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ML4000

User Guide

Contents

Introduction.......................................................... 2

Warranty............................................................... 4

Important Safety Instructions .............................. 5

Mains Plug Wiring Instructions............................ 6

General Precautions ............................................ 6

ML4000

Key Features ......................................... 7

Quick Start Sheet................................................. 8

System Block Diagram ...................................... 10

Technical Specifications.................................... 12

The Range ......................................................... 13

Installation Details.............................................. 13

Connecting the Power Supply .......................... 14

Turning the Console On or Off .......................... 14

Earthing.............................................................. 15

Rear Panel Connections.................................... 16

Audio Connector Types and Wiring .................. 18

Gain Structure.................................................... 19

Control Layout and Description ........................ 20

Mono Input and EQ ........................................... 22

Using the Equaliser ........................................... 23

Channel Group / Auxiliary Sends ...................... 24

Channel Internal Link Options........................... 25

Using the GRP/AUX Sends ............................... 25

Channel Main Mix and Fader ............................ 26

Removing the Fader .......................................... 27

Checking the Channel Signal Level .................. 27

Using LCRplus™................................................ 28

Stereo Input and EQ.......................................... 30

Using the Dual Inputs ........................................ 31

Group / Aux Fader and Rotary Masters ............ 32

Configuring Groups and Auxes......................... 34

Main Mix Masters............................................... 35

Using the Engineers Wedge Monitor ................ 35

Matrix ................................................................. 36

2-Track Output................................................... 37

VCA Groups....................................................... 38

VCA Groups Explained...................................... 38

Assigning VCA Groups...................................... 40

Mute Groups...................................................... 41

Assigning Mute Groups..................................... 41

Snapshot Memories .......................................... 42

Channel Automation Safes................................ 42

Headphones / Local Monitor / PAFL................. 43

Oscillator / Noise Generator.............................. 45

Intercom............................................................. 46

Talkback ............................................................ 47

Meterpod ........................................................... 48

Meter Types ....................................................... 49

MIDI Overview.................................................... 50

Changing the MIDI channel number................. 50

MIDI Channel Mutes .......................................... 51

MIDI Snapshot Messages ................................. 51

MIDI AFL Messages........................................... 51

Archiving the Console Settings ......................... 52

Operating System Technical Support............... 53

Operating Software Version Number ................ 53

Loading New Operating Software..................... 53

Console Reset ................................................... 53

Blank for User Notes ......................................... 54

Cue Sheet .......................................................... 55

Содержание ML4000

Страница 1: ...USER GUIDE Publication AP4314 Dual Function Live Sound Console ...

Страница 2: ...hrough our world wide network of approved dealers and service agents You can also access our Web site on the Internet for information on our product range assistance with your technical queries or simply to chat about matters audio To help us provide the most efficient service please keep a record of your console serial number and date and place of purchase to be quoted in any communication regard...

Страница 3: ...der 27 Checking the Channel Signal Level 27 Using LCRplus 28 Stereo Input and EQ 30 Using the Dual Inputs 31 Group Aux Fader and Rotary Masters 32 Configuring Groups and Auxes 34 Main Mix Masters 35 Using the Engineers Wedge Monitor 35 Matrix 36 2 Track Output 37 VCA Groups 38 VCA Groups Explained 38 Assigning VCA Groups 40 Mute Groups 41 Assigning Mute Groups 41 Snapshot Memories 42 Channel Autom...

Страница 4: ... HEATH and is warranted to be free from defects in materials or workmanship for period of one year from the date of purchase by the original owner To ensure a high level of performance and reliability for which this equipment has been designed and manufactured read this User Guide before operating In the event of a failure notify and return the defective unit to ALLEN HEATH or its authorised agent...

Страница 5: ...in the power cord Water and moisture To reduce the risk of fire or electric shock do not expose the power unit or console to rain or moisture or use it in damp or wet conditions Do not place containers of liquids on it which might spill into any openings Ventilation Do not obstruct the ventilation slots or position the console or power unit where the air flow required for ventilation is impeded If...

Страница 6: ...nment Protect from excessive dirt dust heat and vibration when operating and storing Avoid tobacco ash smoke drinks spillage and exposure to rain and moisture If the console becomes wet switch off and remove mains power immediately Allow to dry out thoroughly before using again Radiation To avoid induced noise and interference pickup do not operate the console close to strong sources of electromag...

Страница 7: ...t outputs 2 dual stereo line inputs standard 6 optional 24 input sidecar to expand to a maximum 96 inputs Main Left Right and Centre outputs with inserts Centre configurable as the engineers monitor 8 Groups 12 Auxes Group Aux 1 8 and Aux 9 12 with faders and inserts Aux 1 8 with rotaries 11x4 Matrix 2 Track monitor input and recording send Stereo headphones and local monitors Talkback mic input C...

Страница 8: ... or stereo in pairs Fader masters with inserts MAIN C OUT Engineers wedge monitor DUAL MODE Set the mode switches to configure fader masters 1 8 in any combination of audio groups and aux sends Using LCRplus PAN and BLEND Two controls adjust the balance between L R and C MAIN MIX Routes the channel to the main L R C outputs MONO PA PAN BLEND C LR R L L R C L R C PAN BLEND C LR R L L R C PAN BLEND ...

Страница 9: ... 20 10 7 3 1 0 3 5 5 20 10 7 3 1 0 3 5 5 20 10 7 3 1 0 3 5 16 12 0 3 6 3 12 15 18 9 6 27 30 24 21 9 AFL CALL PAFL AFL 5 20 10 7 3 1 0 3 5 16 12 12 16 0 3 6 3 12 15 18 9 6 3 6 3 0 9 18 15 12 6 27 30 24 24 30 27 off 21 21 off 9 9 5 20 10 7 3 1 0 3 5 5 20 10 7 3 1 0 3 5 16 12 0 3 6 3 12 15 18 9 6 27 30 24 21 9 16 12 12 16 0 3 6 3 12 15 18 9 6 3 6 3 0 9 18 15 12 6 27 30 24 24 30 27 AFL R 21 21 CALL AF...

Страница 10: ...LR C L R C PEAK LCR PRE FADE POST FADE PRE POST MUTE PRE FADE AUX OPTION LINKS PRE PRE AUX11 STEREO CHANNEL MUTE FADER PAFL MUTE GROUPS VCA GROUPS PAFL LOGIC VCA J3 R J2 SNAPSHOTS L AFL PFL R AFL L MIX R MIX C MIX AUX12 AUX11 GAIN L R R L INPUT A ON ON MONO L MONO R SOURCE LM HM HF L J1 L R M L R M AUX12 11 12 LEV STEREO PAN PRE AUX11 AUX12 AUX11 AUX12 LEV 11 12 STEREO PAN J10 LAMP INTERCOM IN OUT...

Страница 11: ... GRP 1 8 AUX 1 8 L AFL R AFL L MIX R MIX C MIX MASTER SNAPSHOTS MUTE GROUPS SNAPSHOTS MUTE GROUPS SNAPSHOTS TB GRP L AFL R AFL TB L MIX R MIX C MIX GRP 1 GRP 2 GRP 8 L R GRP 3 GRP 4 C GRP 5 GRP 6 GRP 7 TB ENABLE TB LEVEL MUTE BAL OUT AFL AFL LOGIC L AFL R AFL MATRIX MATRIX L AFL PFL R AFL WEDGE mode L 2TRK IN R OUT 2TRK R C LR 2TRK L R C MONO L MONITOR LOCAL R LOCAL HEADPHONES L R PHONES WEDGE MON...

Страница 12: ...0Hz bell LF 15dB 60Hz shelf Power Supply Model MPS14 Type External 2U rack or floor mount Mains input 100 230V 50 60Hz universal input Power consumption 500W Full protection and fan cooling Built in combiner for redundant supply Dimensions Width Depth Height 24 Channel 1196 47 781 30 7 282 11 1 32 Channel 1451 57 781 282 40 Channel 1706 67 781 282 48 Channel 1961 77 781 282 Sidecar 831 33 781 282 ...

Страница 13: ...L4000 Sidecar User Guide AP3898 MPS14 User Guide AP4316 ML4000 Service Manual AL4061 Gooseneck lamp 18 Installation Details Weights 24 Channel 53 kg 116 lbs 32 Channel 65 kg 143 lbs 40 Channel 75 kg 165 lbs 48 Channel 87 kg 191 lbs 24 Channel sidecar 40 kg 88 lbs MPS14 psu 2 5 kg 5 lbs 90 FC 76 2 482 6 440 263 REMOVABLE RACK EARS 2U HEIGHT Refer to the power supply user guide for safety and instal...

Страница 14: ...om the DC POWER OUT 1 socket on the backup supply to DC POWER OUT 2 on the main supply Turning the Console On or Off First check that the mains and DC leads are correctly plugged in and secured Turn on the power supply using its front panel mains switch The console must be connected to the power supply before turning it on Failure to do so will result in the unit powering up in protect mode Turn o...

Страница 15: ...e your mains system checked by a qualified electrician If the supply earthing is solid to start with you are less likely to experience problems Do not remove the earth connection from the console mains plug The console chassis is connected to mains earth through the power cable to ensure your safety Audio 0V is connected to the console chassis internally If problems are encountered with earth loop...

Страница 16: ...andard You can connect to a console fitted with SYS LINK I using special adapter cables Contact Allen Heath for details EXPANDER LOGIC 9 pin D connectors to link the expander sidecar and main console logic system Up to two sidecars may be connected MIDI Three standard opto isolated 5 pin sockets for MIDI IN OUT and THRU The small slide switch selects either the MIDI or RS232 connection For normal ...

Страница 17: ...r respective connectors regardless of the setting of the front panel REVERSE switches INSERTS Each of the 8 mix and 3 main outputs has a pre master fader insert point These provide separate TRS jack sockets for send and return The mix signal path is interrupted when you plug into the RETURN socket You can tap off the pre fade signal without interrupting the signal path by plugging into the SEND so...

Страница 18: ...18 ML4000 User Guide Audio Connector Types and Wiring ...

Страница 19: ... is best to first set the gain with inserted signal processors such as compressors switched to bypass Matching the Console to Destination Equipment The console produces a standard XLR output level of 0dBu for a meter reading of 0 It can produce a maximum of 23dBu and is therefore well suited to driving equipment operating at nominal 0dBu or 4dBu while providing plenty of headroom If you are connec...

Страница 20: ...0 10 SIG 5 0 0 5 5 20 10 SIG 0 5 EDIT SAFE PK 6 STEREO PK 0 6 EDIT SAFE AFL 0 PK 0 6 AFL 6 6 5 20 10 0 5 SIG 5 20 10 SIG 5 0 AFL STEREO PK 0 6 AFL EDIT SAFE STEREO PK 0 6 EDIT SAFE AFL LR MUTE L R TB MUTE LR PAN PAN C L R L TB MUTE C LR PAN O BLEND MIX MAIN BLEND LCR LCR O O AFL MIX MAIN BLEND LCR AFL O OO R L R TB TB MUTE PAN C C LR L R MUTE TB LR PAN C AFL MAIN LCR BLEND MIX MAIN MIX AFL O O LCR...

Страница 21: ...sends 9 12 They can be AFL d in mono or stereo AUX GRP 1 8 FADER MASTERS These are the rotary masters for aux sends 1 8 They can be reversed with the group fader masters together with the inserts for full featured monitor mixing MAIN MIX FADERS Provides separate master faders mutes and inserts for the main L R and C outputs A mode switch configures the C output as the engineers wedge monitor feed ...

Страница 22: ...rse wired cables or sources and can be effective in reducing phasing problems between microphones or acoustic feedback between the microphone and loudspeakers HPF FREQUENCY Adjusts the cut off frequency of the high pass filter between 20Hz and 400Hz to reduce low frequency source noise The filter attenuates frequencies below cut off by 12dB per octave HPF IN Switches the high pass filter in or out...

Страница 23: ...channel equaliser can be used to creatively enhance or correctively improve the tonal quality of the sound For example to brighten up a guitar so that it stands out in the mix to cut back the boominess of the kick drum while enhancing the snap of the beater or to notch out a ringing frequency associated with the position of a mic on stage to help increase its gain before feedback Before using the ...

Страница 24: ... They function according to the position of the STEREO switches described below An extra 6dB boost is available STEREO These configure aux 9 12 in pairs for mono or stereo operation In the up position they become independent mono sends In the down position they become stereo pairs with separate level and pan controls For the stereo channels the left and right signals are combined to provide a mono...

Страница 25: ... on their rotary masters Audio Groups These let you route channels to independent outputs mix into the matrix or insert a common signal processor to affect more than one signal for example a compressor on a vocal group 8 Groups are available Route the channel signal by pressing one or more group switches For mono groups set the PAN control to odd or even according to the group you wish to feed For...

Страница 26: ...o L and R PAN and BLEND combine to adjust the balance between the 3 outputs PAN also adjusts the balance between odd and even groups if the GRP PAN ON switch is selected The control has a 3dB attenuation at centre position IDENT STRIP Identifies the channel numbers and provides a write on area The use of low adhesion artist or masking tape is recommended MUTE This momentary action switch turns the...

Страница 27: ...eamp is clipping while signal reads low due to attenuation through an inserted processor VCA GROUP Indicators These LEDs light to show which VCA groups the channel is assigned to The channel can be assigned to more than one group The channel is assigned or removed from a group using the EDIT GROUPS function in the VCA master section The LEDs always show VCA group assignment FADER A 100mm smooth tr...

Страница 28: ...The C output is not used L R C STEREO PA PAN BLEND C LR R L STEREO CENTRE FILL A centre fill speaker is used to reinforce the sound to the first few rows of the audience when the L and R speakers are positioned far apart Start with BLEND fully anticlockwise to set up the main LR mix Then gradually rotate BLEND clockwise to raise the signal in the fill speaker as required It should not be necessary...

Страница 29: ...tem with vocals and key sounds such as kick and bass fed to the main centre cluster and backing instruments fed to the LR stacks This helps the clarity and intelligibility of these sounds Use BLEND to position each sound in the LR or C speakers You can dynamically bring a sound forward by panning it from LR to C For example use this to improve the focus of a backing instrument such as guitar for t...

Страница 30: ... L R With both switches up the selected source is routed through the channel in stereo Press MONO L to select the left input as a mono source Press MONO R to select the right input as a mono source Press both switches to sum the left and right inputs together as a mono source EQUALISER The stereo channel equaliser provides adjustment of 4 independent frequency bands Each has a cut boost control HF...

Страница 31: ... rather than trying to cue up a single player Alternatively this could be used for a backup machine Using Mono Sources The stereo channels can also be used with mono line level sources Plug into either the left or right channel connector and select MONO L or MONO R as appropriate Alternatively use these switches to select one track of a backing or dual track tape where different material is record...

Страница 32: ...in outputs The signal is monitored post level so that the signal feeding the connected equipment can be checked The same capabilities apply as described for the fader master AFL MAIN MIX A single switch routes each group 1 8 signal to the 3 output main mix Select this to create up to 8 subgroups to the main mix Its balance and image within the L R and C outputs is determined by the BLEND and PAN c...

Страница 33: ...eck the channels feeding the mix for correct operating level and reduce the input level if necessary You can use VCA groups to simultaneously control the level of more than one channel Also check inserted processing for correct operating level PFL AFL Monitoring The ML4000 intelligent P AFL system provides the following operating capabilities Mono or stereo AFL Press a single AFL switch to listen ...

Страница 34: ...tor Press mode switches to configure the C fader as the engineers wedge monitor and to configure the number of fader controlled monitor mixes you need up to a maximum of 12 The rest can be used for effects sends Up to 2 stereo mixes can be configured for example when in ear monitor mixing Each mix provides an insert for patching in an equaliser or other signal processing full metering mono or ster...

Страница 35: ... The mute status is always displayed on the switch regardless of operating mode SAFE EDIT This green LED has a different function according to console mode Normal The LED lights when the master has been made safe from the snapshot and MIDI automation Edit Safes Continues to indicate which masters are automation safe while they are edited Edit Groups The LED lights to indicate that the master is as...

Страница 36: ...als are routed pre master level MASTER LEVEL Adjusts the matrix output level from fully off to a maximum boost of 6dB The normal 0 position is marked MUTE This latching switch turns the matrix master signal on or off It is not part of the console mute group and automation system The switch illuminates when the signal is muted AFL Press this switch to listen to the matrix signal in the headphones o...

Страница 37: ...dcast Feeds Use the matrix to create feeds in mono stereo or both It may not be good enough to simply tap off the main console mix especially in smaller venues where the acoustic output from the band back line or orchestra contributes to the front of house sound Here the acoustically strong sounds such as drums bass and guitar may be low in the front of house mix You can compensate for this in the...

Страница 38: ...tained Because the channel post fade sends are affected the reverb level returned elsewhere in the console also follows the group fader movements Stereo groups on one fader Because the level is controlled before the channel pan circuit a single VCA group fader is all that is required to control a stereo or LCR group This would take 2 or 3 faders using audio groups if the channel pan image is to be...

Страница 39: ...s muted The switch also functions as a group select key when in EDIT GROUPS mode or as a safe select when in EDIT SAFES mode The VCA group mute cannot be assigned to a mute group or snapshot memory However channels which have been muted by the group can be stored in the memories PAFL Press this switch to listen to the group signal in the headphones or engineers monitor without affecting the main o...

Страница 40: ...s of the combined 30dB boost It is best to work with the faders around 0 and avoid excessive boost EDIT GROUPS Press this switch to put the console into edit groups mode The red LED flashes to warn that the console is in edit mode Press at any time while the LED is flashing to restore normal operating mode All the VCA group MUTE LEDs and channel SAFE EDIT LEDs turn off when edit mode is first ente...

Страница 41: ...red This means that no group is selected for editing Only one group may be edited at a time The current assignments for the selected mute group are displayed on the channel SAFE EDIT LEDs MUTE GROUP Press one or more of these momentary action switches to mute the channels assigned to them More than one group can be selected at the same time The switch illuminates when the group is selected Press a...

Страница 42: ...rity Channel Safes Explained A channel is referred to as being made safe when it is protected from being overwritten or affected by an automated process Selected channels can be made safe from the automation so that they are not overwritten by the snapshots and MIDI messages This is useful when channel allocations are changed on the fly during a pre programmed show Input and outputs can be made sa...

Страница 43: ...intelligent P AFL system that provides extended monitoring capability The inputs can be selected as mono PFL or stereo in place AFL the outputs as mono or stereo AFL Selection is auto cancel or add mode How the switches are pressed determines if they have a latching or momentary function Together with the wedge monitor capability this gives the engineer total and conveniently quick monitoring of a...

Страница 44: ...headphones or any other earpiece ADD MODE This switch determines how the P AFL system works It selects whether pressing one or more input PAFL switches cancels or adds to the previous selection the same for the output AFL switches It does not affect the how the PAFL and AFL switches interact Auto cancel In its up position auto cancel mode is selected Pressing a PAFL automatically turns off any pre...

Страница 45: ...able the osc noise generator This protects against accidental operation during live performance Using the Osc Noise Generator Start with the TRIM control turned down Select either pink noise or the 1kHz tone as the test signal Check all the TB enable switches are correctly set to route the signal to the required outputs Make sure the DISABLE switch is up flush with the panel Press OSC NOISE TO TB ...

Страница 46: ...hone cable The Intercom Explained A Clearcom compatible interface is built into the console This industry standard intercom system provides two way talk and signal communication so that technicians and stage crew can communicate during set up and performance It uses a three wire connection such as a microphone cable The intercom interfaces with the talkback mic and console headphones system This a...

Страница 47: ...talkback system The input is balanced 48V Press this underpanel switch to assign 48V to the XLR for microphones that require phantom power To avoid loud clicks do not press the TALK TO TB switch while you are switching phantom power on or off or plugging or unplugging the microphone TALKBACK TRIM Adjusts the sensitivity of the input to match the connected talkback microphone The range is 5dB to 50...

Страница 48: ... Standard 4 pin right angled XLR gooseneck Littlites are recommended 16 12 0 3 6 3 12 15 18 9 6 27 30 24 21 9 16 12 12 16 0 3 6 3 12 15 18 9 6 3 6 3 0 9 18 15 12 6 27 30 24 24 30 27 R 21 21 AFL CALL L 9 9 PAFL C MATRIX 4 MATRIX 3 MATRIX 2 MATRIX MATRIX 1 5 20 10 7 3 1 0 3 5 5 20 10 7 3 1 0 3 5 5 20 10 7 3 1 0 3 5 5 20 10 7 3 1 0 3 5 5 20 10 7 3 1 0 3 5 5 20 10 7 3 1 0 3 5 5 20 10 7 3 1 0 3 5 5 20 ...

Страница 49: ...Its large size and position in the meterpod ensure it grabs the attention of the operator when signalled MATRIX Meter Select Press the METERS switch in the master section to switch the right hand VU meters to display the Matrix 1 4 rather than Aux 9 12 output levels The green LED in the meterpod lights when matrix is selected AUX MATRIX VU Meters Illuminated moving coil VU volume unit meters displ...

Страница 50: ...sole MIDI can do 9 Turn channel mutes on and off 9 Recall snapshot memories 9 Snapshot program change messages 9 AFL SysEx messages for BSS dbx controllers 9 Archive console settings and memories What the console MIDI cannot do 8 Turn Mute Groups on and off 8 Turn VCA group mutes on and off 8 Assign channels to VCA groups 8 Control VCA fader levels The capabilities of the console automation system...

Страница 51: ...he Allen Heath Web site for the latest information Standard B versions HEX cc MUTE 32ch 40 48ch 00 GRP AUX 1 GRP AUX 1 GRP AUX 1 01 GRP AUX 2 GRP AUX 2 GRP AUX 2 02 GRP AUX 3 GRP AUX 3 GRP AUX 3 03 GRP AUX 4 GRP AUX 4 GRP AUX 4 04 GRP AUX 5 GRP AUX 5 GRP AUX 5 05 GRP AUX 6 GRP AUX 6 GRP AUX 6 06 GRP AUX 7 GRP AUX 7 GRP AUX 7 07 GRP AUX 8 GRP AUX 8 GRP AUX 8 08 AUX 9 AUX 9 AUX 9 09 AUX 10 AUX 10 AU...

Страница 52: ...me the DUMP and MIDI LEDs light to show that data is being received by the console Note that this operation can take a while during which time the console mute assignment and PAFL operations are interrupted If you are using a MIDI sequencer to record the dump out data string then make sure you play it back at the same speed you recorded it If you dump it back into the console faster than it was re...

Страница 53: ...h back to its normal operating position typically MIDI Power Up and Power Down The console settings are saved when power is removed On power up these settings are restored To Reset the Console Settings Hold down the MIDI CH and EDIT SAFES keys together while turning on the console to reset all current settings This does not affect the contents of the snapshot memories The default settings are rest...

Страница 54: ...54 ML4000 User Guide USER NOTES ...

Страница 55: ... 5 20 10 SIG 0 5 EDIT SAFE PK 6 STEREO PK 0 6 EDIT SAFE AFL 0 PK 0 6 AFL 6 6 5 20 10 0 5 SIG 5 20 10 SIG 5 0 AFL STEREO PK 0 6 AFL EDIT SAFE STEREO PK 0 6 EDIT SAFE AFL LR MUTE L R TB MUTE LR PAN PAN C L R L TB MUTE C LR PAN O BLEND MIX MAIN BLEND LCR LCR O O AFL MIX MAIN BLEND LCR AFL O O O R L R TB TB MUTE PAN C C LR L R MUTE TB LR PAN C AFL MAIN LCR BLEND MIX MAIN MIX AFL O O LCR BLEND MIX MAIN...

Страница 56: ...56 ML4000 User Guide Visit Allen Heath http www allen heath com http www mlseries com ML4000 User Guide ...

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