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ML3000

User Guide

21

EQUALISER

. The channel equaliser provides

adjustment of 4 independent frequency bands.
Each has cut/boost and the mids have frequency
sweep controls. HF and LF are shelving. HM and
LM are peak/dip to affect the chosen band of
frequencies.

HF

The high frequency band has a shelving

response that cuts or boosts the higher (treble)
frequencies by up to 15dB. The shelf turning point
frequency is 12kHz.

HM

The higher mid band has a bell shaped

peak/dip response that cuts or boosts the higher
mid frequencies by up to 15dB. The centre
frequency can be adjusted from 500Hz to 15kHz.

LM

The lower mid band is similar to the high mid

but provides adjustment from 35Hz to 1kHz.

LF

The low frequency band has a shelving

response that cuts or boosts the lower (bass)
frequencies by up to 15dB. The shelf turning point
frequency is 60Hz.

EQ IN

. Switches the equaliser in or out.

Using the Equaliser

The 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 equaliser make sure you choose
the best microphones for the job and place them to
capture each sound accurately. Check and adjust
the channel HPF to filter out unwanted low
frequencies where necessary. If you are working
with the full frequency range make sure the HPF
sweep control is set fully anti-clockwise to turn it off.

Start with the EQ set flat and apply only as much
boost or cut as is needed. The HM and LM bands
have an extended frequency range to overlap the
HF and LF shelves. This allows tighter and more
precise two point control of bass and treble where
needed.

Use the in/out switch to compare the original and
equalised sound. The equaliser has a flat response
and therefore no effect when all the cut/boost
controls are set to their centre detented position.

10k

1kHz

100

30k

-15

-20

10

-10

-5

0dB

+5

+10

+15

+20

HF EQ

10k

1kHz

100

30k

10

LF EQ

10k

1kHz

100

30k

10

500Hz

15kHz

HM EQ

10k

1kHz

100

30k

10

35Hz

1kHz

LM EQ

-15

-20

-10

-5

0dB

+5

+10

+15

+20

-15

-20

-10

-5

0dB

+5

+10

+15

+20

-15

-20

-10

-5

0dB

+5

+10

+15

+20

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Содержание ML 3000

Страница 1: ...USER GUIDE Publication AP4512 Dual Function Live Sound Console ...

Страница 2: ...ornwall TR10 9LU UK http www allen heath com Limited One Year Warranty This product has been manufactured in the UK by ALLEN 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 ...

Страница 3: ...ice please keep a record of your console serial number and date and place of purchase to be quoted in any communication regarding this product The serial number is located on the rear panel Contents Important Safety Instructions 4 Mains Plug Wiring Instructions 5 General Precautions 5 Quick Start Reference Sheet 6 ML3000 Key Features 9 System Block Diagram 10 Technical Specifications 12 Installati...

Страница 4: ...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 5: ...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 6: ...Two controls adjust the balance between L R and C MAIN MIX Routes the channel to the main L R C mix FRONT OF HOUSE or MONITOR Mode Configure the AUX1 4 and WEDGE underpanel mode switches using a pen or pointed object How VCA Groups Work No audio passes through a VCA group The channel signal routes direct to the main mix A VCA replaces the channel fader The VCA is controlled by a voltage from the c...

Страница 7: ...PSHOTS TB GRP AFL TB L MIX R MIX C MIX ML3000 BLOCK DIAGRAM GRP 1 GRP 2 L R GRP 3 GRP 4 C LEVEL ON BAL OUT AFL AFL MATRIX MATRIX AFL PFL 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 WEDGE MON TB DIM AFL MIX PFL MIX L METERS R METERS C METERS METERS 1 4 METERS 5 8 METER SELECT GRP AUX MATRIX MONITOR TRIM 48V TB MIC TALK TO TB OSC NOI...

Страница 8: ... AUX GRP AUX GRP AUX O O 6 6 O O AFL O O 6 O O 6 O O 6 O O 6 O O 6 O O 6 C 4 R L 3 2 1 O O 6 LEV 6 O O AFL O O 6 O O 6 O O 6 O O 6 O O 6 O O 6 C 4 R L 3 2 1 O O 6 LEV 6 O O AFL O O 6 O O 6 O O 6 O O 6 O O 6 O O 6 C 4 R L 3 2 1 O O 6 LEV 6 O O AFL O O 6 O O 6 O O 6 O O 6 O O 6 O O 6 C 4 R L 3 2 1 ON ON ON ON PHONES 10 0 TALK TO TB TB TO LR TB TO C max min 48V TRIM TALKBACK MIC IN max min TRIM PINK ...

Страница 9: ...els 24 32 40 48 mono mic line inputs with inserts and direct outputs 2 dual stereo line inputs standard 6 optional Sys Link option to link consoles for more channels Main Left Right and Centre outputs with inserts Centre configurable as the engineers monitor 4 Groups 8 Auxes Group Aux 1 4 and Aux 5 8 with faders and inserts Aux 1 4 with rotaries Aux 7 8 configurable as mono or stereo with level an...

Страница 10: ...Q IN 4 BAND EQUALISER METER POST EQ PRE EQ BAL BLEND MAIN MIX L R LR C PEAK LCR PRE FADE POST FADE PRE POST MUTE PRE FADE AUX OPTION LINKS PRE STEREO CHANNEL MUTE FADER PFL MUTE GROUPS VCA GROUPS VCA SNAPSHOTS PFL L MIX R MIX C MIX GAIN R L M INPUT ST1 3 ON ON MONO LM HM HF L R M L R M PFL L MIX R MIX C MIX HM HPF FREQ FILTER GROUP ASSIGN GRP 1 GRP 2 GRP 3 GRP 4 PRE AUX7 AUX8 AUX7 AUX8 LEV 7 8 STE...

Страница 11: ... C MIX MASTER TB GRP AFL TB L MIX R MIX C MIX ML3000 BLOCK DIAGRAM GRP 1 GRP 2 L R GRP 3 GRP 4 C LEVEL ON BAL OUT AFL AFL MATRIX MATRIX AFL PFL 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 WEDGE MON TB DIM AFL MIX PFL MIX L METERS R METERS C METERS METERS 1 4 METERS 5 8 METER SELECT GRP AUX MATRIX MONITOR MONITOR SOURCE BAL AUX OUT ...

Страница 12: ... Case External 3U rack or floor mount Type Linear convection cooled Mains Voltage 100 120 220 230 V AC selectable Mains Frequency 50 60Hz Power consumption 300W Dimensions Width Depth Height 24 Channel 1141 45 640 25 2 252 9 9 32 Channel 1396 55 640 252 40 Channel 1651 65 640 252 48 Channel 1906 75 640 252 RPS11 psu 483 19 229 9 134 3U RPSD2 483 19 180 7 45 1U Weights 24 Channel 34 kg 75 lbs 32 Ch...

Страница 13: ... Guide AP2263 RPSD2 combiner User Guide AP4511 ML3000 Service Manual AL4061 Gooseneck lamp 18 Installation Details Weights 24 Channel 34 kg 75 lbs 32 Channel 41 kg 90 lbs 40 Channel 48 kg 106 lbs 48 Channel 55 kg 121 lbs RPS11 psu 9 5 kg 21 lbs Refer to the power supply user guide for safety and installation instructions Heed all warnings printed in the user guide and on the power unit Refer to th...

Страница 14: ... 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 To avoid loud pops in the speakers make sure that the connected power amplifiers are turned off before switching the console on or off WARNING To avoid damage to the spe...

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: ... operating at nominal 0dBu or 4dBu The C output is available as the engineers wedge monitor feed when the front panel mode switch is selected Note The GRP and AUX signals always remain on their respective connectors regardless of the setting of the front panel REVERSE switches OUTPUT INSERTS Each of the L R C Matrix 1 4 and 8 small fader paths has a pre master fader insert point These are TRS jack...

Страница 17: ...confusion with the 3 pin audio connections SYS LINK EXPANDER OPTION The console is provided with blanking plates fitted as standard The ML3000 Sys Link option kit is available from Allen Heath It is fitted by removing the base blanking plates and plugging in the circuit cards provided Fitting instructions come with the kit Two pairs of 37 pin and a pair of 9 pin D connector sockets allow two conso...

Страница 18: ...AFL GRP 4 32 AUX 1 31 AUX 2 30 AUX 3 29 AUX 4 28 AUX 5 27 AUX 6 26 PFL 25 24 nc 23 nc 22 nc 21 nc 20 14 GRP 3 15 GRP 2 16 GRP 1 17 R 18 L 19 0V CHS GRP 3 33 GRP 2 34 GRP 1 35 R 36 L 37 13 12 AUX 7 11 AUX 8 10 9 8 nc 7 nc 6 nc 5 nc 32 AUX 7 31 AUX 8 30 29 28 27 26 25 24 14 15 16 17 AFL L 18 C 19 0V CHS 33 34 35 AFL L 36 C 37 nc 23 nc 22 nc 21 nc 20 4 nc 3 nc 2 nc 1 nc ...

Страница 19: ...LR 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 connecting directly to a sensitive power amplifier it is advisable to turn down its input trim control if the normal console level is too high Simply turning down the console output fader...

Страница 20: ...the polarity of the input signal This is used to correct reverse 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 from off to 400Hz to reduce low frequency source noise The filter attenuates frequencies below cut off by 12dB p...

Страница 21: ...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 equaliser make sure you choose the best microphones for the job and place them to capture each sound accurately Check and adjust the channel HPF to fil...

Страница 22: ...ction according to the position of the STEREO switches described below An extra 6dB boost is available STEREO This configures aux 7 8 for mono or stereo operation In the up position they become independent mono sends In the down position they become a stereo pair with separate level and pan controls For the stereo channels the left and right signals are combined to provide mono feeds when the swit...

Страница 23: ...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 Four groups are available Route the channel signal by pressing one or both group switches For mono groups set the PAN control to odd or even according to the group you wish to feed For stereo position the PAN con...

Страница 24: ...al routes equally to L and R PAN and BLEND combine to adjust the balance between the 3 outputs PAN affects the group routing It adjusts the balance between odd and even groups 1 2 and 3 4 The control has a 3dB attenuation at centre position PAN adjusts the relative level of the left and right signals of the stereo channels MUTE This momentary action switch turns the signal on or off illuminating w...

Страница 25: ...oud moments lighting 6 Select PAD if the signal is still too high with gain turned down Reduce the gain if the signal meter red PK LED lights It may be necessary to re adjust the gain if changes are made to the equaliser or inserted signal processing If the PK LED lights with channel meter reading low then check the channel for correct gain structure in particular the equaliser and inserted equipm...

Страница 26: ...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 27: ...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 28: ... off Source A and B are mixed together when A ON and B ON are both pressed No source is selected if both switches are off MONO Press this switch to sum the left and right signals together as a mono source EQUALISER The stereo channel equaliser provides adjustment of 4 independent frequency bands Each has a cut boost control HF The high frequency band has a shelving response that cuts or boosts the...

Страница 29: ...ffects players such as MiniDisc to the same stereo channel This lets you handle quick fire cues using two machines 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 press the MONO switch You can also mono a st...

Страница 30: ...ignal in the headphones or engineers monitor without affecting the main outputs The signal is monitored post level so that the signal feeding the connected equipment can be checked MAIN MIX A single switch routes each audio group 1 4 signal to the 3 output main mix Select this to create up to 4 subgroups to the main mix Its balance and image within the L R and C outputs is determined by the BLEND ...

Страница 31: ...chable pre or post fader on rotary masters for effects and a further 4 auxes on faders for more effects monitors and special feeds Two of these can be configured as a stereo send The groups can be mixed to the 4 matrix outputs If you do not need fader control or inserts on all 4 groups then you can press the mode switches to configure fader controlled aux sends with inserts Stage Monitor Press mod...

Страница 32: ...onventional way Using the Engineers Wedge Monitor It is best to use the same type of monitor speaker as provided on stage This lets the engineer hear the sound as the performer hears it Select the underpanel WEDGE MODE switch to configure the C output as the engineers wedge monitor Use the insert to patch in any processing required for example an EQ to preview changes in the monitor before applyin...

Страница 33: ...ixes to the under balcony centre side and rear fill speakers The fill speakers should be delayed to acoustically align the signal with the stage so keeping the listener focussed on the source of the sound They would also be equalised to aid intelligibility without distracting the listener from the source Use the matrix INSERT sockets to patch in the external signal processing This lets you check t...

Страница 34: ...e is maintained 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...

Страница 35: ...select key when in ASSIGN 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 VCA GROUP FADER The fader adjusts the level of all channels assigned to the group The 0 position is referred to as the nominal operating setting At this position the channel levels are as marked on the channel fade...

Страница 36: ...on the channel GROUP ASSIGNED LEDs next to the faders 3 4 Press the channel MUTE keys 4 to toggle the channels in or out of the group This does not affect the channel mute status which remains as it was before assign mode was entered 5 Press another master MUTE key 2 to select a different group to edit 6 When you have finished press the ASSIGN key 1 again to exit assign mode To VIEW a Group 1 Pres...

Страница 37: ...ettings These can be recalled for scene or song changes during live performance Patch changes can be linked to external sequencers and effects devices using MIDI for sophisticated show control and archiving of the memories Memory data is retained on power down Recalling a snapshot does not turn off any mutes which have been turned on by the Mute and VCA groups The groups always take priority The c...

Страница 38: ... the meters LR SOURCE Press this switch to listen to the main post fade LR output in stereo It is overridden by the 2TRK and P AFL selections C SOURCE Press this switch to listen to the main C centre output in mono As with LR it is overridden by the 2TRK and P AFL selections LCR Press LR and C together to monitor a 3 output LCR system in stereo This mixes the C signal equally into L and R MONO Pre...

Страница 39: ... 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 to r...

Страница 40: ... 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 50dB gain TB TO LR Press this ...

Страница 41: ... the Meterpod to illuminate the control surface Meter Types Both VU and LED bar types of meter are provided on the ML3000 This gives you the best of both average and peak metering VU Meter The VU volume unit meter is an established standard for measuring audio signals Unlike LED meters it is easy to read under all lighting conditions This makes it well suited to outdoor festival work It has reason...

Страница 42: ...trol switching of signal processing remote controllers and archiving of the console settings and memories for later re use What the console MIDI can do 9 Turn channel mutes on and off 9 Store and recall snapshot memories 9 Snapshot program change messages 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...

Страница 43: ...DI channel number pp console snapshot number 00H to 7FH Standard B versions HEX cc MUTE 24 32ch 40 48ch 20 CH 1 CH 1 CH 1 21 CH 2 CH 2 CH 2 22 CH 3 CH 3 CH 3 23 CH 4 CH 4 CH 4 24 CH 5 CH 5 CH 5 25 CH 6 CH 6 CH 6 26 CH 7 CH 7 CH 7 27 CH 8 CH 8 CH 8 28 CH 9 CH 9 CH 9 29 CH 10 CH 10 CH 10 2A CH 11 CH 11 CH 11 2B CH 12 CH 12 CH 12 2C CH 13 CH 13 CH 13 2D CH 14 CH 14 CH 14 2E CH 15 CH 15 CH 15 2F CH 16...

Страница 44: ...how that data is being received by the console Note that this operation can take a while during which time the console mute and assignment 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 recorded some data may not load correctly M...

Страница 45: ... Down The console settings are remembered when power is removed On power up these settings are restored To Reset the Console Settings Hold down the ASSIGN and VIEW keys together while powering up the console to reset all current settings This does not affect the contents of the snapshot memories The default settings are restored Selects normal console operating mode Clears all current Mute Group a...

Страница 46: ...46 ML3000 User Guide USER NOTES ...

Страница 47: ...UTE GRP AUX GRP AUX GRP AUX OO 6 6 O O AFL OO 6 OO 6 OO 6 OO 6 OO 6 OO 6 C 4 R L 3 2 1 OO 6 LEV 6 O O AFL OO 6 OO 6 OO 6 OO 6 OO 6 OO 6 C 4 R L 3 2 1 OO 6 LEV 6 O O AFL OO 6 OO 6 OO 6 OO 6 OO 6 OO 6 C 4 R L 3 2 1 O O 6 LEV 6 O O AFL O O 6 O O 6 O O 6 O O 6 O O 6 O O 6 C 4 R L 3 2 1 ON ON ON ON PHONES 10 0 TALK TO TB TB TO LR TB TO C max min 48V TRIM TALKBACK MIC IN max min TRIM PINK NOISE 1kHz OSC...

Страница 48: ...48 ML3000 User Guide Visit Allen Heath http www allen heath com ML3000 User Guide ...

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