User Manual - A.C. Entertainment Technologies
Contents
1. appropriate for the application approved certified and marked properly rated in perfect condition WARNING Each cabinet support the full load of the part of the system below It is very important that each single cabinet of the system is properly checked The suspension system is designed to have a proper Safety Factors configuration dependent Using the RCF Shape Designer software it is very easy to understand safety factors and limits for each specific configuration To better comprehend in which safety range the mechanics are working a simple introduction is needed HDL20 A mechanics are built with certified UNI EN 10025 95 S 235 JR and S 355 JR Steel RCF prediction software calculates forces on every single stressed part of the assembly and shows the minimum safety factor for every link S 235 JR is a structural steel and has a stress strain or equivalent Force Deformation curve like the following The curve is characterized by two critical points the Break Point and the Yield Point The tensile ultimate stress is simply the maximum stress attained Ultimate tensile stress is commonly used as a criterion of the strength of the material for structural design but it should be recognized that other strength properties may often be more important One of these is for sure the Yield Strength Stress strain diagram of S 235 JR exhibit a sharp break at a stress below the ultimate strength At this critical stress the mat2. gt 10 system input impedance always make sure that XLR cables used to feed audio signal to the system are balanced audio cables wired in phase A single defective cable can affect the performance of the overall system CONNECTIONS BEFORE TURNING ON THE SPEAKER WARNING A VOLTAGE SETUP RESERVED TO THE RCF SERVICE CENTRE SIGNAL CABLES DAISY CHAINS The HDL20 A is a flexible system that can be used in ground supported or suspended applications The following information will help you set up your HDL20 A system safely and effectively When using stands or poles be sure to observe the following precautions Check the stand or pole specification to be certain the device is designed to support the weight of the speaker Observe all safety precautions specified by the manufacturer Be certain that the surface on which the system is to be stacked is flat stable and solid Inspect the stand or pole and associated hardware before each use and do not use equipment with worn damaged or missing parts Do not attempt to place more than two HDL20 A loudspeakers on a stand or pole When mounting two HDL20 A speakers on a pole or tripod integral rigging hardware must be used to secure the speakers to each other Always be cautious when deploying the system outdoors Unexpected winds may topple a system Avoid attaching banners or similar items to any part of a speaker system Such attachments could act a
3. DSP preset configurations MANUAL MODE This provides a partial control over the array s configuration The enclosure splays can be increased with a progression of 2 steps for each adjacent speaker in order to maintain a spiral array configuration Then array aiming angle and fly bar pick point can be entered manually by switching on Box1 grid changeable and MANUAL H flags setting Array window Manual splays setting output data BOX n Angle n Ro 2 32 Box 7 8 Box 13 Box 2 Box 3 Box 15 Box 4 Box 16 E Box 5 Coverag Box 6 Angles manual changing MANUAL MODE OPTIMIZING THE ARRAY Once the design number of elements and vertical splay angles has been designed using Shape Designer software you can effectively optimise the array depending on the environment and the application by driving it using different DSP presets stored onboard Typically arrays are divided in two or three zones depending the design and size of the array To optimise and EQ the array different strategies are used for high frequencies long throws and short throws and low frequencies The longer the distance the greater the attenuation at high frequencies Generally high frequencies need a correction to compensate for energy lost over distance the correction needed is usually proportional to the distance and high frequency air absorption In the near to mid field the air absorption is not nearly as critical in
4. UP POINTS The pickup is asymmetric and can be fit in two positions A and B A position brings the shackle towards the front B position allows an intermediate step using the same fixing holes Move the pickup bracket in the position suggested by RCF Shape Designer O Fix the pickup bracket with the two pins on the bracket s lanyard to lock the pickup THE HDL20 A FLY BAR FEATURES 0 Check that all the pins are secured and locked Rigging the system follow the procedure RIGGING CHAIN HOIST 6 CERTIFIED SHACKLE Fear 1 Connect the fly bar F to the chain hoist H o motors using the certified shackle FLYBAR PICK UP HDL20 18 code 13360221 Secure the shackle 2 Connect the second pin on the front bracket to make sure that the connecting bracket is vertical 3 Connect the front bracket to the first HDL20 A cabinet using 2 quick lock pins 4 Reverse and connect the 2 rear bracket to the fly bar using 2 quick lock pins The first HDL20 A has to be fixed always starting at 0 with respect of the frame No other angles are allowded 5 Connect the second cabinet to the first always starting from the 2 front brackets 6 Reverse and connect the rear bracket of the second cabinet using the hole for the proper angle 7 Connect all the othe
5. below PLANE 2 PLANE 2 is used to simulate the furthest highest audience area sc RCF Line Array SHAPE DESIGNER v 3 3 start rcf Venue dimensions six dl Fie Design Option Help isi xi a the rules of sound venue array mechanics processor spl gt report show Project Info ype ARRA E ven E enst unt lr EDEDEH FLOOR 60 Lenght PLANE 1 on di io Lenght PLANE2W onzo 75 na I Seated 0 Height Seated 5 Height Seated fo eight io Iv Standing T Standing fi Elevation Standing g Elevation sore 3 30 Distance ag Distance Box 2 Box 10 Box 3 3 Box 11 overage Area lenght unit meter 7 Begin 6 End 54 Box 4 Box 12 Box 7 Box 13 M Ier un te suspended options Auto H setting 7j v Suspended T Stacked Iv AuoH Manual H minTrim Height 1 MAX Susp Point 10 Box 6 Box 14 Box 7 Box 15 Array model_and number Model no sub ZEE E mi 7 n Model NXL23A Number 8 x Modello ano a Box 8 Box 16 PLANE 2 PLANE 1 x Enter the height length and elevation of up to three planes Venue Planes FLOOR so Lenght PLANE 19 on off fin Lenght PLANE 2 on off 15 Lenght Seated 0 Height V Seated s Height M Seated jio Height IV Standing F Standing fi Elevation 7 Standing e Elevatio
6. qualified installers or specialised firms who can ensure correct installation and certify it according to the regulations in force The entire audio system must comply with the current standards and regulations regarding electrical systems WARNING A IMPORTANT i 9 Supports and trolleys The equipment should be only used on trolleys or supports where necessary that are recommended by the manufacturer The equipment support trolley assembly must be moved with extreme caution Sudden stops excessive pushing force and uneven floors may cause the assembly to overturn 10 There are numerous mechanical and electrical factors to be considered when installing a professional audio system in addition to those which are strictly acoustic such as sound pressure angles of coverage frequency response etc 11 Hearing loss Exposure to high sound levels can cause permanent hearing loss The acoustic pressure level that leads to hearing loss is different from person to person and depends on the duration of exposure To prevent potentially dangerous exposure to high levels of acoustic pressure anyone who is exposed to these levels should use adequate protection devices When a transducer capable of producing high sound levels is being used it is therefore necessary to wear ear plugs or protective earphones See the manual technical specifications to know the maximum sound pressure level IMPORTANT NOTES IMPORTANT NOTES i To prevent
7. the occurrence of noise on line signal cables use screened cables only and avoid putting them close to Equipment that produces high intensity electromagnetic fields Power cables Loudspeaker lines OPERATING PRECAUTIONS Place this product far from any heat sources and always ensure an adequate air circulation around it Do not overload this product for a long time Never force the control elements keys knobs etc Do not use solvents alcohol benzene or other volatile substances for cleaning the external parts of this product IMPORTANT NOTES IMPORTANT NOTES 3 Before connecting and using this product please read this instruction manual carefully and keep it on hand for future reference The manual is to be considered an integral part of this product and must accompany it when it changes ownership as a reference for correct installation and use as well as for the safety precautions RCF S p A will not assume any responsibility for the incorrect installation and or use of this product The concept of this unique speaker derives from the touring industry bringing in a compact cabinet all the experience of RCF professional sound The vocals are natural the sound is clear at longer distances the spl power is stable at very high levels The RCF Precision transducers equipping D LINE have been representing for decades the ultimate performance the highest power handling and the mos advanced te
8. this zone high frequencies need little additional correction In the next figure is shown the equalization that corresponds to HF settings for NEAR and FAR E zo a IE 4 I E E E er a HF sl E imm NEAR E FAR E Gi a HIGH FREQUENCY EQUALIZATION STRATEGIES While wave guides provide isolated control over various mid to high frequency coverage areas the low frequency section of a HDL20 A array still requires mutual coupling with equal amplitude and phase to achieve better directionality Low frequency directionality is less dependent on the array s relative splay angles and more dependent on the number of elements of the array At low frequencies the more elements in the array the longer the array the more directional the array becomes providing more SPL in this range The directional control of the array is achieved when the length of the array is similar or larger than the wavelength of the frequencies being reproduced by the array Although the array can and usually should be zoned for implementing different equalization curves for high frequencies identical equalization should be maintained in all the low frequency filters Different low frequency equalization settings in the same array will degrade the desired coupling effect For the same reason gain diffe
9. 68 Box 7 NXL23 A LINEAR 68 Box 8 NXL23A LINEAR 68 On axis aiming angle for each enclosure as a difference from 0 horizontal SPL amp REPORT PAGE Various angles and throw distances calculated from the venue s dimensions DSP preset configuration SPL representation on the audience area fs RCF Line Array SHAPE DESIGNER v 1 0 start rcf Spl amp Report MATES al File Design Option Help lel x mechanics processor show Project info Benne screen 3 spl amp report Relative Angle _ Absolute Angle High Frequency Correction Cluster size High Pass 297 FAR target dist m 43 8 78 Full Range FAR target dist m 105 53 78 Ful Range FAR target dist m 40 09 78 Full Range MID target dist m 34 07 78 Full Range MID target dist m 28 06 73 Ful Range NEAR target dist m 18 72 73 Full Range NEAR target dist m 14 03 73 Ful Range 35 08 NEAR target dist m 11 27 73 Full Range WARNING It is possible to display different pages only IN SEQUENCE venue gt array gt WARNING mechanics gt processor gt spl amp report and back in order to be sure that all pages will be shown to the user including the one regarding mechanics 21 22 RCF Shape Designer works in either of two basic ways AUTOMATIC MODE default setting The RCF Shape Designer will select the optimum enclosure splays array aiming angle fly bar pick point and
10. LR input connectors and line level signals from a mixing console or other signal source 0 LINK XLR OUTPUT The output XLR male connector provides a loop trough for speakers daisy chaining VOLUME Controls the volume of the power amplifier The control ranges from maximum attenuation to the MAX level maximum output POWER INDICATOR Power on indicator When the power cord is connected and the power switch is turned on this indicator lights green SIGNAL INDICATOR The signal indicator lights green if there is signal present on the main XLR input LIMITER INDICATOR The amplifier has a built in limiter circuit to prevent clipping of the amplifiers or overdriving the transducers When the peak clipping circuit is active the LED blinks orange It is okay if the limit LED blinks occasionally If the LED blinks frequently or lights continuously turn down the signal level The amplifier has a built in RMS limiter If the RMS limiter is active the LED lights red The RMS limiter has the purpose to prevent damages the transducers The speaker shall never be used with the limit indicator red continuous operation with the RMS protection active can cause damages to the speaker Q HF The switch gives the possibility to set high frequencies correction depending on target distance air absorption correction NEAR used for pole mount applications or near field FAR for farthest field 0 CLUSTER The combination of the 2 swi
11. OWNER MANUAL ACTIVE LINE HDL2O A ARRAY MODULE ENGLISH LANGUAGE E ENGLISH SAFETY PRECAUTIONS 1 All the precautions in particular the safety ones must be read with special attention as they provide important information WARNING to prevent the risk of fire or electric shock never expose this product to rain or humidity 2 POWER SUPPLY FROM MAINS a The mains voltage is sufficiently high to involve a risk of electrocution install and connect this product before plugging it in b Before powering up make sure that all the connections have been made correctly and the voltage of your mains corresponds to the voltage shown on the rating plate on the unit if not please contact your RCF dealer c This unit is CLASS construction so it must be connected to a MAIN socket outlet with a protective earthing connection d Protect the power cable from damage make sure it is positioned in a way that it cannot be stepped on or crushed by objects e To prevent the risk of electric shock never open this product there are no parts inside that the user needs to access 3 Make sure that no objects or liquids can get into this product as this may cause a short circuit This apparatus shall not be exposed to dripping or splashing No objects filled with liquid such as vases shall be placed on this apparatus No naked sources such as lighted candles Should be placed on this apparatus 4 Never
12. RMS 200 Watt RMS 500 Watt RMS Convection Powercon Connector in Powercon Connector link 294 mm 11 5 705 mm 27 7 445 mm 17 5 29 Kg 63 93 lbs Composite PP Rigging flyware 2 side www rcf it HEADQUARTERS RCF S p A Italy tel 39 0522 274411 e mail info rcf it RCF UK tel 0844 745 1234 Int 44 870 626 3142 e mail info rcfaudio co uk RCF France tel 33 14901 02 31 e mail france rcf it RCF Germany tel 49 2203 925370 e mail germany rct it RCF Spain tel 34 91 817 42 66 e mail info rcfaudio es RCF Belgium tel 32 0 3 3268104 e mail belgium rct it RCF USA Inc tel 1 603 926 4604 e mail info rcf usa com 10307302 RevA
13. S In Out XLR connectors system volume control 2 configuration switch 4 status LEDs HDL20 A IS A 2 WAY ACTIVE SYSTEM FEATURING 10 neo woofer 2 5 voice coil in horn loaded configuration 2 exit 3 voice coil neo compression driver 100 x 15 constant directivity coverage angle THE HDL20 A AMPLIFIER SECTION FEATURES 700 Watt switching power supply module 500 Watt low frequency digital amplifier module 200 Watt high frequency digital amplifier module extra capacitor bus able to sustain the voltage for 100 ms burst signals The total available power supply power is 700 Watt and can be distributed to the 2 final amplifier sections Each amplifier section has a very high maximum output power capability in order to provide when necessary maximum output bursts in a specific frequency range PRODUCT A INFORMATIONS E D LINE TOURING AUDIO SOLUTIONS HDL20 A ACTIVE LINE ARRAY MO DULE e POWER REQUIREMENTS AND SET UP The HDL20 A line arrays System is designed to operate in hostile and demanding situations Nevertheless it is important to take extremely care of the AC power supply and set up a proper power distribution The HDL20 A line arrays System is designed to be GROUNDED Always use a grounded connection The HDL20 A amplifier is designed to work within the following AC Voltage limits 230 Volt NOMINAL VOLTAGE minimum voltage 185 Volt maxim
14. Windows 3 x Windows 95 or Macintosh operating systems Use the RCF Shape Designer for designing HDL20 A arrays The RCF Shape Designer s INTRODUCTION primary function is to determine the configuration that will provide the best vertical performance for a given application Various venue dimensions are entered that allow the RCF Shape Designer to calculate the resultant array performance Once you have installed RCF Shape Designer it will be visible as a shortcut in All Programs USING RCF SHAPE DESIGNER via your Windows Start button SOFTWARE a windows Update m RCF SHAPE DESIGNER d RCF SHAPE DESIGNER EH Winzip frm Programs A single click on the RCF Shape Designer tab will open the following page x click to enter gt gt RCF Line Array SHAPE DESIGNER TTS 18A TTS 28A TTL12 AS TTS18 A TTS28 A NXS 21A NXS 25A A single click on the window will open the following page ER IRRE PER IG Project s Info Project s info Name insert author s name Author insert author s name Filling the blank tabs it s possible to start the program ENTERING VENUE DATA For best results planes should be used as follows FLOOR is used to simulate the main floor area from the stage to a rear bleacher or boundary PLANE 1 is used to simulate any audience continuation behind FLOOR e g a rear bleacher from the end of the main floor to furthest and highest seat
15. attempt to carry out any operations modifications or repairs that are not expressly described in this manual Contact your authorized service centre or qualified personnel should any of the following occur The product does not function or functions in an anomalous way The power cable has been damaged Objects or liquids have got in the unit The product has been subject to a heavy impact 5 If this product is not used for a long period disconnect the power cable 6 If this product begins emitting any strange odours or smoke switch it off immediately and disconnect the power cable 7 Do not connect this product to any equipment or accessories not foreseen For suspended installation only use the dedicated anchoring points and do not try to hang this product by using elements that are unsuitable or not specific for this purpose Also check the suitability of the support surface to which the product is anchored wall ceiling structure etc and the components used for attachment screw anchors screws brackets not supplied by RCF etc which must guarantee the security of the system installation over time also considering for example the mechanical vibrations normally generated by transducers To prevent the risk of falling equipment do not stack multiple units of this product unless this possibility is specified in the user manual 8 RCF S p A strongly recommends this product is only installed by professional
16. chanics laj x Al File Design Option Help laj x a the rules of sound venue array gt mechanics processor spl amp report detailed mechanics CLUSTER SPECIFICATIONS Cluster Type Number of Cabinets Flybar Type Pick up point 95 Flybar Mounting Position FRONT Cluster Length L 2 64 Flybar Rigging Hole 8 Lowest cluster point LCP 6 86 Flybar Splay Angle alfa 2 92 Center of Gravity Xg Ya 1 04 0 28 Cluster Weigth 317 Weight on Front Hoisto o fight on Single Hoisto o 317 Weight on Rear Hoist M REAR Applied Tensile Load IN Allowed Tensile Load N Applied Shear Load N FRONT Allowed Shear Load IN FLyBar Safety Factor Shear Load Applied Tensile Load N BRACKET Allowed Tensile Load Njoo Applied Shear Load N Allowed Shear Load N FRONT Safety Factor Shear Load CABINET Applied Tensile Load IN uwk Allowed Tensile Load NJOO Safety Factor Tensile Load Safety Factor Combined Load BRACKET DSP preset configuration PROCESSOR PAGE 60 RCF Line Array SHAPE DESIGNER v 3 3 start rcf Result Processor Setting leixi al File Design Option Help la x mechanics processor NXL Panel Number T HF BOOST LF SHAPE Box 1 NXL23A ARRAY 68 Box 2 NXL23 A ARRAY 6 8 Box 3 NXL23 A ARRAY 68 Box 4 NXL23A ARRAY 68 Box 5 NXL23A ARRAY 68 Box 6 NXL23A ARRAY
17. chnology in the professional and touring industry The high power woofer delivers extremely accurate punchy bass the custom made compression driver offers a transparent midrange and extreme fidelity RCF Class D power amplifiers technology packs huge performance operating with high efficiency into a lightweight solution D LINE amplifiers deliver ultra fast attack realistic transient response and impressive audio performance The integrated DSP manages crossover equalisation soft limiter compressor and dynamic bass boost D LINE cabinets are moulded on a special polypropylene composite material designed to dampen down vibrations even at maximum volume settings From moulding to the final texture D LINE offers the maximum reliability and strength for the intensive use on the road The HDL20 A is a very compact self powered 2 way line array loudspeaker module The 700 watt Class D amp modules accurately match the high quality analog signal input boards with precise complex filter responses that result in the natural detailed reproduction of the best direct radiating designs HDL20 A is the ideal choice when line array performance is needed but the venue size doesn t call for the very long throw characteristics of larger line arrays and a fast and easy setup is a must The HDL20 A speaker deliver extraordinary power handling clarity flexibility and great sound in a compact easy to handle and affordable package THE INPUT SECTION PROVIDE
18. e stage or the array frame It can be tilted up or downward if desired In this way arced arrays can be readily created from a ground stack position 5 The bottom box in a stacked array can be tilted to obtain proper coverage patterns from 7 5 to 7 5 Reverse and connect the 2 rear STK BAR HDL20 A code 13360224 bracket to the first enclosure using the hole for the proper angle and quick lock pins Add HDL20 A cabinets one by one as indicated for flown configurations Up to four HDL20 A enclosures can be stacked and interlinked using the standard D LINE rigging components and the D LINE subs as ground support 6 It is possible to stack HDL20 A speakers on the ground using its own fly bar as shown in the pictures 25 26 ACOUSTICAL Frequency response Max SPL Horizontal Coverage angle Vertical Coverage angle Compression Driver Midrange Woofer INPUT SECTION Input connector Output connector Input sensitivity PROCESSOR SECTION Crossover frequencies Protections Limiter Controls AMPLIFIER Total power High frequencies Low frequencies Cooling Connection PHISICAL Height Width Depth Weight Cabinet Hardware Handles SPECIFICATIONS 55 Hz 20 kHz 133 dB 100 15 max 2 3 0 voice coil 2x10 2 5 voice coil XLR XLR 2 dBu 4 dBu 1 000 Hz Thermal RMS Soft limiter Cluster HF High Curving Indoor 1400 W Peak 700 W
19. ect the power supply cable and the signal cable but before turning on the speaker make sure that the volume control is at the minimum level even on the mixer output It is important that the mixer is already ON before turning on the speaker This will avoid damage to the speakers and noisy bumps due to turning on parts on the audio chain It is a good practice to always turn on speakers at last and turn them off immediately after the show Now you can turn ON the speaker and adjust the volume control to a proper level WARNING Always make sure that the maximum current requirement does not exceed the maximum admitted POWERCON current In case of doubt call the closest RCF SERVICE CENTRE 230 Volt 50 Hz SETUP FUSE VALUE T3 15A 250V 115 Volt 60 Hz SETUP FUSE VALUE T6 30A 250V Audio signal can be daisy chained using the male XLR loop through connectors A single audio source can drive multiple speakers modules like a full left or right channel made of 8 16 speaker modules make sure that the source device is able to drive the impedance load made of the modules input circuits in parallel The HDL20 A line arrays input circuit presents a 100 KOhm input impedance The total input impedance seen as a load from the audio source ex audio mixer will be system input impedance 100 KOhm number of input circuits in parallel The required output impedance of the audio source ex audio mixer will be source output impedance
20. ended IT Stacked Iv AutoH M ManualH minTrim Height 1 MAX Susp Point 10 cc m i Box7 8 Box15f Array model and number Subwoofer spec we D Model selection Number 8 Model selection nosub M Indoor I Outdoor 2 2005 hi Height of the array and trim height to the bottom of the array from the floor Pick Point on the Fly Bar to achieve the calculated array angle when suspended Weight of the array Mechanical check result ic RCF Line Array SHAPE DESIGNER v 1 0 start rcf Array Configuration E l elxi Ab File Design Option Help l81xi spl amp report show Project Info print screen seing COOLEEE iv Auto Manual output data BOX n Angle n Mechanic installation Options 232 gor p Bota Cabinet Coniguation Iv FRONT 7 REAR one socia 7 PetupPontenioni2 mimp M 2pp Ku TotalMass 17 2 Bes Box16 f Fiberposten TT 4 e Basi Box Front ink load 223 Box Rear link load 1672 e p Coverage angle e Bon rer fE Mechaical Check Rest ee oe Hb subwoofer Selected Model Suggested number Position zoom grid Reference drawing SUSPENDED MODE NUMBER OF CABINETS AND SUBWOOFERS RCF SHAPE DESIGNER RESULTS ARRAY PAGE Cluster Mechanical specifications MECHANICS PAGE Mechanical safety factors js RCF Line Array SHAPE DESIGNER v 1 0 start rcf Detailed me
21. erial elongates considerably with no apparent change in stress The stress at which this occurs is referred to as the yield point Permanent deformation may be detrimental and the industry adopted 0 2 plastic strain as an arbitrary limit that is considered acceptable by all regulatory agencies For tension and compression the corresponding stress at this offset strain is defined as the yield S 355 J and S 235 JR characteristic values are R 360 N mm2 and R 510 N mm2 for Ultimate Strength and Rp0 2 235 N mm2 and Rp0 2 355 N mm2 for Yield Strength In our prediction software the Safety Factors are calculated considering the Maximum Stress Limit equal to the Yield Strength according with many international standards and rules The resulting Safety Factor is the minimum of all the calculated safety factors for each link or pin This is where you are working with a SF 4 Depending on local safety regulation and on situation the required safety factor can vary It is responsibility of the owner or rigger to make sure that the system is properly rigged in accordance with Country and local laws and regulations The RCF Shape Designer software gives detailed information of the safety factor for each specific configuration WARNING A WARNING A WARNING A RCF SHAPE DESIGNER SOFTWARE AND SAFETY FACTOR O N mm Ultimate Strength Yield Strength SF 4 Working Conditions 5 O N mm Ultimate Streng
22. g point height minus a sensible allowance for any shackles stingers bridles or flying hooks 1m should be allowed for a stinger between each grid flying lug and the relevant motor hook to ensure that motor chain bags do not rest on the grid or top cabinet and upset its tilt angle MANUAL H SETTING In manual installation mode it is possible to enter the height required for flying the system A Sali lenght unit meter 3 J LUCETIUS suspended options Manual H setting 7 Suspended I Stacked AutoH Wi Height 95 Array model and number Sub FREE FLOOR Model no sub Number fi al Model DEEEES Number e al eee Model Frosb rj no sub VENUE PAGE Graphical representations of the array and the venue Aiming splay angle between each pair of enclosures 7 RCF Line Array SHAPE DESIGNER v 1 0 start rcf Venue dimensions E iei xi db File Design Option Heb zielxi show Project Info Venue Planes lenght uni meter iSplay angles FLOOR feo Lenght PLANE 17 on off fo Lenght PLANE 2 on off Fo Lenght T Seated 5 Height F Seated 3 Height F ected 3 Height Box Tage 232 Box9 7 Standing E Standing j Elevation P Standing B Elevation 0 Distance lio Distance Box2 Jj _ Box 10 Box 3 2 Box 11 f cene neers cot m Begin 6 End 3 j Eu Box5 6 rJ 0 E mE Lo Box 13 to ting e m Tz Susp
23. n 30 Distance ao Distance For all planes Length refers to the horizontal length of that plane For all planes Height refers to the height of the rear of the plane For PLANES 1 and 2 Elevation refers to the elevation height of the front of the plane For PLANE 1 and 2 Distance relates to the actual distance from the front of the array to the start of the plane For all planes selecting Seated or Standing places ear level at 1 3 or 1 7 m above the respective plane Specify the horizontal coverage distances from the front of the array COVERAGE Coverage rea lenght unit meter Begin amp End 45 Select either Suspended or Stack in the Array installation section to determines how the ARRAY INSTALLATION array is supported BEAU SCIELO enght unit meter suspended options r Auto H setting Jv Suspended IF Stacked IV AutoH Manual H minTrim Height fi MAX Susp Point fio In Suspended mode the grid is suspended and cabinets are attached beneath In Stack mode the grid forms a base and cabinets are placed on top 19 20 AUTO H SETTING MIN TRIM HEIGHT This is the low limit for the array and is defined as the smallest allowable distance from the lowest point of the array to the ground below AUTO H SETTING MAX SUSPENSION POINT Set this to the maximum array height allowable usually the highest part of the flying frame The maximum pick height is usually chosen to allow for the maximum flyin
24. r cabinets following the same procedure and connecting a single cabinet each time ARRAY SYSTEMS DESIGN HDL20 A allow users to choose from different face to face angle adjustments to create arrays with varying curvature Thus designers can create arrays custom tailored to each venue s profile The basic approach to array design dependent on three factors Number of Array Elements Vertical Splay Angles Horizontal Coverage Determining the number of elements to use is critical the number of elements greatly affects the SPL available from the system as well as the uniformity of coverage in both SPL and frequency response The number of elements profoundly effects the directivity at lower frequencies The next easy equation works as an approximation for flat listening planes Coverage x 8n m Coverage distance required x metres Changing the splay angles between cabinets has a significant impact on vertical coverage for the high frequencies with the result that narrower vertical splay angles produce a higher Q vertical beamwidth while wider splay lowers the Q at high frequencies In general the splay angles do not affect the vertical coverage at lower frequencies The curved array system design can be summarized as flat front HDL20 A s for long throw sections increase curvature as distance decreases add more enclosures for more output This approach focuses more transducers moun
25. rences are not recommended for line arrays since adjusting various zones with an overall amplitude control for each results in decrease of Low frequency headroom and directionality In any case line arrays generally need a correction to compensate for energy sum on lows In the next figure is shown the equalization that corresponds to CLUSTER settings referring to different number of speakers from 2 3 up to 10 16 Increasing the number of cabinets response curves are decreased in order to compensate the low frequency section mutual coupling pa CLUSTER 2 3 4 6 7 9 10 16 LOW FREQUENCY COUPLING EFFECTS LOW FREQUENCY STRATEGIES HDL20 A GROUND STACKED HDL20 A loudspeakers can be stacked on top of D LINE subwoofers with the optional STK BAR HDL20 A code 13360224 adapters 23 1 Fix the HDL20 A fly bar on subs as shown in the picture 2 The STK BAR HDL20 A code 13360224 adds a fixed amount of up or downtilt to ground stacked HDL20 A loudspeakers with additional 15 degrees of adjustment possible from 7 5 to 7 5 3 Connect front bracket of the first HDL20 A cabinet using 2 quick lock pins 24 4 The baffle of the bottom box in a stacked array does not necessarily have to be parallel to th
26. s a sail and topple the system A single HDL20 A may be used on a tripod stand AC 260 or on a pole AC PMA over its D LINE Series subwoofers The use of a subwoofer is recommended for applications requiring more low frequency power and extension and needs a pole code 13360223 Usually the cluster switch on the input panel should be set to the 2 3 position and the HF on NEAR when a single speaker is used Indoor switch use depends on the speaker placement Place the speaker or the pole on a tripod using its own hardware LIGHT BAR HDL20 A code 13360229 and STK BAR HDL20 A code 13360224 as shown in the following picture SINGLE HDL20 A POLE AND TRIPOD SAFETY WARNINGS DOUBLE HDL20 A ON A STAND The HDL20 A is designed so that a pair of speakers may be safely mounted onto a pole or tripod stand 1 Place the speakers on the pole or tripod one at a time Be sure to lock the two speakers together using its rigging hardware LIGHT BAR HDL20 A code 13360229 and STK BAR HDL20 A code 13360224 WARNING The floor stand support the full load of the part of the system on top It is very WARNING A important that the floor stand is certified for the total weight on top 2 Connect the second cabinet to the first starting from
27. tches gives 4 possibilities of mid low frequencies correction depending on cluster size 2 3 modules used for pole mount applications ground stacking 4 6 modules small flown systems 7 9 modules medium flown systems 10 16 modules maximum flown configuration HIGH CURVING The switch gives the extra possibility to boost mid frequencies depending on a high curving cluster configuration of few pieces OFF not active correction ON for high curving arrays of few pieces HDL20A 10 INDOOR The switch gives the extra possibility to set low frequencies correction depending on a indoor outdoor use in order to compensate room reverberation on lows OFF not active correction ON correction for reverberant indoor rooms 11 AC POWERCON RECEPTACLE RCF D LINE uses a POWERCON locking 3 pole AC mains Always use the specific power cord provided in the package 12 AC POWERCON LINK RECEPTACLE Use this receptacle to link one or more units Always make sure that the maximum current requirement does not exceed the maximum admitted POWERCON current In case of doubt call the closest RCF SERVICE CENTRE 13 POWER MAIN SWITCH The power switch turns the AC power ON and OFF Make sure that the VOLUME is set to when you turn on the speaker Q ruse The XLR connectors use the following AES standard PIN 1 GROUND SHIELD PIN 2 HOT PIN 3 COLD HOT BAL XLR At this point you can conn
28. ted on long throw horns at the farthest seat gradually focusing fewer transducers as distance decreases As long as the no gap rule is maintained arrays constructed according to these principles will provide even SPL and a consistent sonic character throughout the venue without requiring complex processing This approach where the same amount of acoustic energy is spread over a larger or smaller vertical angle depending on required throw typically have the following objectives even horizontal and vertical coverage uniform SPL uniform frequency response sufficient SPL for the application This discussion represents of course just a basic approach Given the infinite variety of venues and performers users will find themselves needing to solve specific problems in specific situations RCF Shape Designer software designed to help calculate optimum splay angles aiming angles and fly bar pick points crucial in alming the array for a given venue will be explained later in this Guide ARRAY SYSTEMS DESIGN RCF Shape Designer is supplied in a zip folder which contains a setup executable file La setup Double click on this and follow the on screen prompts INSTALLING RCF SHAPE DESIGNER The RCF Shape Designer requires an IBM compatible PC with the Windows 98 Windows COMPUTER REQUIREMENTS 98SE Windows 2000 Windows ME Windows XP or Windows NT operating systems It is not designed to work with
29. th Yield Strength SF 4 Working Conditions 5 The safety factor is the result of the forces acting on fly bar s and system s front and rear links and pins and depends on many variables number of cabinets fly bar angles angles from cabinets to cabinets If one of the cited variables change the safety factor MUST BE recalculated using the software before rigging the system In case the fly bar is picked up from 2 motors make sure that the fly bar angle is correct An angle different from the angle used in the prediction software can be potentially dangerous Never allow persons to stay or pass under the system during the installation process When the fly bar is particularly tilted or the array is very curved the centre of gravity can move out from the rear links In this case the front links are in compression and the rear links are supporting the total weight of the system plus the front compression Always check very carefully with the RCF Shape Designer software all this kind of situations even with a small number of cabinets THE MAXIMUM NUMBER OF SPEAKERS HDL20 A THAT MAY BE SUSPENDED USING THE HDL20 A FRAME IS 16 SIXTEEN OR 4 HDL 18 AS 8 HDL 20 A MAXIMUM MAXIMUM ARRAY SIZE THE HDL20 A FLY BAR FRONT FLYING BRACKET Front mounting O QUICK LOCK PIN HOLE Front mounting to be used to lock the front bracket before installation FRONT BRACKET TRANSPORT HOLES CENTRAL PICK
30. the 2 front brackets 3 Reverse and connect the rear brackets of the first cabinet using the hole for the proper angle Usually the cluster switch on the input panel should be set to the 2 3 position and the HF on NEAR when two speakers are used HDL20 A SUSPENDED Suspending loads should be done with extreme caution When deploying a system always wear protective helmets and footwear Never allow people to pass under the system during the installation process Never leave the system unattended during the installation process Never install the system over areas of public access Never attach other loads to the array system Never climb the system during or after the installation Never expose the system to extra loads created from the wind or snow WARNING The system must be rigged in accordance with the laws and regulations of the Country where the system is used It is responsibility of the owner or rigger to make sure that the system is properly rigged in accordance with Country and local laws and regulations WARNING Always check that all the parts of the rigging system that are not provided from RCF are
31. um voltage 260 Volt 115 Volt NOMINAL VOLTAGE minimum voltage 185 Volt maximum voltage 260 Volt If the voltage goes below the minimum admitted voltage the system stops working If the voltage goes higher than the maximum admitted voltage the system can be seriously damaged To obtain the best performances from the system it is very important that the voltage drop it is as low as possible Make sure that all the system is properly grounded All the grounding points shall be connected to the same ground node This will improve reducing hums in the audio system HDL20 A module is provided with a Powercon outlet to daisy chain other modules The maximum number of modules that is possible to daisy chain is 230 VOLT 6 MODULES TOTAL 115 VOLT 3 MODULES TOTAL A superior number of modules in daisy chain will exceed the Powercon connector maximum ratings and create a potentially dangerous situation When the HDL20 A line arrays system is powered from a three phase power distribution it is very important to keep a good balance in the load of each phase of the AC power It is very important to include subwoofers and satellites in power distribution calculation both subwoofers and satellites shall be distributed between the three phases WARNING A VOLTAGE GROUNDING AC CABLES DAISY CHAINS is DI des WARNING A POWERING FROM THREE PHASE MAIN XLR INPUT BAL UNBAL The system accept female X
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