MLA-1460 - Billebro
Contents
1. 4 passive units to one sub unit as shown below For multiple arrays connect each group of 4 passive units to one sub unit No more than 4 passive units may be connected to a single sub Use the supplied IEC lead to connect to mains ensuring correct voltage and power capacity Connect signal input via XLR connect to LINE input not to be confused with RS 485 input To continue the signal onto further units connect from the XLR LINE output Ex EE Pd d Jh dl mn X Power Input Signal Input d U C D 171 220 User Manual dli citronic Active Amplifier Module with DSP The internal amplifier in the sub unit is optimized for use in conjunction with the 4 passive array speakers with built in stepless variable fan cooling overload protection and short circuit protection The rear panel features a power switch and single rotary volume control with PEAK LED If this LED lights more than momentarily the amplifier is liable to clip and the volume control should be reduced until the PEAK LED lights only for an instant each time Input signal is processed via a DSP circuit for dynamics and EQ control helping to protect the system and tailor the tonal response to the venu2. comprising various function buttons Clicking on any of these buttons opens the parameters on the right side of the frequency chart which can be adjusted via further buttons and drop down menus INPUT PEQ 1 2 2 x Parametric Equalizer High cabinets high pass filter High cabinets low pass filter Sub cabinets high pass filter Sub cabinets low pass filter HIGH OUTPUT PEQ 1 6 High cabinets 6 band Parametric Equalizer LOW OUTPUT PEQ 1 6 Sub cabinets 6 band Parametric Equalizer High cabinets output level LOW OUTPUT LEVEL Sub cabinets output level COMPRESSION amp LIMIT Overall dynamics compression and limiting High cabinets time delay corresponding distance in metres and ft inches displayed Sub cabinets time delay corresponding distance in metres and ft inches displayed Adjustment of the above parameters is represented by corresponding changes on the frequency curve display Combined equalization curves are shown on the EQ page and combined crossover curves are shown on the HPF LPF page 171 220 User Manual ibi citronic Program Management Once adjustment of the program parameters is complete as required the current displayed settings can be stored as a file to PC for future use On the menu bar click File and Save as and browse to the preferred directory and name the file to save for future reference This can be repeated for many versions of the program with different settings if required
3. manner that may cause injury e Ensure adequate access to controls and connections Cleaning e Use a soft cloth with a neutral detergent to clean the casing as required e Use a vacuum cleaner to clear ventilation grilles of any dust or debris build ups e Do not use strong solvents for cleaning the unit 171 220 User Manual dli citronic Introduction Thank you for choosing the Citronic MLA 1460 active line array system This self contained unit can operate independently or as part of a larger system to provide accurate full range sound reproduction for applications as diverse as theatre conference live music venues and houses of worship Please read and follow the instructions in this manual to achieve the best results and avoid damage through incorrect usage Description The MLA 1460 is a self contained active speaker system which combines an active 2 x 12 subwoofer with a group of 4 arrayed mid top cabinets The power amplifier section is housed in the subwoofer unit which in turn is linked to power the 4 mid top cabinets Each mid top cabinet houses a pair of 6 low mid drivers single 6 high mid driver and a precision ribbon tweeter for high frequencies and is engineered to provide a focused vertical output with a very wide dispersion for maximum horizontal coverage The input signal is fed via a digitally controlled EQ and dynamics processor to maximize efficiency in the system and enable frequency adjustment to tailor the output
4. to suit the venue or application Connection to a PC gives access to the DSP processor using the supplied software CDROM allowing bespoke programming of the response and tone characteristics of the sub and array Various installation methods are possible with the custom designed mounting flying frame depending upon the building or surroundings and can be combined to provide modular arrays or multi point sound reinforcement for larger areas Components Due to the size of the components the MLA 1460 is supplied in 6 individual cartons Please check that you have all 6 cartons and check the contents when opening the packaging If any components are missing or damaged contact your dealer immediately The package should contain e Cartons 1 2 3 and 4 are passive line array mid top cabinets e Carton 5 is the active subwoofer unit e Carton 6 is the mounting flying frame Also included should be the following Packet of fixing hardware PC Software CDROM Mains lead RS 232 cable USB cable 4 x Speaker link leads 171 220 User Manual Assembly citronic The MLA 1460 may be assembled as a single vertically flown array inverted as a floor standing stack or combined into a multiple array Assembly for standard flown orientation is shown below 1 M8 locknut Secure the 4 U rings to the flying frame Each must be securely fixed using the appropriate hardware to ensure that there is no movement of the fixing or possibility of b
5. These files can later be loaded into the software from PC memory by clicking File and then Open browsing to the relevant file To load the current program from the software to the MLA 1460 click Program and select Save As Current Program In Device The drop down menu offers the choice of program numbers to save to HE L 1 factory default 7 line array CT T peo px COMPRESSOR amp LIMITER _ HPF LPF peo px Program Save As 20 dB Program Save as JP Program mi 8 Peaking x Frequency 315 0Hz Q Factor Bandwidth 0 77 1 30 ZB Level 3 0dB 20k Hz gt Program Data Transfered OK To recall program s stored in the MLA 1460 click Program and select List Program amp Recall A list of internal programs will appear click Recall to load the required program into the software J mE L irrent Des L factory default vice line array Level DELAY werner Treo weve 2n x COMPRESSOR amp LIMITER erer PER ever List Program Program No 1 Recall Program No 2 Recall 20 dB Program No 3 2 Recall Program No 4 Recall Peaking Program No 5 Recall zs Frequency 315 0Hz Program No 6 Recall Q Factor Bandwidth 0 77 1 30 Level 3 0dB 20k Hz gt Program Data Transfered OK 171 220 User Manual ibi citronic Device Information For each MLA 1460 connected to the PC the ID number and Device Name
6. be disconnected from the PC g Active speaker controller gt line array COMPRESSOR amp LIMITER HPF LPF Pea LEVEL _ HIGH OUTPUT PEQ 20 dB Type Peaking v Frequency 315 0Hz Q Factor Bandwidth 0 77 1 30 Level 3 0dB 20k Hz gt Program Data Transfered OK 171 220 User Manual dli citronic Technical Information Frequency Response amp Impedance Graph Sub Cabinet 110 T 100 AUR n Sensitivity dB Frequency response curve with control Frequency response curve without control Impedance curve T Ld X J 1 app Impedance Ohms Sensitivity dB 20 50 100 200 500 lk 2k 5k 10k 20k Frequency Hz 171 220 User Manual dli citronic Specifications 230Vac 50 60Hz IEC 45Hz 300Hz 35Hz 600Hz 92dB 122dB 128dB PEAK 900Wrms 2 x 300mm 12 730 x 630 x 508mm 55kg Sub Unit Side view a 630mm e 24 80in Front view 30mm H 28 7 4in 720mm n eue 28 351 Top view 171 220 User Manual Mid top Array Cabinet 730mm 28 74in Top view i Front view 720mm 28 35in Back view 4imm 1 59in Side view 363mm l 14 29in 78mm amp 3mim 3 27in 6 85in citronic Errors and omissions excepted Copyright 2012 AVSL Group Ltd 171 220 User Manual
7. can be edited from the software editor Click on the Device tab and select Edit Current Device Information Note Device ID is limited from 1 to 10 allowing up to 10 devices to be addressed separately connected in a group via RS 485 to the PC Device name is limited to 14 ASCII characters pi 1 Curre Device ID 1 am Name factory default rrent Device Name line array LINE INPUT Tr Pea EVEL gt COMPRESSOR amp LIMITER d fx Ro Device information HIGH OUTPUT PEQ ID 1 range 1 10 20 dB Name ine array a 78 Type Circa Peaking Frequency 315 0Hz Q Factor Bandwidth 0 77 1 30 Level 3 0dB 20k Hz Program Data Transfered OK Program Name To change the current program name click on the Program tab and select Edit Current Program Name and type in the new program name 4 ent Device ID 3 my modified program 3 vice N line array3 As a rn COMPRESSOR amp LIMITER Edit Program Name Type 20 4B gad L rworth v my modified program 3 llency Cancel Filter Type 36dB Butterworth Frequency Off 20k Hz gt Program Data Transfered OK 171 220 User Manual ibi citronic Disconnecting If it is decided not to save the edited program to the MLA 1460 click Communications tab and select Disable Communications and the MLA 1460 internal program will remain unchanged and can now
8. e or particular application A CDROM is included containing PC editing software for the MLA 1460 processor section Connection to a PC can be made using USB RS 232 or RS 485 See Software Application Guide for further information let citronic CONNECTION MLA I460 CAUTION DO NOT OPEN NO USER SERVICABLE PARTS INSIDE RISK OF ELECTRIC SHOCK CEX OO Item ref 171 220 www avsl citronic com GQ c V c 4 E io gt EZ zx gt x PEAK VOLUME bo P ad Q e 1 2 3 4 5 678 9 10 Power switch IEC mains inlet Mains fuse replace only with approved type Speaker output connectors pin 1 hot pin 1 cold parallel linked USB port RS 232 port 9 pin D connector RS 485 input output digital XLR Rotary VOLUME control PEAK LED indicator O LINE signal input output XLR E Ud uo rM od ses DIES 171 220 User Manual dli citronic Software Application Guide The MLA 1460 is supplied with a CDROM containing software This software is also available for download from www avsl citronic com product 171 227UK System Requirements PC running Microsoft Windows XP or above Display resolution 1024 x 768 or above USB or RS 232 port Connection to PC e Connect directly to PC via USB using the supplied cable The PC will find a new device prompting the computer to look for driver software The driver file is included on the CDROM Browse to the Driver directory e If USB connection is n
9. ecoming unfastened through movement or vibration and should be suspended from a permanent fixing in the ceiling which is adequate for holding the weight of the complete line array Securely attach the flying frame to the upper sub by connecting the M8 locknuts through the sub pulling plate at the front edge and connecting the array bracket on top of the sub to the central brace of the flying frame To connect an array cabinet underneath the sub cabinet detach the ball catch bolt from the front pulling plate and align with the bottom of the sub pulling plate on each side and replace the bolt through both Connect the Passive Active Link bracket from the bottom of the sub cabinet to the rear of the topmost array cabinet Connect further array brackets below via the front pulling plates and connect at the rear with rear angle adjustment brackets Angle adjustment is explained in the Installation section Assemble the array as shown below Flying frame i 9 18 A 7 v e 6 Mid top rear angle adjustment Mid top pulling plate 171 220 User Manual citronic Installation Single Flown Array For standard single flown array installation is executed using 4 eyebolts attached to each corner of the flying frame Fixings should be the strongest possible type for the substrate or ceiling supports to ensure a fail safe installation Suspension via wire rope or steel cables each with a break
10. evice 171 220 User Manual aot citronic Once the MLA 1460 device is detected a Device Select window will appear as shown here peo COMPRESSOR amp LIMITER Select ed Current Device Information ID 1 Name line array 20 dB Data Configuration Upload Program Data From Device None Download Program Data To Device Frequency Q Factor Bandwidth Level 20k Hz Search device Connected devices are listed on the left showing the ID number The current selected device ID number is displayed on the left hand side In multiple array setups each must be allocated an individual ID number if they are to be controlled separately To load the current internal program from the MLA 1460 into the software for editing select Upload Program Data From Device If the program currently held in the software is to be loaded into the MLA 1460 select Download Program Data To Device Select the required device by clicking on it on the right hand side of the window and click Connect The current program status will populate the control window as shown below y Active speaker controller HIGH OUTPUT PEQ 20 dB Ki Type Frequency 315 0Hz Q Factor Bandwidth 0 77 1 30 Level 3 0dB 20k Hz gt Program Data Transfered OK 171 220 User Manual dli citronic Signal Processing Functions The upper half of the control window shows a signal flow chart
11. ing strain of no less than 400kg is recommended per single line array system In some situations it may be easier to suspend the sub unit first and then assemble line array speakers below it ensuring that the weight of each is adequately supported before securing to the array Mid top rear angle adjustment bracket top L V mE Mid top rear angle adjustment bracket bottom AX uu Once assembled the line array can be curved to address the listening field by selecting various angle points on the rear angle adjustment brackets provided The angle chosen depends largely upon the distance from the audience and the acoustic environment but should be adjusted so that each array speaker unit is vertically focused to evenly distribute the output across the listening field Each Passive Back Link bracket has numbered lines for tilt in degrees Whilst supporting the weight of the passive speaker use these lines to align the correct fastening hole for the degree of tilt required for each component in the array 171 220 User Manual Multiple Flown Array For multiple flown line array installation is similar to that of a single array with sub cabinets coupled together and passive units all flown in a single longer array With the uppermost sub unit attached to its flying frame secure the 4 eyebolts for flying the array Subsequent sub units can be attached underneath the topmost sub cabinet by connecting together the front
12. it citronic MLA 1460 Active Line Array Item ref 171 220 User Manual www avsl citronic com an ens group brand dli citronic Warning To prevent risk of fire or electric shock do not expose any of the components to rain or moisture If liquids are spilled on the amplifier panel stop using immediately allow unit to dry out and have checked by qualified personnel before further use Avoid impact or dropping of the cabinets No user serviceable parts inside Do not open the case refer all servicing to qualified service personnel Safety e Ensure all fixings are secure and adequate for supporting the weight of the MLA 1460 e Ensure that the power cord is in good condition and adequate for the power rating e Check for correct mains voltage and condition of IEC lead before connecting to power outlet e Ensure speaker link leads are good condition with no short connections or damaged plugs e Connect no more than 4 mid top array cabinets to one active sub unit e Avoid constant overload of the unit indicated by constant lighting of the PEAK LED e Do not allow any foreign objects to enter the case or through the speaker grilles e Incase of failure of the MLA 1460 disconnect from the mains and check fuse If fault repeats refer to qualified service personnel Placement e Keep amplifier panel out of direct sunlight and away from heat sources e Avoid damp or dusty environments e Ensure that the MLA 1460 is not positioned in a
13. ot available serial port link can be made from the RS 232 input on the rear panel using the supplied D connector lead again requiring driver installation from CDROM e For PCs with an RS 485 interface using XLR connection this can be used to connect from the PC to the MLA 1460 and passed from one MLA 1460 to another using the RS 485 output connector Software Operation Install the software Active Speaker Controller exe from CDROM or download and run from the start menu or desktop shortcut The user interface window will appear as shown below NULL NULL LINE MN E Derav p e COMPHESSOH amp LIMITEH CAEN NE eve ETE ever LINE INPUT PEQ Filter Type 2 Q Factor Bandwidth Level 171 220 User Manual ibi citronic Menu Bar Description File T Communications Program Device Help Open files from Enable or Disable Display Current Program No Modify Software PC memory Communications device version and Save current from PC to MLA 1460 information information configuration as Configure Serial if MLA 1460 a file to PC Port to be used connected Communication Once connected to PC click the Communications tab and select Enable Communications d COMPRESSOR amp LIMITER 20 dB Filter Type EB None 2 Frequency Q Factor Bandwidth Level 20k Hz COMPRESSOR amp LIMITER LINE INPUT PEQ Type ES None 2 Frequency Q Factor Bandwidth Level Search d
14. pulling plates and the upper and lower array brackets Connection of passive units from the bottom sub unit is executed in the same way as for a single line array with each group of 4 passive units linked in a single line array Split Array citronic The flying frame can also mount directly to the mid top array cabinets via the front edge pulling plates and connecting the Passive Active link directly from the rear of the topmost array speaker to the centre brace of the flying frame Sub units can then be floor standing and linked to 4 array cabinets each with longer cables Floor standing Stack Where flying or ceiling mounting is not possible it may be useful to arrange the MLA 1460 as a free standing stack on the floor or on a stage In this orientation the sub unit sits on its flying frame on the floor and the passive units are splayed upwards above the sub unit Prior to assembly do not attach the 4 eyebolts to the flying frame If the frame is likely to damage the floor surface protect with rubber or other scratch resistant material or it may be preferred to mount the frame on castors for portability Assemble passive units above the sub in the same manner as for a standard flown array shown above but inverted Splayed angle adjustment may be used for venues with raised rear seating areas e g theatres 171 220 User Manual citronic Connection Using the supplied speaker leads connect
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