PRE60 userguide
Contents
1. User Guide PRIMARE COPYRIGHT AND ACKNOWLEDGMENTS Copyright 2014 Primare AB All rights reserved Primare AB Limstensgatan 7 21616 Limhamn Sweden http www primare net Issue PRE60 1 The information in this guide is believed to be correct as of the date of publication However our policy is one of continuous development and so the information is subject to change without notice and does not represent a commitment on the part of Primare AB Primare is a trademark of Primare AB This guide was produced by Human Computer Interface Ltd http www interface co uk PRE60 Audiophile Preamplifier DAC Streamer User Guide WELCOME GETTING STARTED 1 Unpack the PRE60 2 Connect to a power amplifier 3 Connect sources 4 Connect power BACK PANEL CONNECTIONS USING THE REMOTE CONTROL Fitting the batteries CONNECTING SOURCES Connecting analogue sources Connecting digital sources Connecting an iPod iPhone or iPad Connecting a USB drive Connecting to a computer Connecting to the Internet USING THE PRE60 Front panel controls Using the Primare App Selecting a source Changing the volume Changing the display brightness Changing the balance PRE60 Audiophile Preamplifier DAC Streamer User Guide gt gt gt oO oO oO oO oO oO oO oO OI N sO sO CO OO CO CONFIGURING THE SETTINGS Using the settings menus Input settings Audio settings General settings2. CONFIGURING NETWORK SETTINGS Ethernet settings WLAN settings Firmware settings TECHNICAL SPECIFICATION Analogue inputs Analogue outputs Digital inputs outputs Performance Genera App ADDITIONAL INFORMATION Best sound Burn in RS232 Trigger input output INDEX Oi Oi CO CO f CO CO O Oo OW O OC Dear Music Enthusiast Congratulations on selecting your new PRIMARE product and thank you for choosing the PRIMARE 60 series Reference Class This user guide explains how the unit for the best soun al erate the unit to enjoy the from all your sources PRE60 Audiophile Preamplifier DAC Streamer User Guide 1 UNPACK THE PRE60 Your PRE6O is supplied with the following components Mains cable Trigger cable C24 remote control Two batteries for the remote control One pair of white gloves Please use the gloves when handling the unit to avoid leaving fingerprints If any of these items are missing please contact your supplier We recommend you retain the packaging in case you need to transport the unit at a later date 2 CONNECT TO A POWER AMPLIFIER The PRE6O is designed to be connected to a power amplifier with either balanced or unbalanced inputs If the power amplifier provides balanced inputs such as the Primare A60 Connect the PRE1 or PRE2 L and R outputs from the PRE to the L and R balanced inputs in the power amplifier using high quality
3. 12 RS232 input 6 16 S Scanning for WLAN networks 13 Settings menus using 11 PRE60 Audiophile Preamplifier DAC Streamer User Guide Sources Enabling disabling 11 Renaming 11 12 Selecting 10 Setting level 11 Switching on 5 T Technical specification 15 Trigger input output 6 16 U nbalanced inputs 6 8 nbalanced outputs 5 pdating firmware 14 SB A connector 6 8 SB B connector 6 9 U U U UPnP device connecting 8 U U U SB drive connecting 9 V Volume Changing 10 Setting default 12 Setting maximum 12 W Wi Fi antenna 6 Windows PC connecting 9 WLAN settings 13 17 PRIMARE PRIMARE AB LIMSTENSGATAN 7 SE 21 616 LIMHAMN SWEDEN PRIMARE NET
4. Ensure that the live pin of the AC power cable is connected to the left hand pin of the power connector viewed from the back panel Live BURN IN Your Primare will sound best after an initial burn in of approximately 48 hours You will notice a further smaller improvement in sound quality for at least another 3 days playing RS232 The RS232 input allows you to connect the PRE60 to a controller system For more information please contact Primare or visit www primare net The Trigger output allows the PRE60 to switch on other devices such as a Primare source 16 TRIGGER INPUT OUTPUT The trigger input and output allow you to link your Primare products together using the trigger cable supplied with each product so they switch on or to standby in sync with the PRE60 To To To link the PRE60 to a Primare source Connect the trigger cable from the PRE60 TRIG OUT to he source TRIG IN f necessary configure the source to TRIG ON link the Primare source to the A60 Connect the trigger cable from the source TRIG OUT to he A60 TRIG IN link two A60 amplifiers for bi amping Connect the trigger cable from the first A60 TRIG OUT o the second A60 TRIG IN PRE60 Audiophile Preamplifier DAC Streamer User Guide PRE60 Audiophile Preamplifier DAC Streamer User Guide Safety compliance This product has been designed to meet the IEC 60065 international electrical safety standard CAUTION
5. RISK OF ELECTRIC SHOCK DO NOT OPEN ATTENTION RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR The lightning flash with an arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of uninsulated dangerous voltage within the product s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance servicing instructions in the literature accompanying the product CAUTION To reduce the risk of electrical shock do not remove cover back No user serviceable parts inside Refer servicing to qualified service personnel WARNING To reduce the risk of fire or electrical shock do not expose this apparatus to rain or moisture CAUTION In Canada and the USA to prevent electric shock match the wide blade of the plug to the wide slot in the socket and insert the plug fully into the socket This product is designed and manufactured to meet strict quality and safety standards However you should be aware of the following installation and operation precautions 1 Take heed of warnings amp instructions You should read all the safety and operating instructions before operating this appliance Retain this handbook for future reference and adhere to all warnings in the handbook or on the appliance 2 Water and moisture
6. XLR cables If the power amplifier only provides unbalanced inputs Connect the PRE3 or PRE4 L and R outputs from the PRE 0 to the L and R inputs on the power amplifier using high quality RCA cables 3 CONNECT SOURCES Connect your analogue and digital sources for more information see Connecting sources page 3 PRE60 Audiophile Preamplifier DAC Streamer User Guide 4 CONNECT POWER Plug one end of the mains cable supplied with the PRE6O into the power connector on the back panel and connect the other end to a wall socket If this cable is not suitable for your power outlets please contact your supplier for an alternative cable See Best sound page 3 for information about getting the best sound from your PRE60 WARNING Always disconnect the PRE60 from the mains power before connecting or disconnecting any cables Switch on the PRE60 using the switch on the back panel The standby indicator will light up on the front panel To switch on from standby Press on the front panel or remote control The display shows PRIMARE followed by the currently selected source and volume setting Press again to switch to standby The following diagram explains the function of each of the connectors on the back panel Digital inputs Infra Red Digital 7 eS USB to USB Wi fi in out out Optical 1 3 Coax4 drive antenna v RIEGO PRE AMPLIFIER PRIMARE DENIGNED IN SWEDEN Nas DIGI
7. TAL IN USB B USB A WLAN ANALOG IN IN 2 L IN3 IN Trigger RS232 XLR XLR 2 CAUTION 1 9 9 n RCA 3 6 Analogue outputs Ethernet connector RCA 3 RCA 4 A Noy VOLTAGE IN ce x SELECTOR _ ANALOG OUT R PRED L R PREA LAN CAUTION TO REDUCE THE RISK f FRE REPLACE WITH ANALOG OUT me ano 5E SATTE NTION tus IN6 REC Record XLR XLR 2 Power in out Y Analogue inputs lt Analogue outputs PRE60 Audiophile Preamplifier DAC Streamer User Guide FITTING THE BATTERIES Before using the remote control you need to insert the Press briefly to MUTE l Switch on off two button cells supplied with the C24 mute the sound Open the cover on the back of the remote control by pressing the tab gently 1 2 3 ig Select an input 4 5 6 4m 7 _8 9 CLEAR 0 10 uH lt r c Insert the two batteries positive side uppermost PROC AMP Select next input or move up on settings menu T Move balance left an 1 4 SELECT p I Move balance right Edit item on settings menu Select previous input or MEDIA PRE move down on settings menu Select PRE60 mod Replace the cover and push until it clips into place E De Note Replace only with 3V button cells type Increase the volume VOL RETURN NEXT CR2025 or equivalent Decrease the volume voL MENU PREV Press briefly to mute the sound When disposing o
8. The presence of electricity near water can be dangerous Do not use the appliance near water for example next to a bathtub washbowl kitchen sink in a wet basement or near a swimming pool etc 18 3 Object or liquid entry Take care that objects do not fall and liquids are not spilled into the enclosure through any openings Liquid filled objects such as vases should not be placed on the equipment 4 Ventilation Do not place the equipment on a bed sofa rug or similar Soft surface or in an enclosed bookcase or cabinet since ventilation may be impeded We recommend a minimum distance of 50mm around the sides and top of the appliance to provide adequate ventilation 5 Heat Locate the appliance away from naked flames or heat producing equipment such as radiators stoves or other appliances including other amplifiers that produce heat 6 Climate The appliance has been designed for use in moderate climates 7 Racks and stands Only use a rack or stand that is recommended for use with audio equipment If the equipment is on a portable rack it should be moved with great care to avoid overturning the combination 8 Cleaning Unplug the unit from the mains supply before cleaning The case should normally only require a wipe with a soft damp lint free cloth Do not use paint thinners or other chemical solvents for cleaning We do not advise the use of furniture cleaning sprays or polishes as they can cause indelibl
9. an connect the PRE60 to a Windows PC or Macintosh USB input to allow you to use the PRE60 as a digital audio output device PC Windows XP SP2 or later is required You need to install the Primare XMOS audio driver available on primare net Macintosh OSX 10 4 or later is recommended No driver is required Connect the computer s USB port to the USB B connector on the PRE60 using a USB A to USB B cable The PRE6O will then appear as a sound output device called XMOS USB Audio 2 0 in the Sound control panel or Sound system preferences panel Macintosh Turn the SELECTOR until the PC source is selected Note For best results set the computer volume control to its maximum value and use the PRE60 volume control to adjust the playback volume PRE60 Audiophile Preamplifier DAC Streamer User Guide CONNECTING TO THE INTERNET You can connect the PRE60 to the Internet via either Wi Fi or a standard Ethernet cable to allow you to stream audio to the PRE60 or listen to Internet radio stations See Configuring network settings page 3 for information about configuring the WLAN or Ethernet network settings FRONT PANEL CONTROLS Volume Changes the volume Standby Switches the PRE60 to standby or switches it on from standby Menu E Press and hold to display the settings menu Select A In the settings menus Edits a setting Cancel 4 In the settings menus Cancels editing a setting or saves an alia
10. ation and blank The display auto dims after a few seconds and returns to the selected brightness when you operate any control CHANGING THE BALANCE You can change the balance of the sound between the left and right channels to shift the position of the stereo image To change the balance Press the ST BAL button on the remote control The front panel display shows the current balance setting where OOLR 9 corresponds to the leftmost position OOLROO corresponds to centre and 9LROO corresponds to the rightmost position Rotate the VOLUME control on the front panel or press the or gt buttons on the remote control The current balance setting is shown on the front panel for example 7LROO PRE60 Audiophile Preamplifier DAC Streamer User Guide USING THE SETTINGS MENUS To display the settings menus Hold down the El button on the front panel or press and hold the MENU button on the remote control The main menu is displayed Device settings vol 22 Input settings This provides access to the following settings menus Menu Description Input settings Allows you to configure the inputs Audio settings Allows you to set the balance and volume settings General settings Hardware settings Network settings Allows you to set up the WLAN or Ethernet network Firmware settings Allows you to update the firmware For more information about each of these menus see the following sections To st
11. e white marks if the unit is subsequently wiped with a damp cloth 9 Power sources This appliance must be connected to a mains socket outlet using the supplied power cord To disconnect this apparatus from power you must disconnect the power cord Make sure the power cord is always easily accessible Only connect the appliance to a power supply of the type described in the operating instructions or as marked on the appliance This is a Class 1 device and must be earthed The power switch is a single pole switch When the switch is in the Off position the appliance is not completely disconnected from the main power 10 Power cord protection Power supply cords should be routed so that they are not likely to be walked on or pinched by items placed upon or against them paying particular attention to cords and plugs and the point where they exit from the appliance 11 Grounding Ensure that the grounding means of the appliance is not defeated 12 Power lines Locate any outdoor antenna aerial away from power lines 13 Non use periods f the unit has a stand by function a small amount of current will continue to flow into the equipment in this mode Unplug the power cord of the appliance from the outlet if left unused for a long period of time 14 Abnormal smell If an abnormal smell or smoke is detected from the appliance turn the power off immediately and unplug the unit from the wall outlet Contact your deal
12. editor is displayed 13 Turn the SELECTOR control on the front panel or the 4 buttons on the remote control to highlight the first letter Press the button on the front panel or the SELECT button on the remote control to select it Repeat for the remaining letters Press the 8 button on the front panel twice to return to the Network settings menu Select Apply settings Select Ok to the prompt Will reset module The menu should show Connected Wireless Network settings Etl gs Wlan settings Name Connected Wireless 14 FIRMWARE SETTINGS The Firmware settings menu allows you to install updated firmware in the PRE6O When you switch the PRE60 on from standby it will automatically check for new firmware and show a message In the Primare App if it is available To update the firmware Turn the SELECTOR control on the front panel or press the A or V buttons on the remote control until the Firmware settings item is highlighted on the main menu Device settings m settin settings Firmware Press the 4 button on the front panel or the SELECT button on the remote control The PRE60 will then scan for firmware on the network If the firmware on your PRE60 is up to date the menu will show Version is up to date For more information about updating the firmware see the Primare Web site PRE60 Audiophile Preamplifier DAC Streamer User Guide ANALOGUE INPUTS Balanced inp
13. ep between settings on a menu Turn the SELECTOR control on the front panel or press the A or V buttons on the remote control The current setting is shown highlighted Audio settings vol 22 00 LR 00 Volume default 20 Balance Volume max To change a setting Press the 4 button on the front panel or the SELECT button on the remote control The current value is shown highlighted Audio settings vol 22 OO LR 00 Turn the SELECTOR control on the front panel or press the Aor W buttons on the remote control to change the value of the setting As you change it the new value is shown in the menu Audio settings vol 22 00 LR 00 Press the 4 button on the front panel or the SELECT button on the remote control to save the value you have set To exit from the settings menus Hold down the El button on the front panel or press the MENU button on the remote control PRE60 Audiophile Preamplifier DAC Streamer User Guide INPUT SETTINGS The Input settings menu allows you to customise the inputs to suit the sources in your system To select a source Set the Input setting to the number of the input you want to customise Input settings The following items then allow you to customise the settings for that source Status can be changed to Disabled to remove the source from the sources you can select Alias allows you to give a name of up to six letters or digits to each source see below S
14. er immediately 15 Servicing You should not attempt to service the appliance beyond that described in this handbook All other servicing should be referred to qualified service personnel 16 Damage requiring service The appliance should be serviced by qualified service personnel when A the power supply cord or the plug has been damaged or B objects have fallen or liquid has spilled into the appliance or the appliance has been exposed to rain or the appliance does not appear to operate normally or exhibits a marked change in performance or E the appliance has been dropped or the enclosure damaged Uc PRE60 Audiophile Preamplifier DAC Streamer User Guide A Analogue inputs 6 Analogue outputs 6 Applying network settings 13 B Back panel 6 Balance Changing 10 Setting default 12 Balanced inputs 6 8 Balanced outputs 5 6 Burn in 16 C Coax input 6 8 D DHCP using 13 Digital inputs 6 Display brightness changing 10 E Ethernet setting up manually 13 Ethernet connector 6 Ethernet settings 13 F Factory defaults 12 Firmware settings 14 Front panel controls 10 Full volume output 11 G General settings 12 Gloves 5 Input settings 11 Internet connecting 9 iPod iPhone or iPad connecting 8 IRin out 6 12 M Macintosh connecting 9 N Network name 13 Network settings 13 0 Optical inputs 6 8 P Phase 16 R Remote control 7 Resetting factory defaults
15. f old batteries please be considerate to Press and hold to display the settings menu the environment m 44 gt gt lE Control the CD player SETUP DISP REP POP AUDIO ANG RES ST BAL Change the balance HOME ZOOM GOTO DIM Change the display brightness PRE60 Audiophile Preamplifier DAC Streamer User Guide CONNECTING ANALOGUE SOURCES You can connect up to two balanced sources and up to four unbalanced sources to the analogue inputs on the back panel The analogue sources can be renamed or disabled and you can set the relative level of each source see Input settings page 3 Balanced inputs Connect the balanced inputs IN1 and IN2 to balanced sources such as a Primare CD32 CD player using high quality XLR cables Unbalanced inputs Connect the unbalanced inputs IN3 IN4 IN5 IN6 to unbalanced sources using high quality RCA cables CONNECTING DIGITAL SOURCES You can connect up to three digital optical inputs and one digital coax input to the PRE60 to allow you to play digital sources through your PRE32 132 The digital sources can be renamed or disabled and you can set the relative level of each source see Input settings page 3 Digital optical inputs Connect the optical inputs 1 to 3 to digital sources with optical outputs using TOSlink optical cables Turn the SELECTOR until the appropriate source is selected for example DIGI Digital coax input Connect the digi
16. ngs menu to connect the PRE60 to an Ethernet network To display the Network settings menu Hold down the El button on the front panel or press and hold the MENU button on the remote control The main menus are displayed Turn the SELECTOR control on the front panel or press the W buttons on the remote control until the Firmware settings item is highlighted on the main menu Device settings vol 22 In Network Press the button on the front panel or the SELECT button on the remote control The Network settings menu provides the following submenus Menu Ethernet settings Description Allows you to configure the settings for a wired connection Allows you to configure the settings for a wireless connection Allows you to give a name to the PRE60 on the network Applies the settings you ve configured in the other menus Wlan settings Name Apply settings Below the menu items the menu shows the current network status for example Network settings Ethernet settings Network disconnected ETHERNET SETTINGS To connect the PRE60 to an Ethernet network you need to configure the settings on the Ethernet settings menu Ethernet settings vol22 DHCP ena bled To use DHCP If your network supports DHCP this is the recommended way of connecting to Ethernet as the other settings are configured automatically for you Ethernet settings vol22 Change DHCP to Enabled Select Ap
17. ource offset allows you to adjust the relative volume of the source between 10 and 10 Input 6 Input 6 can be configured to provide high quality amplification of the main channels of a surround sound processor with volume control provided by the processor Note This will give full volume output Configure the Input option on the Input settings menu to SSP Input settings vol 22 11 To give an alias to a source Highlight the Alias item then press the button on the front panel or press the SELECT button on the remote control The alias editor is displayed Input settings vol 22 56789ABCDEF Turn the SELECTOR control on the front panel or the lt or P buttons on the remote control to select the first letter Press the 4 button on the front panel or the SELECT button on the remote control to select it Repeat for the remaining letters Press the 8 button on the front panel The source will be displayed with your alias Input settings vol 22 12 AUDIO SETTINGS The Audio settings menu allows you to customise the start up volume and balance set when you turn the PRE60 on from standby and the maximum volume To set the start up balance Set the Balance setting to the balance you want to use Audio settings vol 22 00 LR 00 Balance ault To set the start up volume Set the Volume default setting to the volume you want to use Audio settings vol 22 To set
18. ply settings Select Ok to the prompt Will reset module The menu should show Connected Wired To set up Ethernet manually This option is only recommended for experienced users Configure the DHCP option on the Ethernet settings menu to disabled The following table explains the remaining options Item Description P The IP address assigned to the PRE6O P Mask The IP mask Gateway The gateway or router IP address Proxy Set to Enabled to use a proxy server Proxy serverThe IP address of a proxy server Proxy port The port to use for the proxy DNS1 The address of the DNS servers DNS2 The address of an optional second DNS Server PRE60 Audiophile Preamplifier DAC Streamer User Guide WLAN SETTINGS If you have a WLAN Wi Fi network the simplest way to connect the PRE60 to the Internet is via WLAN Wlan settings To scan for WLAN networks Highlight Scan on the Wlan settings menu Press the button on the front panel or the SELECT button on the remote control The menu shows a list of accessible WLAN networks Network scan Highlight the network you want to use Press the button on the front panel or the SELECT button on the remote control The network name will be displayed in the SSID option To enter the network password Highlight Passphrase on the Wlan settings menu Press the button on the front panel or the SELECT button on the remote control The passphrase
19. s Selector Selects an input In the settings menus Selects a setting USING THE PRIMARE APP Many features of the PRE60 also be operated remotely using the Primare App which is available for free download for iOS or Android devices These include Input selection including renaming Volume control Software updates IR and Trig activation Connecting to a Wi Fi network Default volume 10 SELECTING A SOURCE The PRE6O provides a choice of 12 inputs Initially these are labelled IN1 to 13 MEDIA DIG1 to DIG4 and PC but you can give them your own aliases to suit the sources in your system see 7o give an alias to a source page 12 To select a source Turn the SELECTOR until the source is indicated on the front panel display for example IN2 Alternatively press the A or W buttons on the remote control to step between sources or press one of the buttons 1 to 6 on the remote control to select the corresponding source directly CHANGING THE VOLUME The PRE60 allows you to vary the volume from 0 silence to 79 maximum To change the volume Rotate the VOLUME control on the front panel or press the VOL or VOL buttons or the Cor buttons on the remote control The current volume setting is shown on the front panel for example CHANGING THE DISPLAY BRIGHTNESS To change the front panel display brightness Press the DIM button on the remote control to step through the three levels of illumin
20. tal coax input 4 to a digital source with a coax output using a digital coax cable Turn the SELECTOR until the coax source is selected DIG4 CONNECTING AN IPOD IPHONE OR IPAD You can connect an iPod iPhone iPad or other UPnP device to the PRE60 to allow you to play music from the device through the PRE60 Turn the SELECTOR until the Media source is selected Connect the iPod iPhone iPad or other UPnP device to the USB A connector using the cable supplied with the device The PRE6O display will show MEDIA iPod You can now browse the music on your device and control playback using the Primare App for more information see the Primare App User Guide available separately It is also possible to play the music from your iPod iPhone or iPad over Wi Fi using the Primare App Note You need another iPhone iPod or iPad to browse the music on the USB A connected iPhone iPod or iPad PRE60 Audiophile Preamplifier DAC Streamer User Guide CONNECTING A USB DRIVE You can connect a USB drive to the PRE O to allow you to play files from the drive through the PRE60 Turn the SELECTOR until the Media source is selected Connect the USB drive to the USB A connector The PRE60 display will show MEDIA USB You can now browse the music on your device and control playback using the Primare App for more information see the Primare App User Guide available separately CONNECTING TO A COMPUTER You c
21. the maximum volume Set the Volume max setting to the highest volume you want to allow Volu Volume max GENERAL SETTINGS The General settings menu allows you to change the IR input and reset the PRE60 to the factory default settings To set the IR input Set the IR input to Front to control the PRE60 using a remote control pointed at the front panel or Back to control it via the IR input on the back panel General settings Media Auto Alias After setting itto Back you can reset it to Front by operating the settings menu from the front panel controls To reset to the factory default settings Warning This will reset any source settings and aliases you have defined Highlight the Factory DF item and press the 4 button on the front panel the SELECT button on the remote control to select it You will be prompted General settings vol 22 Confirm factory DF Yes No Turn the SELECTOR control on the front panel or press the W button on the remote control to highlight Yes Press the button on the front panel or the SELECT button on the remote control to proceed and reset the PRE6O Alternatively if you choose not to reset highlight No and press the button on the front panel or the SELECT button on the remote control to select it PRE60 Audiophile Preamplifier DAC Streamer User Guide The Network settings menu allows you to configure the options on the Ethernet settings or WLAN setti
22. uts 2 pair XLR 15kQ impedance Unbalanced inputs 4 pair RCA 15kQ impedance ANALOGUE OUTPUTS Balanced preamplifier output 2 pair XLR 110Q impedance Unbalanced preamplifier output 2 pair RCA 110Q impedance Record output 1 pair RCA 110Q impedance DIGITAL INPUTS OUTPUTS Digital inputs 1 x Coax input at 192kHz 3 x Toslink inputs at 192kHz 1 x asynchronous USB B input allowing playback of 192kHz audio from a computer 1 x asynchronous USB A input allowing the device to play audio from USB iPhone Digital output 1 x Coax output transmitting at 192 kHz Always connected to the active input source PERFORMANCE Gain 16dB Frequency response 20Hz 100kHz 3dB THD 0 00396 20Hz 100kHz OdB gain Signal to noise ratio 115 dBV Maximum in out level 10V RMS GENERAL Control 12V trigger input and output 1 x RS232 IR input and output RF Power consumption Standby 0 5W Operating max 38W Size 430 x 385 x 142mm WxDxH APP Some features like playing media from USB thumb drive USB connected iPhone iPod Touch or iPad and playing vTuner require the use of the Primare App PRE60 Audiophile Preamplifier DAC Streamer User Guide 15 These instructions help you get the best possible sound from your PRE60 and give information about using it with the A60 and your Primare sources BEST SOUND The phase of the AC supply can make a significant difference to the sound
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