USER MANUAL - NEXT
Contents
1. www next proaudio com USER MANUAL PXH64 PX System Mid High Element V102013 Next PXH64 User Manual www next proaudio com CONTENT INTRODUCTION SAFETV FIRST UNPACKING PX SYSTEM OVERVIEW PXH64 OVERVIEW CABLE SELECTING CONNECTION AND ELECTRIC DIAGRAM AMPLIFICATION PX SYSTEM DEPLOYMENT TROUBLESHOOTING TECHNICAL SPECIFICATIONS WARRANTY SPARE PARTS ACCESSORIES CONTACTS 14 15 16 16 16 17 V102013 els Next PXH64 User Manual www next proaudio com INTRODUCTION Thank vou for purchasing a NEXT PXH64 This manual will provide vou with important information about vour NEXT PXH64 Please devote some time reading this manual and keep it close for future reference NEXT proaudio is concerned with vour safetv and well being so please follow all instructions and heed all warnings Also a better understanding of some specific features of the PXH64 will help you to operate your system to its full potential SAFETY FIRST It s important that loudspeaker systems are used in a safe manner Please take some time to review the following points concerning safe use of the NEXT PXH64 element DANGER HEARING DAMAGE Caution HIGH SPL NEXT PXH64 is capable of producing extremely high sound pressure levels and should be used with care Hearing loss is cumulative and can result from levels above 90dB if people are exposed for a long period Never stand close to loudspeakers2. test or repair TECHNICAL SPECIFICATIONS PXH64 TECHNICAL SPECIFICATIONS Design Coaxial Horn Nominal Impedance Mid High 80 80 Continuous Power Handling Mid High 800W 160W Sensitivity 1W 1m Half Space Mid High 107dB 113dB Maximum SPL calculated Mid High 136dB 135dB Frequency Response 10dB 130Hz 18000Hz Dispersion H 60 x V 409 H 409 x V 609 Crossover Frequency active 150Hz 1150Hz Components 1 x 12 Mid 1 x 1 4 High Connectors 2 x Parallel Neutrik NL8 Enclosure Material 15mm Birch Plywood Finish Black Textured Water based paint Grille Metal grille with black acoustically invisible foam Castors 4 Optional Rigging Tracks 16 Optional Dimensions W x H x D 616 x 612 x 641 mm Weight 46 Kg Dimensions Ox 9 INI e gt ER NO WTF o o la 616 L 641 el V102013 15 Next PXH64 User Manual www next proaudio com WARRANTV NEXT products are warranted bv NEXT Proaudio against manufacturing defects in materials or craftsmanship over a period of 2 vears from the date of original purchase During the warrantv period Next proaudio will at its discretion either repair or replace products which prove to be defective provided that the product is returned in its original packaging shipping prepaid to an authorized NEXT Proaudio service agent or distri
3. The NEXT PXH64 Mid High element is part of the PX svstem The NEXT PXH64 was engineered to be a powerful medium to long throw mid high frequency cabinet in a Raa SS coaxial configuration covering the frequency SRS Va Nias range from 150Hz up to 19kHz To obtain the SERRE ja Nee highest possible on axis sound pressure S BA REY LNI Ee levels and clear and intelligible sound RISK B jr 8 reproduction over long distances the PXH64 Rees e mid high unit is entirely horn loaded The NRN A coaxial arrangement of the High Frequencv ROSE CD horn and the Mid Frequencv 12 speaker XX III ve Iso horn r reci ver SRO also horn loaded creates a precise coverage ji SON IE pattern of 60 H x 40 V over a frequency SAA HE range from 400Hz 17kHz ensuring equal sound within the coverage area The HF range from 1 150kHz upwards is reproduced by a Neodymium 1 4 driver with a 3 voice coil and a Constant Q horn whilst coverage in the mid range from 150Hz to 1 25kHz is provided by a low power compression 12 driver loaded into a midrange horn Wider coverage can be achieved using multiple elements laterally stacked or flown D CABLE SELECTING Selecting a cable consists of calculating the correct cable section size in relation to the load impedance and the required cable length A small cable section will increase its serial resistance which will induce power loss an
4. the amplifiers last after the mixer and control electronics have stabilised When powering down the system reverse the sequence and switch off the amplifiers first PX SYSTEM DEPLOYMENT The PX System is a versatile easy and fast deployment system It can be used ground stacked or suspended Combined with the optional splay adjustment kit NCO7712 you can adjust the splay as needed in 5 steps up to 10 front or rear GROUND STACKING There are some things you should know about ground stacking the PX System PXL118 SUB1 and SUB2 have a correct order on the stack Always start with SUB1 from the ground Other than that the stack is pretty standard The PXH64 has two working positions It can work in a H60 x V40 when there is only one vertical stack per side or you can rotate it to achieve a H40 x V60 when you have a double stack on the same place This way you ll reduce the comb effects between those elements You can also arrange it so you have up to 80 horizontal coverage Of course if you need more coverage you can either triple stack or if you don t have the means double stack in the H60 x V40 positioning Refer to PXA8000 manual for more information Next PXH64 User Manual www next proaudio com Follow the lines on the PXH64 to help vou on the positioning Those lines aren t just an aesthetic element Thev tell vou how to position vour svstem to achieve vour desired coverage pattern 40 60 L
5. array configurations for use in festival tents clubs and at open air events Very high sound pressure extreme reliability easy transportation fast setting up times and easy cabling are just some of the important practical advantages of PX system complete systems Setting the highest standards in audio performance reliability and price for situations where line arrays do not present themselves as the best solution in terms of cost complexity and flexibility the PX system is a perfect alternative offering easier set up less cabling and simpler operation High quality components combined with the new Mid High coaxially mounted horns the hybrid bass horns and the latest processor DSP technology deliver maximum sound pressure and superlative audio performance The components of the PX System can be quickly and easily configured to cover an enormous range of different sound reinforcement applications in venues of all shapes and sizes without any need for complex calculations controller adjustments and limiter settings If extreme sub levels are needed for an open air DJ event just add another sub on each side If the brass band in the beer tent wants ultra wide coverage just use two subs and two angled tops per side If a Top 40 band suddenly finds itself playing to an audience of 3000 the same system amp can drive four subs and two tops per side Next PXH64 User Manual www next proaudio com PXH64 OVERVIEW
6. audio com Electric Diagram MF Grey HF Red MF Black HF White V102013 7 Next PXH64 User Manual www next proaudio com AMPLIFICATION When used in the PX svstem standard configuration all processing and powering needs are taken care of by the PXA8000 element Care should be taken to avoid amplifier clipping It is important to understand that a low power amplifier driven into clipping is more likelv to damage a loudspeaker than a higher power amplifier used within its ratings This is because music signals have a high peak to average crest factor When an amplifier is severelv overdriven its output waveform is clipped its peaks are squared off reducing the crest factor In extreme cases the waveform can approach that of a square wave An amplifier is normallv capable of producing far more power under these conditions than its undistorted rated power output The use of verv high power amplifiers with outputs much greater than those recommended is discouraged Care should also be taken to avoid switch on surges which can result in momentarv power peaks in excess of specified ratings The PXA8000 element has a protection circuit to avoid this between the integrated processor and amplifier Nevertheless this circuit only works within the PXA8000 components if you switch off your mixer or any other exterior component the power surge will occur When powering up a sound system it is important to switch on
7. butor NEXT Proaudio cannot be held responsible for defects caused bv unauthorized modifications improper use negligence exposure to inclement weather conditions act of God or accident or any use of this product that is not in accordance with the instructions provided by NEXT Proaudio NEXT Proaudio is not liable for consequential damages This warranty is exclusive and no other warranty is expressed or implied This warranty does not affect your statutory rights SPARE PARTS Reference Description NCO1710 NEXT PXH64 Grille NCO3710 NEXT PXH64 60 x 40 1 4 Horn BB01261 NEXT PXH64 HF 1 4 Driver BB05063 NEXT PXH64 MF 12 Driver NCS05710 Next PXH64 Connections Back Panel ACCESSORIES Reference Description Wheel Kit BA00004 Cargo Restraint Track with Double Stud Ring VP11224 NEXT M8 Evebolt NCO7712 NEXT PX Svstem Splav adjustment kit 16 Next PXH64 User Manual www next proaudio com CONTACTS In case of anv doubts or anv information just Write us NEXT PROAUDIO Rua da Venda Nova 295 4435 469 Rio Tinto Portugal Contact us Tel 351 22 489 00 75 Fax 4351 22 480 50 97 Send an e mail infoOnext proaudio com Search our website www next proaudio com V102013 17
8. d response variations damping factor The following table indicates for 3 common sizes a cable length with a maximum serial resistance equal to 490 of the load impedance damping factor 25 cabisiexction Maximum Length related to load impedance 80 49 1 5 mm 12 m 40 ft 6 m 20 ft 2 5 mm 20 m 64 ft 10 m 32 ft 4 mm 32 m 104 ft 16 m 52 ft V102013 5 Next PXH64 User Manual www next proaudio com CONNECTION AND ELECTRIC DIAGRAM The PXH64 is connected through Neutrik Speakon NL8FC plugs not supplied A wiring description is printed on the connections panels located on back of the cabinet e NET www next proaudio com PXH64 COAXIAL MID HIGH SPEAKER DISPERSION 60 x40 Rotatable oP PXH64 n T LU XA MID HI ANA pes NN MANU e EUROPE e l E T e PXL118 Oe e 9 WARNING SUB1 Sx Bohm This unit is capable of producing in excess of potentially dangerous levels PARALELL INPUT OUTPUT o The 8 pins of the 2 NL8 Speakon sockets are wired in parallel within the enclosure Either connector can be used to connect to the amplifier or another Sub See the table and the diagram below NL8 PIN Description 1 PXL118 SUB1 Reserved l PXL118 SUB1 Reserved 2 PXL118 SUB2 Reserved 2 PXL118 SUB2 Reserved 3 PXH64 MID 3 PXH64 MID 4 PXH64 HIGH 4 PXH64 HIGH Next PXH64 User Manual www next pro
9. driven at high levels Next PXH64 User Manual www next proaudio com Stacking Alwavs ensure that the floor or structure where the stack will take place is even and can withstand the weight of the complete stack Do not stack speakers too high especiallv outdoors where winds could topple the stack Be aware that speakers working at verv high power levels generate vibrations that can creep the svstems Take additional measures to prevent this if needed Place cables in a wav that thev do not present a trip hazard Don t place anv objects on top of the stack thev can fall accidentallv and cause injuries Do not attempt to move the enclosures while connected Trv not to operate the PXL118 under heavv rain or moisture it is weather resistant but not completelv weather proof Also do not expose the svstems to extreme heat or cold conditions to prevent component damage Rigging and suspension WARNING DO NOT SUSPEND PXL118 Sub1 In the NEXT PX system only the PXL118 Sub 2 PXH64 and PXA8000 are designed to be suspended PXL118 Sub 1 was not designed having suspended use in mind Before rigging or suspending any NEXT PX system component inspect all components and all hardware for any signs of damage or missing parts If you find any damaged corroded or deformed parts do not use them replace them immediately Do not use hardware that isn t load rated or that its rating is not enough to handle the system s weight with a good safety factor D
10. e Despite that hanging more than three units on the same vertical stack is not advised C gt Flying Points TROUBLESHOOTING Simple troubleshooting does not require sophisticated measurement equipment and can be easily undertaken by users The technique should be to segment the system in order to identify the faulty system component signal source controller amplifier loudspeaker or cables Most installations are multi channel It is often the case that one channel works and others do not Trying different combinations of system elements can usually help to isolate and locate the fault Some cabinet faults can be quite easily identified and corrected by the user A simple sweep with a sine wave generator can be very helpful though it MUST be made at a fairly low level to prevent damage to the components A sine wave sweep can help find 14 Next PXH64 User Manual www next proaudio com e Vibrations due to loose screws e Air leak noises check that no screws are missing particularly where the accessories attach to the cabinet e Vibrations due to a front grille badly positioned on the quick release fixings e Foreign object that has fallen into the cabinet after repair or through the ports e Internal connection wires or absorbing material touching the loudspeaker diaphragm check by removing the bass loudspeaker e Loudspeaker not connected or phase reversed following a previous inspection
11. et s proceed with a standard stack Step 1 Start with PXL118 Sub 1 and place PXL118 Sub 2 on top of it PXL118 SUB 2 PXL118 SUB 1 V102013 re Next PXH64 User Manual www next proaudio com Step 2 Place the PXA8000 on top of the PXL118 SUB 2 Step 3 Last place the PXH64 on top of the PXA8000 It s as easy as it can be Next PXH64 User Manual www next proaudio com Ok this is the standard configuration of the PX Svstem Now vou can proceed and connect the svstem as explained on the PXA8000 user manual But sometimes vou mav need to tilt the PXH64 a little to better address the audience The PX System is towering by itself it s easily predictable you will need to tilt the PXH64 For that you will need the PX Splay adjustment kit mentioned earlier This splay kit allows frontward tilt in 5 or 10 NCO7712 This kit can be applied connecting the PXH64 to the PXA8000 power rack or connecting the PXH64 to PXL118 Sub 2 The assembly method is exactly the same so we ll review only the assembly for a frontward tilt between the PXH64 and the PXA8000 Step 1 Remove the upper two screws of the PXA8000 on the rear as shown in the picture V102013 11 Next PXH64 User Manual www next proaudio com Step 2 Remove the screw on
12. on t forget that the hardware won t just hold the systems weight It has to be sturdy enough to handle dynamic forces like winds without any part deformation NEXT PX system installation should only be carried out by qualified personnel Always use adequate protective clothing and equipment to prevent possible injuries Isolate the surrounding area during installation and operation to prevent general public presence near the systems Also be sure you understand all local and national regulations regarding equipment installation Failure to comply with these instructions may result on injury or death UNPACKING Each NEXT PX system component is built in Europe Portugal by NEXT Proaudio to the highest standard and thoroughly inspected before it leaves the factory When unpacking the NEXT PXH64 examine it carefully for any signs of possible transit damage and inform your dealer immediately if any such damage is found It is suggested that you retain the original packaging so that the system can be repacked in the future if necessary Please note that NEXT proaudio and its authorized distributors cannot accept any responsibility for damage to any returned product through the use of non approved packaging V102013 lt 35 Next PXH64 User Manual www next proaudio com PX SYSTEM OVERVIEW The PX system is a complete plug n play processor controlled horn loaded stacking P A system optimized for flexible very high power modular
13. the PXH64 rear group as shown in the image Step 3 Follow the full standard assembly as described earlier Then place the adjustment guides on the PXA8000 one at each side like in the image below Position the screws but do not tighten them just yet Next PXH64 User Manual www next proaudio com After positioning the screws pull the PXH64 Vou will notice that if vou don t tighten the screws the guide will position in a way that if you let it go down slowly it will enter the cavity of the nearest angle So if you pull halfway and then let go you will have a 5 splay and if you pull it over to the top it will enter the 10 cavity Notice that this system only works the way up If you want to descend from 5 or 10 into 0 someone will have to hold the guides in place for you When the guides reach the splay you want tighten the screws V102013 3 Next PXH64 User Manual www next proaudio com FLVING THE SVSTEM The PX Svstem elements that can be suspended like the PXH64 were designed to be suspended using standard cargo restraint tracks or evebolts Anv of the exterior screws on the PXH can be used for that purpose The cabinet is steel braced from the insid
Download Pdf Manuals
Related Search