Krell Industries KAV-250cd/2 User's Manual
Contents
1. Place the KAV 250cd 2 on a firm level surface away from exces sive heat humidity or moisture The KAV 250cd 2 requires at least two inches 5 cm of clearance on each side and at least two inches 5 cm of clearance above the component to provide adequate venti lation Installations inside cabinetry may need extra ventilation Do not place the KAV 250cd 2 near hum sensitive components such as preamplifier phono stages or turntables Although the KAV 250cd 2 is well shielded placing it near these components could create interference and cause hum The KAV 250cd 2 incorporates an advanced suspension system and does not require additional mass coupling or isolation You may experiment with feet or cones as long as they are not permanently affixed to the unit Any unauthorized modifications to the unit or electronics will void the warranty Do not attach enhancement accessories such as rings mats or dampers to individual compact discs These accessories may interfere with the compact disc transport resulting in erratic playback and or poor sound The KAV 250cd 2 has superb regulation and does not require a ded icated AC circuit Avoid connections through extension cords or multi ple AC adapters High quality 15 amp grounded AC strips are accept able High quality AC line conditioners or filters may be used if they are grounded and meet or exceed the unit s power supply rating of 100 VA Krell KAV 250cd 2 o2. N do NI Lowa e 90A ou peau A O O auld 49g Z P20GZ AVM 4L Z ainbig Back Panel Description See Figure 2 on page 8 DIGITAL OUTPUTS ANALOG OUTPUTS REMOTE CONNECTIONS Notes Krell KAV 250cd 2 13 Optics Digital Output The KAV 250cd 2 is equipped with an EIAd fiber optic digital output with a TosLink connector 14 Coax ial Digital Output The KAV 250cd 2 is equipped with an S PDIF coaxial digital output with an RCA connector 15 Left and Right Balanced Analog Outputs The KAV 250cd 2 is equipped with one pair of balanced analog out puts with XLR connectors 16 Left and Right Single Ended Analog Outputs The KAV 250cd 2 is equipped with one pair of single ended analog outputs with RCA connectors 17 RC 5 In The KAV 250cd 2 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 18 12 VDC Out The KAV 250cd 2 is equipped with an output that sends 12 VDC 12 V trigger power on off signals to other Krell components and other devices that incorporate a 12 V trigger This allows you to turn other components on or off or to and from stand by from the KAV 250cd 2 When the KAV 250cd 2 is switched between stand by and operate it sends a signal from the 12 VDC Out that will switch other components allowing whole systems or parts of systems to be easily coordinated 19 12 VDC In The KAV 250cd
3. 18 19 Back cover Illustrations Page FIGURE 1 The KAV 250cd 2 Front Panel 5 FIGURE 2 The KAV 250cd 2 Back Panel 8 FIGURE 3 The KAV 250cd 2 Remote Control 11 iv Krell KAV 250cd 2 Introduction READ THIS FIRST Krell KAV 250cd 2 Thank you for your purchase of the Krell KAV 250cd 2 Front Loading Compact Disc Player The KAV 250cd 2 features a high precision disc transport mechanism and high performance analog circuitry that provide Krell sound quality at an exceptional value The HDCD decoding capability adds further dimension to the KAV 250cd 2 s superb resolution and clarity Krell Class A direct coupled circuitry means that the KAV 250cd 2 can be easily integrated into your system via a preamp processor using either balanced or single ended analog outputs or digital outputs The wireless infrared remote control as well as the remote control connection options on the back panel allow you to integrate the KAV 250cd 2 into whole house systems and easily operate it and other system components This owner s reference manual contains important information on placement installation and operation of the KAV 250cd 2 Please read this information carefully A thorough understanding of these details will help ensure satisfactory operation and long life for your KAV 250cd 2 and related system components The first time the KAV 250cd 2 is plugged in there is a 30 second delay before you can switch to th
4. 2 is equipped with an input that receives 12 VDC 12 V trigger power on off signals from other Krell components and other devices that incorporate a 12V trigger This allows you to tum the KAV 250cd 2 on or off or to and from stand by from other com ponents The 12 VDC output power 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 250cd 2 Back Panel Description continued POWER 20 IEC Connector The connector is for use with the provided IEC standard 15 amp power cord 21 Line Fuse The 50 60 Hz line fuse protects the KAV 250cd 2 against short cir cults from the extemal AC power Note _ Replace fuses only with the fuse value specified on the back panel 10 Krell KAV 250cd 2 Figure 3 The KAV 250cd 2 Remote Control Power 22 Pwr Power Key Compact Disc Transport Functions 23 24 25 26 27 28 29 30 31 CD Key Display Key Direct Number Access Keypad Pause Key Play Key Stop Key Open Key Track Back and Forward Keys Search Back and Forward Keys Special Play Functions 32 33 Prg Program Key Rep Repeat Key Note Krell KAV 250cd 2 Pwr CD D A Amp Pre 22 Pb G G 24 Display Dim Dig in 25 o Co er 14 eek gt 33 Volume 27 26 28 29 30 31 Remote control keys not listed above do not function with t
5. C DISTORTION THD 20 Hz 20 kHz 84 dB THD POWER CONSUMPTION 49W TRANSPORT A drawer loading mechanically isolated drive mechanism featuring a linear drive laser assembly DIGITAL TO ANALOG CONVERTERS Dual Burr Brown PCM 1 702 20 bit devices ANALOG AUDIO OUTPUTS 1 pair balanced via XLR connectors 1 pair single ended via RCA connectors KAV 250cd 2 Front Loading Compact Disc Player v 00 0 DIGITAL AUDIO OUTPUT 1 S PDIF via RCA connector 1 EIAJ optical via a TosLink connector REMOTE CONTROL 1 wi reless infrared 1 RC 5 via a DC power connector 1 12 VDC input 12 V trigger via a 3 4 mm mini plug 1 12 VDC output 12 V trigger via a 3 4 mm mini plug DIMENSIONS 19w x 3 7h x 15d in 48 3w x 9 4h x 38 1d cm WEIGHT Shipped 24 Ib 10 9 kg Unit only 18 5 Ib 8 4 kg
6. KAV 250cd 2 Front Loading Fo sa Compact Disc Player The Leader in Audio Engineering Instructions for Use Owner s Reference KAV 250cd 2 Front Loading Compact Disc Player Instructions for Use v 00 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 WEB SITE http Awww krellonline com C This product complies with the EMC directive 89 336 EEC and the low voltage directive 73 23 EEC Do not place the compact disc player where it could be exposed to dripping or splashing Do not remove or bypass the ground pin on the end of the AC cord This may cause radio frequency interference RFI to be introduced into your playback system The ventilation grids on top of the KAV 250cd 2 must be unobstructed at all times during operation Do not place flammable material on top of or beneath the compo nent Turn off all systems power before connecting the KAV 250cd 2 to any 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 questions not addressed in this reference manual FCD equipped This product is manufactured in the United State of America Krell is a regis
7. current track the elapsed time on the entire compact disc and the remaining time on the entire compact disc See also How to Program a Track Sequence on page 16 Krell KAV 250cd 2 Remote Control Functions continued COMPACT DISC TRANSPORT FUNCTIONS continued Note SPECIAL PLAY FUNCTIONS Krell KAV 250cd 2 25 Direct Track Access Keypad Use the direct track access keypad to select a compact disc track Tracks consisting of two digits must be pressed within eight seconds of each other See also How to Program a Track Sequence on page 16 The 10 key is not functional on the KAV 250cd 2 26 Pause Key Use this key to temporarily suspend playback of the current compact disc track To resume playback press the pause key again 27 Play Key Use this key to start playback from the beginning of the compact disc For more information see How to Play a Compact Disc on page 15 28 Stop Key Use this key to stop compact disc playback 29 Open Key Use this key to open and close the compact disc transport 30 Track Back and Forward Keys Use the track back key to select the track that precedes the current track use the track forward key to select the track that follows the current track 31 Search Back and Forward Keys Press and hold these keys to scroll backward or forward through the current track 32 Prg Program Key Use this key to access the track programming mode Track program ming let
8. e operational mode Do not press the power button or key until the front panel display illuminates Definition of Terms INPUT AND OUTPUT CONNECTIONS OPERATION Following are the definitions of key terms used in your owner s refer ence manual Balanced Asymmetrical input or output circuit that has equal impedance from both input terminals to a common ground reference point The indus try standard for professional and sound recording installations bal anced connections have 6 dB more gain than single ended connec tions and allow the use of long interconnect cables Balanced con nections 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 connec tions Single ended connections are not recommended for connec tions requiring long cable runs Off When power button on the front panel or remote control is pressed and the blue power LED turns off the component is off Operational Mode When the power button on the front panel or remote control is pressed and the blue power LED illuminates the component is in the operational mode and ready to play music Stand by Mode A low power consumption status that keeps the audio and regulator circuits at idle Krell recommends leaving the component i
9. e tracks Press the track number you wish to add on the direct track access keypad then press the program key The newly programmed track is placed at the end of the existing track sequence 1 Press the track number you wish to delete on the direct track access keypad The front panel display shows the track number P and flashes PROGRAM 2 Press the program key to delete the selected track number Krell KAV 250cd 2 How to Program a Track Sequence continued How to Clear a Programmed Track Sequence Note Krell KAV 250cd 2 Press the power key This places the KAV 250cd 2 in the stand by mode and erases the programmed sequence You can also clear the programmed sequence by opening and closing the compact disc transport 17 Warranty To register your product for warranty benefits please complete and return the Warranty Registration Card enclosed in the shipping box within 15 days of purchase Thank you 18 This Krell product has a limited warranty of five years for parts and labor on circuitry and three years for parts and labor on ail mechanical components 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 includ ing but not limited to any im
10. he KAV 250cd 2 Keys not used with the KAV 250cd 2 may be used with other Krell components Consult your owners reference manual for those components to take advantage of their full remote control capabilities 11 Remote Control Description See Figure 3 on page 11 Battery installation and Removal Notes Remote Control Functions POWER COMPACT DISC TRANSPORT FUNCTIONS 12 The KAV 250cd 2 remote control uses two AAA size batteries which are included with the shipment 1 Remove the backplate by sliding it off the remote control 2 Install the batteries following the battery position diagram on the plastic battery receptacle 3 Replace the backplate The remote control is ready for operation Replace batteries when remote control function becomes intermittent Remove batteries if the remote control is not used for a long period of time Battery leakage can damage the remote control The KAV 250cd 2 remote control provides power compact disc transport and compact disc programming functions A description of the remote control keys that are used with the KAV 250cd 2 follows 22 Pwr Power Key o Use this key to switch the KAV 250cd 2 between the stand by and the operational modes 23 CD Key u i Use this key to activate the compact disc and power functions on the KAV 250cd 2 remote control 24 Display Key Use this key to cycle the front panel display between the elapsed time of the
11. ip 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 purchase will be required for warranty validation at the time of hand delivery Use the original packaging to ensure the safe transit of the product to the factory dealer or distributor Krell may at its discretion return a product in new packaging and bill the owner for such packaging 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 Your KAV 250cd 2 product serial number is Krell Industries Inc 45 Connair Road Orange CT 06477 3650 USA TEL 203 799 9954 FAX 203 891 2028 E MAIL krell krellonline com WEB SITE www krellonline com Specifications All operational features pres FREQUENCY RESPONSE specifications and policies are sub 99 Hz 20 kHz Ject to change ne notification 0 0 0 35 dB SIGNAL TO NOISE RATIO A weighted 103 dB TOTAL HARMONI
12. l D00Sc AV gt OL yodsues osig Pedwo 6 suong puenuo4 pue yoeg YORI 9 uong so o u do uong SNEed 9 uong eld S uong dois p suolnoun podsuelL G31e0090H ZL aqq q puels JOSU8S poleijuy LL 371 48M0dg Z Ae dsiq jaueg luoij OL uonng Jamo Ke dsig JOMOd 6 KP OVE Di 3SOTO N3dO lt H3WOd 3snvd AW1d dOls AS ONVLS JOU JUOLY Z PI0GZ AVM PUL esnbly Front Panel Description See Figure 1 on page 5 POWER TRANSPORT FUNCTIONS 1 Power Button Use this button to switch the KAV 250cd 2 between the stand by and the operational modes 2 Power LED The blue power LED illuminates when the KAV 250cd 2 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 250cd 2 is plugged into a standard AC wail receptacle indicating that the compact disc player is in the stand by mode and ready to be switched to the oper ational mode 4 Stop Button Use this button to stop compact disc playback 5 Play Button Use this button to start playback from the beginning of the compact disc For more information see How to Play a Compact Disc on page 15 6 Pause Button Use this button to temporarily suspend playback of the compact disc track To resume playback at the point pause was engaged press the pause button again 7 Open Close Button Use this button to open and close the compact di
13. n of these outputs or Connect the KAV 250cd 2 digital coaxial output or optics output to the input of your preamp processor Plug the AC power cord into the IEC power connector on the back panel then plug the AC power cord into the wall socket The red stand by LED on the front panel illuminates Krell KAV 250cd 2 Operating Your KAV 250cd 2 Power On IMPORTANT How to Play a Compact Disc Notes Krell KAV 250cd 2 This section provides detailed information about operating the KAV 250cd 2 After the KAV 250cd 2 is connected to AC power and is in the stand by mode use the power button or key to switch the component to the operational mode The blue power LED illuminates The compact disc transport is active The first time the KAV 250cd 2 is plugged in there is a 30 second delay before you can switch to the operational mode Do not press the power button or key until the front panel display illuminates 1 Press the open close button or open key to open the compact disc transport 2 Place the compact disc on the transport 3 Press the open close button or open key again to close the com pact disc transport 4 Press the play button or key to begin playback from the first track 5 Press the stop button or key to end compact disc playback Adjust the volume level through your system volume control See Front Panel Description on page 6 and How to Program a Track Sequence on page 16 f
14. n the stand by mode when it is not playing music Krell KAV 250ced 2 Unpacking Follow these steps to safely unpack your amplifier 1 Open the shipping box and remove the top layer of foam You see these items KAV 250cd 2 IEC connector AC power cord 12 VDC 12 V trigger cable KAV 250cd 2 remote control AAA batteries packet containing the owner s reference manual and the warranty registration card ND 2 Grasp the underside of the foam end caps that encase the amplifier and lift the amplifier straight out of the shipping box 3 Place the amplifier in a safe location and remove the protective plastic wrapping Notes If any of these items are not included in the shipping box please contact your authorized Krell dealer distributor or Krell for assistance Save all packing materials If you ship your amplifier in the future repack the unit in its original packaging to prevent transit damage See Return Authorization Procedure on page 19 for more information Krell KAV 250cd 2 3 Placement Note IMPORTANT AC Power Guidelines Before you install the KAV 250cd 2 into your system review the following guidelines to choose the location for the KAV 250cd 2 This will facilitate a clean trouble free installation The KAV 250cd 2 does not require any type of special rack or cabinet for installation For the dimensions of the KAV 250cd 2 see Specifications on the back cover
15. or more information on compact disc play options How to Program a Track Sequence Note How to Change a Programmed Track Sequence Note TO ADD TRACKS TO THE PROGRAM TO DELETE TRACKS FROM THE PROGRAM This short term programming lets you store a maximum of twenty tracks in a program sequence 1 Use the direct number access keypad or the track forward and back keys to select a track 2 Press the program key to store the selected track The front panel display shows PROGRAM 1 for the programmed track and the total track length 3 Use the direct number access keypad or the track forward and back keys to select the next track The front panel display flashes PROGRAM until you press the program key The front panel dis play shows 2 and the total program time 4 Repeat this procedure for each of the tracks you wish to store A maximum of twenty tracks can be programmed in sequence 5 Press the play key to begin playback of the tracks in the program sequence Track forward track back and repeat function normally within a programmed sequence 1 If the compact disc is playing press the stop key 2 Press the program key The front panel display cycles through the programmed track numbers once You can select a track anytime during the cycle or after the front panel dis play has stopped cycling To add or delete tracks first follow steps one and two above Next follow the steps below to add or delet
16. plied 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 the 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 autho rized 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 restric tions 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 ser vice 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 you
17. r 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 v 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 transit 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 fumished only to the distributor performing service on this unit on an exchange basis only any parts and or products retumed 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 perforation 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 purcha
18. s you select up to twenty tracks you want to hear in the order you want to hear them See How to Program a Track Sequence on page 16 33 Rep Repeat Key Press this key once to repeat the entire compact disc The front panel display shows REPEAT Press twice to repeat the current track The front panel display shows REPEAT 1 To cancel this function press the repeat key again Connecting the KAV 250cd 2 to Your System USING BALANCED CONNECTIONS Connection Steps 14 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 Ts Follow these steps to connect the KAV 250cd 2 to your system Make sure all power sources and components are off before connecting inputs and outputs Neatly organize the wiring between the KAV 250cd 2 and all sys tem components Separate AC wires from audio cables to pre vent hum or other unwanted noises from being introduced into the system Connect the interconnect cables from your preamplifier to the KAV 250cd 2 balanced or single ended analog outputs on the back panel The balanced outputs use three pin XLR connectors the single ended outputs use RCA connectors Maintain the cor rect left right orientatio
19. sc transport 8 Track Back and Forward Buttons Use the track back button to select the track that precedes the cur rent track use the track forward button to select the track that follows the current track 9 Compact Disc Transport The compact disc transport holds the compact disc Krell KAV 250cd 2 Front Panel Description continued DISPLAY Krell KAV 250cd 2 10 Front Panel Display The front panel display shows the track number of the currently play ing compact disc as well as programming status 11 Infrared Sensor The infrared sensor receives commands from the KAV 250cd 2 remote control For proper remote control operation make sure the infrared sensor is clear of any obstructions 12 HDCD LED The HDCD LED illuminates when a high definition compact disc is playing indicating that HDCD decoding is functioning YSN Ni FOV SL 9 SL O O AHHH O e O O FEEN LHDIY Lund LO DONY V x l sindino B5olguy esnj aul LZ p pu3 lBuis 1uBiti pue 437 94 1O O9uUuoO 231 OZ sindino Bojeuy J MOd p ouel eg 1uBiti pue yo St sindino Bbojeuy Ul OGA ZL 6L INO OGA ZL 84 ndino jeyibig Iei xeoS I Ul S OH ZI yndyno jesa sondo g4 SUOI DSUUOY loui9ti sindjno jeubig vl L JGISNI S1tiVd TVASIAWAS HASN ON ysn xvOo 4 89lLd0O OS9E 22790 19 3DNVHO O GYOH HIYNNOO SP ONE SZIWLSNONI MAYYA L sinaino wuoia 1J e d OSI Pedwo 2 PI0GZ AVH 6 St Zt Lo Oc 38nd amp
20. se 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 specifications will be charged to the customer at current parts and labor rates All operational features functions and specifications and policies are subject to change without notification 7 Krell KAV 250cd 2 Return Authorization Procedure HOW TO EXPEDITE SERVICE HOW TO RETURN A PRODUCT IMPORTANT HOW TO PURCHASE ADDITIONAL PACKING SERIAL NUMBER Krell KAV 250cd 2 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 retum 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 Awww krelioniine 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 WEB SITE _http Avww 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 sh
21. tered trademark of Krell Industries Inc and is restricted for use by Krell Industries Inc its subsidiaries and authorized agents Ho HDCD High Definition Compatible Digital and Pacific Microsonics are either registered trademarks or trademarks of Pacific Microsonics Inc in the United States and or other countries HDCD system manufactured under license from Pacific Microsonics Inc This product is covered by one or more of the following In the USA 5 479 168 5 638 074 5 640 161 5 808 574 5 838 274 5 854 600 5 864 311 5 872 531 and in Australia 669114 Other patents pending TosLink is a trademark of Toshiba Corporation All other trademarks and tradenames are registered to their respective companies 2000 by Krell Industries Inc All rights reserved P N 304666 Contents Krell KAV 250cd 2 INTRODUCTION Read This First DEFINITION OF TERMS UNPACKING PLACEMENT AC Power Guidelines FRONT PANEL DESCRIPTION BACK PANEL DESCRIPTION REMOTE CONTROL DESCRIPTION Battery Installation and Removal Remote Control Functions CONNECTING THE KAV 250cd 2 TO YOUR SYSTEM Connection Steps OPERATING YOUR KAV 250cd 2 Power On How to Play a Compact Disc HOW TO PROGRAM A TRACK SEQUENCE How to Change a Programmed Track Sequence How to Clear a Programmed Track Sequence WARRANTY RETURN AUTHORIZATION PROCEDURE SPECIFICATIONS Page co O gt P Go N 12 12 12 14 14 15 15 15 16 16 17
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