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  5. Owner's Manual

Mackie 1202-VLZ Pro Owner's Manual - Introduction

Manual is about: Mackie 1202 VLZ Line Mixer: User Guide

Summary of 1202-VLZ Pro

  • Page 1

    Microseries1202-vlz mic/line mixer owner’s manual u o o +15 u o o +15 u +15 -15 u +12 -12 u +15 -15 l r u +20db o o u +20db o o u +20db o o u +20db o o u +20db o o u +20db o o u +20db o o u o o +10 u o o +20 u o o +20 u +20db o o u max o o u +10db o o u o o +15 u o o +15 u +15 -15 u +12 -12 u +15 -1...

  • Page 2

    Caution avis risk of electric shock do not open risque de choc electrique ne pas ouvrir caution: to reduce the risk of electric shock do not remove cover (or back) no user-serviceable parts inside refer servicing to qualified personnel attention: pour eviter les risques de choc electrique, ne pas en...

  • Page 3: Read This Page!!!

    3 we realize that you must be dying to try out your new microseries 1202-vlz. Or you might be one of those people who never read manuals. Either way, all we ask is that you read this page now, and the rest can wait until you’re good and ready. But do read it — you’ll be glad you did. Other nuggets o...

  • Page 4: Introduction

    4 u o o +15 u o o +15 u +15 -15 u +12 -12 u +15 -15 l r u +20db o o u +20db o o u +20db o o u +20db o o u +20db o o u +20db o o u +20db o o u o o +10 u o o +20 u o o +20 u +20db o o u max o o u +10db o o u o o +15 u o o +15 u +15 -15 u +12 -12 u +15 -15 l r u o o +15 u o o +15 u +15 -15 u +12 -12 u ...

  • Page 5: Contents

    5 contents level-setting procedure ..................................... 3 hookup diagrams .............................................. 6 patchbay description ...................................... 10 mic inputs ................................................... 10 phantom power ....................

  • Page 6: Hookup Diagrams

    6 hookup diagrams ms1202-vlz 4-tk record/2-tk mix power amplifier studio monitors 3 4 2 12 11 10 9 8 7 4 3 2 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 ...

  • Page 7

    7 ms1202-vlz video setup power amplifier compressor multi effect processor in in l r l r l r l l r r l r v/o mic audio out audio out audio out out out video deck #3 master video deck video deck #2 video deck #1 mackie designs: video setup scene #1 _ 23:94:10 time base *note: aux return #2 can be use...

  • Page 8: More Hookup Diagrams

    8 ms1202-vlz dj setup more hookup diagrams people dancing org power amplifier out (play) in (record) stereo compressor multi effect processor left pa speaker right pa speaker 2-track deck triggered lights stereo eq note: aux return #2 can be used as an extra stereo input 3 4 2 12 11 10 9 8 7 4 3 2 1...

  • Page 9

    9 ms1202-vlz stereo pa org org red red power amplifier keyboard or other line level input stereo guitar effects out (play) in (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-t...

  • Page 10

    10 ms1202-vlz patchbay description at the risk of stating the obvious, this is where you plug everything in: microphones, line-level instruments and effects, head- phones, and the ultimate destination for your sound: a tape recorder, pa system, etc. Mic inputs (channels 1–4) we use phantom-powered, ...

  • Page 11

    11 another way to consider low cut ’s function is that it actually adds flexibility during live performances. With the addition of low cut , you can safely use low equalization on vocals. Many times, bass shelving eq can really benefit voices. Trouble is, adding low eq also boosts stage rumble, mic ...

  • Page 12

    12 mic gain 10 u 60 +10db -40db -10 mic gain 10 u 60 +10db -40db -10 mic gain 10 u 60 +10db -40db -10 mic gain 10 u 60 +10db -40db -10 line in 1 line in 2 line in 3 line in 4 l mono l mono l mono l mono phones line in 5-6 r r r r aux send tape input tape output l r 1 2 1 2 right l r right trim mic 1...

  • Page 13

    13 aux returns this is where you connect the outputs of your parallel effects devices (or extra audio sources). These balanced inputs are similar to the stereo line in inputs (without eq, aux sends, pan, mute, and solo). The circuits will handle stereo or mono, balanced or unbalanced signals, either...

  • Page 14

    14 tape input these rca jacks are designed to work with semipro as well as pro recorders. To compen- sate for typically low levels, signals coming in here will be automatically boosted by 6db. Connect your tape recorder’s outputs here, using standard hi-fi (rca) cables. To learn how signals are rout...

  • Page 15

    15 xlr main output level switch engaging the main output level switch pads the balanced xlr main outputs by 30db, so you can feed the microphone input of, say, another mixer. You can safely connect this output into an input that provides 48v phantom power. 1 ⁄ 4 " main outs these 1 ⁄ 4 " jacks are b...

  • Page 16

    16 mic gain 10 u 60 +10db -40db -10 mic gain 10 u 60 +10db -40db -10 mic gain 10 u 60 +10db -40db -10 mic gain 10 u 60 +10db -40db -10 line in 1 line in 2 line in 3 line in 4 l mono l mono l mono l mono phones line in 5-6 r r r r aux send tape input tape output l r 1 2 1 2 right l r right trim mic 1...

  • Page 17

    17 power connection just in case you lose the cord provided with the ms1202-vlz, its power jack accepts a stan- dard 3-prong iec cord like those found on most professional recorders, musical instru- ments, and computers. At the other end of our cord is — get this — a plug! Not a black cube or, as we...

  • Page 18: Channel Strip Description

    18 u o o +15 u o o +15 u +15 -15 u +12 -12 u +15 -15 l r u +20db o o 1 mute hi 12khz mid 2.5khz low 80hz eq aux pan pre fader solo 1 2 gain alt 3-4 mon/ efx efx channel strip description the eight channel strips look alike, and function identically. The only difference is that the four on the left a...

  • Page 19

    19 else useful… like a separate stereo bus?” so mute/alt 3-4 really serves two functions — muting (often used during a mixdown or live show), and signal routing (for multitrack and live work) where it acts as an extra stereo bus. To use this as a mute switch, all you have to do is not use the alt 3-...

  • Page 20

    20 more than about 3db of eq . If you need more than that, there’s usually a better way to get it, such as placing a mic differently (or using a different kind of mic entirely). Aux send these tap a portion of each channel signal out to another source for parallel effects pro- cessing or stage monit...

  • Page 21: Output Section Description

    21 main mix as the name implies, this knob controls the levels of signals sent to the main outputs: xlr left and right , 1 ⁄ 4 " main outs and rca tape output . All channels and aux re- turns that are not muted or turned fully down will wind up in the main mix . Fully counterclockwise is off, the ce...

  • Page 22

    22 now you know how to select the signals you want to send to the engineer’s control room or phones. From there, these signals all pass through the same level control, aptly named: control room/phones as you might expect, this knob controls the levels of both the stereo control room outputs and phon...

  • Page 23

    23 meters – many displays in one! The ms1202-vlz’s peak metering system is made up of two columns of twelve leds. De- ceptively simple, considering the multitude of signals that can be monitored by it. If nothing is selected in the source matrix and no channels are in solo , the meters will just sit...

  • Page 24

    24 u o o +10 u o o +20 u o o +20 u max o o u +10db o o rude solo light u bal +28 clip 0db=0dbu +10 left right +7 +4 +2 0 -2 -4 -7 -10 -20 -30 power aux 1 master aux return 1 2 main mix / phones level set alt 3-4 assign to main mix source tape main mix efx to monitor normalled mon/pre post aux 1 sele...

  • Page 25

    25 aux returns these two controls set the overall level of effects received from stereo aux return in- puts 1 and 2 . These controls are designed to handle a wide range of signal levels, from off, to unity gain at the detent, with 20db gain fully clockwise, to compensate for low-level effects. Typic...

  • Page 26: Modifications

    26 for most folks, the ms1202-vlz works just fine the way it is. But for special applications, there are three signal routing changes that can be performed easily on the ms1202-vlz. Easy for someone with soldering experience, that is. If you don’t know how to solder, find a techni- cian that can. Th...

  • Page 27

    27 2. Pre-mute mod this modification changes aux send 1 (in post mode) and aux send 2 to receive signal regardless of the channel’s mute/alt 3-4 switch position, but still be post-fader (gain knob). In order to convert the entire mixer, it must be done on each channel. It is slightly more involved f...

  • Page 28

    28 3. Main mix source mod this modification changes the source matrix’s main mix selection to tap the stereo signal before the main mix level control ( pre ) instead of after ( post ). This could be especially handy for live work where the engi- neer wants to be able to control the main mix level (s...

  • Page 29: Ms1202-Vlz Block Diagram

    29 ms1202-vlz block diagram 75hz hpf mid h i 80 2k5 12k lo mid h i 80 2k5 12k lo mid h i 80 2k5 12k lo solo relay 22 10 7 4 2 0 2 4 7 10 20 30 main l main r alt l alt r aux send 1 pre aux send 1 post aux send 2 post solo logic phantom power mic in line in trim insert lo cut 3-band eq gain pan main /...

  • Page 30: Gain Structure Diagram

    30 gain structure diagram +22dbu max in 10db loss, trim down 40db gain, trim up +22dbu max in unity gain line in, channels 5-12 line in, channels 1-4 mic in, channels 1-4 60db gain, trim up 10db gain, trim down +14dbu max in +15db up -15db down low +12db up -12db down mid +15db up -15db down high +2...

  • Page 31: Specifications

    31 specifications main mix noise 20hz–20khz bandwidth, 1/4" main out, channels 1–4 trim @ unity gain, channel eqs flat, all channels assigned to main mix, channels 1 and 3 pan left, 2 and 4 pan right. Main mix knob down, channel gain knobs down: –100dbu main mix knob unity, channel gain knobs down: ...

  • Page 32: Service Info

    32 service info details concerning warranty service are spelled out on the warranty card included with your mixer (if it’s missing, let us know and we’ll rush one to you). If you think your ms1202-vlz has a prob- lem, please do everything you can to confirm it before calling for service. Doing so mi...

  • Page 33: Appendix A: Glossary

    33 this glossary contains brief definitions of many of the audio and electronic terms used in discussions of sound mixing and recording. Many of the terms have other meanings or nuances or very rigorous technical definitions which we have sidestepped here because we figure you already have a lot on ...

  • Page 34

    34 condenser another term for the electronic component generally known as a capacitor. In audio, condenser usually refers to a type of micro- phone that uses a capacitor as the sound pickup element. Condenser microphones require electrical power to run internal ampli- fiers and maintain an electrica...

  • Page 35

    35 dynamic in sound work, dynamic refers to the class of microphones that generate electrical signals by the movement of a coil in a magnetic field. Dynamic microphones are rugged, relatively inexpensive, capable of very good performance and do not require external power. Dynamic range the range bet...

  • Page 36

    36 filter a simple equalizer designed to remove cer- tain ranges of frequencies. A low-cut filter (also called a high-pass filter) reduces or eliminates frequencies below its cutoff fre- quency. There are also high-cut (low-pass) filters, bandpass filters, which cut both high and low frequencies but...

  • Page 37

    37 haas effect a psychoacoustic effect in which the time of arrival of a sound to the left and right ears affects our perception of direction. If a signal is presented to both ears at the same time at the same volume, it appears to be directly in front of us. But if the signal to one ear, still at t...

  • Page 38

    38 mixer an electronic device used to combine various audio signals into a common output. Different from a blender, which combines various fruits into a common libation. Monaural literally, pertaining to or having the use of only one ear. In sound work, monaural has to do with a signal which, for pu...

  • Page 39

    39 generally, phantom power is safe to use with non-condenser microphones as well, especially dynamic microphones. However, unbalanced microphones, some electronic equipment (such as some wireless microphone receivers) and some ribbon microphones can short out the phantom power and be severely damag...

  • Page 40

    40 return a return is a mixer line input dedicated to the task of returning processed or added sound from reverb, echo and other effects devices. Depending on the internal routing of your mixer and your own inclination, you could use returns as additional line inputs, or you could route your reverb ...

  • Page 41

    41 tinnitus the ringing in the ears that is produced with prolonged exposure to high volumes. A sound in the ears, such as buzzing, ringing, or whistling, caused by volume knob abuse! Trim in audio mixers, the gain adjustment for the first amplification stage of the mixer. The trim control helps the...

  • Page 42: Appendix B: Connections

    42 “xlr” connectors mackie mixers use 3-pin female “xlr” con- nectors on all microphone inputs, with pin 1 wired to the grounded (earthed) shield, pin 2 wired to the “high” (”hot” or positive polarity) side of the audio signal and pin 3 wired to the “low” (“cold” or negative polarity) side of the si...

  • Page 43

    43 special mackie connections the balanced-to-unbalanced connection has been anticipated in the wiring of mackie jacks. A 1 ⁄ 4 " ts plug in- serted into a 1 ⁄ 4 " trs balanced in- put, for example, will automatically unbalance the in- put and make all the right connections. Conversely, a 1 ⁄ 4 " tr...

  • Page 44

    44 if you push the 1 ⁄ 4 " ts plug in to the second click, you will open the jack switch and create a direct out, which does interrupt the signal in that channel. See figure e. Note: do not over- load or short-circuit the signal you are tapping from the mixer. That will affect the internal signal. M...

  • Page 45

    45 appendix c: balanced lines, phantom powering, grounding and other arcane mysteries what is it, exactly? The obvious external power source for any modern microphone is a battery. About the only electronic advantage that a battery has is that its output is pure dc. The only other ad- vantage is to ...

  • Page 46

    46 microphones that do not require power sim- ply ignore the dc present between pin 2/pin 3 and pin 1. If you measure with a voltmeter between pin 2 and pin 3, you will read 0 volts dc. This is what your dynamic microphone sees. Measuring between pin 2 and pin 1, or between pin 3 and pin 1, you will...

  • Page 47

    47 do’s and don’ts of fixed installations if you install sound systems into fixed in- stallations, there are a number of things that you can do to make your life easier and that increase the likelihood of the sound system operating in a predictable manner. Even if you don’t do fixed installations, t...

  • Page 48

    48 many “authorities” tell you that shields should only be connected at one end. Some- times this can be true, but for most (99%) audio systems, it is unnecessary. If you do ev- erything else correctly, you should be able to connect every component of your audio system using standard, off-the-shelf ...

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    49 u o o +15 u o o +15 u +15 -15 u +12 -12 u +15 -15 l r u +20db o o u +20db o o u +20db o o u +20db o o u +20db o o u +20db o o u +20db o o u o o +10 u o o +20 u o o +20 u +20db o o u max o o u +10db o o u o o +15 u o o +15 u +15 -15 u +12 -12 u +15 -15 l r u o o +15 u o o +15 u +15 -15 u +12 -12 u...

  • Page 50

    Some of the people at our woodinville, washington factory who helped design, build, sell, and support your 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. N...