Owners Manual - Audio Research
Contents
1. 971 1 91eA1JOS 56011395 19598 suimqiv 110 jeaday 9 jjnus 257 VUE 295 06 Aejdsiq IN EDINI 1Ip3 183 53 183 53 22121819 gt eqAe d yoeqheld SDP 19 U yoeqheld 9281914 1951 Main Menu AES EBU BNC Internet Radio iPod Media Server RCA Settings Toslink USB 2 0 HS USB Stick Functional Loading Music File Album Selected Song Station Icons Status Bar Balance Left Balance Right Sharp Filter Soft Filter Invert Mute Mono Pause Play Repeat Repeat One Shuffle Preface Please take time to carefully read and understand the following instructions before you install or attempt to operate your Audio Research Reference DAC Digital Media Bridge Becoming familiar with the product and its correct operating procedures will help assure you of maximum musical enjoyment and reliable operation The effort you invest now will be well rewarded in the years ahead Warnings 1 To prevent fire or shock hazard do not expose this product fo rain or moisture 2 Do not place objects containing water on top of this unit 3 The appliance coupler at the rear of this unit must be accessible for emergency power disconnect 4 The Power button on the front of this unit when off DOES NOT DISCONNECT ALL POWER2. selected in the computer not done in hardware INVERT Inverts absolute phase of the output signal INPUT Toggles through the different digital inputs REPEAT Toggles the Reference DAC between Repeat All and Repeat One track and no repeat SHUFFLE Toggles the Shuffle feature on and off Shuffle instructs the Reference DAC to randomly select tracks from a device or folder NOTE Repeat and Shuffle only function with the following inputs Media Server Ipod Dock USB Input HOURS When pressed displays number of operating hours vacuum tubes have been in service WARNING after replacing tubes this function should be reset to 0 only by a qualified technician Hours display can be reset to O by pressing black button labeled located on upper right corner of circuit board directly behind display window The unit must be On to reset function the service technician must be careful to avoid any contact with other circuit components during reset operation Contact Audio Research customer service 763 577 9700 for information regarding this procedure Connections INPUT CONNECTORS The Reference DAC provides seven connections on the rear panel USB 2 0HS RCA BNC AES EBU Toslink Ethernet and iPod and one connection on the front panel USB Mem USB 2 0HS Connect a USB cable from your computer to the Reference DAC RCA SPDIF Connect RCA cable from a disc transport or other digital device equipped with an RCA d
3. 12Mbps port will sometimes work but will distort Most PC and Mac computers made after 2008 come stock with USB 2 0 HS ports On your PC go into the Device Manager then USB Controller then USB Root Hub panel and click on Properties and then Advanced there it will say the speed of that USB port It is possible for a static discharge to temporarily disable the microprocessor that allows the controls to function If this should occur depress the Mute button then turn off the unit and unplug the DAC from the A C receptacle for 60 seconds Reconnect the A C plug and turn the unit back on along with other components The controls should resume normal operation If the problem persists contact your dealer or Audio Research Customer Service at 763 577 9700 Servicing Because of its careful design and exacting standards of manufacture your Reference DAC should require no routine maintenance The remote control s batteries AAA should be replaced once a year CAUTION Your Reference DAC contains sufficient levels of voltage and current be lethal Do not tamper with component or part inside the unit Refer any needed service to your authorized Audio Research dealer or other qualified technician The vacuum tubes inside your Reference DAC are quality tubes and with normal use should not need to be changed for approximately 4 000 hours of use Replacement tubes should be of equivalent quality and are available from Audio Re
4. Warranty or a 90 Day Limited Warranty vacuum tubes This Limited Warranty initiates from the date of purchase and 15 limited to the original purchaser or in the case of demonstration equipment limited to the balance of warranty remaining after original shipment to the retailer or importer In the United States the specific terms conditions and remedies for fulfillment of this Limited Warranty are listed on the warranty card accompanying the product in its shipping carton or may be obtained from the authorized retailer or from the Audio Research Customer Service Department Outside the United States the authorized importing retailer or distributor has accepted the responsibility for warranty of Audio Research products sold by them The specific terms and remedies for fulfillment of the Limited Warranty may vary from country to country Warranty service should normally be obtained from the importing retailer or distributor from whom the product was purchased In the unlikely event that technical service beyond the ability of the importer is required Audio Research will fulfill the terms and conditions of the Limited Warranty Such product must be returned at the purchaser s expense to the Audio Research factory along with a photocopy of the dated purchase receipt for the product a written description of the problem s encountered and any information necessary for return shipment The cost of return shipment is the responsibility of th
5. on your network If you specify a default server the Reference DAC will immediately go to that location when the Media Server input is selected Renderer Name This section allows the Reference DAC to be given a renderer name as displayed on a network User Interface Edit and change display features Edit names Several inputs on the Reference DAC can be programmed to have customized names USB 2 0HS AES EBU BNC RCA and TOS To change an input name select the name you want to change and use the navigation pad to enter the new name up and down arrows select characters right and left arrows move the cursor back and forth Once you have entered in the new name press the center navigation button Display Timeout The display on the Reference DAC is set by default to always remain illuminated timeout is Off This function allows various timeouts to be chosen from 10 seconds to one hour To change the timeout simply select the appropriate time out and press the center navigation button The currently selected timeout will have a check next if Playback Control shuffle and repeat Two options Repeat and Shuffle are in the Playback section Select Repeat to choose to repeat one all or no tracks Select Shuffle to choose to shuffle tracks or albums or no shuffle The currently selected item will have a check next 10 if NOTE Repeat and Shuffle are also both directly accessible from the remote control General F
6. sampling rate 176 400 kHz 7 The Mac OS does not allow change of the Sample Rate by the hardware ASIO driver With the Mac the AUDIO MIDI SETUP Utility has control over the sample rate sent to the Reference DAC Remember the Reference DAC defaults Native mode so will always lock on and indicate whatever sample rate is being sent by the computer See the Mac installation instructions for details eoo Audio Devices Built in Input 2 ani 4 AUDIO RESEARCH CORP DAC Built in Output Clock source Default 7 N 2 out Cinput AUDIO RESEARCH CORP DAC 2 2 out Source Default Format 48000 0 Hz 2ch 24bit Integer Configure Speakers 51 18 SETTING THE SAMPLE RATE OR NATIVE IN WINDOWS If your music server or music management software does not allow you to connect to the Reference DAC HD Audio Device drivers directly you can easily tell Windows Vista or Windows 7 operating systems to honor Native mode for your music file While in Vista or Windows 7 call up the Windows control panel and select the Sound panel You should see the DAC Playback Recording Sounds Communications Select a playback device below to modify its settings DAC Qut 1 7 DAC USB WDM Audio Ready Speakers Realtek High Definition Audio Default Device Realtek Digital Qutput Realtek High Definition Audio Ready Set Default Properties Sonhigure De
7. the Audio Research DAC mpkg Audio Research DAC SDK 2 00 15 Za Za Audio Research DAC CPL Audio Research DAC SPY Audio Research DAC mpkg doc driver files Follow the on screen prompts as you install the DAC HD Audio device drivers Press the CONTINUE button when you see the Welcome panel When the installer asks you if you want to do a Standard install press the INSTALL button eoo Install Audio Research DAC Driver Standard Install on Macintosh HD Introduction Destination Sel Click Install to perform standard installation of Installation this software the disk Macintosh Installatigf Summe Change Install Location Customize GoBack Install At the completion of the install you should see the INSTALL SUCCEEDED panel Press the CLOSE button and the installation will be complete Restart your Mac to complete the installation Install Audio Research DAC Driver The installation was completed successfully Introduction Destination Sel Installation Installation 7 J The installation was successful The software was installed After installation go to your DOCK and click on the SYSTEM PERFERENCES and click on SOUND Make sure AUDIO RESEARCH CORP DAC has been selected If not go into the SOUND panel and click on the A
8. Left arrow lt will go back one screen or menu selection Function also on remote control Left and Right arrows on navigation pad EXIT Toggles the Reference DAC from the current screen to the main menu input selection screen VOLUME UP DOWN Using rotary control on front panel or VOL UP VOL DN buttons on remote increases decreases overall volume level of both channels equally for whichever input has been selected Caution do not turn up volume beyond normal listening levels when Mute is engaged to avoid unexpected or possibly damaging sound levels It is a good idea to reduce volume whenever changing program sources even when muted INPUT Moves the selection bar up or down on the display Turn the Input knob to the left or right to highlight an input and then press the Select button to choose that input Also use the Input knob to move the selection bar to the desired function or folder when navigating the settings menu or music folders Function also on remote Up and Down arrows on navigation Remote Control only Functions FILTER Selects between Sharp or Soft digital filter algorithms MONO Sums L and R input for mono output from any source selected SAMPLE Selects between the native sample rate of the incoming signal or integer based upsampling Ethernet client board Media server iPod internet radio USB stick max is 88 2 and 96kHz SPDIF inputs max is 176 4 and 192kHz and USB2 0HS upsampling is
9. REFERENCE DAC Digital Media Bridge audio research R J T O N S Made for iPod LliPhone iPad Contents Model Reference DAC Digital Media Bridge Illustrations 4 Menu Tree 5 Explanation of Icons 8 Preface 9 Warnings 9 Packaging 9 Installation of Vacuum Tubes 9 Description of Controls 10 Connections 11 Installation Instructions 11 Settings Menu 11 12 Operating Procedure 12 Input Operation 13 Windows Software Installation 14 15 Mac Software Installation 15 16 Software Settings 16 18 Troubleshooting 19 Servicing 19 Cleaning 19 Disposal and Recycling Guidelines 19 Limited Warranty 20 Compatibility and Connectivity 21 Specifications 22 audio research VOLUME a DIGITAL IVIEDIA BRIDGE autdio research PLYMOUTH MINNESOTA MADE IN U S A BNC AES EBU TOS ETHERNET iPod DIGITAL INPUTS REFERENCE DAC DIGITAL MEDIA BRIDGE WiFi ANTENNA USB2 0HS RCA 12V REMOTE O REFERENCE DAC HIGH DEFINITION ___ RS 232 m O 0 RIGHT CHANNEL LEFT CHANNEL _____ ANALOG OUTPUTS TRIGGER OUT WARNING TO PREVENT FIRE AND SHOCK HAZARD DO NOT EXPOSE THIS DEVICE TO RAIN OR MOISTURE UNIT MUST BE OPERATED IN A HORIZONTAL POSITION CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN DO NOT OPERATE WITH COVERS REMOVED UNIT CONTAINS VOLTAGES WHICH MAY BE HAZARDOUS 0 REFERENCE DAC m 2 lt
10. UDIO RESEARCH CORP DAC name and close out the panel Remember to see the DAC name in the SOUND panel you must have the Reference DAC ON and connected to the USB port You are now ready to call up iTunes or any other music management program and enjoy your Reference DAC 600 gt Show AI Go Back Sound Select a device for sound output Name Type Headphone port USB Headphones AUDIO RESEARCH CORP DAC Settings for the selected device Balance sa asa sxi s s gt left right Use audio port for Sound Output Output volume sf Mute V Show volume in menu bar SETTING THE SAMPLE RATE ON MAC OS X Now go into the FINDER then GO then UTILITIES and select AUDIO MIDI SETUP Once in the Audio MIDI Setup panel click on the PROPERTIES FOR selection box and select AUDIO RESEARCH CORP DAC Then do the same for the SYSTEM OUTPUT and DEFAULT OUTPUT selection boxes Remember to see the Reference DAC name in the Audio MIDI Setup panel you must have the Reference DAC ON and connected to the USB port Next go into the AUDIO OUTPUT section of the panel and select the desired FORMAT SAMPLE RATE from the list 44100 48000 88200 96000 176400 192000 0Hz Also 2ch 24bit should be showing in the window to the right If you plan to play mostly 44 1 ripped CD s then select 44 1 88 2 176 AkHz This will select the correct Master Oscillator in the Reference DAC
11. UPS asp can give you ideas on how to construct a high resolution music server that will provide an S PDIF signal to the Reference DAC If you desire to play high resolution music files via the USB 2 0 HS interface to the Reference DAC all you do is connect your computer to the Reference DAC via a good quality high speed USB 2 0 480Mbps cable and install the Reference DAC HD Audio Device drivers Once connected you are ready to sit back and enjoy your favorite tunes A large part of the digital music experience is managing and organizing your music for fast and accurate playback through the Reference DAC to your audio system There are several software music managers available to enhance your music experience on PC s J Rivers Media Center Mediamonkey and FooBar are three that provide the ability to connect to the Reference DAC s HD Audio Device drivers for bit perfect music playback in its Native mode Others such as iTunes amp SongBird and Windows Media Player amp are excellent media managers that will play your music through the Windows Sound Control interface To assure bit perfect data transfer with these music managers follow the instructions in the SETTING THE SAMPLE RATE OR NATIVE MODE section The resources at htto www computeraudiophile com and other digital music web sites can help you select a media manager and provide other information aimed at enhancing your music enjoyment Troubleshooting Guide The USB
12. ate Mute function Set Volume level to O Turn off power amplifier s Press Power switch to off Turn off input sources oe De Du qp Input Operation Media Server 1 Ensure you have an Ethernet cable connected to the Reference DAC or you have established a wireless connection 2 From the Main Menu use the navigation buttons on the remote or the Input knob on the front panel to scroll to Media Server Press the center navigation button or Select on the front panel 3 Navigate through the menu structure to choose the desired folder s selecting each folder of your choice Once you have reached the song level of the menu you will see notes appear next to each song title 4 Select the song of your choice The Reference DAC will begin to play music from this point assuming there are other songs following the one you have chosen the Reference DAC will continue until the final song 5 Forfurther features such as repeat and shuffle please see page 12 iPod iPhone iPad 1 Connect the cable supplied with your Apple iPod iPhone or iPad to the input on the rear panel labeled iPod with the 30 pin connector inserted into your device or dock Ensure the cable is seated firmly at both connections 2 From the main menu use the navigation buttons on the remote or the Input knob on the front panel to scroll to iPod dock Press the center navigation button or Select on the front panel 3 Navigate th
13. e control of the sample rate being sent to the Reference DAC you should simply use the DAC control panel to set the Reference DAC sample rate to that of the music you are playing see illustration on page 18 DAC Out 1 2 Properties General Levels Enhancements Advanced Default Format Select the sample rate and bit depth to be used when running in shared mode 24 bit 176400 Hz Exclusive Mode Allow applications to take exclusive control of this device Give exclusive mode applications priority Restore Defaults OK Cancel Apply SETTING NATIVE MODE IN MAC OS X Mac OS X does not allow the music manager such as iTunes or SongBird to change the Sample Rate on a song by song basis For example if you set the sample rate of the DAC driver in the AUDIO MIDI SETUP panel to 176400 0Hz then iTunes will up sample a 44 1 CD to 176 4kHz and send it to the Reference DAC the 176 4 LED will be lit To play a 44 1 CD at 44 1kHz simply set the sample rate in the Audio MIDI Setup Utility to 44100 0kHz See section SETTING THE SAMPLE RATE ON MAC OS X for details To play your music in bit perfect mode at its native Sample Rate you will need to purchase and install software from a third party such as Pure Music Pure Vinyl or Amarra These software packages provide bit perfect music transfer to the Reference DAC and allow the native sample rate to be sent to the Reference DAC on a song by song ba
14. e injury or death Contact your dealer or Audio Research Customer Service 763 577 9700 if you have any questions about installing or replacing vacuum tubes in this unit Description of Controls Front Panel Rotary Controls The Reference DAC has two microprocessor driven rotary controls The rotary control on the left adjusts Volume output level up or down for both L and R channels Volume control is also selectable via Vol UP and Vol DN buttons onthe remote control Volume adjustment is indicated in the display window by numeric digits on 0 103 scale Do not turn volume up beyond normal listening levels when mute is engaged to avoid unexpected or possibly damaging sound levels Reduce volume level whenever changing input sources even when muted The rotary control on the right selects any of the inouts on the Reference DAC and is also a navigator through the settings and front panel interface Front Panel and Remote Control Buttons POWER ON OFF Supplies power from A C wall outlet to DAC indicated by active display window After pressing the Power button turn on unit the display will remain black for approximately 8 seconds after which the Reference DAC splash screen will appear Once the splash screen is gone the main menu page is displayed and a countdown timer will show the seconds until the unit is ready for operation After countdown the unit will be in Mute MUTE When activated electrically mutes all out
15. e purchaser 20 Compatibility and Connectivity Codecs Sampling Rate Resolution Quality Tags 5 5 AAC AAC v1 HE AAC 24 96 kHz 8 320 kbit s 103 V2 4 output sampling rate max 48 kHz Ogg Vorbis 1 0 32 48 kHz aram ee ee ee j FLAC 44 1 96 kHz 16 24 bit LO L8 FLAC tags 2 FLAC high sampling rates 176 4 192 kHz 16 24 bit L4 L8 FLAC tags S LPCM 22 96 kHz 16 240 WAV tags 16 bit Integer 24 bit integer packed type1 32 bit integer IEEE 0 24 float type3 LPCM high sampling rates 16 bit Integer 24 bit integer packed type1 32 bit integer IEEE 0 24 float type3 WMA 9 8 48 kHz 5 320 kbit s WMA tags EE UO LL 9 lossless and WMA 9 pro Support through transcoding of unprotected tracks by Windows Media Connect only ALAC 8 48 kHz 8 16 24 bit E O Ol File Formats Protocols MP3 MPEG I Layer 3 HTTP 1 1 Audio Transport AAC MPEG 4 Advanced Audio Coding File Shoutcast WAV WMA Streaming including MMS and WMS WMA RTSP SDP Real Time Streaming Protocols over TCP WAX ASX M3U Connectivity PLS Ethernet iPod WPL Ethernet 10 Base T iPod over USB JPEG Ethernet 100 Base T Ethernet PHY Realtek Extended mode supported for iPad streaming only UPnP WiFi USB UPnP digital media player DMP Wireless LAN IEEE 802 11b g n USB 1 1 FS Host UPnP digital media renderer DMk WiFi 802 11 compliant USB 2 0 HS Host Twonky compatible Infrastruc
16. evice Control Service Text Document Device Driver Setup AUDIO RESEARCH CORP 3 49 KB 1 33 12 0 setup Za usbpalspy 2 Configuration settings USBPAL Spy Tool G 6 15 SP Y research corp Place the installation disk you received with your Reference DAC into your computer and double click the SETUP icon The disk should auto load and start the install function folow the on screen prompts as you install the DAC USB Audio device drivers Press NEXT when the WELCOME window appears Welcome to the DAC USB Driver v1 33 12 Setup Wizard This wizard will guide you through the installation of DAC USB Driver v1 33 12 When asked to accept or decline the License Agreement check the ACCEPT box and press NEXT EE License Agreement A Please review the license terms before installing DAC USB Driver v1 33 12 Press Page Down to see the rest of the agreement AUDIO RESEARCH SOFTWARE LICENSE AGREEMENT IMPORTANT READ BEFORE COPYING INSTALLING OR USING Do not use or load this software and any associated materials collectively the Software until you have carefully read the following terms and conditions By loading or using the Software you agree to the terms of this Agreement If you do not wish to 50 agree do not install or use the Software LICENSE You may copy the Software onto multiple computers for your personal noncommercial use and you make one back up copy of the Software s
17. f Vacuum Tubes This unit has been shipped with the vacuum tubes in a protective foam block inside a separate box Using q philips head screwdriver to loosen the fastening screws remove the top cover and set aside After removing the top cover open the box of vacuum tubes and see the accompanying illustrated sheet for instructions on installing the tubes for your Reference DAC in their proper locations in the power supply and audio section Note that the numbers written on each tube correspond to a V number printed on the circuit board next to each tube socket Insert each tube firmly carefully aligning the tube pins with the corresponding socket holes REAR 9 TUBE LOCATIONS TOP VIEW FRONT WARNING Do not attempt to install or remove any vacuum tubes unless this unit is turned off and disconnected from the A C power outlet Unit should be connected to the A C outlet and turned on only after all vacuum tubes have been installed and appropriate panels have been replaced and fastened See owner s manual for installation instructions Before replacing vacuum tubes turn off unit disconnect from A C outlet and allow installed tubes to cool before attempting to remove them Hot tubes may cause burns or other injury if not allowed to cool before removal When removing or installing tubes do not touch tube socket contacts or other components as the circuit may retain sufficient levels of voltage and current to caus
18. for CD s eoo Audio Devices Built in Input um 4 AUDIO RESEARCH CORP DAC Clock source Default 2 Built in Output 4 AUDIO RESEARCH CORP DAC 2 inf 2 out Source Default Format 48000 0 Hz 2ch 24bit Integer Volume Configure Speakers USING THE Reference DAC CONTROL PANEL In Windows when you installed the DAC USB software an icon for the DAC HD Audio Device control panel was placed in your computer s input tray Double click the icon and select one of the 6 sample rates listed 44 1 48 88 2 96 176 4 or 192kHz then press Apply and then close the window by clicking the X in the upper right corner of the window The only time you need to go back to this window is when you want to change the sample rate mode Also as long as the Reference DAC 5 connected to your computer when you turn if on the last sample rate you selected will be resent to the Reference DAC Remember whenever you want to change the Sample Rate you must exit the music management program you are using call up the Reference DAC control panel make the Sample Rate change and recall your music management program and start playing music o DAC Control Panel 1 File Help Ll xl Sample Rate Buffer Settings 5484 Devices f DAC ASIO IN Channels ASIO OUT Channels 176 400 kHz Apply Status Info Driver Info Ready Streaming state Running Current
19. from this unit This unit is in SLEEP MODE when not ON 5 This unit operates on voltages which can cause serious injury or death Do not operate with covers removed Any necessary servicing should be carried out by your authorized Audio Research dealer or other qualified electronics technician 6 The power cord supplied with this unit is safety tested and is equipped with a proper grounding plug If used normally it will provide a safe earth ground connection of the chassis Defeat of the grounding plug or use of a power cord without a grounding plug or any unauthorized modification of the active circuitry or controls of this unit automatically voids warranty coverage and could cause injury or death 7 For safe operation and protection against fire hazard replace fuses only with those of the same type and rating as those supplied with this unit Packaging Save all packaging accompanying this product You have purchased a precision electronic instrument and it should be properly cartoned any time shipment becomes necessary It is very possible that this unit could be damaged during shipment if repackaged in cartoning other than that designed for it The original packaging materials help protect yourinvestment from unnecessary damage delay and added expense whenever shipment of this unit is required DO NOT ATTEMPT TO OPERATE THIS EQUIPMENT BEFORE INSTALLING THE NUMBERED VACUUM TUBES IN THEIR RESPECTIVE SOCKETS Installation o
20. igital output connector BNC SPDIF Connect BNC cable from a disc transport or other digital device equipped with a BNC digital output connector AES EBU Connect an AES EBU cable from a disc transport or other digital device equipped with an AES EBU digital output connector Toslink Connect a Toslink optical cable from a digital device equipped with a Toslink output Ethernet Connect an RJ 45 cable to a home network or other compatible system for use with the Media Server interface and to supply access to the internet for Internet Radio service iPod Connect the USB end of a cable with the Apple 30 pin connector for use with an iPod iPad or iPhone NOTE This connection is designed for use with an iPod iPad or iPhone only USB Mem Insert a USB memory stick into the front slot on the Reference DAC to access music files loaded on the memory stick NOTE This connection is designed for use only with a memory stick or compatible mass storage device OUTPUT CONNECTORS outputs are provided 12V In Out Remote Power Jacks The 12V DC input output jacks provide the ability to remotely turn on and off other linked components such as power amplifiers having similar capabilities RS 232 Connection The RS 232 connection allows for control via systems such as Crestron or other automation systems IR Input The IR input allows a wired IR connection to the Reference DAC This connection will defeat the front panel IR receiver One
21. input is not working Make sure you SELECTED the USB as the input on the Reference DAC Make sure you installed the DAC driver software from the CD that came with your Reference DAC and make sure the computer recognizes the Reference DAC 15 connected Make sure you are using a High Speed USB cable one rated for 480Mbps don t see the Reference DAC in the SOUND panel my Mac or Windows PC computer After you install the DAC driver software you must make sure the Reference DAC is connected to the computer via the USB cable and plugged into an AC outlet otherwise the computer will not show the Reference DACs presence in the SOUND panel In some cases if helps RESTART your computer with the Reference DAC still connected this allows the computer to finish the installation and place the DAC into the SOUND panel for selection The volume is too loud or the audio is distorted using my Mac computer Check the VOLUME control setting in the AUDIO MIDI Setup panel The Volume should be set to about for both channels The Mac computer allows the customer to increase the digital volume of the music past O 0dBm consequently the Mac can overdrive the Reference DAC and cause distortion This is not an issue with the Windows PC where 0 0dBm is the maximum volume setting The audio intermittently distorts when running with the USB input Check to make sure you are using your computers USB 2 0 HS 480Mbps port A USB 2 0 FS
22. ireless or Ethernet connection Network Setup Two options will be displayed Wired or Wireless The current selection will have a check mark next to it if you choose the unchecked option the unit will restart and cycle through the initialization sequence For a wired setup once you have selected wired the following screen will let you select Automatic DHPC or Static IP Address The preferred setup is to choose Automatic DHPC on the following screen select Proxy off and then confirm by pressing the center navigation button Use Static IP Address if you need the Reference DAC to have a constant fixed IP address on your network For a wireless setup once you have selected wireless the following screen will give you the option for Scan or WPS Wi Fi Protected Setup Scan will reveal any existing wireless networks accessible by the Reference DAC To signin to any network on this list scroll to it and selectit If a password is required the following screen will allow you to enter it use the up and down arrows to scroll through the characters and the right arrow to advance to the next space Pressing the center navigation button after completing the password will make the connection WPS offers both PIN and push button support Network Info This section will explain how the Reference DAC is connected and how it appears within your network Default UPnP Server Use this feature to always direct the Reference DAC to a specific location
23. m 2 VO JOD MUTE 0 OO O audio research HIGH DEFINITION CAUTION FOR CONTINUED PROTECTION AGAINST FIRE HAZARD REPLACE FUSE ONLY WITH SAME TYPE AND RATING 1 5A FUSE SLO BLO 230V 0 140W MAX 50 60 HZ VOLTS SERIAL Nav IU ET 657020 01 00 zs uu g 15021 95 20 JO 00 00 1504 u g ANOA 90 Ef jeinoO OS UOS fF o u3 50 VLOSANNIW uo GO cf 2521 go f f ul f f 222 19410 941 sbuoseuu s NN n83 S3V N4 26 5807 CS 06 CT 32e1ypunos 2 51015 1 11enO njg AepijoH SH 0 lt 850 Ajj Ua ay Huey OIN q9 Ino o51noj ouJAg uele nga sav SH OZ ESN 5 0 950 27 x og pod A gsn 2 I A1 S PIPON FO pod B 1 5 4 S Mud 9S Weu uong usnd 968 2 A8 2uV OJU I A1 S 1
24. pair of BAL SE main Installation Instructions While the Reference DAC does not dissipate an Unusual amount of heat it is important that it be provided with reasonable airflow to assure long trouble free operation In addition the following installation guidelines will help insure maximum sonic performance as well as reliable service 1 Operate unit in upright and horizontal position prefer ably on solid non metal shelving 2 Do stack the unit on top of a power amplifier not only could this cause overheating but hum may be introduced into the DAC from the proximity of the amplifier s power transformer Do not stack components or other objects directly on top of the Reference DAC 3 Do not place or operate your DAC on a soft or iregular surface such as a rug This will prevent proper ventilation 4 Do not operate your Reference DAC without the top and bottom covers installed These are required both for safety as well as shielding from interference except in service operations by qualified personnel Settings Menu Once the unit has been powered on and completes the initialization sequence the main menu will be displayed Navigate to the bottom of the input list using the Input knob on the front panel or the down arrow on the remote and select Settings There are four options for setup and functional aspects of the Reference DAC Network User Interface Playback and General Network Establishing a W
25. put of the DAC indicated by Mute in display window This control should be activated before switching inputs changing connections or shutting down your audio system to help protect your amplifier and speakers from unexpected signal pulses When deactivated Mute disappears from the display window allowing normal operation Function also on remote control The Reference DAC also has automatic muting help protects system components during A C power interruptions or low line voltage When sensing these conditions the preamp automatically goes into Mute and disables all outputs The Reference DAC will reset itself and begin the initial startup sequence as described under Power On Off Note that automatic muting is only designed to protect against power line interruptions or severe voltage drop It will not mute in the event of subsonic transmissions from a faulty inout source amplifier failure or soeaker malfunction SELECT Pressing the Select button engages the highlighted input on the screen or advances the Reference DAC to the next screen when using the settings menus If also is used to select folders and tracks when using an i device or media server or stations for the internet radio tuner Function also on remote control center button of navigation pad LEFT RIGHT ARROWS gt Used during menu navigation The Right arrow gt will advance the Reference DAC to the next screen or selection and the
26. re installation on page 14 Connect a USB cable from the computer to the inout labeled USB 2 0 HS on the rear panel of the Reference DAC From the main menu use the navigation buttons on the remote or the Input knob on the front panel to scroll to USB 2 0HS Input Press the center navigation button or Select on the front panel Launch the appropriate software program on your computer for music playback AES EBU RCA BNC and Toslink Inputs 1 3 Connect the appropriate cable from your source to the Reference DAC Ensure the cable is seated firmly at both connections From the main menu use the navigation buttons on the remote or the Input knob on the front panel to scroll to the appropriate Input Press the center navigation button or Select on the front panel Begin music playback from source component Internet Radio 1 From the main menu use the navigation buttons on the remote or the input knob on the front panel to scroll to the Internet Radio input Press the center navigation button or Select on the front panel Navigate through the different folders selecting the appropriate choices Once you have reached radio station options notes will appear next to the name of the station Select the station of your choice to begin playback WINDOWS PC SOFTWARE INSTALLATION INSTRUCTIONS Installation of the DAC USB Audio Device drivers is only necessary if you intend to use the USB 2 0 HS input on
27. rough the menu structure to choose the desired folder s selecting each folder of your choice Once you have reached the song level of the menu you will see notes appear next to each song title 4 Select the song of your choice The Reference DAC will begin to play music from this point assuming there are other songs following the one you have chosen the Reference DAC will continue until the final song 5 Forfurther features such as repeat and shuffle please see page 12 USB Input front Input 1 Insert USB stick or other mass storage USB device into the front slot labeled USB Mem Ensure the device is seated properly 2 From the main menu use the navigation buttons on the remote or the Input knob on the front panel to scroll to USB Input Press the center navigation button or Select on the front panel 3 Navigate through the menu structure to choose the desired folder s selecting each folder of your choice Once you have reached the song level of the menu you will see notes appear next to each song title 4 Select the song of your choice The Reference DAC will begin to play music from this point assuming there are other songs following the one you have chosen the Reference DAC will continue until the final song For further features such as repeat and shuffle please see page 12 USB 2 0HS Input 1 Install the included software on your PC Mac see additional instructions regarding softwa
28. s Ethernet Master Oscillator 22 5 mHz 20Hz for 44 1 88 2 amp 176 4kHz 24 576mMHz 20Hz for 48 96 amp 192kHz sample rates Intrinsic Jitter lt 10ps Controls Rotary volume selector 104 steps and rotary input selector Push buttons Power lt Select gt Exit Mute Power Supplies Electronically regulated low and high voltage supplies R core transformer amp 7 low noise regulators Automatic 45 sec warm up brown out mute Line regulation better than 01 Noise 101dBV RMS 20 20kHz A weighted Volume at 1 Tube Complement 4 6H30 dual triodes plus 1 6550C and 1 6H30 in power supply Crosstalk 90dB Power Requirements 105 125VAC 60Hz 210 250VAC 50 60Hz 140 watts maximum Sleep mode 6 watts maximum Dimensions 19 48 cm W x 7 17 8 cm H standard rack panel x 15 5 39 4 cm D Handles extend 1 50 3 8 cm forward of the front panel Weight 32 0 lbs 14 6 kg Net 43 2 Ibs 19 8 kg Shipping Specifications subject to change without notice 2012 Audio Research Corporation This unit is ROHS compliant audio research 3800 Annapolis Lane North Plymouth MN 55447 763 577 9700 www audioresearch com 22
29. search Note that tube numbers V1 V2 etc match printed numbers next to tube sockets on circuit board Should service be necessary please contact your Audio Research dealer or Audio Research Customer Service at 763 577 9700 Cleaning To maintain the new appearance of this unit occasionally wipe the front panel and top cover with a soft damp not wet cloth to remove dust A mild non alkaline soap solution may be used to remove fingerprints or similar smudges Cleaners containing abrasives should not be used as they will damage the anodized finish of the front panel A small soft paintbrush is effective in removing dust from bevels the recessed nameplate and other features of the front panel Disposal and Recycling Guidelines To dispose of this electronic product do not place in landfill In accordance with the European Union Waste Electrical and Electronic Equipment WEEE directive effective August 2005 this product may contain regulated materials which upon disposal require special reuse and recycling processing Please contact your dealer or importing distributor for instructions on proper disposal of this product in your country Or contact Audio Research Corporation 763 5 7 9700 for the name of your importing distributor and how to contact them Packing and shipping materials may be disposed of in a normal manner Limited Warranty Audio Research Corporation products are covered by 3 Year Limited
30. sis GETTING THE MOST OUT OF YOUR REFERENCE DAC The Reference DAC has many new features that can be enhanced when used with some of the top MUSIC MANAGEMENT software packages and computer to S PDIF conversion hardware Please take a moment to read through this section and see if you re getting the most out of your Reference DAC setup S PDIF USB 2 0 HS and MUSIC MANAGEMENT The REFERENCE DAC was designed to provide your high end audio system with bit perfect 24 bit audio at sample rates not possible from a CD or SACD player Red Book CD s are recorded at 16 bits 44 1kHz sample rates your REFERENCE DAC is capable of playing back digital music recorded at 24bits and sample rates up to 192kHz With your Reference DAC you can Take the S PDIF output from your current CD or DVD player and enjoy the sonic benefits of the Quad DAC architecture low jitter dual master oscillators and high bandwidth direct coupled differential amplifiers while playing your favorite CD s It is also possible to take the S PDIF output from many of the multiroom home audio systems that are on the market AppleTV Sonos and many others provide wired wireless multiroom music management systems that have S PDIF outputs that work well with the REFERENCE DAC If you want to play back S PDIF music at a higher resolution and sample rate you can assemble a HD music server computer system Your Audio Dealer or the HRx web site at www referencerecordings com HRxSET
31. ture mode Asset UPnP compatible SSID Site Survey Internet Services Windows Media Player WMP 11 Vista 8 WPA vTuner and WMP 12 Windows 7 compatible WPS Philips Media Manager 3 3 compatible Intel Media Server compatible IP Mediatomb compatible DHCP Simple Centre compatible Auto IP Control point SongBook Static IP Address Control point Cidero Proxy Support Control point PlugPlayer Web server TFTP server LLTD Network API 21 Specifications Frequency Response Analog tube amplifier 0 3dB 0 5Hz to 200kHz at rated output 0 15 8 20Hz 20kHz Balanced 200k ohms load Digital Bandwidth Anti aliasing filter Sample rate 44 1kKHz 22kHz 48kHz 24kHz 88 2kHz 44kHz 96kHz 48kHz 176 4kHz 88 2kHz 192kHz 96kHz Distortion THD N Less than 006 at 2V RMS BAL output Signal Noise Ratio 10608 Dynamic Range AES17 106dB IMD SMPTE 00776 Gain Max Digital Gain 25dB Balanced 1788 SE Input Impedance Digital 75 ohms BNC RCA 110 ohms AES EBU OPT 660nm TOSLink fiber 44 1 to 96kHz Output Impedance 600 ohms Balanced 300 ohms SE Main 2 20K ohms minimum load and 2000pF maximum capacitance Output Polarity Non inverting Rated Outputs 2V RMS 5Hz to 100 2 into 200K ohm balanced load max imum balanced output 0 input level is 17V RMS at less than 0 05 THD N at 1kHz 192kHz sample rate Digital Sample Rates 44 1kHz to 192kHz SPDIF USB 2 0 HS and Wired Ether net 96kHz max over Wireles
32. ubject to If you accept the terms of the agreement dick the check box below You must accept the agreement to install DAC USB Driver v1 33 12 Click Next to continue v I accept the terms of the License Agreement a The installer will automatically place the HD Audio Device Drivers in your Program files Press the INSTALL button to continue 2 x gt Setup Choose Install Location Choose the folder in which to install DAC USB Driver v1 33 12 Setup will install DAC USB Driver v1 33 12 in the following folder To install in a different folder click Browse and select another folder Click Install to start the installation Space required 1 8MB Space available 153 4GB In several spots the computer may prompt you to Install Continue or Don t Install the HD Audio Drivers Select allow continue or Install this driver software anyway each time you are prompted You wil be informed when the installation has completed successfully press NEXT to continue zu x Setup E Installation Complete Setup was completed successfully C Program Files AudioResearch dacusb_ Driver dacusbsvc exe install Execute C Program FilesAudioResearchdacusb Driver dacusbsvc exe start Execute C Program Files AudioResearch dacusb_Driver dacusbepl exe hide Back Tangel At the end of the installation the install program will ask you to disconnect and reconnect yo
33. unctional and Software information Reset Settings Reset your Reference DAC to the original factory settings Software Update Check for any software updates for your Reference DAC internet connection required Info Displays current version of software loaded on the Reference DAC Legal Website to view all legal documents related to the various licenses utilized by the Reference DAC Operating Procedure Start Up 1 Secure all rear panel connections between Reference DAC preamplifier or power ampilifier s and input sources 2 Plug three prong power cord from rear of chassis into grounded A C wall outlet The Power switch defaults to off when the unit is plugged into a power receptacle 3 Press power switch either remote or front panel The display will remain black for approximately 8 seconds after which the Reference DAC splash screen will appear Once the splash screen is gone the main menu page 15 displayed and a countdown timer will show the seconds until the Unit is ready for operation After countdown the Unit will be in Mute 4 Select input source unmute and select volume level NOTE The Reference DAC is equipped with a variable output and volume control If you are using this unit in conjunction with a preamplifier please set the volume to a static location and use the volume control on the preamplifier A volume setting of 66 is equivalent to Line Out on most components Shut Down Activ
34. ur Reference DAC to the computer via the USB port and turn if on On Vista and Windows 7 Windows will detect the new Reference DAC hardware and load on the new drivers automatically on XP Windows will pop up with a NEW HARDWARE FOUND panel follow the Windows prompt instructions and your new Reference DAC audio device drivers will install The install prompts will occur twice before the install is complete Now you can press FINISH and the installation will be complete Normally restarting your PC at this point is not required but If you do not see the Reference DAC OUT 1 2 listed in the SOUND panel after installation you should do a restart of your PC see page 14 for details 15 21 Setup Completing the DAC USB Driver v1 33 12 Setup Wizard Please disconnect and reconnect the devices you want to install and tum them on MAC SOFTWARE INSTALLATION INSTRUCTIONS Installation of the DAC USB Audio Device drivers is only necessary if you intend to use the USB 2 0 HS input on your Reference DAC Software installation is not necessary if you only intend to use the S PDIF AES EBU Ethernet client iPod or USB Mem inputs Place the installation disk you received with the Reference DAC into your Mac computer and open the install file on your desktop Click on the DAC INSTALL CD folder and then select the folder for the appropriate operating system for your computer Open the appropriate dmg file and then open
35. vice driver in the list of playback devices Select the DAC driver and press the SET DEFAULT button near the bottom of the panel then double click the DAC picture in the panel and go to the next figure If you do not see the DAC OUT 1 2 listed in the sound panel after installation first make sure your Reference DAC is connected to your PC via a high quality USB cable and plugged into an appropriate AC outlet If that has been done and you still do not see the DAC listed in the SOUND panel you should do a restart of the PC Once you have double clicked the DAC driver and pressed the ADVANCED button you will see the Exclusive Mode properties If the Allow application to take exclusive control of the device is selected then the DAC Control Panel will select the sample rate DAC Out 1 2 Properties General Levels Enhancements Advanced Default Format Select the sample rate and bit depth to be used when running in shared mode be Test 24 bit 176400 Hz Exclusive Mode Allow applications to take exclusive control of this device M Give exclusive mode applications priority Restore 55 Otherwise for NATIVE MODE uncheck the Allow application to take exclusive control of this device press APPLY then close the window Now whatever sample rate your music was stored at will be sent to the Reference DAC If this step does not allow your music management software to tak
36. your Reference DAC Software installation is not necessary if you only intend to use the S PDIF AES EBU Ethernet client iPod or USB Mem inputs xi Search dacusb v1 33 12 s dacusb_v1 33 12_ setup QU DAC INSTALL CD Vi 33 82 00 15 WindowsPC dacusb_v1 33 12 setup Organize Burn to disc Jr Favorites Files Currently on the Disc 23 7 Recently Changed dacusb dacusb 5 dacusb sys Security Catalog za Setup Information System file Publ Q id 9 428 GS 7 046 M 319KB Desktop m Downloads dacusb x64 dacusb x64 dacusb_x64 sys 4 Security Catalog Setup Information 2 System 21 Recent Places F g 47KB 7 10 KB L 356 2 certificates dacusbap ihx 7 dacusbasio dll 5 dacusbasio_x64 dll IHX File 1 33 12 0 1 33 12 0 3 Libraries 26 2 USBPAL ASIO DLL USBPAL ASIO DLL dacusbcf bin dacusbcpl dacusbks a Homegroup BIN File DAC Control Panel Security Catalog A 70 9 KB AUDIO RESEARCH CORP 8 14 KB Computer dacusbks dacusbks sys Xd dacusbks x64 amp 50004710 01 C d M Setup Information lt System file c4 Security Catalog DVD RW Drive D 557 See k DAC INSTALL CD V1 dacusbks x64 dacusbks_x64 sys dacusbl2 ihx Setup Information System file IHX File C3 5 82 49 8KB 17 9 Network 2 j dacusbsvc LICENSE setup r Z D
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