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www.rcfaudio.com

10307091 Rev D

RCF SpA

: Via Raffaello, 13 - 42124 Reggio Emilia > Italy

tel. +39 0522 274411 - fax +39 0522 274484 - e-mail: [email protected]

Содержание TTL31-A

Страница 1: ...OWNER MANUAL LINE ARRAY MODULES TTL31 A TTL33 A TTL55 A Rev D...

Страница 2: ...2...

Страница 3: ...BLES DAISY CHAINS POWERING FROM THREE PHASE AUDIO CONNECTIONS AND CABLING SIGNAL CABLE DAISY CHAINS INPUT PANEL LEDS GENERAL RIGGING WARNINGS AND SAFETY PRECAUTIONS RCF SHAPE DESIGNER SOFTWARE AND SAF...

Страница 4: ...it floating point DSP sampling at 96 kHz is taking care of system equalization 24 db oct crossovers soft clipping and system configuration parameters like air absorption or cluster size correction TRA...

Страница 5: ...is very small for the minimum spacing Neodymium magnet titanium dome mylar surround radial phase plug The voice coil size is 36 mm TheTTL33 A TTL31 A is equipped with 3 ND1411 MT in horn loaded config...

Страница 6: ...d to dedicated unique 90 H by 15 V wave guide It has been designed with exponential expansion area for best low frequencies coupling and to minimize distortion and back reflections Wave guide has been...

Страница 7: ...band 24 dB oct crossovers transducers time alignment hard limiter circuit soft clipping circuit The DSP reads the system configuration and adjust the parameters to optimise the performances related t...

Страница 8: ...r software it is very easy to understand safety factors and limits for each specific configuration CABINET AND MECHANICS THE TTL33 A AMPLIFICATION SECTION FEATURES 750 watt switching power supply modu...

Страница 9: ...ifier make sure that all the connections have been made correctly and that the voltage of your power mains corresponds to the voltage shown on the rating plate on the unit if it does not please contac...

Страница 10: ...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 14 Hearing loss Exposure to high sou...

Страница 11: ...To obtain the best performances make sure that the total burst current requirement of the system doesn t create a significant voltage drop on the cables GROUNDING Make sure that all the system is prop...

Страница 12: ...mpedance load made of the modules input circuits in parallel The TT line arrays input circuit presents a 100 KOhm input impedance The total input impedance seen as a load from the audio source ex audi...

Страница 13: ...RD NET master unit 10 RED ORANGE LIMITER LED This led is ON when the limiter circuit is active to prevent output distortion or damage of the speaker ORANGE Soft limiter circuit When the LED is flashin...

Страница 14: ...ted to theAC power source and the main on off switch is in position 1 8 GREEN SIGNAL LED This led is ON when the audio input signal is superior to 20 dB When there is no input signal the led is flashi...

Страница 15: ...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 te...

Страница 16: ...r 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 M...

Страница 17: ...S 2 3 4 5 1 2 3 4 5 1 6 17 The TT line arrays module is provided with 4 rigging bars 2 in the front and 2 in the rear corners The rigging bars are securely connected to front and rear metal corners Fr...

Страница 18: ...UNTING 18 1 Front brackets in transport position 2 Remove the side pins and tilt the front bracket 3 Fix the front brackets in vertical position locking the pin in position 2 4 Fit the picip in the mi...

Страница 19: ...le towards the front B position allows an intermediate step using the same fixing holes 6 Move the pickup bracket in the position suggested by RCF Shape Designer 7 Fix the pickup bracket with the two...

Страница 20: ...ets in the speaker s front housing and fix it with the quicklock pin supplied with the speaker 11 Tilt the speaker s rear bracket in the flybar housing and fix it with the quick lock pin supplied with...

Страница 21: ...ys check carefully load conditions with RCF Shape Designer 13 Go on linking the other speakers Fit the front bracket and fix it tilt the rear bracket close tilt angle and fix it 14 Always check that t...

Страница 22: ...Front mounting 4 FRONT FLYING BRACKET Rear mounting 5 QUICK LOCK PIN HOLE Rear mounting to be used to lock the front bracket before installation 6 REAR BAR HOLE REAR MOUNTING 7 FRONT STACKING POINT 8...

Страница 23: ...r THE TTL31 A FLY BAR FEATURES 1 FRONT FLYING BRACKET Front mounting 2 QUICK LOCK PIN HOLE Front mounting to be used to lock the front bracket before installation 3 REAR BAR HOLE Front mounting 4 FRON...

Страница 24: ...PICK UP DOUBLE MOTOR 4 CORNERS PICK UP WARNING Always check that the rigging motors rating exceed the total load to be suspended Always check that the connection hoist rating exceed the total load to...

Страница 25: ...ar F to the chain hoist H o motors using a certified shackle Secure the shackle to prevent un screwing following the shackle supplier instructions and warnings 2 Connect the second pin on the front br...

Страница 26: ...6 Reverse and connect the rear brackets of the second cabinet using the hole for the proper angle 7 Connect all the other cabinets following the same procedure and connecting a single cabinet each tim...

Страница 27: ...other cabinets following the same procedure and removing a single cabinet each time remove the fly bar from the motor o motors RIGGING OR UN RIGGING MULTIPLE CABINETS If the array is made of a small g...

Страница 28: ...33A figure STCK BAR TTL33A for connecting subs 28 TTL33 A GROUND STACKING The mechanical design of the suspension system allows the TTL33A system to be either flown or ground stacked Either method req...

Страница 29: ...STCK BAR TTL33A rigging frames for subs using 2 quick lock pins for each bracket Reverse FLY BARTTL33A front bracket and use the optional STCK BAR TTL33A rigging frames for subs for securing the fram...

Страница 30: ...possible Check the acoustical and mechanical set up with SHAPE DESIGNER software for stacked set ups Connect front bracket of the firstTTL33 A cabinet using 2 quick lock pins The baffle of the bottom...

Страница 31: ...e by one as indicated for flown configurations Up to four TTL33A enclosures can be stacked and interlinked using the standard TT rigging components and the FLY BAR TTL33A flying frame as ground suppor...

Страница 32: ...ar connec ted making sure that the total system centre of gravity is properly in centre of the kart RCF TTL33 A KART WARNING Do not exceed 4 cabinets transportation A bigger number of cabinet can caus...

Страница 33: ...wave there will be points where the cancellation is complete This is destructive interference sometimes referred to as combing A typical line array comprises a line of loudspeakers carefully spaced so...

Страница 34: ...benefit of TTL33 A TTL31 A is the fact that the system effectively extends the near field region at higher frequencies For flat TTL33 A TTL31 A arrays this results in a 3 dB reduction in SPL with doub...

Страница 35: ...the length of the array Rewriting the distance to the far field is the square of the array length and inversely proportional to wavelength For most applications the second term can be dropped For conv...

Страница 36: ...spiral array provides an asymmetric polar response in the vertical plane However unlike the J array it is a continuous curve rather than two distinct segments The curvature increases with distance alo...

Страница 37: ...arrays are separated 15 20 meters and used at zero degrees Experience has shown that this provides the best trade off between stereo imaging evenness of horizontal coverage and reduction of the potent...

Страница 38: ...erlap region between the two arrays is reduced The main L R FOH arrays are normally physically larger than the offstage side fill arrays and act as the reference for time alignment Typically a side fi...

Страница 39: ...can be summarized as flat front TTL33 A TTL31 A s for long throw sections increase curvature as distance decreases add more enclosures for more output This approach focuses more transducers mounted on...

Страница 40: ...hape Designer s 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...

Страница 41: ...sed to simulate any audience continuation behind Floor e g a rear bleacher from the end of the main floor to furthest and highest seat below Plane 2 Plane 2 is used to simulate the furthest highest au...

Страница 42: ...n top SUSPENDED MODE 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...

Страница 43: ...y and the venue Aiming splay angle between each pair of enclosures ARRAY PAGE 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 cal...

Страница 44: ...tors PROCESSOR PAGE DSP preset configuration SPL REPORT PAGE On axis aiming angle for each enclosure as a difference from 0 horizontal Various angles and throw distances calculated from the venue s di...

Страница 45: ...hape Designer will select the optimum enclosure splays array aiming angle fly bar pick point and DSP preset configurations MANUAL MODE this provides a partial control over the array s configuration Th...

Страница 46: ...effect wind velocity gradients on sound propagation The actual velocity of sound in this case is the velocity of sound in still air plus the velocity of the wind itself The following figure shows the...

Страница 47: ...CTS While wave guides provide isolated control over various mid to high frequency coverage areas the low frequency section of a TTL33A array still requires mutual coupling with equal amplitude and pha...

Страница 48: ...levels at the amplifiers in order to achieve consistent SPL at various distances This is achieved by adjusting the array curvature USER EQUALIZATION Normally the only user adjustable signal processing...

Страница 49: ...TTL33 A array or flown separately alongside aTTL33 A array A general recommendation is to useTTL33 A and TTS18 A in a ratio of one array module to one sub for outdoor applications and with respect ofT...

Страница 50: ...isual inspection soldering inspection screws securely fixed inspection pin holes inspection using a pin QUICK LOCK PINS visual inspection working test FRONT BARS AND FRONT METAL CORNERS visual inspect...

Страница 51: ...limiter array size configuration set up distance correction set up low filtering set up MECHANICAL Size 760 x 300 x 450 mm Weight 33 Kg TTL55 A ACOUSTICAL Operating frequ range 50 20 000 Hz Max SPL 14...

Страница 52: ...t Low section D 500 Watt Mid section x High section D 250 Watt CONNECTIONS Signal Input Output XLR male female Power Input Output Powercon male female CONFIGURATION CONTROLS Array size control 2 3 4 6...

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Страница 56: ...www rcfaudio com 10307091 Rev D RCF SpA Via Raffaello 13 42124 Reggio Emilia Italy tel 39 0522 274411 fax 39 0522 274484 e mail rcfservice rcf it...

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