DCS Debussy DAC User Manual Download Page 1 | Manualshive

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DCS Debussy DAC User Manual Download Page 1

dCS Debussy DAC

Stereo Digital to Analogue Converter

with asynchronous USB Interface

User Manual

Software Release 2.2x

August 2013

© Data Conversion Systems

Ltd. 2010-2013

Price UK £8.00 / Euro 12.00

All rights reserved. No part of this publication may be reproduced, stored in or introduced into a retrieval system,
or transmitted in any form, or by any means (electronic, mechanical, photocopying, recording or otherwise)
without the prior written permission of

dCS

. Any person who does any unauthorised act in relation to this

publication may be liable to criminal prosecution and civil claims for damages.

Information contained in this manual is subject to change without notice, and whilst it is checked for accuracy, no
liabilities can be accepted for errors.

1

dCS

is Data Conversion Systems Ltd. Company registered in England No. 2072115.

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Summary of Contents for Debussy DAC

Page 1: ...transmitted in any form or by any means electronic mechanical photocopying recording or otherwise without the prior written permission of dCS1 Any person who does any unauthorised act in relation to this publication may be liable to criminal prosecution and civil claims for damages Information contained in this manual is subject to change without notice and whilst it is checked for accuracy no lia...

Page 2: ...dCS Debussy DAC User Manual Software Issue 2 2x August 2013 Debussy DAC Manual v2_2x docx Page 2 English version ...

Page 3: ...cting the Analogue Outputs 13 Using a preamplifier 13 Using a power amplifier directly 13 STEP 4 Using a System Clock 14 Front Panel 15 POWER Button 15 VOL Buttons 15 MUTE Button 15 FILTER Button 15 PHASE Button 15 INPUT button 16 Word Clock Indicator 16 Remote Control Receiver 16 Input Indicators 17 Sample Rate Indicators 17 Factory Reset 17 Rear Panel 18 Analogue Outputs 18 Output Level Switch 1...

Page 4: ...udio Class 2 driver disc for Windows Power cable USB cable 2 spare fuses dCS Premium Remote Control with 2x AAA batteries Notify your dealer as soon as possible if anything is missing or damaged We suggest that you retain the original packaging for possible future use If this is not possible replacement packaging can be ordered from dCS or our distributors Details can be found on our web site at w...

Page 5: ...supply The unit s voltage setting is shown on the serial number label If this does not match your local supply voltage DO NOT attempt to use the unit Contact your dealer to have the unit reset Using the unit with the wrong mains setting for your local supply may result in serious damage to the unit and will invalidate the warranty Do not attempt to reset the voltage yourself We do not recommend th...

Page 6: ... internal screen must be connected at both ends For analogue outputs use with screened cables of the correct type for balanced outputs use screened twisted pair cables fitted with one male 3 way XLR connector and one female 3 way XLR connector for unbalanced outputs use coax cables fitted with RCA Phono plugs Connect the power cable supplied to the power inlet on the Debussy DAC rear panel plug th...

Page 7: ...le and slide the back plate off Fit 2 AA size batteries by pressing the flat end against the spring and pressing the battery into the slot so that the end makes contact with the stud Slide the back plate into place and tighten the screw Failure to fit the batteries correctly can damage your Remote Control Such damage is not covered by the warranty Please dispose of used batteries properly at a was...

Page 8: ...o the computer before use see page 11 At the time of writing we have not tested the driver with Windows 8 but we are told it works well if the driver is installed in Windows 7 Compatibility Mode To select Class 2 switch off completely not just Sleep wait 10 seconds then hold down the Input and Vol buttons and switch on Keep the 2 buttons pressed until all the front panel LEDs flash continually Rel...

Page 9: ...t usually on an RCA phono connector Figure 2 Connecting an SPDIF interface Connect your source equipment to the matching input on the DAC s rear panel using a suitable cable Press the Input button repeatedly until the AES1 AES2 SPDIF1 or SPDIF2 indicator illuminates as required If the source is active the DAC will lock to the source and the appropriate sample rate indicator will illuminate Proceed...

Page 10: ... the Dual AES interface Connect the AES1 or AES A output on your source equipment to the AES1 input on the DAC s rear panel and the AES2 or AES B output to the AES2 input using two XLR cables Ensure the cables are not swapped Press the Input button repeatedly until the AES 1 and AES 2 input indicators illuminate If the source is active the DAC will lock to the source and the appropriate sample rat...

Page 11: ...without first loading the drivers the interface will not work and the computer will display the warning message Device cannot start A word about Music Playing Software There are countless programs that can play music on WindowsTM and Apple Mac OSXTM PCs Unfortunately not all of them present the data completely unprocessed to the USB ports For example Windows Media Player re samples all data to 24 ...

Page 12: ...that of the file Some streaming programs give better results with a different set up Please refer to the dCS Guide to Computer Audio for more specific information What is DoP DoP is the abbreviation for DSD over PCM The basic idea was devised by dCS in 2011 as a convenient way to transmit DSD from a computer to a 24 192 USB DAC It involves packing the DSD data into the lower 16 bits of a 24 176 4 ...

Page 13: ... you may need to change the setting of the O P Level switch on the back panel Setting the O P Level to 6V can cause some preamplifiers to overload and distort For this reason we recommend the 2V setting if a preamplifier is used Using a power amplifier directly Hold down the DAC s Vol button for 10 seconds to set the Volume to minimum This is indicated by all 7 Sample Rate LEDs turning off for a f...

Page 14: ...SB interface is selected the performance can be improved further by adding a Paganini Clock to the system as shown in the example below Figure 5 Using the Paganini Transport Clock and Debussy DAC together Connect two of the Clock s W Clk Outputs to the W Clk Inputs of the Transport and DAC Use the Clock s Frequency button to set the outputs to 44 1kHz to suit the CD Transport The system will re lo...

Page 15: ...ning While the volume is being adjusted the Sample Rate LEDs K indicate the approximate volume setting in 10dB steps MUTE Button Use the MUTE button D to mute the analogue outputs When the unit is muted either manually or when not locked to a source the LED to the left of the button illuminates FILTER Button Use the FILTER button E to select your preferred anti image filter The two filters have ve...

Page 16: ... either from a dCS remote or a programmable remote which has been loaded with the correct command codes Aim the remote control handset towards the receiver I for best sensitivity If you wish to program your own remote the command codes are as follows Use these command codes only if you agree to be bound by this DISCLAIMER dCS cannot accept responsibility for problems of any kind that may arise fro...

Page 17: ...etected sample rate will illuminate When receiving DSD data the 176 4 and 192 indicators illuminate When the volume is adjusted the function of these indicators changes to show the volume setting in 10dB steps see the table below 5 seconds after the last volume adjustment they display the sample rate once more 32 44 1 48 88 2 96 176 4 192 60dB 32 44 1 48 88 2 96 176 4 192 50 5 59 5dB 32 44 1 48 88...

Page 18: ...nnected to a Dual AES source and AES 1 AES 2 is selected they can be used together as a Dual AES pair at 88 2 96 176 4 or 192kS s or DSD data in DoP format For Dual AES mode to work correctly the source must actually generate Dual AES data not just single AES on 2 connectors which gives a mono output Dual AES is available from dCS Upsamplers some dCS Transports and some sound cards SPDIF Digital I...

Page 19: ...operating systems or software The USB interface is designed to work with a computer or sound server Nothing useful will happen if you connect the interface directly to an MP3 player or a flash stick Please see page 8 for details on setting up the interface to Class 1 up to 96kS s without special drivers or Class 2 up to 192kS s no drivers are required for OSX 10 6 or later drivers are required for...

Page 20: ...button changes the filter setting when locked to a source The AES button selects the AES1 input The Input and Input buttons cycle through the digital inputs The Vol and Vol buttons adjust the Volume The Mute button turns the Analogue Outputs off and on The other buttons on this handset are for use with other models When the DAC is completely off not just in sleep mode press the front panel Power b...

Page 21: ... clock rate or an exact multiple 0 5x 1x 2x 4x of the clock rate Sensitive to TTL levels Frequency response set to Sharp Filter Fs 32kS s Fs 44 1 or 48kS s Fs 88 2 or 96kS s Fs 176 4 or 192kS s Fs DSD 0 1 0 5dB 10Hz to 15kHz 0 1dB 10Hz to 20kHz 0 1dB 10Hz to 20kHz 0 1dB 10Hz to 20kHz 0 1dB 10Hz to 20kHz 3dB 38kHz 3dB 67kHz 3dB 66kHz Residual noise Better than 110dB0 20Hz 20kHz unweighted Spurious ...

Page 22: ... could result in damage to the unit risk of fire or electric shock and will invalidate the warranty Referring to the diagram below remove the power cable use a small flat bladed screwdriver to pry up the tab on the fuse carrier A and pull it out Push the blown fuse out of the clip in the carrier B and dispose of it Fit a new fuse in the clip C and push the carrier back into the unit so that it cli...

Page 23: ...oduct is operated without a mains earth or ground connection the unit is returned inadequately packed dCS reserve the right to apply a service charge if a product returned for warranty repair is found to be operating correctly or if a product is returned without a returns number being issued This warranty covers parts and labour only it does not cover shipping charges or tax duty Our dealers or di...

Page 24: ...ode Click the icon in the lower right corner of the screen to open the driver control panel In the left pane click Device 0 In the right pane find the Revision ID 0x0220 indicates the software issue is 2 20 Windows XP Debussy in Class 1 mode Go to Start Control Panel System Hardware Device Manager Sound Video and Game Controllers Double click on USB Audio Device select the Details tab and choose H...

Page 25: ...ps FPGAs and DSPs This gives us the ability to update our products to add extra features update digital interface standards or make performance improvements by loading new software Occasionally a hardware upgrade may be necessary also to increase the capacity of the electronics add extra connectors or extra front panel controls Please note that not all software updates make an earth shattering cha...

Page 26: ...our national distributor dCS our dealers and distributors cannot accept responsibility for I T support issues In such cases please ask the computer or software vendor for advice Manufactured by Data Conversion Systems Ltd Unit 1 Buckingway Business Park Anderson Road Swavesey Cambridgeshire CB24 4AE UK www dcsltd co uk This user manual may be downloaded free of charge from our web site A bound cop...

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