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K-array KH7, User Manual

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KH7

Ver. 1.2

KH7

USER GUIDE

English

Summary of Contents for KH7

Page 1: ...KH7 Ver 1 2 KH7 USER GUIDE English ...

Page 2: ...ta connection 11 8 1 AES EBU via ethernet KH7 SIGIN 12 8 2 AES EBU via XLR 13 8 3 network connection 14 8 4 AC Mains Power LINK 14 9 configurations 15 9 1 HORN Orientation 15 9 2 single UNIT configurationS 16 9 3 ARRAY configurationS 18 10 digital steering EASE Focus 20 11 remotE control ARMONIA 21 12 RIGGING 22 12 1 INSTALLING ON A FLAT SURFACE 22 12 2 Hanging points 23 12 3 SUSPENDING A CLUSTER ...

Page 3: ...e observe the respective country specific regulations Waste Electrical and Electronic Equipment 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 device complies with the Restriction of Hazardous Substances Directive Warning DANGEROUS VOLTAGE Terminals marked with this symbol carry a ...

Page 4: ...re controlled by an integrated DSP providing a hyper detailed beam steering ability to meet any demanding setup requirement and control sound spillover All DSP functions are remotely controlled via software over ethernet All KH7 s components are designed by the K array R D department and custom made under K array s quality control system Unique performance to size ratio Self powered Mechanically v...

Page 5: ...ot install near any heat sources such as radiators heat registers stoves or other apparatus including amplifiers that produce heat Do not defeat the safety purpose of the polarized or grounding type plug A polarized plug has two blades with one wider than the other A grounding type plug has two blades and a third grounding prong The wide blade or the third prong are provided for your safety If the...

Page 6: ...ur 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 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 Do not install th...

Page 7: ...erify the stability of the resulted system 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 protect the device from rain and moisture Assure that the wind does not interfere with the system s stability taking extra securities like chains weights ropes or a...

Page 8: ...Weight 52 kg 114 6 lbs KH7 Ver 1 2 8 6 Product Overview ...

Page 9: ...r rating for the device CAUTION Do not connect the system to AC power mains exceeding 265V Doing so will cause significant damage to the device and create serious risk for users 7 3 CURRENT REQUIREMENT The amplifier presents a dynamic load to the AC mains power drawing additional current as operating levels increase Different cables and circuit breakers heat up at varying rates so it is essential ...

Page 10: ...e by comparing input and output and NTC Negative Temperature Coefficient thermistors A Peak Current Shut Down and a Temperature Protection Limiter protect the output stage High frequency stationary signals like steady sinusoidal signals improperly referred as continuous or permanent signals with high amplitude tend to stress the amplifier section of the modules as well as the loudspeaker s voice c...

Page 11: ...signal can be sent via Ethernet as well together with the data see Paragraph 9 1 6 Ethernet Port 1 RJ45 connector Either Ethernet Port 1 and Ethernet Port 2 can be used to connect the unit to an Ethernet capable PC or router for remote operation via Armonìa see Armonia User Guide One of the ports can allow another module to be daisy chained Both Control Data and AES EBU Digital Signal can travel t...

Page 12: ... Fault Bypass Technology overcomes any faulty device in the network assuring solid connectivity without any audio or control signal loss In order to connect your digital source to the unit via Ethernet cable you need the KH7 SIGIN accessory It is a cable which features a RJ45 connector at one end and three connectors at the other including 2 female XLR connectors AES EBU Channel A and Channel B an...

Page 13: ...of the first KH7 unit in the chain This unit will behave as the Forwarder module for the digital signal 2 In the Forwarder module connect one Ethenet port choose either Port 1 or Port 2 on the audio data panel with the Ethernet cable to the next KH7 unit that will behave as a Repeater of the AES EBU signal 3 Continue the wiring until you close the chain 4 Set the AESOP preferences which module is ...

Page 14: ...he PC and on every connected module The KH7 system may be set to assign IP addresses manually or automatically See Network Configuration in the Armonia User Guide for further details Using an existing LAN Local Area Network to exchange data via Ethernet between the PC and the amplifiers is not good practice The wiring used for such purpose should always be dedicated 8 4 AC Mains Power LINK Each KH...

Page 15: ...s wide along the axis labeled FLOOD and narrow along the axis labeled SPOT Each horn can be manually rotated 90 using the two handles situated at the front 9 1 HORN Orientation In this position the sound dispersion pattern is wide FLOOD in respect to the x axis and narrow SPOT in respect to the y axis In this position the sound dispersion pattern is narrow SPOT in respect to the x axis and wide FL...

Page 16: ...es below the coverage angle of a single KH7 can be digitally adjusted along the axis of the four loudspeakers Along this axis KH7 behaves like a line array and can be digitally steered since each loudspeaker is controlled by a dedicated DSP channel of the amplifier see Chapter 10 A horizontal KH7 with vertically oriented horns A horizontal KH7 with horizontally oriented horns ...

Page 17: ...1 2 17 A vertical KH7 with vertically oriented horns SPOT Coverage 30 digital adjustment A vertical KH7 with horizontally oriented horns FLOOD Coverage 100 SPOT Coverage 30 FLOOD Coverage 100 digital adjustment ...

Page 18: ...ehaves as a vertical line array The coverage along the vertical axis depends on the number of speakers flown and is digitally adjustable via software FLOOD Coverage 100 SPOT Coverage is the number of speakers dependent and digitally adjustable Vertical array of a vertical KH7 ...

Page 19: ...ly adjustable KH7 Ver 1 2 19 FLOOD Coverage 100 digital adjustment In this configuration the cluster behaves as a matrix of loudspeakers That allows the user to digitally adjust both the horizontal and the vertical coverage Vertical array of a horizontal KH7 ...

Page 20: ...in the desired acoustic result is required With this capability each KH7 has an onboard DSP designed to load FIR filters to achieve the best and most accurate steering results FIR coefficients can be easily calculated with EASE Focus the most accurate acoustic simulation software available in the market Based on input data describing location geometry and sound sources the software computes optima...

Page 21: ...All DSP functions including system EQ delay and the loading of FIR filters calculated with EASE Focus can be controlled with Armonia software Please refer to Armonia User Guide downloadable from the Powersoft website for detailed instructions ...

Page 22: ...tional accessories Ensure that the rubber feet are resting on the floor To place a single unit in vertical position or to ground stack a KH7 cluster use the accessory shown in the picture below Up to 3 units can be stacked in horizontal position and up to two units can be stacked in vertical position 12 RIGGING KH7 is suitable for a wide range of applications ranging from permanent installations t...

Page 23: ...t and accessories that are not manufactured by K array It is the user s responsibility to ensure that the Working Load Limit WLL of all the additional rigging hardware accessories is greater than the total weight of the system in use 12 2 Hanging points 12 3 SUSPENDING A CLUSTER OF KH7 UNITS KH7 units can be suspended using KH7 FLYH or KH7 FLYV accessories Please refer to KH7 Rigging Manual for op...

Page 24: ...o 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 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 servi...

Page 25: ...ctor 100 Hz 10000 THD N 1kHz 1 W 0 2 Thermal dissipation 1 4 of max output power 4 Ω 230V 1123 BTU h 283 KCal h 115V 1150 BTU h 290 KCal h AC POWER Nominal power requirements 100 240 Vac 10 50 60 Hz Operating Range 90 264 Vac CONSUMPTION Power factor cos φ 0 90 4Ω full power 1 8 rated power pink noise 8Ω 600 W Certification IP 53 Physical Dimensions 117 cm x 35 cm x 20 cm 46 06 x 13 78 x 7 87 Weig...

Page 26: ...KH7 Ver 1 2 26 15 certifications ...

Page 27: ...KH7 Ver 1 2 27 ...

Page 28: ...KH7 Ver 1 2 28 ...

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