OVERBASS Ko70
Contents
1. circuit breaker and cable specifications The maximum continuous RMS current is the maximum RMS currentin a period of at least ten seconds It is used to calculate the temperature increase in cables which is used to select cables that conform to electrical code standards It is also used to select the cable size and gauge and the rating for slow reacting thermal breakers The maximum burst RMS current is the maximum RMS current in a period of approximately one second Itis used to select the rating for most magnetic breakers The maximum instantaneous peak current during burst is used to select the rating for fast reacting magnetic breakers and to calculate the peak voltage dropin long AC cables according to the formula V pk drop I pk x R cable total For best performance the AC Cable voltage drop should not exceed 10 Volts or 10 at 115V and 5 at 230V Use Table 1 below as a guide when selecting cable gauge size and circuit breaker ratings for your operating voltage The minimum electrical service amperage required by a system of Ko70 is the sum of their maximum continuous RMS current We recommend allowing an additional 30 above the minimum amperage to prevent peak voltage drops at the service entry Ko70 Current Rating Standard 16A gt 10 sec 32A lt 1 sec MOGIAAGN ENVIA 5 POWER CONNECTOR WIRING CONVENTIONS The Ko70 requires a grounded outlet Itis very importantthatthe system be properly grounded for both2. safety and proper operation Use the following wiring diagram to create power cables and distribution systems CAUTION The Ko70 require a ground connection Always use a grounding outlet when connecting these units CAUTION Do notoperate the unitifthe powercables are frayed or broken CAUTION Keep all liquids away from the Ko15 amplifiers to avoid hazards from electrical shocks 6 CONNECTIONS The Ko70 presents a 10k ohm balanced input impedance to a three pin XLR connector with the following connectors pin1 Ground pin2 Signal pin3 Signal CAUTION Shorting an input connector pin to the case can form a ground loop and cause hum Pins 2 and 3 carry the input as a differential signal pin 2 is hot relative to pin 3 resulting in a positive pressure wave when a positive signal is applied to pin 2 Use standard audio cables with XLR connectors for balanced signal sources Make sure that pin 1 shield is always connected on both ends of the cable lfabnormal noises suchas hiss and popping are produced by the loudspeaker disconnect the audio cable from the speaker lf the noise stops then most likely the problem is not with the loudspeaker Check the audio cable source and AC power forthe source of the problem Audio signals can be easily chained using the loop output connector on the user panel of the Ko70 A single source can drive multiple Ko70 with a paralleled input loop creating a
3. 3dB preset relating 20 HZ 150 Hz 3dB preset relating 99 5 dB 136 dB continuos 140 dB peak omni array dependent omni array dependent DSP controlled preset relating 150 Hz max suggested preset relating 2 X 21 High excursion neodymium speakers with 6 voice coil male female parallel 3 poles balanced XLR Pint ground Pin2 hot Pin3 cold 2 x female 8 poles RJ45 2 x PowerCon IN OUT 2 modules class D DSP controlled 3500 watts x 2 channels on 8 ohm 7000 watt total Dynamic limiter over current over temp short circuits Standard 100 240 Vac 50 60Hz auto range Standard 16A gt 10 sec 32A lt 1 sec 115x60x85 cm 78 Kg Notes for data 1 Power handling is measured following AES standard conditions transducers driven continuously fortwo hours with a band limited noise 2 Max power is the maximum RMS applicable power for a musical signal the referement signal is the one proposed by EIAJ standard 3 Recommended maximum operating frequency range Response depends on loading conditions and room acoustics 4 Free field measured with 1 3 octave frequency resolution at 2 mt 7 This is the frequency in which the transducers produce the same sound pressure level measured 2 mt 8 Amplifier wattage rating is based on the maximum unclipped burst sine wave RMS voltage that the amplifier will produce into the nominal New materials and design are introduced into existing products without previous n
4. USER S MANUAL ENGLISH N WWW KAI EN CON OVERBASS Ko7O SAFETY INSTRUCTIONS CAUTION This symbol wherever it appears alerts you to important operating and maintenance istructions in theaccompanyingliterature Read the manual Detailed Safety and Operation Instructions All the operation instructions and safety should be read before the machine is operated Follow instructions All operation and user instructions should be followed by the user or the installer Retain Instructions The safety and operating instructions should be carefully retained for future reference Heed Warnings All warnings on the machine and in the operating instructions should be adhered to Water and Moisture The machine should not be used near water or in place full of moisture Ventilation The machine should be placed so that its location does not interfere with its proper ventilation For example the appliance should not be situated on a bed carpet or similar surface that may create an obstacle for the ventilation openings or placed in a built in installation such as a bookcase or cabinet that may impede the flow of air around the machine Heat The machine should be situated far away from heat sources such as heat registers radiators stoves or other machines including amplifiers that produce heat Power Cord Protection Power supply cord
5. g on the SpeakerA check that it is on mode 16x16 and NOT 4x4 If SpeakerA is in mode 4x4 just turn off the speaker and keep press the Preset button during the turning on The preset are cloned to the SpeakerB USER S MANUAL P 6 MOGIAAGN VS 10 POWER SUPPLY 8 AUDIO SECTION Ko70 modules are using PowerCon connectors for power supply It is possible using the link connector to have more modules on the same power supply line You can wire a max of 4 modules on the same line if the use of them will be within the 50 of their max power For full power use connect max two modules onthe same power supply line The Audio section includes a female balanced XLR connector and a male XLR connector wired in parallel Thanks to these connectors it is possible to feed a module and to send the same signal to another one through the LINK connector It is possible to connect till 30 different modules in parallel on the same balanced line with a source of 600 ohm output impedance A Level Control potentiometer PAD allows differentsetlevels The ground lift switch can help to solve ground loop problems due to wrong ground wiring AUDIO LEVEL 8 GROUND LIFT BALANCED AUDIO INPUT BALANCED AUDIO PARALLEL LINK GROUND CIRCUIT LOOP SWITCH MAIN POWER SWITCH MAIN AC POWER SUPPLY IN MAIN AC POWER SUPPLY LINK OUT III A x CAUTION Connecting more than 3 modules by RJ45 8 poles cable the display of the last off module wi
6. ll start lighting CAUTION To connect high quantity of modules together by remote control it suggested to use K array special 3 pole cables or XLR adapters USER S MANUAL MOGIAAGN ENVIA 11 MAINTENANCE INSPECTION AND MAINTENANCE The K array flying systems are an assembly of mechanical devices and are therefore subject to wear and tear over prolonged use as well as damage from corrosive agents extreme impact or inappropriate use Such inspection includes examination of all load bearing components for any sign of undue wear twisting buckling cracking rusting or other corrosion Metal seams and welds should be examined for any sign of separation or deformation HP Sound Equipment strongly recommends that written documentation be maintained on each K array flying system noting date of inspection name of inspector points of system checked and any anomalies discovered CAUTION Because of the safety issue involved users must adopt and ad here to a schedule of regular inspection and maintenance In touring applications key components must be inspected be for each use REPLACEMENT PARTS Any component found to be defective or any safety related component you even suspect might be defective should be replaced with the equivalent approved part Parts specific to aK array system should be ordered directly from HP Sound Equipment No attempt should be made to substitute what appears to be equivalent or mo
7. n the system s electronic equipment CAUTION Before applying AC to any K array self powered speaker be sure thatthe voltage potential difference between neutral and earth ground is less than 5 VAC 3 VOLTAGE REQUIREMENTS The Ko70 operates safely and without audio discontinuity if the AC voltage stays within either of two operating windows 95 125 or 100 240 V at 50 or 60 Hz WHEN YOU SWITCH ON THE UNIT The main power supply slowly ramps on the green display on the user panel lights up and the green leds on the left side lights upflashing indicatingthatthesystemisenabledandreadytoprocessaudiosignals CAUTION If the Display does not illuminate or the system does not respond to audio input after ten seconds remove AC power immediately Verify that the voltage is within the proper range If the problem persists please contact HP Sound Equipment or an authorized service center NOTE It is recommend that the supply be operated in the rated voltage windows at least a few volts away from the turn on off points so that small AC voltage variations do notcause the amplifierto cycle on and off 4 CURRENT REQUIREMENTS The Ko70 present a dynamic load to the AC mains which causes the amount of current to fluctuate between quiet and loud operating levels Since different cables and circuit breakers heat up at varying rates itis essential to understand the types of current ratings and how they correspond to
8. n unbuffered hard wired loop connection When driving multiple Ko30 in an array make certain that the source device can drive the total load impedance presented by the paralleled input circuit of the array The audio source must be capable of producing a minimum of 20 dBV 10 Vrms into 600 ohms in order to produce the maximum peak SPL over the operating bandwidth of the loudspeaker 7 AMPLIFICATION AND PROTECTION CIRCUITRY The Ko70 is powered by the K array digital power amplifier with a total power of 3000 3000 watts All the specific functions for the Ko70 such as crossovers frequency phase response and driver protection are determined by aDSP processor installed inside the amplifier All K array loudspeakers are shipped with the drivers in correct alignment However if a driver needs to be replaced make sure the replacement is reinstalled with the correct polarity Incorrect driver polarity impairs the system performance and may damage the drivers MOGIAAGN VS 8 DSP CONTROL 8 REMOTE CONTROL The Ko70 have a powerful DSP that manages all the functions of the speakers Each system can store on board 16 preset that can be recalled pushing the PRESET button Once the preset will appear on the lower line of the display it will become automatically available after few seconds If you desire to seta preset as default you just need once selected it to keep pressed for five seconds the PRESET button After that this preset
9. otice Present systems may differ in some respects from those presented in this brochure Physical Measures Weight signal having 6 dB of crest factor 5 Measured 4 mt then scaled 1 mt 6 Measured with audio source 1 mt load impedance USER S MANUAL IMOGIAPRGI SV GO Y DO Wi a Ne UN QQ A K array System www k array com by HP Sound Equipment s r l Firenze Italy tel 39 055 8487222 fax 39 055 8487238 e mail info k arrav com Viale Roma 7 i 50037 San Piero a Sieve USER S MANUAL MEGTAAGI VS
10. should be routed so that it is not likely to be walked on or pinched by items placed upon or against it paying particular attention to cords Cleaning The machine should be cleaned only as recommended by the manufacturer Object and Liquid Entry Care should be taken so that objects do not fall and liquids are not spilled into the enclosure through openings do not leave bottles or cans upon the unit Damages that Require Service The unit should be serviced by qualified service personnel in the following cases 1 The external power cord or the plug has been damaged 2 The enclosure of the unit has been damaged 3 The unit has been exposed to water or moisture 4 The unit does not appear to operate normally or exhibits a marked change in performance 5 Objects have fallen or liquid has been spilled into the unit Servicing The user should not attempt to service the unit beyond what is described in the Operating Instructions All other servicing should be referred to qualified and authorized service personnel MOGIAAGN VS TABLE OF CONTENTS 1 2 10 11 12 13 14 15 16 INTRODUCTION AC Power Distribution Voltage Requirements Current Requirements Power connector wiring Connections Amplification Protection circuitry DSP 8 REMOTE control DSP Cloner function Power supply audio section Maintenance Accessories Physical Ko70 presets Configuration Technical da
11. stly the same generic replacements To the best of our knowledge most of these suppliers are reputable and their products are reliable However HP Sound Equipment has no way of assuringthe quality of products made bythese various suppliers Therefore HP Sound Equipmentis notresponsible for problems caused by components thatwere notsupplied by HP Sound Equipment 12 ACCESSORIES KO TR2 trolley KO COVER2 Protection strong bag 13 PHYSICAL as 115 Gr Weight 78Kg 102 cm ME ptt A e RAS Le RN O TRA E pe gt a 0 8 e D Se A CS e _ SITES JET TL el EEE EN SSN lt 64 A NL rs e DI ee er AE eee KECI VS KO7O Presets Ko70l Infra sub 15 CONFIGURATIONS INTIME KKOO MOGIAAGNI VS 16 TECHNICAL DATA Acoustics Power handling Max power Impedance Operating frequency range Frequency range SPL 1W 1mt Maximum SPL Coverage Horizontal Vertical Cross over Type Frequency Transducers Low Mid frequency Audio Input Connectors Wiring Remote control Input Connectors Power Input Connectors Amplifiers Type Power Protections AC power Operating range Max continuos and burst current 3000 w 8000 w 2x8Q 30 Hz 120 Hz
12. ta NOTES MOGIAHAAGN VS D D D D D D D D D D D gt I I 03 04 04 04 05 05 05 06 06 07 08 08 08 09 09 10 11 1 INTRODUCTION K array is the new voice that sings aloud outside the chorus and whose performance is better than any other products Born on the road in the PA world where you get no discount you have to give your best as fast as you can often with a compressed budget K Array systems have been designed to give precise answers to precise needs K Array systems are driven by new generation digital engines with power dimension weight ratios that are ten times better than any other professional products these systems can be remotely controlled and come with a lot of on board software K array systems can shape their performance following your taste and needs Inside K array systems you will find something that only K array can offer the best in technology proudly conceived designed and produced in Italy If they were cars they would be Ferrari Don t agree to pay for a simple brand claim performance and don t believe those who maintain that these products are only for few people the only truth is that K array systems are unique but affordable and within everybody s reach HP Sound Equipment Overbass Ko7O The KO7O is a self powered high output subwoofer lt has an incredible reserve of power that ens
13. ures very high pressure maintaining the sound quality constant The K070 is ideal for medium and big live applications especially on touring PA systems The K070 is designed to easily integrate with others K array products for example with KH or KHT5 line array satellites The KO7O can be used also with KS4 to make a very directional high power subwoofer The KO7O uses two 21 inches very high excursion cone drivers for very low frequencies with 6 voice coil powered by two power amplifier channels each one of 3500 watt RMS The woofers are mounted ina box that ensures high rigidity and resistance to vibrations The transducers of K070 are driven by an internal DSP module a dedicated remote control software allows to control the speaker from PC All the K070 components are designed by K array R amp D departmentand custom made under K array control quality system OQ NS 2 AC POWER DISTRIBUTION All amplifier modules and the rest of the audio equipment connected to it mixing consoles processors etc must be connected to the AC power distribution in a proper way preserving AC line polarity and connecting earth ground such that all grounding points are connected to a single node or common point using the same cable gauge as the neutral and line s cables Bad grounding connections between speakers and the rest ofthe audio system may produce noise hum and or serious damage to the input output stages i
14. will automatically be recall each time you will switch on your module Itis also possible to remote each module by an RS485 serial port In orderto remote your system you need to seteach module on a different address so that in your chain no one module will have the same address Two rotary encoder allow you to setthe desired address number that will appear on the top line of the display Using the remote control software it is possible to mute each system selecta desired preset loaded on board ordownload a new preset pack For remote control operation please referto REMOTE CONTROLAND SOFTWARE MANUAL in the next pages 4 N PRESET LOADED RESET BUTTON ID ADDRESS x10 x1 PRESET SCROLL RS485 PARALLEL CONNECTIONS USE ONLY K ARRAY CABLES ADAPTERS DO NOT CONNECT TO LAN ETHERNET 9 CLONER FUNCTION It is possible to clone the entire presets bank from Speaker to Speaker without any PC connected We will call SpeakerA the one with the presets bank that you want clone and SpeakerB the one that will be upgraded Set the SpeakerA on ID 99 will appear CLONER on the display Keep SpeakerB on any ID number between 10 and 90 Turn off both the speakers and connect by a RJ45 8 poles cable Turn on the SpeakerB and after the SpeakerA SpeakerA will start to clone on the display will appear a cont down 00 15 01 15 etc Wait till 20 seconds after 15 15 Change the ID of the SpeakerA to any other ID and turn off both Speakers Turnin
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