Krell Industries KAV400xi User's Manual
Contents
1. Most front panel features can also be activated via the keys on the remote Descriptions of special operational features of the remote control are outlined on pages 9 10 1 Power Button or Key Use this button to switch the KAV 400xi between the stand by and the operational modes 2 Power LED The blue power LED illuminates when the KAV 400xi is in the operational mode The power LED also flashes when any remote control key is pressed 3 Stand by LED The red stand by LED illuminates when the KAV 400xi is plugged into a standard AC wall receptacle indicating that the amplifier is in the stand by mode and ready to be switched to the operational mode 4 Infrared Sensor The infrared sensor receives commands from the KAV 400xi remote control For proper remote control operation make sure that nothing is obstructing the infrared sensor 5 S 1 S 2 S 3 and B 1 Buttons Keys and LEDs Use these buttons to select a balanced analog source component B 1 via an XLR connector or a single ended analog source com ponent S 1 S 2 or S 3 via single ended RCA connectors When the button or key is selected the LED illuminates 6 Tape Button or Key Use this button to playback pre recorded tapes You may also use this button to compare the output signal of an analog tape recorder to an audio source See Tape Input and Output on page 16 7 Tape LED The red tape monitor LED illuminates when the tape monitor is activated The LED2. 1 Turn on the KAV 400xi power 2 Press and release the button on the front panel or the key on the remote 5 for the device you wish to disengage from Theater Throughput The LED illuminates 3 Press the button or key again and hold it for four seconds The phrase thr disappears from the front panel display 11 indi cating that Theater Throughput is disengaged Krell KAV 400xi Optional Configurations continued Preamplifier The KAV 400xi is equipped with a pair of single ended preampilifi Output er outputs 19 These outputs enable the KAV 400xi to be used as a preamplifier when it is connected to a separate amplifier Note The amplifier channel outputs are always active even when the KAV 400xi is being used only as a preamplifier 18 Krell KAV 400xi How to Troubleshoot System Noise AC grounding becomes critical when connecting high performance audio components When you mix and match audio components each with its own ground potential a low frequency hum may occur in one or both loudspeakers This sometimes occurs when introducing a new component into a system If a low frequency hum emanates from the loudspeakers when you place the KAV 400xi amplifier into the system follow these simple troubleshooting steps 1 Check all cable terminations making sure they have solid sol der joints and are of sound construction 2 With the amplifier off remove the interconnect cables then turn the amp
3. component is in the operational mode and is ready to play music Krell KAV 400xi Definition of Terms continued TECHNOLOGY Krell Current Mode A proprietary Krell circuit topology in which the audio gain stages of a component operate in the current rather than voltage domain This unique technology provides the component with exceptional speed and a wide bandwidth Krell KAV 400xi Unpacking Follow these steps to safely unpack the KAV 400xi 1 Open the shipping box and remove the top layer of foam The KAV 400xi and the KAV 400xi accessory kit containing the following items are visible AC power cord 12 VDC 12 V trigger cable spare loudspeaker fuses AGC 8 KAV 400xi remote control CR2025 lithium battery packet containing the Quick Setup Guide and the warranty registration card lt a a DOS md 2 Grasp the underside of the amplifier and lift it straight out of the packing box 3 Place the amplifier in a safe location and remove the protective plastic wrapping Notes lf any of these items are not included please contact your authorized Krell dealer Save all packing materials If you must ship your KAV 400xi in the future repack the unit in its original packaging to prevent shipping damage 4 Krell KAV 400xi Placement AC Power Guidelines Power Cord Before you install the KAV 400xi into your system review the fol lowing guidelines to choose the location for the K
4. does not illuminate when an audio source is activated Krell KAV 400xi Front Panel Description continued MODE INDICATORS 8 Mute Button or Key Use this button to interrupt the signal of the input you have select ed To unmute press the mute button again 9 Mute LED The red mute LED illuminates when you press the mute button on the front panel or the mute key on the remote control 8 VOLUME ADJUSTMENT 10 Level Knob Level Keys FUNCTIONS The level knob on the front panel or the level keys on the remote control adjust the amplifier output level The output level is indicat ed numerically on the front panel display with a range from 0 151 11 Front Panel Display The front panel display shows volume and balance levels and Theater Throughput status 8 Krell KAV 400xi Remote Control Only See Figure 2 on page 6 Battery Installation and Removal The KAV 400xi remote control uses one CR2025 lithium battery which is included with the shipment To open the battery compartment on the back of the remote control 1 Place the remote face down on the table 2 Use your thumbnail or a small jeweler s or eyeglass screw driver to move the small switch toward the center of the remote while using your index fingernail or screwdriver to pull down gently on the slot to the right of the switch The battery compartment will slide out Note Do not use a knife or other sharp objects to open the battery compar
5. off signals from other Krell components and other devices that incorporate a 12 V trigger Notes POWER The 12 VDC output current is limited to 30 ma Consult the owner s reference of the components used in a custom installation to take full advantage of the remote capability of the KAV 400xi 22 IEC Connector The connector is for use with the provided IEC standard 15 amp power cord 23 Line Fuse The 50 60 Hz line fuse protects the KAV 400xi against short cir cuits from the external AC power 24 AGC 8 Fuses The AGC 8 fuses protect the KAV 400xi against short circuits in the loudspeaker output Note Fuses must be replaced with the fuse value specified on the back panel Krell KAV 400xi Connecting the KAV 400xi to Your System USING BALANCED CONNECTIONS Connection Steps Krell recommends using balanced interconnect cables Balanced interconnect cables not only can minimize sonic loss but are also immune to induced noise especially with installations using long cables Balanced connections have 6 dB more gain than single ended connections When level matching is critical keep this gain value in mind Follow these steps to connect the KAV 400xi to your system 1 Pin assignments for the XLR connectors Make sure all power sources and components are off before connecting inputs and outputs Neatly organize the wiring between the KAV 400xi and all sys tem components Separate AC
6. tape recorder to the output signal of an audio source when making a recording To activate this function select an audio source for recording using either the S 1 S 2 S 3 or B 1 analog input buttons or keys 5 Press the tape button on the front panel or tape key on the remote on the to switch between the tape recorder output red tape monitor LED 7 illuminated and the input source red tape monitor LED not illuminated Use the tape output to create a processor loop when the KAV 400xi is connected to a graphic equalizer or other ancil lary equipment To activate this function connect the equip ment to the KAV 400xi tape outputs 18 as described in the equipment manufacturer s manual Press the tape button on the front panel or tape key on the remote to switch between the processor output red tape monitor LED 7 illuminated and the input source red tape monitor LED not illuminated When changing sources lower the volume to off or mute the output This ensures that the next source played does not damage your system with a high output transient Krell KAV 400xi Optional Configurations Configuring the KAV 400xi for Theater Throughput HOW TO ACTIVATE AN INPUT FOR THEATER THROUGHPUT IMPORTANT HOW TO DISENGAGE AN INPUT FOR THEATER THROUGHPUT To simplify the integration of an audio video surround sound processor into your system set any input on the KAV 400xi S 1 S 2 S 3 or B 1 to operat
7. AV 400xi This will facilitate a clean trouble free installation The KAV 400xi does not require any type of special rack or cabinet for installation For the dimensions of the KAV 400xi see Specifications on the back cover Place the KAV 400xi on a firm level surface away from exces sive heat humidity or moisture The KAV 400xi requires at least two inches 5 cm of clearance on each side and at least two inch es 5 cm of clearance above and below the component to provide adequate ventilation Installations inside cabinetry may need extra ventilation The KAV 400xi is not hum sensitive Other components may be placed on or around the KAV 400xi make sure ventilation grids remain unobstructed Place the amplifier as close to the loudspeakers as possible and keep loudspeaker cable lengths to a minimum Loudspeaker cable adds impedance to the load the amplifier must drive regardless of the cable s gauge All Krell amplifiers drive the lowest impedances with ease but long loudspeaker cables reduce the maximum power that can be delivered to the loudspeakers The KAV 400xi has superb regulation and does not require a ded icated AC circuit Avoid connections through extension cords or multiple AC adapters High quality 15 amp grounded AC strips are acceptable High quality AC line conditioners or filters may be used if they are grounded and meet or exceed the unit s maximum power consumption of 1800 Watts The KA
8. INPUT AND OUTPUT 1 pair single ended via RCA connectors OUTPUT VOLTAGE Peak to peak 138 V OUTPUT POWER 8 Ohms 200 W 40Ohms 400W REMOTE CONTROL 1 handheld wireless remote 1 12 VDC Out In 12 V trigger 1 RC 5 input via a DC power connector DIMENSIONS 17 3w x 3 5h x 17d in 50w x 8 9h x 43 2d cm WEIGHT Shipped 36 0 Ib 16 4 kg Unit only 31 0 Ib 14 1 kg
9. KRELL KAV 400xi Remote Control THE LEADER IN AUDIO ENGINEERING Integrated Amplifier Owner s Reference KAV 400xi Remote Control Integrated Amplifier Instructions for Use v 03 0 CONTACT INFORMATION WARNINGS Krell Industries Inc 45 Connair Road Orange CT 06477 3650 USA TEL 203 799 9954 FAX 203 891 2028 E MAIL krell krellonline com WEBSITE http www krellonline com ce This product complies with the EMC directive 89 336 EEC and the low voltage directive 73 23 EEC Do not place the integrated amplifier where it could be exposed to dripping or splashing The ventilation grids on the top and bottom of the KAV 400xi must be unob structed at all times during operation Do not place flammable material on top of or beneath the component When making connections to this or any other component make sure all compo nents are off Turn off all systems power before connecting the KAV 400xi to any other component Make sure all cable terminations are of the highest quality free from frayed ends short circuits or cold solder joints THERE ARE NO USER SERVICEABLE PARTS INSIDE ANY KRELL PRODUCT Please contact your authorized dealer distributor or Krell if you have any ques tions not addressed in this reference manual This product is manufactured in the United States of America Krell is a registered trademark of Krell Industries Inc and is restricted for use by Krell Industries Inc
10. V 400xi should be operated only with the power cord supplied Please contact your authorized Krell dealer distributor or Krell before using any devices designed to alter or stabilize the AC power for the KAV 400xi Krell KAV 400xi Figure 1 The KAV 400xi Front Panel STAND BY o POWER KLB KAV 400xi 2 1 Power Button 2 Power LED 3 Stand by LED 4 Infrared Sensor 12 Pre Key Remote Analog Devices 5 S 1 S 2 S 3 and B 1 Buttons Keys and LEDs 6 Tape Button or Key 7 Tape LED Mode Indicators 8 Mute Button or Key 9 Mute LED Volume Adjustment Functions 10 Level Knob Level Keys 11 Front Panel Display 13 Bal Balance Keys Remote E Note Figure 2 The KAV 400xi Remote Control 1 12 6 Activates the 8 KAV 400xi remote to access amplifier commands 10 5 13 Remote control keys listed above function with the KAV 400xi Other keys on this remote control may activate other Krell components Consult the Krell reference manual for each model to review your component s full remote control capabilities Krell KAV 400xi Front Panel Remote Control Description See Figures 1 and 2 on page 6 POWER ANALOG SOURCE COMPONENTS Power analog input selections and volume control accessed via the front panel of the KAV 400xi are described in the illustration legend below The front panel display shows volume and balance levels and Theater Throughput status
11. ansit to the factory You are responsible for filing claims for shipping damages during the return shipment Krell does not supply replacement parts and or products to the owner of the unit Replacement parts and or products will be furnished only to the distributor performing service on this unit on an exchange basis only any parts and or products returned to Krell for exchange become the property of Krell No expressed or implied warranty is made for any Krell product damaged by accident abuse misuse natural or personal disaster or unauthorized modification Any unauthorized voltage conversion disassembly component replacement perfora tion of chassis updates or modifications performed to the unit will void the warranty The operating voltage of this unit is determined by the factory and can only be changed by an authorized Krell distributor or at the factory The voltage for this product in the U S A cannot be changed until six months from the original purchase date In the event that Krell receives a product for warranty service that has been modified in any way without Krell authorization all warranties on that product will be void The product will be returned to original factory layout specifications at the owner s expense before it is repaired All repairs required after the product has been returned to original factory specifi cations will be charged to the customer at current parts and labor rates All operational featur
12. ard binding posts for each amplifier channel These connectors accept bare wire pins or spade lugs Use the red terminal for the positive connection and the black terminal for the negative connection 15 Left and Right Balanced Analog Inputs The KAV 400xi is equipped with one pair of balanced B 1 inputs via XLR connectors 16 Left and Right Single Ended Analog Inputs The KAV 400xi is equipped with three pairs of single ended S 1 S 2 or S 3 inputs via RCA connectors 17 Left and Right Tape Inputs The KAV 400xi is equipped with a pair of single ended tape inputs via RCA connectors 18 Left and Right Tape Outputs The KAV 400xi is equipped with a pair of single ended tape outputs via RCA connectors 19 Left and Right Preamp Outputs The KAV 400xi is equipped with a pair of single ended pre amplifier outputs 20 RC 5 In The KAV 400xi is equipped with an RC 5 input that makes cus tom installation easy and secure by accepting baseband RC 5 input commands from hardwired remote controllers 21 12 VDC In Out 12 V Trigger The 12 V Trigger allows you to turn the KAV 400xi on or off or to and from stand by from other components Out The output sends 12 VDC 12 V trigger power on off signals to other Krell components and other devices that incorporate a 12 V trigger Krell KAV 400xi Back Panel Description continued Remote Connections continued In The input receives 12 VDC 12 V trigger power on
13. e as a unity gain stage Krell calls this configuration Theater Throughput When you configure a KAV 400xi input for Theater Throughput the KAV 400xi volume and balance controls are transferred to the audio video surround sound processor for integrated volume and balance management as well as ease of operation As long as the KAV 400xi input is configured for Theater Throughput and con nected to the audio video surround sound processor s input config ured for Theater Throughput all KAV 400xi volume and balance adjustments are made through the surround sound processor When you disengage the KAV 400xi input from Theater Throughput the volume and balance controls revert to the KAV 400xi 1 Turn on the KAV 400xi power 2 Press and release the button on the front panel or the key on the remote 5 for the device you wish to configure for Theater Throughput The LED illuminates 3 Press the button or key again and hold it for four seconds The front panel display 11 shows thr Make sure the level on the source component is set to zero when configuring the KAV 400xi input set for Theater Throughput Source components without level controls should not be connected to an input configured for Theater Throughput Doing so can result in excessive and possibly damaging volume levels when the source is played Always turn off the source component before you config ure any input on the KAV 400xi for Theater Throughput
14. es functions and specifications and policies are subject to change without notification Krell KAV 400xi 21 Return Authorization Procedure HOW TO EXPEDITE SERVICE HOW TO RETURN A PRODUCT If you believe there is a problem with your component please con tact your dealer distributor or the Krell factory to discuss the problem before you return the component for repair To expedite service you may wish to complete and e mail the Service Request Form in the Service section of our website at http www krellonline com To contact the Krell Service Department TEL 203 799 9954 Monday Friday 9 00 am to 5 00 pm EST FAX 203 799 9796 E MAIL service krellonline com WEBSITE __http www krellonline com To return a product to Krell please follow this procedure so that we may serve you better 1 Obtain a Return Authorization Number R A number and ship ping address from the Krell Service Department 2 Insure and accept all liability for loss or damage to the product during shipment to the Krell factory and ensure all freight ship ping charges are prepaid The product may also be hand delivered if arrangements with the Service Department have been made in advance Proof of pur chase will be required for warranty validation at the time of hand delivery IMPORTANT HOW TO PURCHASE ADDITIONAL PACKING Use the original packaging to ensure the safe transit of the product to the factory dealer or dis
15. he form of a bill of sale or receipted invoice substantiating that the unit is within the warranty period must be presented to obtain warranty service The warranty begins on the date of retail purchase as noted on the bill of sale or receipted invoice from an authorized Krell dealer or distributor The warranty for Krell products is valid only in the country to which they were originally shipped through the authorized Krell distributor for that country and at the factory There may be restrictions on or changes to Krell s warranty because of regulations within a specific country Please check with your distributor for a complete understanding of the warranty in your country If a unit is serviced by a distributor who did not import the unit there may be a charge for service even if the product is within the warranty period Freight to the factory is your responsibility Return freight within the United States U S A is included in the warranty If you have purchased your Krell product outside the U S A and wish to have it serviced at the factory all freight and associated charges to the factory are your responsibility Krell will pay return freight to the U S A based freight forwarder of your choice Freight and other charges to ship the unit from the freight forwarder to you are also your responsibility Krell is not responsible for any damage incurred in transit Krell will file claims for damages as necessary for units damaged in tr
16. ides basic input selection and volume control operation from the front panel The remote control includes addi tional preamplifier and volume functions as well as compact disc transport and amplifier controls See Remote Control Only on page 9 for more information After the KAV 400xi is connected to AC power and in the stand by mode use the power button or key 1 to switch the component to the operational mode The blue power LED 2 illuminates The KAV 400xi Remote Control Integrated Amplifier is easy to operate However great care should be exercised when operating a system that includes the KAV 400xi because of the amplifier s power output Switching between active sources without muting the preamplifier output or bumping miscuing a device can gener ate large transients at low frequencies The KAV 400xi may gen erate enough power with these transients to damage most loud speakers To avoid damage be sure to switch all sources with the preamplifier level either muted or fully attenuated Do not change inputs to the amplifier while the amplifier is on Note ON OFF AND STAND BY OPERATION Krell amplifiers have large reserves of clean power and can safely drive loudspeakers to higher sound pressure levels than other amplifiers However use care when setting high playback levels and lower the vol ume level at any sign of loudspeaker distress When powering up any system always turn amplifiers on last When powe
17. its subsidiaries and authorized agents Krell Current Mode and Theater Throughput are trademarks of Krell Industries Inc All other trade marks and tradenames are registered to their respective companies 2003 by Krell Industries Inc All rights reserved P N 306733 Contents Page INTRODUCTION 1 DEFINITION OF TERMS 2 UNPACKING 4 PLACEMENT 5 AC Power Guidelines 5 Power Cord 5 FRONT PANEL REMOTE CONTROL DESCRIPTION 7 REMOTE CONTROL ONLY 9 Battery Installation and Removal 9 Remote Control Only Functions 9 BACK PANEL DESCRIPTION 12 CONNECTING THE KAV 400xi TO YOUR SYSTEM 14 Connection Steps 14 OPERATING YOUR KAV 400xi 15 Amplifier Operation 15 Tape Input and Output 16 OPTIONAL CONFIGURATIONS 17 Configuring the KAV 400xi for Theater Throughput 17 Preamplifier Output 18 HOW TO TROUBLESHOOT SYSTEM NOISE 19 QUESTIONS AND ANSWERS 20 WARRANTY 21 RETURN AUTHORIZATION PROCEDURE 22 SPECIFICATIONS 23 Krell KAV 400xi iii Illustrations Page FIGURE 1 The KAV 400xi Front Panel FIGURE 2 The KAV 400xi Remote Control FIGURE 3 The KAV 400xi Back Panel 11 Krell KAV 400xi Introduction Thank you for your purchase of the Krell KAV 400xi Remote Control Integrated Amplifier This fully integrated amplifier and pre amplifier has a fully balanced signal path from input to output and employs a wide bandwidth design with low negative feedback for sonic accuracy throughout the frequency spectrum All circu
18. its up to the driver stage are pure Class A Krell s new surface mount technology SMT means that the KAV 400xi is an integrated amplifier with big power 200 Watts per channel that does not require big space SMT allows individ ual circuit elements to be placed very close together This shortens signal paths and allows circuit elements to operate at the same temperature resulting in more accurate signal transfer and enhanced reliablilty The KAV 400xi is easy to operate and integrate into your system The remote control accesses all amplifier functions and remote control connection options allow the KAV 400xi to be easily con nected with other components The Theater Throughput feature provides easy integration of the amplifier into a home theater system This owner s reference manual contains important information on the placement installation and operation of the KAV 400xi Please read this information carefully A thorough understanding of these details will help ensure satisfactory operation and long life for your KAV 400xi and related system components Krell KAV 400xi Definition of Terms CONFIGURATIONS INPUT AND OUTPUT CONNECTIONS OPERATION Following are the definitions of key terms used in your owner s ref erence manual Theater Throughput Theater Throughput is a Krell configuration option that allows the signal from a surround preamp processor to pass through a Krell preamplifier or i
19. lifier on If the hum disappears turn the amplifier off and reinsert one of the interconnect cables Turn the amplifier back on If the hum reappears with one or both cables reinserted there may be a defective cable Have the interconnect cables checked before proceeding 3 If the interconnect cables are sound you may be experiencing a ground loop Please contact your authorized Krell dealer distributor or Krell for suggestions on how to solve this problem Krell KAV 400xi Questions and Answers Q Should leave my KAV 400xi on at all times A Krell recommends leaving the amplifier in the stand by mode ready to play music If you are not going to play music for a long time you may disconnect the amplifier from AC power supply When I turn on the amplifier there is a loud hum through the loudspeakers What should do When a new component is introduced into a system a low frequency hum may occur in one or both loudspeakers Check all input and output connections making sure they are of sound construction See How to Troubleshoot System Noise on page 19 If the interconnects and cables are sound you may be experiencing a ground loop This can often be easily eliminated Please contact your authorized Krell dealer distributor or Krell for suggestions on how to solve this problem When I use the KAV 400xi s Theater Throughput capability with my surround sound processor where should set the vol
20. ntegrated amplifier with no gain for integrated vol ume and balance management of Krell home theater systems Balanced Asymmetrical input or output circuit that has equal impedance from both input terminals to a common ground reference point The industry standard for professional and sound recording instal lations balanced connections have 6 dB more gain than single ended connections and allow the use of long interconnect cables Balanced connections are completely immune to induced noise from the system or the environment Single ended A two wire input or output circuit Use care when using single ended connections as the ground connection is made last and broken first Turn the system off prior to making or breaking single ended connections Single ended connections are not recom mended for connections requiring long cable runs Off The component is off when the AC power cord is unplugged from the wall receptacle Stand by Mode A low power consumption status that keeps the audio circuits at idle When you plug the AC power cord into the wall receptacle the red stand by LED illuminates The component is now ready to be switched to the operational mode Krell recommends leaving the component in the stand by mode when it is not playing music Operational Mode When the component is in the stand by mode and you press the power button on the front panel or the power key on the remote control the blue power LED illuminates The
21. ring down always turn amplifiers off first 1 When the amplifier is in stand by mode with the red stand by LED 8 illuminated turn the amplifier on by pressing the power button on the front panel or the power key on the remote control 1 There is an audible click The blue power LED 2 illuminates and the red stand by LED 3 turns off The KAV 400xi is now in the operational mode 2 With the amplifier in the mute position or the volume control fully attenuated select a source from the front panel or the remote control 5 Krell KAV 400xi Operating Your KAV 400xi continued ON OFF AND STAND BY OPERATION continued Tape Input and Output 3 4 5 Start playing the source Set the volume to a comfortable listening level using the level knob on the front panel or the level keys on the remote control 10 To turn the amplifier off press the power button on the front panel or the power key on the remote control 1 The red stand by LED 3 illuminates It is now safe to turn off the rest of the system The KAV 400xi has a discrete tape input and output The tape output is used to send an input signal from S 1 S 2 S 3 or B 1 to a recording device or processor You can use the tape feature in three ways 1 Note Use the tape button on the front panel or the tape key on the remote 6 to playback pre recorded tapes Use the tape input to compare the output signal of a three head analog
22. s listed above function with the KAV 400xi Other keys on this remote control may activate other Krell components for example compact disc players Consult the Krell owner s reference man ual for each component to review your component s full remote control capabilities Krell KAV 400xi Figure 3 The KAV 400xi Back Panel 21 20 NO USER SERVICEABLE PARTS INSIDE p euTeuTs 1evoc acs TAPE PREAMP OUT IN IN 200 OO O KAV 400xi Integrated Amplifier LEFT OUTPUT C FUSE MADE IN USA 24 14 15 16 17 18 19 14 24 23 22 Amplifier Channel Outputs 14 Left and Right Loudspeaker Outputs Analog Inputs 15 Left and Right Balanced Analog Inputs 16 Left and Right Single ended Analog Inputs 17 Left and Right Tape Inputs Analog Outputs 18 Left and Right Tape Outputs 19 Left and Right Preamp Outputs Remote Connections 20 RC 5In 21 12 VDC In Out Power 22 IEC Connector 23 Line Fuse 24 AGC 8 Left and Right Loudspeaker Fuses Krell KAV 400xi 11 Back Panel Description See Figure 3 on page 11 AMPLIFIER CHANNEL OUTPUTS ANALOG INPUTS ANALOG OUTPUTS REMOTE CONNECTIONS The KAV 400xi back panel provides connections for all inputs and outputs power on off and additional remote connections 14 Left and Right Loudspeaker Outputs The KAV 400xi is equipped with stand
23. t ment they will scratch the remote control finish 3 Place the battery positive side up in the battery tray 4 Slide battery compartment back into the remote until you hear a Click The remote control is ready for operation Notes Remote Control Only Functions POWER Replace battery when remote control function becomes intermittent Remove battery if the remote control is not used for a long period of time Battery leakage can damage the remote control The KAV 400xi remote control accesses complete power amplifier and preamplifier functions A description of the functions unique to the KAV 400xi follow 12 Pre Key Use this key to activate the KAV 400xi remote to access amplifier commands Krell KAV 400xi Remote Control Functions continued VOLUME ADJUSTMENT 13 Bal Balance Keys FUNCTION Use these keys to shift the balance to the left or the right channel Balance level is indicated in the front panel display 11 To display balance push any key on the remote The front panel display indicates C when the system is balanced If the system is not balanced the front panel display indicates that the balance is right or left of cen ter and by how much on a scale of 1 least out of balance to 5 most out of balance Example A display of nS means that the balance is moderately right of center A display of 5 it Met means the balance is severely left of center Note The remote control key
24. tributor Krell may at its discretion return a product in new packaging and bill the owner for such pack aging if the product received by Krell was boxed in nonstandard packaging or if the original packaging was so damaged that it was unusable If Krell determines that new packaging is required the owner will be notified before the product is returned To purchase additional packaging please contact your authorized Krell dealer distributor or the Krell Service Department for assis tance 22 Krell KAV 400xi Krell Industries Inc 45 Connair Road Orange CT 06477 3650 USA KAV 400xi Remote Control Integrated Amplifier TEL 203 799 9954 FAX 203 891 2028 v 03 0 E MAIL krell krellonline com WEB SITE www krellonline com Specifications All operational features functions specifications and policies are subject to change without notification FREQUENCY RESPONSE 20 Hz 20 kHz 0 dB 0 07 dB SIGNAL TO NOISE RATIO A weighted 99 dB TOTAL HARMONIC DISTORTION THD 20 Hz 20 kHz 1kHz lt 0 04 20 kHz lt 0 25 GAIN 35 8 dB INPUT SENSITIVITY 0 644 Vrms INPUT IMPEDANCE 47 kOhms OUTPUT IMPEDANCE 0 17 Ohms POWER CONSUMPTION Ide 20W Max 1 800 W TRANSFORMER 750 VA INPUTS All with Theater Throughput 1 pair balanced via XLR connectors 3 pair single ended via RCA connectors OUTPUTS 2 loudspeaker via 5 standard binding posts 1 pair single ended preamp via RCA connectors TAPE
25. ume on the KAV 400xi You do not need to set the volume on the KAV 400xi because the amplifier s volume and balance controls are not active in the Theater Throughput mode When using the KAV 400xi s Theater Throughput capability the surround sound processor controls the system volume See Optional Configurations on page 17 20 Krell KAV 400xi Warranty To register your product for warranty benefits please complete and return the Warranty Registration Card enclosed in the ship ping box within 15 days of purchase Thank you This Krell product has a limited warranty of five years for parts and labor on circuitry Should this product fail to perform at any time during the warranty Krell will repair it at no cost to the owner except as set forth in this warranty The warranty does not apply to damage caused by acts of God or nature The warranty on this page shall be in lieu of any other warranty expressed or implied including but not limited to any implied warranty of merchantability or fitness for a particular purpose There are no warranties which exceed beyond those described in this document If this product does not perform as warranted herein the owner s sole remedy shall be repair In no event will Krell be liable for incidental or consequential damages arising from purchase use or inability to use this product even if Krell has been advised of the possibility of such damages Proof of purchase in t
26. wires from audio cables to prevent hum or other unwanted noises from being introduced into the system Connect the left and right loudspeaker cables to the integrated amplifier s left and right loudspeaker output terminals 14 The KAV 400xi uses standard binding posts for each amplifier channel These connectors accept bare wire pins or spade lugs Use the red terminal for the positive connection and the black terminal for the negative connection Connect the left and right outputs of your source components to the appropriate analog inputs 15 16 17 on the KAV 400xi The KAV 400xi is equipped with one balanced input B 1 three single ended inputs S 1 S 2 or S 3 and one tape input The B 1 S 1 S 2 and S 3 inputs can be configured for Theater Throughput See Optional Configurations on page 17 for information on configuring an input for Theater Throughput Use the preamp outputs 19 to connect to an additional power amplifier for loudspeakers in another room Plug the AC cord into the IEC connector 22 on the back panel of the KAV 400xi Plug the remaining end into the AC wall receptacle The red stand by LED 3 illuminates There is no audible click or delay Pin 1 Shield ground Pin 2 Non inverting hot 0 Pin 3 Inverting cold 180 Krell KAV 400xi Operating Your KAV 400xi Amplifier Operation This section provides information about operating the KAV 400xi The KAV 400xi prov
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