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1. Be sure you have the latest version of K framework installed on your personal computer also in order to keep all systems firmware and preset banks up to date To download your free K Framework software please navigate to the K array Software Download page located at http www k array com en download software html Download the latest 32 or 64 bit installer Decompress the zip file and extract the K Framework setup installer file Windows Vista and Windows users can install the software by simply running the K Framework setup file Windows XP users are required to install the necessary USB drivers separately SYSTEM REQUIREMENTS Operating System Windows XP Vista 7 8 CPU Intel Pentium Dual Core Memory 2 GB REQUIRED COMPONENTS Microsoft NET Framework 4 Microsoft Visual C 2010 Redistributable Package x86 Microsoft Visual C 2010 Redistributable Package x64 14 REV A KRM33 10 COVERAGE KRM33 provides two different coverage settings in order to meet different operating needs Flood setting 70 widens horizontal dispersion img 3 and is suggested for single speaker applications Spot setting 30 is suggested when a narrow coverage is needed img 4 and when KRM33 is used in array configuration with other KRM33 img 5 amp 6 flood img 3 Flood coverage img 4 Spot coverage 15 REV A KRM33 spot EN img 5 img 6 16 REV A KR2. 9 REV A KRM33 7 PHYSICAL 9 3in 10 4 10 4in 263 4mm 7 50in 190 6mm 14 2 11 9in 302 3mm 5 2 Kg WEIGHT 1451 REV A KRM33 11 8 AMPLIFIER 8 1 AC POWER CONNECTOR The amplifier module and any audio equipment connected to it mixing consoles processors etc must be properly connected to the AC power distribution preserving AC line polarity All grounding points should be connected to a single node or common point using the same cable gauge as the neutral and line cables Bad grounding connections within an audio system can produce noise hum and or serious damage to the input output stages in the system s electronic equipment N Before applying AC to any K array self powered speaker be sure that the voltage potential difference between neutral and earth ground is less than 5 VAC 8 2 VOLTAGE REQUIREMENT The KRM33 will operate safely without interruption provided the AC voltage remains within 85V 268V at 5O or 60 Hz Please verify that your AC mains connection is capable of satisfying the power ratings for the device CAUTION Do not connect the system to AC power mains exceeding 270V Doing so will cause significant damage to the device and create serious risk for users 8 3 CURRENT REQUIREMENT The KRM33 presents a dynamic load to the AC mains drawing additional current as operating levels incre
3. studios as well as under balcony speakers in theaters All the components of the Redline KRM33 are designed by the K array R amp D department and made in Italy under the K array quality control system 2 APPLICATIONS 3 KEY FEATURES e Arrayable wedge monitor e Selectable horizontal coverage e ceiling and under balcony speaker e extended frequency response e corporate installations e strong stainless steel chassis e house of worship e controlled horizontal dispersion e small clubs e theatrical sound reinforcement 6 REV A KRM33 4 UNPACKING Each K array loudspeaker is built to the highest standard and thoroughly inspected before leaving the factory Upon arrival carefully inspect the shipping carton then examine and test your new loudspeaker If you find any damage immediately notify the shipping company Only the consignee may institute a claim procedure regarding the system s electronic equipment 5 PACKAGE CONTENT 7 REV A KRM33 6 SAFETY AN Carne AN Read all safety information below and operating instructions before using this device to avoid injury Safety and handling information Warning Failure to follow these safety instructions could result in fire shock or other injury or damage to the device or other property It is important that loudspeaker systems are used in a safe manner Avoiding Hearing Damage Professional loudspeakers are capable of producing extremely high sound
4. input f PowerCon link output 12 REV A KRM33 8 5 AUDIO INPUT CONNECTOR WIRING XLR connector The Audio section includes parallel LINK which allows users to distribute an audio signal to multiple eo units Up to 30 different modules can be connected in parallel on the same balanced line with a source output impedance of 600 ohm CH 1 Line Input female balanced XLR is wired in parallel to CH1 Line Parallel Out male balanced XLR To create your own audio cables please use img 2 the following wiring diagrams 8 AMPLIFICATION AND PROTECTION CIRCUITRY The KMR33 is powered by a 2 channel digital amplifier with 2 x 125W 40 output power per channel EIAJ test The KRM33 s amplifier functions including crossovers equalization and phase response are controlled by an on board DSP processor KRM33 s amplifier is equipped with several protection circuits to prevent damage Two independent audio limiters Clip Limiter and Average Power Limiter protect the internal circuitry against overload A Peak Current Shut Down protects the output stage If tripped Peak Current Shut Down will reset after 2 seconds A Temperature Protection Limiter also ensures the output stage stays below a temperature of 85 C approximate temperature of output power device 13 REV A KRM33 9 K FRAMEWORK K framework is a management software for K array speaker systems Version 1 8 is enabled to also manage the KRM33 as well
5. levels and should be used carefully Never stand close to loudspeakers driven at high volume Set the volume to a safe level Over time you can adapt to a higher volume of sound that may sound normal but can be damaging to your hearing Hearing loss gets worse every time you re exposed to a sound level of 90 dB or over for an extended period of time If you experience ringing in your ears or muffled speech stop listening and have your hearing checked The louder the volume the less time is required before your hearing could be affected Choking Hazards This device contains small parts which may present a choking hazard to small children Keep the device and its accessories away from small children Avoiding Water and Wet Locations Do not install the system in wet or humid locations without using weather protection Take care not to spill any food or liquid on the device In case it gets wet unplug all cables turn off the device before cleaning and allow it to dry thoroughly before turning it on again Do not attempt to dry the device with an external heat source such as a microwave oven or hair dryer A device that has been damaged as a result of exposure to liquids could be not serviceable If the device is exposed to rain or excess moisture unplug the power cord immediately Keeping the Outside Clean Handle the device with care to maintain its appearance To clean it unplug all cables and turn it off Warning unplugging the power cord is
6. relating equipment designed for the use within certain voltage limits This declaration applies to all specimens manufactured in accordance with the attached manufacturing drawings which form part of this declaration Assessment of compliance of the product with the requirements relating to electromagnetic compatibility and low voltage directive was based on the following standards Marking Applying Year Applied by Signed by 22 EMC Safety EN 55103 1 2009 EN 55103 2 2009 EN 61000 3 2 2006 A1 A2 EN 61000 3 3 2008 EN 60065 2002 A1 A11 A2 A12 K array s u r l Via Paolina Romagnoli 17 50037 5 Piero a Sieve Firenze Italy Tel 439 055 8487222 Fax 39 055 8487238 2013 Franco Spataro REV A KRM33 The contents of this manual are furnished for informational purposes only K array surl assumes no responsibility for any errors or inaccuracies that may appear in this manual K array reserves the right to make modifications without prior notice 23 REV A 24 U M C O O 1 A A O 1 E N A K array s r l unipersonale Via Paolina Romagnoli 50037 San Piero a Sieve Firenze Italy tel 39 055 8487222 fax 39 0558487238 e mail info k array com www k array com REV A
7. should be placed so that its location does not interfere with its proper cooling For example the device shouldn t be placed on beds carpets or similar surfaces that could create an obstacle for the ventilation openings To reduce the risk of electric shock unplug the power cord before connecting audio cables Set up your device on a stable horizontal surface If combined or mechanically connected with other products always verify the stability of the system set up Install the unit only in a location that can structurally support the weight of the unit far away from people who can interfere with the stability of the system In case of outdoor installation assure that the wind does not interfere with the system s stability taking extra securities like chains weights ropes or any other certified anchoring systems Doing otherwise may result in the unit falling down causing personal injury or property damage Doing otherwise may result in the unit falling down causing personal injury or property damage The system should only be suspended by qualified personnel following safe rigging practices Secure fixings to the building structure are vital To clarify any doubt you may have seek help from architects structural engineers or other specialists Protect the power cord from being walked on or pinched This audio system is not intended for use in the operation of nuclear facilities aircraft navigation or communication systems air traffi
8. KRM33 KRM33 USER S GUIDE English 1 REV A KRM33 2 REV A KRM33 CONTENTS 1 INTRODUCTION 2 APPLICATIONS 3 KEY FEATURES 4 UNPACKING 5 PACKAGE CONTENT 6 SAFETY 7 PHYSICAL 8 AMPLIFIER 8 1 AC POWER CONNECTOR 8 2 VOLTAGE REQUIREMENT 8 3 CURRENT REQUIREMENT 8 4 REAR PANEL 8 5 AUDIO INPUT CONNECTOR WIRING 8 AMPLIFICATION AND PROTECTION CIRCUITRY 9 K FRAMEWORK 10 COVERAGE 11 ACCESSORIES AND CONFIGURATIONS 12 SERVICE 13 SPECIFICATIONS 14 DISPERSION DIAGRAMS 15 DECLARATION OF CONFORMITY 0 N O 10 11 11 11 11 12 13 13 14 15 17 19 20 21 22 REV A KRM33 4 REV A KRM33 A gt PD 2002 95 EC SYMBOLS K array declares that this device is in compliance with applicable CE standards and regulations Before putting the device into operation please observe the respective country specific regulations WEEE Please dispose of this product at the end of its operational lifetime by bringing it to your local collection point or recycling center for such equipment This symbol alerts the user to the presence of recommendations about the product s use and maintenance Warning Dangerous voltages RISK of electric shock Terminals marked with this symbol are HAZARDOUS LIVE and the external wiring connected to these terminals requires installation by an instructed person or the use of ready made leads or cords This symbol alerts t
9. M33 11 ACCESSORIES AND CONFIGURATIONS K R3WALL1 The K R3WALL1 mounting accessory is designed to fasten KRM33 and KRM33P on walls and ceilings A marmo A Before connecting KRM33 KRM33P speakers to a K 3WALL 1 check the stability of the surface where K 3WALL1 is to be fixed to The K 3WALL1 should not be placed in a zone accessible to the audience Please read the K 3WALL1 s user manual and follow the mounting instruction 17 REV A 18 KRM33 The KRM33 or KRM33P can be installed as a ceiling speaker to create a PA system in low clearence rooms img 7 The KRM33 or KRM33P can be used on small and medium live stages as floor monitor The controlled horizontal pattern allows to manage easily coverage and SPL for different needs a N M img 8 KRM33 12 SERVICE 19 To obtain service 1 Contact the official K array distributor in your country Your local distributor will direct you to the appropriate service center 2 If you are calling for service please have the serial number s of the unit s available for reference Ask for Customer Service and be prepared to describe the problem clearly and completely 3 If the problem cannot be resolved over the phone you may be required to send the unit in for service In this instance you will be provided with an RA Return Authorization number which should be included on all shipping
10. ase Different cables and circuit breakers heat up at varying rates so it is essential to understand current ratings and how they correspond to circuit breaker and cable specifications Maximum continuous RMS current measured over a period of at least ten seconds is used to calculate the temperature increase in cables which drives the proper size and gauge cable and rating for slow reacting thermal breakers Maximum burst RMS current measured over a period of approximately one second is used to select the rating for fast reacting magnetic breakers For best performance voltage drops should not exceed 10 at 115V or 5 at 230V REV A KRM33 The minimum electrical service amperage required by a K array loudspeakers system 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 KRM33 max continuous apparent power W 230W gt 10 sec 660W lt 1 sec 8 4 REAR PANEL img 1 1 XLR balanced input 2 XLR parallel balanced output 3 Bass Enhancement switch button When button is pressed bass enhancement is ON and the frequency response of the speaker extends down to 60Hz 4 Coverage switch button This button switches between Spot and Flood coverage When button is pressed Flood mode is active 5 USB socket for remote EQ adjustment and firmware updates K framework management software 6 PowerCon
11. c control systems or for any other uses where the failure of the audio system could lead to death personal injury or sever environmental damage Do not make repairs yourself Caution risk of electric shock Do not open the device it contains potentially hazardous voltage Never attempt to disassemble repair or modify the system yourself Disassembling the unit may cause damage that is not covered under the warranty The device contains no user serviceable parts Repairs should only be performed by factory trained service personnel Do not plug the power cord if you suspect that your device needs service or repair Voltage requirement Make sure that the supplied voltage stays within the specified range Verify that your mains connection satisfies the power ratings of the device Only connect the power supply to an appropriate power outlet Warning The device must be only connected to an AC three wire grounding outlet If your outlet isn t grounded contact a licensed electrician to replace it with a property grounded outlet Warning connecting the system to an AC power mains with a voltage exceeding 270 V will cause significant damage to the device and create a serious risk for users The devices which feature powerCON connectors allow power supply to other devices from the white outlet socket The maximum power value which can be picked up from that socket changes according to the device model Please read the user manual carefully
12. documents and correspondence regarding the repair Shipping charges are the responsibility of the purchaser Any attempt to modify or replace components of the device will invalidate your warranty Service must be performed by an authorized K array service center Cleaning Use only a soft dry cloth to clean the housing Do not use any solvents chemicals or cleaning solutions containing alcohol ammonia or abrasives Do not use any sprays near the product or allow liquids to spill into any openings REV A KRM33 13 SPECIFICATIONS 20 Speaker power handling Frequency range SPL 1W 1mt Maximum SPL Horizontal Vertical Type Frequency Horizontal pattern Response Analog connector Connector Connector Type Nominal power output Protection Frequency response Damping factor 80 100 Hz THD N 1KHz 1 W Nominal voltage Operating range I Nom Quiescent power with no signal in rated power pink noise 4 Q Peak power Dimensions Weight KRM33 specs Acoustics 180 W ES 70 Hz 20 KHz 100 Hz 20 KHz 2 93 dB 115 dB cont 121 dB peak Coverage DSP controlled 30 70 selectable 90 Crossover DSP controlled 70 Hz minimum preset dependent Transducers 3 X 3 15 Neodymiun cone driver with 1 voice coil 1 X 6 passive radiator Selection Switch Spot Flood Bass Enhancer Audio Input 1 male 1 female 3 pin balanced XLR Remo
13. he user to the presence of recommendations about product s use and maintenance This device complies with Restriction of Hazardous Substances Directive REV A KRM33 1 INTRODUCTION The KRM33 or the cheese box as it has been affectionately nicknamed is an ultra compact and low profile powered wedge speaker with a controlled horizontal pattern and has an extended frequency response It is made up of three 3 15 cone drivers and one 6 passive radiator This combination guarantees a controlled and linear emission on a really wide range with a bass enhancement mode that can go from TOHz to 18KHz The KRM33 is equipped with a two channel amplifier and a DSP that can be used to adjust the EQ directly inside the box An USB direct connection guarantees an easy plug amp play connection The DSP also offers the possibility of changing the horizontal pattern of the single speaker and its bass response two buttons located at the back of the box are used to quickly change these settings without the need of a computer The controlled horizontal dispersion gives the possibility of creating horizontal arrays which increase the SPL and the coverage while maintaining a high and constant signal before feedback within all the cluster s beams The stainless steel chassis is a sturdy and durable box solution which is also remarkably short in height Thanks to this feature the KRM33 can be easily and discreetly integrated in scenography designs broadcast
14. te Control Input 1 USB type B Power Input 2 x PowerCon IN OUT Amplifier 1 module class D DSP controlled 2X125W 94 O 1 THD NOISE Dynamic limiter Over current Short circuit 20 Hz 20 KHz all load 0 5 dB gt 500 0 003 AC Power 115 230 Vac auto switching 85 132 Vac 170 264 Vac 50 60 Hz 2A 115 Vac 1A 230 Vac Consumption 10 W 110 W 660 W 120 ms Certification 40 Physical 26 6 x 10 3 x 3 02 cm 10 47 x 4 06 x 11 89 5 2 Kg 11 59 16 Notes for data 1 Bass enhancer ON 2 Bass enhancer OFF New materials and design are introduced into existing products without previous notice Present systems may differ in some respects from those presented in this catalogue REV A KRM33 14 DISPERSION DIAGRAMS Horizontal Flood 8KHz 4KHz 1KHz 500Hz 250Hz e Horizontal Spot 8KHz 4KHz 1KHz 500Hz 250Hz ed m Vertical 8KHz 4KHz 1KHz 500Hz 250Hz 21 REV A 15 DECLARATION OF CONFORMITY Manufacturer Importer K array s u r Brand Address Date of Issue Model Code Declaration K ARRAY via Paolina Romagnoli 17 50037 5 Piero a Sieve Firenze ITALY 10 01 13 KRM33 Complies with safety essential requirements of Council Directive 2004 108 EC on the approximation of the Laws of the Member States relating to electromagnetic compatibility 2006 95 EC on the harmonisation of the laws of member state
15. the only way to disconnect the power completely Then use a soft dry or slightly damp cloth Avoid getting moisture in the openings Don t use window cleaners household cleaners aerosol sprays solvents alcohol ammonia or abrasives to clean the device Carrying Handling and Installing the device The device contains sensitive components Do not drop disassemble open crush bend deform puncture shred microwave incinerate paint or insert foreign objects into it If your device has been dropped or damaged or if liquid has been spilled into the chassis unplug the power cord immediately Do not operate speakers for an extended period of time with sound distortion This is an indication of malfunction which in turn can generate heat and result in a fire To reduce the risk of overheating the device avoid exposing it to direct sunlight and take care to do not 8 REV A KRM33 install it near heat emitting appliances such as a room heater or stove No naked flame sources such as lighted candles should be placed near the device Operate the device in a place where the temperature is between 20 C and 50 C 4 F to 122 F Avoid dramatic changes in temperature or humidity when using it as condensation may form on or within the device During the use it is normal for the device to get warm The exterior of the device functions as a cooling surface that transfers heat from inside the unit to the cooler air outside The device
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