum In a per fect world a line drawn through the centers of the control shafts would form a graph of the frequency response curve Get it Or the positions of the slide pots give a graphic rep resentation of boost or cut levels across the frequency spectrum ground Also called earth Ground is defined as the point of zero voltage in a circuit or system the r...

Страница 37: ...hen the only way that real consoles were built was in modular fashion one channel per module See channel strip knee A knee is a sharp bend in an EQ response curve not unlike the sharp bend in your leg Also used in describing dynamics processors level Another word for signal voltage power strength or volume Audio signals are some times classified according to their level Commonly used levels are mi...

Страница 38: ... brown noise or it could be your mother in law reliving the day she had her gallstone removed noise floor The residual level of noise in any system In a well designed mixer the noise floor will be a quiet hiss which is the thermal noise gener ated by bouncing electrons in the transistor junctions The lower the noise floor and the higher the headroom the more usable dynamic range a system has pan p...

Страница 39: ...See post fader proximity effect The property of many directional micro phones to accentuate their bass response when the source to mic distance is small typically three inches or less Singers generally like this effect even more than singing in the shower Q A way of stating the bandwidth of a filter or equalizer section An EQ with a Q of 75 is broad and smooth while a Q of 10 gives a narrow pointe...

Страница 40: ... output of the input signals typically used for foldback monitors headphone monitors or effects devices Mackie mixers call it an Aux Send shelving A term used to describe the shape of an equalizer s frequency response A shelving equalizer s response begins to rise or fall at some frequency and continues to fall or rise until it reaches the shelf frequency at which point the response curve flattens...

Страница 41: ...to ground Usually one leg will be held at ground potential Unbalanced circuit connections require only two conductors signal hot and ground Unbalanced audio circuitry is less expensive to build but under certain circum stances is more susceptible to noise pickup unity gain A circuit or system that has its voltage gain adjusted to be one or unity A signal will leave a unity gain circuit at the same...

Страница 42: ...ck or plug is connected tip to signal high hot ring to signal low cold and sleeve to ground earth Unbalanced Send Return circuits When wired as send return Y connector a 1 4 TRS jack or plug is connected tip to signal send output from mixer ring to signal return input back into mixer and sleeve to ground earth 1 4 TS PHONE PLUGS AND JACKS TS stands for Tip Sleeve the two connec tions available on ...

Страница 43: ...NE In most studio stage and sound reinforce ment situations there is a combination of balanced and unbalanced inputs and outputs on the various pieces of equipment This usually will not be a problem in making connections When connecting a balanced output to an unbalanced input be sure the signal high hot connections are wired to each other and that the balanced signal low cold goes to the ground e...

Страница 44: ...buses it s assigned to or it can be panned with the Balance control A stereo signal having two plugs should be patched into the LEFT MONO and the RIGHT input or return jacks A jack switch in the RIGHT jack will disable the mono func tion and the signals will show up in stereo A mono signal connected to the RIGHT jack will show up in the right bus only You probably will only want to use this sophis...

Страница 45: ...round for both audio and power Balanced Lines Balanced lines offer increased immunity to external noise specifically hum and buzz Because a balanced system is able to minimize noise it is the preferred interconnect method especially in cases where very long lengths of cable are being used A long unbalanced cable carries with it more opportunity for noise to get into a system having balanced inputs...

Страница 46: ...such as the AKG C12 Neumann U47 or U67 these microphones may be connected in a phantom powered system and will operate without regard to the pres ence or absence of phantom power They will always require their external power supply which must be plugged in and turned on What doesn t work The list is short 1 Microphones with unbalanced outputs 2 Microphones with grounded center tapped outputs Many ...

Страница 47: ...t the electrician uses the star ground system for the safety grounds in your electrical system All of the audio system grounds should terminate at the same physical point No other grounds may come in contact with this ground system 9 Ensure that the AC power feeds are connected to the same transformer and ideally the same circuit breaker 10 Walk outside look at the horizon see any radio towers Loc...

Страница 48: ...he unbalanced source look like a microphone 7 For really extreme cases you may need to insert 1 1 or isolation transformers into each return line from the front of house location to your amp racks 8 Don t cut the third pin off of the power cord Carry some ground lifter adapters and use them only when you have to plug into an ancient two wire outlet 9 If you bundle your cables together don t bundle...

Страница 49: ...R AUX 1 MASTER AUX RETURN 1 2 LINE IN 1 LINE IN 2 LINE IN 3 LINE IN 4 L MONO L MONO L MONO L MONO LINE IN 5 6 R R R R AUXSEND TAPE INPUT TAPE OUTPUT L R 1 2 1 2 RIGHT L R RIGHT TRIM MIC 1 MIC 2 MIC 3 MIC 4 LEFT LEFT MONO STEREO AUX RETURNS MAIN OUTS BAL UNBAL LINE IN 7 8 LINE IN 9 10 LINE IN 11 12 GAIN GAIN GAIN GAIN GAIN GAIN GAIN GAIN MAIN MIX PHONES LEVEL SET ALT 3 4 ASSIGN TO MAIN MIX SOURCE T...

Страница 50: ...ur product Some of the people at our Woodinville Washington factory who helped design build sell and support your product Mackie Designs Inc Mackie Designs Inc 16220 Wood Red Rd NE Woodinville WA 98072 USA 800 898 3211 Outside the US 425 487 4333 Fax 425 487 4337 www mackie com E mail sales mackie com ...

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