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KRK provides a stand alone, high performance room correction system called ERGO. ERGO

provides the ability to use up to two subwoofers with dedicated crossover functionality and

delay compensation. For more information about using ERGO with your monitoring system

please visit our website at www.krksys.com.

KRK’s ERGO Room Correction System

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Summary of Contents for 10S2

Page 1: ...KRK10s SUBWOOFER USER GUIDE ...

Page 2: ...or the enclosure damaged DO NOT ATTEMPT SERVICING OF THIS UNIT YOURSELF REFER SERVICING TO QUALIFIED SERVICE PERSONNEL Upon completion of any servicing or repairs request the service shops assurance that only Factory Authorized Replacement Parts with the same characteristics as the original parts have been used and that the routine safety checks have been performed to guarantee that the equipment ...

Page 3: ...the studio standard for the world s finest engineers producers and musicians Your KRK subwoofer delivers world class performance at a price that makes this a truly uncommon value Introduction 1 Unpacking 2 KRK Systems Design Philosophies 3 System Controls 5 Connecting Your System 6 Hooking Up Your Subwoofer Stereo Systems 7 Subwoofer Placement and Set Up 9 Hooking Up Your Subwoofer 5 1 Surround 11...

Page 4: ... and to ensure correct operation of this product please take a moment to read the IMPORTANT SAFETY PRECAUTIONS section CAUTION Never remove the rear panel of the subwoofer To do so could result in electric shock A qualified technician should perform any repair or service to the electronics This product is capable of producing sounds at a volume that could potentially be damaging to hearing and res...

Page 5: ... RMA from KRK Systems is required before shipping a product to KRK Systems for repair After obtaining a RMA from KRK Systems all KRK Systems products in need of repair can be returned to Gibson Pro Audio For the safest possible return to KRK please use the shipping carton and packaging materials that were originally provided with your subwoofer KRK cannot be responsible for any damages incurred du...

Page 6: ...e not just in your studio Port Design Our ports are designed to greatly reduce air flow turbulence for high performance audio reproduction The result Clear accurate and well designed low frequency extension Even More Accurate than Before We tweaked our speaker voicing to provide even more accurate frequency response for amazing audio reproduction using our custom made KRK drivers What you hear is ...

Page 7: ...called ERGO ERGO provides the ability to use up to two subwoofers with dedicated crossover functionality and delay compensation For more information about using ERGO with your monitoring system please visit our website at www krksys com KRK s ERGO Room Correction System ...

Page 8: ...Placement section in order to determine the correct switch position for your monitoring system and room Using the Ground Lift Engaging the ground lift switch can sometimes reduce ground loop noise in your system By providing an AC mains ground on the KRK10s and proper installation in a quiet studio environment the system is happily quiet However noise will be induced if the monitor is installed in...

Page 9: ...unit must be serviced by an au thorized KRK service technician see page 16 for more information ON OFF Unbalanced XLR Connectors TRS 1 4 Connectors RCA Inputs Balanced 6 Changing Voltage To change the voltage remove the power cord and slide the voltage selector to the desired voltage setting Please note that when making voltage changes the fuses will have to be replaced refer to the Changing Fuses...

Page 10: ...ooking Up Your Subwoofer Stereo Systems 1 4 Mono Phone Connector XLR Connector Sleeve Tip Pin 1 Shield Sleeve Shield Pin 2 Tip Pin 3 Ring On Stereo Plug or Sleeve On Mono Plug Pin 2 Hot to 1 4 Stereo Phone Connector TRS Tip Ring Sleeve Ring Sleeve Tip 7 Subwoofer Hook Up with Active Monitors If you are using active powered monitors you ll first need to connect a pair of cables from the stereo moni...

Page 11: ...f the subwoofer to the corresponding inputs of the stereo amplifier Typically this connection would also be an XLR connector but you can use the RCA outputs on the subwoofer if the amplifier is similarly equipped Connect the pas sive monitors to the power amplifier as your normally would Do not attempt to connect the speaker output of the monitor amplifier to the input of the subwoofer by doing so...

Page 12: ...e subwoofer s output will interact with the other monitor speakers in the room it is important to consider the subwoofer and near field speakers as a total system At this stage you have only the subwoofer operating Once you find its optimum position and settings you can turn on the complete monitoring system to verify that all components interact properly What you are attempting to do is find a pl...

Page 13: ...n the subwoofer to 130Hz allowing bass energy between the near field monitors and subwoofer to overlap Run a band limited pink noise tone from 60 120Hz and from the listening position determine if 0 or 180 on the phase switch is loud est Leave the switch in the loudest position the loudest position is correct and in phase Now return the low pass filter to the 80Hz position or the appropriate frequ...

Page 14: ...Notice from Figure 3 that for professional use a separate 6 channel level control box is required between the mix down deck and the monitor speakers This is because few small format mixing consoles have provisions to switch and level manage a 6 channel audio signal The simplest and perhaps best way to accomplish this is to use an external 5 1 level controller It is placed between the outputs of th...

Page 15: ...FE channel is set with an additional 10dB of monitoring gain To set this level we recommend using 2 octave wide band passed pink noise from 20 to 80Hz for the LFE channel and 500 to 2 000Hz for the near field speakers After adjusting each near field monitor one at a time to 85dB SPL adjust the LFE channel 10dB louder to 95dB SPL Center Left Right 30 30 SPL Meter 110 110 LFE LFE Left Surround Right...

Page 16: ... listeners should realize that their studio monitoring systems must be able to reproduce sufficient low frequencies so they can avoid recording undesirable subsonic information Without such studio monitoring it is possible to release a mix with infrasonic problems such as pops air conditioner rumble traffic noise footsteps etc These subsonic noises will be eliminated masked by the natural high pas...

Page 17: ... end of the paper clip into the grill near the edge and gently pull the grill toward you 3 As you see the grill start to separate repeat this procedure around the grill edge until you can easily pull the grill away from the cabinet 4 Once you remove the grill pull the grill s rubber gasket away from the grill 5 Now insert the grill s rubber gasket into the groove in the cabinet that the grill came...

Page 18: ...ext steps Check to see if all other audio devices using the same AC outlet are still operating Make sure that The audio source cable is plugged into both the source output and the unit s input The System Gain pot is turned up fully clockwise 6dB The signal source e g mixing console work station CD player etc is turned up to a level that can properly send a signal to the monitors If one of the full...

Page 19: ...you eliminate these undesirables from your system Make sure that the power cord is plugged snugly into the IEC socket on the rear of the unit Check the connections between the signal source and the unit The sub and monitor s XLR and TRS connectors are a completely balanced system If you re connecting an unbalanced output to the monitor be sure that you re using Pin 2 for signal and have Pin 1 and ...

Page 20: ...g the shipping process due to poor packing Make sure to insure your shipment If your subwoofer is out of warranty and you would like consultation before servicing your product please contact KRK Gibson Pro Audio Customer Service at 1 800 444 2766 or by email at service gibson com For replacement part information call 1 800 444 2766 or email service gibson com Shipping Instructions 17 ...

Page 21: ...0V 240V FEATURES KRK10s 34Hz 50Hz to 130Hz Variable 110dB Music and 113dB Peak 10 High Excursion Glass Aramid Composite Woofer 15 x 14 x 16 1 16 38 2 cm x 35 5 cm x 40 8 cm 40 2 lbs 18 24 kgs 150W RMS 98dB 08 10kohm 10kohm 80Hz Fixed 50Hz 130Hz Variable 4 0A 250V Slow Blow 2 0A 250V Slow Blow XLR 1 4 TRS Connectors RCA Connector IEC Mains Connector System Volume Control LED Power Indicator Subwoof...

Page 22: ...Notes ...

Page 23: ...Notes ...

Page 24: ...LITK00043 REV D 01 08 2013 Our mission is to innovate design and deliver superior audio products that form the bridge between an artistic vision and a realized dream w w w k r k s y s c o m ...

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