K-array KA7 User Manual

Manual is about: High technology Class D power amplifier

Summary of KA7

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    User manual ka7-7 ka7.

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    Contents english symbols 5 declaration of conformity 7 1.Introduction 9 2. Applications 9 3. Key features 10 4. Unpacking 10 5. Accessories included 10 6. Physical 11 7. Power supply and voltage required 12 8. Back panel 12 8.1 connectors and wiring 13 8.2 id assignment 14 id numbers 15 9. Front pan...

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    4.

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    English 5 this symbol alerts the user to recommendations about the product’s use and maintenance. This symbol, wherever it appears, alerts you to important operating and maintenance instructions in the accompanying literature. Read the manual! Warning! Dangerous voltages: risk of electric schock. K-...

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    English 6 safety instruction warning • to reduce the risk of electric shock, disconnect the amplifier from the ac mains before installing audio cable. Reconnect the power cord only after making all signal connections. • connect the amplifier to a two-pole, three wire grounding mains receptacle. The ...

  • Page 7: Declaration of Conformity

    English 7 the contents of this manual are furnished for informational purpose only. Hp sound equipment s.R.L. Assumes no responsability for any errors or inaccuracies thatmay ap- pear in this manual. Hp sound equipment s.R.L. Reserves the right to make modifications without prior notice. Declaration...

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    English 8.

  • Page 9: 1.Introduction

    English 9 1.Introduction the ka professional rack amplifier line has been designed to meet all the needs of touring and installation applications in which need a large amount of power together with the maximum flexibility, small sizes and weight. The sophisticated electronics on-board allow the syst...

  • Page 10: 3. Key Features

    English 10 3. Key features • very light weight • compact design, 2 units half rack • optical limiters • electronically protected • over-high efficiency • dsp on-board to drive all k-array products • remote control via usb or rs485 • management software • top quality components for outstanding perfor...

  • Page 11: 6. Physical

    English 11 6. Physical 27 cm 20 cm 8.8 cm 20 cm 27 cm 20 cm 8.8 cm 20 cm 27 cm weight: ka7 4.03 kg (8.89 lbs) ka7-7 4.44 kg (9.79 lbs).

  • Page 12: 8. Back Panel

    English 12 1 1. Powercon in 2. Powercon out (max 15a) 3. Speakon1 out (ch1, ch2) 4. Speakon1 out (ch3, ch4) 5. Dip switch id assigment 6. Usb remote control connector 7. Rs485 remote control connectors 8. Input 1 level pad 5 6 8 10 11 13 14 15 12 9 7 4 1 2 3 9. Input 2 level pad 10. Input 1 ground l...

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    English 13 8.1 connectors and wiring speakon 1 out speakon 2 out ch1 + ch2 + ch1 - ch2 - ch2 - 2+ 2+ 1+ 1+ 2- 2- 1- 1- ch1 in ch1 hot xlr connector ch1 grd ch1 cold ch1 hot ch1 grd ch1 cold ch1 out ch2 in ch2 hot xlr connector ch2 grd ch2 cold ch2 hot ch2 grd ch2 cold ch2 out 2 1 3 2 1 3 2 1 3 2 1 3...

  • Page 14: Last Device

    English 14 rs485 k-usb accessory direct usb cable rs485 usb usb amplifier’s dsp amplifier’s dsp pc pc the usb and rs485 connectors allow a pc to be connect to the device to set the dsp processor. You can plug either a direct usb cable or the k-usb adapter into rs485. Each amplifier can be identified...

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    English 15 id numbers this configuration of the dip switches (id = 31) is reserved. Edsp will not recognize the connected device. Do not use this configuration..

  • Page 16: 9. Front Panel

    English 16 9. Front panel ka7 1 3 5 2 4 5 6 1. Protection indicator 2. Indicator of proper operating 3. Indicator of signal/clip ch1 in 4. Indicator of signal/clip ch2 in 5. Power switch system required operating systems: win xp/ vista / 7. Minimum requirements: cpu 300 mhz ram 128 mb recommended re...

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    English 17 1. Do not plug in the usb before installing the software. 2. Install the edsp software included in the cd-rom. The software can be down- loaded from the website too. 3. Connect the amplifier via usb and install the driver from the installed software folder on your hd (e.G. C:\program\k-ar...

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    English 18 6. Go to the network (pic. 3) page and click on the connected id (the unit highlighted in yellow) 7. On the info page (pic.4) you can see the amplifier details such as name (editable), firmware version and id. Pic.3.

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    English 19 8. Click on the user button (shortcut: f4), from here you can change eq, levels and dynamics. Pic.4 1 2 3 1. Click here to get the stored parameters from the device memory to the software. 2. Click here to send the current software parameters to the dsp module. 3. Click here to upgrade th...

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    English 20 pic.5 1 2 3 4 5 6 7 1. Four different cells of eq. Can be enabled in three different modes: low shelf, high shelf or peak. The low and high shelf filters boost (or reduce) energy at the set frequencies and all frequencies above it(in low shelf) or below it (in high shelf) . The peak filte...

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    English 21 once the settings are finished you have to store them to the eeprom by clicking on store to eeprom (f11) in the ‘preset’ menu. To save the preset you have made click save on the ‘preset’ menu. To load a previously stored preset click load on the ‘preset’ menu. To send a preset to all the ...

  • Page 22: 11. Rack Adapter

    English 22 single rack double rack device a spacers device b s1 s2 s1 s2 fix the two rack adapters using the supplied screws as shown in the drawing. Unscrew the 4 anchor points of the front panels and remove them. Attach the two devices using the last two screws and fix the rack adapters. Remove th...

  • Page 23: 12. Service

    English 23 cleaning: • clean the product enclosures using a soft, dry cloth only. • 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. To obtain service: 1) contact...

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    English 24.

  • Page 25: 14. Technical Details

    English 25 ka7 ka7-7 output power max power 4Ω 2 x 350 w (eiaj) 4 x 350 w (eiaj) max power 8Ω 2 x 190 w (eiaj) 4 x 190 w (eiaj) max power - bridged 4Ω 1000 w (eiaj) max power - bridged 8Ω 700 w (eiaj) connectors 2 x 4-pin speakon 2 x 4-pin speakon speakon 1 wiring pin 1+,1- = ch1 pin 2+, 2- = ch2 pi...

  • Page 26: Notes

    English 26 notes.

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    English 27 approval weee please dispose of this product at the end of its operational li- fetime by bringing it to your local collection point or recycling centre for such equipment. K-array declares that this device is in compliance with the appli- cable ce standards and regulations. Before putting...

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    K-array is a brand of hp sound equipment s.R.L. Viale roma 7/i - 50037 san piero a sieve (firenze) - italy tel. +39 055 8487222 - fax. +39 0558487238 e-mail: info@k-array.Com www.K-array.Com umca77aa01enb.