Sound Projects SP20-Linex Operation Manual Download Page 7 | Manualshive

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Step 5: Connecting enclosure fronts

Connect the fronts of the cabinet.

Step 6: Set the angles at the back of the cabinets

Set the angles at the back of the cabinets, connect the audio-lines and lift the array

Continue from step 4 until the complete array is finished

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Summary of Contents for SP20-Linex

Page 1: ...O U N D P R O J E C T S O OP PE ER RA AT TI IO ON N M MA AN NU UA AL L S SP P2 20 0 L LI IN NE EX X SOUND PROJECTS Karperweg 16 1317 SN Almere The Netherlands Phone 31 0 36 53 94 570 Fax 31 0 36 53 00 578 ...

Page 2: ...yellow All the important notes regarding the immediate safety or injury of persons and or damage to the product are highlighted in red Like any high performance tool your Sound Projects system needs regular maintenance Check all bolts and nuts of touring systems at least once a year Clean foam grille and cabinet openings with vacuum cleaner and compressed air to remove excessive dust ...

Page 3: ...AL SAFETY GUIDELINES 33 8 MAINTENANCE 33 9 COMPONENTS AND SYSTEM SPECIFICATIONS 34 10 DECLARATION OF CONFORMITY 36 List of Figures FIGURE 4 1 PROJECT INFO PAGE SCREENSHOT 12 FIGURE 4 2 MAIN INTERFACE PAGE SCREENSHOT 12 FIGURE 5 3 TYPICAL LINEX BLOCK DIAGRAM 14 FIGURE 5 4 LINEX CONNECTION EXAMPLE 15 FIGURE 6 1 EASY RIG FLY FRAME WITH 3 SP20 LINEX CABINETS AND RIGGING ACCESSORIES 21 FIGURE 6 2 SP20 ...

Page 4: ...arameters for your Linex rig Carry a printout of the technical parameters for easy reference A laptop computer with the project info is recommended to modify unexpected changes at the venue Step 0 Connect the single hoist adapter to the fly frame optional Connect the single hoist adapter to the fly frame Step 1 Connect motor hoist to fly frame Connect the motor hoist s to the lifting point and til...

Page 5: ...t the fly frame at the lifting point together with the first cabinets out of the flight case Step 3 Set the angles of the cabinets IMPORTANT ALWAYS make sure the quick release pins are well in place and locked Set the angles at the back of the cabinets and connect the audio line ...

Page 6: ...flight case Place the angle setting pin at the 0 degree angle to fix the slide bar during lifting Fix the back connector of the lower cabinet in the array at 0 degrees IMPORTANT Do not stand in front of the array when hoisting When cabinets are freed from the ground they may cause the array to swing forward Lift the array out of the flightcase ...

Page 7: ...onts Connect the fronts of the cabinet Step 6 Set the angles at the back of the cabinets Set the angles at the back of the cabinets connect the audio lines and lift the array Continue from step 4 until the complete array is finished ...

Page 8: ... a conventional system While conventional system will almost inevitably cause harmful interference when using more than one system a well designed line array has the advantage of better acoustic energy distribution towards the projected area Although it s a misconception that with a line array no interference will occur Due to it s tight spacing of the omni directional MF and LF sources most of th...

Page 9: ... to top Additional front fill can still be used however often not necessary The requested SPL and venue shape e g arena type or flat field largely determine the angle settings within the array If the variation in audience distance is large e g flat floor minimal j shaping of the array may be needed to achieve a more even loudness throughout the field and to compensate for the losses due to air att...

Page 10: ... be spaced 6 7 meters approximately 20 ft away from the first array Given this separation interference only occurs in the low frequency range Hence there are no audible intelligibility losses The first major cancellation is shifted lower in frequency band and tends to be masked or filled in by room reverberation example 28 Hz for 2 arrays of the same size spaced 6 metres Additionally focussing the...

Page 11: ...Microsoft Excel needs to be installed on the workstation on which SPArC is used SPArC uses several Visual Basic based program structures therefore the macro use in excel must be enabled Furthermore be careful no to alter any cells that are not intended to be altered by the user otherwise the program might not function correctly The use of SPArC is concentrated into two work maps the project info p...

Page 12: ...vertical array coverage In addition several automatic configuration algorithms can be used Auto and manual configuration When the auto configuration is turned on the graph at the Main interface page corresponds with calculated angle settings SPArC uses the data on the Project info page to calculate a near to optimum array shape It is recommended by SP to use an array shape as close as possible to ...

Page 13: ...ts to the top end of the array For more related notes on array shape configuration see the array configuration section of this manual The automatic calculation for the angle settings does not take fully into account the above arguments because such coverage issues are too venue specific to decide upon via simple algorithms A sound technician should therefore review the automatic array settings Gro...

Page 14: ...ted in parallel Hence two amplifiers are needed to drive one two three or even four Linex cabinets depending on the used amplifier current supply capabilities From the amp rack one cable of minimal but sufficient length shall be connected to a Linex cabinet Short integrated linking cables then connect additional cabinets in parallel to the first A typical block diagram for a Linex system set up an...

Page 15: ...V1 22 Owners Manual SP20 Linex 15 figure 5 2 Linex connection example ...

Page 16: ...Impedance LF 1 Conductor pair 1 8 Ω LF 2 Conductor pair 2 8 Ω MF Conductor pair 3 8 Ω HF Conductor pair 4 16 Ω table 5 2 Connector wiring 5 3 Signal processing In general all array elements each Linex cabinet of a single array has to be fed with the same program material the same amplifier gain controller limiter and EQ settings to ensure coherent behaviour of the line array General guidelines SOU...

Page 17: ... 2 CSP 15 1 2 4 CSP 14 1 2 4 CSP 13 1 2 4 CSP 12 1 2 4 CSP 11 2 4 5 CSP 10 2 4 5 CSP 9 2 4 5 0 distance 120m 8 3 4 5 0 distance 70m 7 3 6 5 0 distance 70m 6 5 6 5 0 distance 40m 5 5 7 7 0 distance 40m 4 6 7 9 0 distance 20m 3 7 8 9 0 2 0 0 0 0 1 0 0 0 0 table 5 3 Recommended controller settings for LINEX It is strongly recommended to use these recommended settings otherwise proper use is not guara...

Page 18: ...pplications they can be over or underpowered Proper amplifier selection requires a considered analysis for the particular application Recommended amplifier power table for SP20 Linex 1 Cabinet 2 Cabinets 3 Cabinets 4 Cabinets 3 p4 HF 300 W 16 Ω 600 W 8 Ω 900 W 5 3 Ω 1200 W 4 Ω p3 MF 600 W 8 Ω 1200 W 4 Ω 1800 W 2 7 Ω 2400 W 2 Ω p2 LF1 1200 W 8 Ω 2400 W 4 Ω 3600 W 2 7 Ω 4800 W 2 Ω p1 LF2 1200 W 8 Ω ...

Page 19: ...e To safeguard against driver damage it is recommended common practice to always use a limiter on all channels Limiter settings have to be determined each time according to the specific use of the PA system Power handling table 1 Cabinet p4 HF 50 Vrms long term 150 W 16 Ω p3 MF 50 Vrms long term 300 W 8 Ω p2 LF1 50 Vrms long term 300 W 8 Ω p1 LF2 50 Vrms long term 300 W 8 Ω table 5 5 Max RMS Power...

Page 20: ...end on the type of sound material which is used If not set correctly they degrade sound quality and proper limiter operation The effect of the limiter on music quality can be checked by a sound technician by turning the amplifiers low and turning the input signal up into limiting some limiters have a special limiting mode As an example timescales are listed They are however merely an example and m...

Page 21: ...nd tilt bar motor hoists transport flight cases and qualified rigging personnel 6 1 Safety Guidelines The workload limits WLL as specified in this manual of SOUND PROJECTS rigging accessories have been designed with a safety factor 10 This is well above the European guidelines for lifting machinery Other safety guidelines are given throughout this paper It s the users responsibility that all safet...

Page 22: ...ick release pins to fixate the Sasy rig connecting bars figure 6 2 SP20 LINEX enclosure with integrated flying hardware Flying Frame The Sasy rig flying frame is designed to fly up to 24 SP20 LINEX enclosures in a dead hang set up SPArC specially designed line array software automatically calculates the corresponding maximum number of cabinets for each situation submitted in the program and signal...

Page 23: ...release pins fixed to the enclosure rigging The provided pins have a workload limit of 0 5T S F 10 per pin figure 6 4 Quick Release Pins Sasy rig transport flight cases SP20 LINEX enclosures are transported by means of custom designed flight cases Each flight case holds one or two clusters of 3 cabinets depending on transport preferences The flight cases have truck pack measurements of 1 20m x 0 7...

Page 24: ...o the main flyframe by means of two pins with quick snap locks The proprietary array calculator SPArC calculates which of the 25 holes is needed to attach the hoist A 3 25T shackle is used to attach the adapter to the hoist at the indicated hole Conversions of the WLL of 12 cabinets 500 kg 1100 lbs in deadhang to holes positioned behind the flyframe are depicted in the figure below Sasy rig single...

Page 25: ...ntegrated whiteboard at the back of the cabinet can be used to number the position of each cabinet in the array indicate its use in the left or right array and the angle setting between the adjoining cabinets Connect the Sasy rig flying frame to the top cabinet of each array Store the enclosures in clusters of three in a flight case and mark each flight case with L for the left array and R for the...

Page 26: ... on each of these points Connect the motor hoist s to the lifting point After lifting the first array out of the flightcase an optional motor hoist can be fixed to the tilting point During the rigging procedure only use the lifting point at the front of the frame to hoist the array out of the flight case Once the full array is at the intended height it can be tilted to the right angle at the tilti...

Page 27: ...out of the flight case Step 3 Set the angles at the back of the cabinets IMPORTANT ALWAYS make sure the quick release pins are well in place and locked Remove the flight case and lower the array to set the angles at the back of the cabinets The hole pattern of the flying hardware allows angle settings of 0 0 25 0 5 1 2 3 4 5 and 6 degrees See indications at back of cabinet for the corresponding ho...

Page 28: ...enclosures remove the quick release pins at the rear of the enclosure Lower the array till the slide bars are just below the connecting holes of the upper cabinet of the next cluster Connect the slide bar with the pin Place the angle setting pin at the 0 degree angle to fix the slide bar during lifting IMPORTANT Do not stand in front of the array when hoisting When cabinets are freed from the grou...

Page 29: ... cabinet of the array and slide the front connector between the steel front rigging The front connector easily slides into the rigging profile of the cabinet in the array Connect the cabinet fronts with the quick release pin Step 6 Setting angles at the back of the cabinet Now the angle setting pin at the back of the cabinet can be set to the desired angle While lifting the cabinet back remove the...

Page 30: ...ts to 0 degrees Remove the angle setting pin at the back side of the cabinet between the 3rd and 4th cabinet of the array 6th and 7th in case of SP10 S Place the flight case trolley underneath the array While lowering the array push the three free hanging cabinets backwards on the trolley Unlock the rear connecting bar between the cluster on the trolley and the array by removing the rear locking p...

Page 31: ...above criteria should be determined and should NEVER be exceeded 1 Supporting construction At public facilities the allowable loads on a roof construction or support is available at its authorized engineering office 2 WLL of motor hoist Refer to manual of the hoist manufacturer 3 Flying frame WLL Never exceed the safe Work Load Limit indicated on the Sasy rig Flying frame or as indicated by the so...

Page 32: ... 16 4 0 deg 16 14 5 0 deg 14 12 6 0 deg 10 10 Always consult SPArC for the maximum no of cabinets J shape the lower half of the array has a larger angle setting than the upper half No angle of a cabinet is higher than a lower cabinet C shape all angle settings between cabinets in the array are the same Note When using SPArC it will automatically indicate when the maximum workload of a configuratio...

Page 33: ...oad rated hardware Never exceed maximum load ratings at any time Consult a licensed physical engineer if you are unsure how to proceed It is advisable to consult and engage a qualified rigger when making decisions related to purchase set up and use of any equipment and technique that will be used to suspend any temporary loudspeaker system above areas that will be occupied by persons Never tilt th...

Page 34: ...ets 3 Cabinets 4 Cabinets 6 p4 HF 300 W 16 Ω 600 W 8 Ω 900 W 5 3 Ω 1200 W 4 Ω p3 MF 600 W 8 Ω 1200 W 4 Ω 1800 W 2 7 Ω 2400 W 2 Ω p2 LF1 600 W 8 Ω 1200 W 4 Ω 1800 W 2 7 Ω 2400 W 2 Ω p1 LF2 600 W 8 Ω 1200 W 4 Ω 1800 W 2 7 Ω 2400 W 2 Ω MAX SPL 1m MAX SPL 1m 1 Cabinet7 HF 2kHz 142 dB MF 500 Hz 141 dB LF 150 Hz 131 dB 6 Not recommended only with 2 Ohm enabled amplifiers 7 These SPL values are for a sin...

Page 35: ...V1 22 Owners Manual SP20 Linex 35 Horizontal isobars one cabinet Vertical isobars one cabinet Cabinet dimensions ...

Page 36: ...I IT TY Y SOUND PROJECTS hereafter referred to as the manufacturer declares that the Easy rig flying frame and its rigging hardware as supplied by the manufacturer are produced and when provided with certificate tested conform CE norms as described in the Guidelines for Machinery appendix 2A SOUND PROJECTS Karperweg 16 1317 SN Almere The Netherlands ...

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