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Krell Industries Digital-to-Analog Processor REFERENCE 64 Owner's Reference Manual

Krell industries inc. digital-to-analog processor owner's reference manual
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REFERENCE
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OWNER'S REFERENCE

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Summary of Contents for Krell Industries Digital-to-Analog Processor REFERENCE 64

  • Page 1 DIGITAL REFERENCE OWNER’S REFERENCE C==:D 0 ...
  • Page 2 INTRODUCTION Thank you for your purchase Digital-to-Analog Processor audio components. Krell technologically advanced components for the reproduction digitally recorded music. lence in the Krell tradition through leading-edge The REFERENCE 64 is designed look and function as a world-class, nent. The REFERENCE 64 utilizes cuitry.
  • Page 3 This Owner’s Reference free installation of your REFERENCE 64 processor. stallation, Operation provided. Should you have any questions feel free to contact your authorized for assistance. In the unlikely event service, you will be pleased prehensive Customer Satisfaction advanced service facilities mation on the terms and conditions the Warranty and Service...

  • Page 4: Table Of Contents

    TABLE OF CONTENTS UNPACKING INSTRUCTIONS ASSEMBLY INSTRUCTIONS PLACEMENT AC POWER CONSIDERATIONS INPUT AND OUTPUT CONNECTIONS PROCESSOR OPERATION OPERATING INSTRUCTIONS QUESTIONS AND ANSWERS SPECIFICATIONS WARRANTY AND SERVICE INFORMATION PAGE 4...
  • Page 5 1. Open the box and remove the top layer items will now be visible: REFERENCE 64 D/A PrOcessor REFERENCE 64 Power Power Coupler AC power cord AT&T cable (1 mtr) Packet containing Card NOTE: If any of these items are not included, authorized dealer immediately...

  • Page 6: Assembly Instructions

    ASSEMBLY ASSEMBLY INSTRUCTIONS 1. The processor is designed to sit directly Power Supply. There is a mechanical interlock feet of the processor The units are secured together 2. Place the Power Supply on a clear locking shoes at the front lock pins at the rear top of the Power Supply cover.
  • Page 7 5. Locate the Processor/ assembly can only be installed of the assembly with the mal~ connectors connectors inthe center tors on the power coupler go into the Processor’s Once the coupler has been firmly utilizing the four thumb screws provided. the coupler edges should be parallel of the supply and Processor CAUTION: Do not attempt...

  • Page 8: Placement

    PLACEMENT PLACEMENT Before you install recommend that you follow location. This will facilitate 1. Although well shielded, close proximity to hum-sensitive turntables, tuners, etc.) hum. 2. As with any high quality openings in the chassis Processor to dissipate A output stage. Place the unit on a clean, excessive dirt...

  • Page 9: Ac Power Considerations

    AC POWER CONSIDERATIONS NOTE: While the REFERENCE 64 has superb not require a dedicated connections through extension High quality 15 amp grounded quality AC line conditioners grounded and meet or exceed the unit’s 300VA. CAUTION: Do not remove or bypass of the AC cord.

  • Page 10: Input And Output Connections

    CONNECTIONS INPUT AND OUTPUT CONNECTIONS CAUTION: When making connections other, make sure the power amplifier is in the MUTE or STANDBY mode. 1. Connect the AC Mains cord to the back of the REFERENCE 64 Power Supply and plug the power cord into CAUTION: Only plug the Power Supply into the AC Mains after power coupler joining...
  • Page 11 2. Connect the REFERENCE 64 analog input of your preamplifier. The REFERENCE 64 is equipped rations" Single-ended connectors. If your preamplifier we recommend the balanced There are considerable balanced interconnection. The XLR pin configuration Pin 1 Ground °) Pin 2 Non-inverting °) Pin 3...
  • Page 12 CONNECTIONS 3. The Left and Right channel back panel. The balanced connector closest to the Left RCA output is the left and the connector closest balanced output. Care should be taken to insure orientation between the Processor your preamplifier is maintained. 4.
  • Page 13 Typical System Connection Diagram. Digital components can connect to different inputs than are shown. DAT DECK SATELLITE RECEIVER CONNECTIONS LOUDSPEAKERS KSA AMPLIFIER PREAMPLIFIER OUTPUT REFERENCE CD TRANSPORT DAT DECK PAGE 13...
  • Page 14 CONNECTIONS - TAPE MONITOR INPUTS 1 Digital only tape output: 2 Digital monitor inputs 1 AT&T normally active, 1 coax selected The digital signal at the tape output is the active signal selected. The use of external does not interfere with the output of the selected the tape output RCA.
  • Page 15 DIGITAL SOURCE TO D/A CONVERTER INTERLINK CONSID- ERATIONS Care should be taken in selectihg digital source to your Processor, width fiber optic cable be used. The AT&T format has a bandwidth of approximately 50 MegaBit. This allows accurate of the digital bit stream without data corruption sonically superior.
  • Page 16 CONNECTIONS TIMESYNC TimeSync is a proprietary CD transport and REFERENCE 64 to link transport clock. The TimeSync system can only be had on specific Krell transports. The DT- 10 and MD- 10 CD Transports standard with TimeSync output. TimeSync installed as a new or additional The TimeSync input allows the clock of selected to become the system clock.
  • Page 17 The operation of the Processor requires that the data input be selected be selected. TimeSync input selected must be from the same source. are from different sources the processor period, go into a MUTE mode. The MUTE mode can be cleared pressing the TimeSync button and then...
  • Page 18 CONNECTIONS HOW TO CONNECT AT&T CABLES: Remove the plastic transmitter (located on Transport) cessor). b. Locate the slot on the top of the AT&T receptacle. c. Locate the key on the top of the AT&T cable. d. Remove the plastic e.

  • Page 19: Processor

    INPUT SELECT SWITCHING The REFERENCE 64 has multiple own input switch and direct When an input is selected, AT&T fiber Balanced Toshiba fiber optic input (Priority) TOSH/C1 and Coaxial COAX 2 Coaxial INPUT FREQUENCY INDICATORS When the input signal ing input frequency LED will illuminate.
  • Page 20 OPERATION SOURCE AND MONITOR SELECTION The SOURCE button directs selection section to the DAC and analog output stage. button must be depressed the main audio system. The MONITOR button connected to the digital output stage. This enables you to listen output while recording.

  • Page 21: Operating Instructions

    OPERATING INSTRUCTIONS 1. Select an input with the Input switch. will illuminate when the digital with the Processor. Once this ready to pass a signal. press the TimeSync button illuminate. 2. Be sure that your preamplifier’s completely to the OFF (lowest 3.
  • Page 22 OPERATION NOTE: While your REFERENCE 64 will moment you turn period of 8 hours before qualities. It will continue nents are utilized in the analog output period allows them to reach thermal Your installation is now complete. questions which are not covered in the remainder ence, contact your authorized...

  • Page 23: Questions And Answers

    Q. My CD player has both fiber one should I use? A. Given a choice, we prefer the’AT&T optical to completely isolate component and the Processor. ground loops in the digital has the added benefit coax or the standard fiber optic interface. used, we suggest the AES/EBU balanced...
  • Page 24 QUESTIONS AND ANSWERS Q. I am not getting any sound through the Processor. be wrong? A. Most likely there has been a simple mistake in installation. Check all connections source component powered? Check all you selected the correct panel LED’s for Power Supply stability. turn off the power and contact Q.
  • Page 25 Q. While listening to my REFERENCE 64 1 experience periods of silence through my speakers. tioning? A. Drop outs are caused by two primary reasons. can be caused by data corruption. due to a poor input connection, or interconnects which do not have enough second item that causes the Processor a transient spike on the incoming AC power line.

  • Page 26: Specifications

    SPECIFICATIONS FREQUENCY RESPONSE -. l dB at 4Hz & 20 KHz SIGNAL TO NOISE 100 dB A weighted DIGITAL-TO-ANALOG KRELL DAC Modules SHIELD PROCESSING KRELL written software Serial Motorola 560001 processors channel in series configuration LINEARITY +.3dB at -90dB THD +N .011% CHANNEL SEPARATION >...

  • Page 27: Warranty And Service Information

    KRELL distributor voltage conversion voltage of your REFERENCE 64 KRELL Industries. a Return Authoriza- or distributor to you will be paid by the factory disassembly, updates PAGE 27 the REFERENCE 64. years...
  • Page 28 Krell Industries, Inc. ¯ 45 Connair Road, Orange CT 06477-3650 TEL 203-799-9954 FAX 203-891-2028 E-MAlL krell@krellonline, WEBSITE http: //www.krellonline. © 2001 Krell Industries, Inc. (REF649303)

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