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ESI Dr. 

DAC 

prime

 

 

12

 

- standby/power on switch 
  - standby (red)  
  - power on (blue)  

 

- S/PDIF & USB input bypass / 192kHz upsampling: 2 position toggle switch  

 

- multi-colored LED display 
  - MUTE (red)  
  - NO SIGNAL (orange) 
  - NON-PCM (pure green) 
  - PCM (pure green) 
  - 192kHz upsampling (pure blue)  

 

- DC 9V~24V wide range power input 

 

- 12V / 1.5A DC adapter included

 

5. General Information 

5.1 Trademarks 

ESI, Dr. DAC, and Dr. DAC prime are trademarks of ESI Audiotechnik GmbH. Windows is a 
trademark of Microsoft Corporation. Other product and brand names are trademarks or registered 
trademarks of their respective companies. 

5.2 The FCC and CE Regulation Warning 

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two 
conditions : (1) this device may not cause harmful interference, and (2) this device must accept any 
interference received, including interference that may cause undesired operation. Caution: Any 
changes or modifications in construction of this device with are not expressly approved by the party 
responsible for compliance, could void the user's authority to operate equipment.  

Note: This equipment has been tested and found to comply with the limits for a Class A digital 
device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable 
protection against harmful interference when the equipment is operated in a commercial 
environment. This equipment generates, uses, and can radiate radio frequency energy and, if not 
installed and used in accordance with the instruction manual, may cause harmful interference to 
radio communications. Operation of this equipment in a residential area is likely to cause harmful 
interference in which case the user will be required to correct the interference at his own expense. If 
necessary, consult an experienced radio/television technician for additional suggestions. 

5.3 Correspondence 

For technical support inquiries, contact your nearest dealer, local distributor or ESI support online at 
www.esi-audio.com. 

5.4 Disclaimer 

All features and specifications subject to change without notice. 

Parts of this manual are continually being updated. Please check our web site www.esi-audio.com 
occasionally for the most recent update information. 

Summary of Contents for Dr. DAC prime

Page 1: ...High Quality 192kHz DAC with USB Audio Interface User s Guide ...

Page 2: ...ESI Copyright 2009 2011 Revision 3 October 2011 www esi audio com ...

Page 3: ... Driver for Windows Vista and 7 7 3 1 4 Control Panel for Windows 9 3 1 5 Audio Applications 9 3 2 Digital to Analog Converter 10 3 2 1 Fixed Output Level 10 3 2 2 Variable Output Level 10 3 2 3 Mute Function for Line Output 10 3 2 4 192kHz Upsampling 10 3 3 Headphone Amplifier 10 4 Specifications 11 5 General Information 12 5 1 Trademarks 12 5 2 The FCC and CE Regulation Warning 12 5 3 Correspond...

Page 4: ...ith 110dB as well as optical and coaxial S PDIF inputs allowing you to record your own signals with excellent audio quality Dr DAC prime works under Windows XP Windows Vista 7 as well as Mac OS X even without the installation of any driver software that s Plug Play in perfection it could not be more simple 2 Description 2 1 Front Panel The front panel provides the following connectors and function...

Page 5: ...cables To connect optical Toslink cables you will need to use one of the included Tosling miniplug adapters USB connector the USB connector allows you to connect Dr DAC prime to your computer with the supplied USB cable DC INPUT connector this connector is used to connect the included external power supply see section 2 3 with Dr DAC prime LINE OUTPUT LEVEL switch this switch allows you to fix the...

Page 6: ...for Windows XP Disconnect Dr DAC prime before you install the driver if it has been connected already Then launch setup exe from the Windows folder of the included Installation CD or from a download of a recent driver from our website You will now see a dialog as shown on the left picture below Click Next You can define the target directory for the installation now Confirm it with Next The install...

Page 7: ...ed To confirm this please check if the ESI icon is displayed in the taskbar notification area as shown below If yes the driver installation has been completed successfully 3 1 3 Driver for Windows Vista and 7 Disconnect Dr DAC prime before you install the driver if it has been connected already Then launch setup exe from the Windows folder of the included Installation CD or from a download of a re...

Page 8: ...ou will now be prompted to connect the hardware on the next dialog that is shown below on the left Plug in Dr DAC prime Do not click Next yet Instead wait a few seconds for the automatic device driver installation You can monitor this in the task notification area where Windows Vista 7 informs that the driver is installed via a bubble message box You can now finally click OK on the Information dia...

Page 9: ...he analog line input or the digital S PDIF input signal OUTPUT section this section controls the playback volume of the playback signal from your audio applications The pair of mono faders can be controlled together or individually depending on your mouse position perfect for stereo signals The Mute button at the bottom allows you to mute playback A red Mute button indicates that the mute function...

Page 10: ...AC prime i e if you have connected it to active monitoring speakers you should set the LINE OUTPUT LEVEL switch on the back panel to VAR In this case the playback volume for the line output signal is controlled by the VOLUME potentiometer on the front panel 3 2 3 Mute Function for Line Output The MUTE switch on the front panel allows you to mute the playback signal temporarily if set to ON for lin...

Page 11: ...o sample rate converter 32kHz 192kHz input support S PDIF USB input bypass 192kHz upsampling support with SRC4382 1ppm 24 576MHz TCXO for S PDIF input Tenor TE7022L USB audio controller 1ppm 12 000MHz TCXO for USB input to S PDIF I2S output 2 channel line input with RCA connectors line input line output headphone output support AKM AK5386 24bit 192kHz ADC S N ratio 110dB 1pc 8pin DIP opamp S4580P ...

Page 12: ...nsible for compliance could void the user s authority to operate equipment Note This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can ra...

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