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DCS Rossini DCS451659 V06 User Manual

Upsampling network dac
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This product incorporates the following dCS proprietary technology:
Part No: DCS451659 V06
© Data Conversion Systems Ltd. 2015 - 2023
dCS
Expanse is a registered trademark of Data Conversion Systems Ltd.
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
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.
dCS Rossini Upsampling Network DAC APEX
This manual is also for
1
dCS is Data Conversion Systems Ltd. Company registered in England No. 2072115.
dCS Rossini
Upsampling Network DAC
User Manual
Software Release 2.1x
November 2023
Ring DAC™
1
. Any person who does any unauthorised act in relation to this
F
F

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  • Page 1 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. dCS Rossini Upsampling Network DAC APEX This manual is also for dCS is Data Conversion Systems Ltd. Company registered in England No. 2072115.

  • Page 2: Loading The Windows Driver For Usb Class

    Rossini Upsampling Network DAC User Manual Software Issue 2.1x Page 2 Rossini DAC Manual V06 English version...

  • Page 3: Table Of Contents

    Rossini Upsampling Network DAC User Manual Software Issue 2.1x Contents Using the dCS Rossini DAC for the first time..................5 What’s in the box? dCS Mosaic Positioning the unit Important Safety Instructions Condensation Safety Notice Made for iPhone® and iPad®...
  • Page 4 Rossini Upsampling Network DAC User Manual Software Issue 2.1x The Menu ...............................32 Using the Menu INFORMATION Menu Unit Status Version Contact Update AUDIO SETTINGS Menu Phase Filter DSD Filter Crossfeed (dCS Expanse) Channel Swap Balance UNIT SETTINGS Menu Sync Mode...

  • Page 5: Using The Dcs Rossini Dac For The First Time

    From time to time, dCS will release updated software that you can install yourself using the dCS Mosaic Control. Please check our website occasionally to see if new Rossini software is available, or consult your dealer.

  • Page 6: Positioning The Unit

    Rossini Upsampling Network DAC User Manual Software Issue 2.1x Positioning the unit For best sound quality, the units in the Rossini range are designed to be mounted on separate shelves of a rack, although they may be stacked directly on top of each other if this is absolutely necessary.

  • Page 7: Safety Notice

    Rossini Upsampling Network DAC User Manual Software Issue 2.1x Safety Notice In the event of the unit developing a fault, please contact your dealer in the first instance. If you decide to remove safety covers for any reason, disconnect the power cable first. Note that removing covers voids the warranty.

  • Page 8: Made For Iphone® And Ipad

    Rossini Upsampling Network DAC User Manual Software Issue 2.1x Made for iPhone® and iPad® The Rossini DAC is compatible with the iPhone and iPad models illustrated below. Made for: “Made for iPod” and “Made for iPhone” mean that an electronic...

  • Page 9: Step-By-Step Guide

    Rossini Upsampling Network DAC User Manual Software Issue 2.1x Step-by-Step Guide This section guides you through setting up the unit for basic operation. Preliminaries The Menu Guide sheet details the menu structure and describes the two most common set-ups.

  • Page 10: Step 1 - Connecting The Analogue Outputs

    Rossini Upsampling Network DAC User Manual Software Issue 2.1x STEP 1 – Connecting the analogue outputs Choose one of the following two sections: Using a preamplifier • Set the preamplifier volume control to a low level. • Connect either the balanced (XLR connectors) or unbalanced (RCA phono connectors) outputs on the DAC’s rear panel to matching line level inputs on your preamplifier (probably labelled CD or...

  • Page 11: Step 2 - Dcs Mosaic Network Connection

    Analogue outputs Figure 2 – Using a Rossini DAC with a NAS • Download dCS Mosaic Control from the app store that is appropriate for your device (e.g. the App Store for iOS devices or Google Play for Android). • Connect the DAC’s Network interface to the Ethernet network.

  • Page 12: Playing Music With Airplay

    Using the Rossini DAC with Tidal, Qobuz, Deezer and Internet Radio dCS Mosaic Control should be used to play music from online streaming services such as Tidal, Qobuz, Deezer, Internet Radio etc. Please see dCS Mosaic Control Quick Reference Guide and the dCS Mosaic user guide (https://dcs.community/mosaic-user-guide) for further information.

  • Page 13: Playing Mqa Files

    SPDIF interfaces will also be rendered to the original sample rate. When performing MQA playback via the Network, the type of MQA stream is indicated in dCS Mosaic Control. MQA decoding is not possible if the original MQA data has been changed.

  • Page 14: Step 3 - Using The Dac's Pcm Inputs

    Connecting to a Dual AES Source • Check that your source equipment is capable of Dual AES operation and is set up correctly. This will probably a dCS SACD Transport, a dCS Upsampler or a sound server. Menu, ►, ►, ►, Menu, ►...

  • Page 15: Connecting To A Single Aes Or Spdif Source

    Rossini Upsampling Network DAC User Manual Software Issue 2.1x Connecting to a Single AES or SPDIF source Most digital audio source equipment (such as CD transports, DVD players) is fitted with a single wire digital output, usually on an RCA phono connector. Satellite receivers often have a Toslink optical output.

  • Page 16: Step 4 - Using The Usb1 Interface With A Computer

    10.6.3 or later or Windows PCs and notebooks running Windows 10 or later. For Class 2 USB Audio operation on Windows 7, 8 and 8.1 the dCS USB Class 2 driver needs to be installed – if you require the dCS USB Class 2 audio driver please contact dCS support at support@dcsaudio.com.

  • Page 17: Basic Setup With A Pc

    With such a proliferation of playing software, and with updates being issued daily, it is impossible for dCS to be fully up-to-date with the behaviour and performance of all programs. If you have questions or problems, we would urge you to take them up with your software vendor. What we will say is that different programs operate very differently and it is well worth finding out exactly how your particular program processes the audio.

  • Page 18: Selecting The Rossini Dac As Your Audio Output Device

    Rossini Upsampling Network DAC User Manual Software Issue 2.1x Selecting the Rossini DAC as your Audio Output device Whichever program you are using to play your music, your computer may not automatically select the Rossini DAC as the preferred playback device. Once you have connected the DAC and switched it on,...

  • Page 19: Step 5 - Using The Usb2 Input

    If you do this by accident, re-boot the DAC. Low power USB Hard Discs or USB SSDs may work with the USB2 connection but are not supported by dCS. For larger capacities, please use a NAS drive connected via a network instead.

  • Page 20: Step 6 - Clocking

    Rossini Upsampling Network DAC User Manual Software Issue 2.1x STEP 6 – Clocking So far, the system has been set up to lock to the clock generated by the source, or in Master Mode for asynchronous Network and USB interfaces. This is the simplest arrangement, but it does not give the very best sonic performance due to clock jitter.

  • Page 21: Using The Rossini Dac In Master Mode With A Transport

    Rossini Upsampling Network DAC User Manual Software Issue 2.1x Using the Rossini DAC in Master Mode with a Transport If your source equipment has a word clock input, you can reduce jitter by using the DAC in Master Mode and slaving the source to it.
  • Page 22 Rossini Upsampling Network DAC User Manual Software Issue 2.1x Using the Rossini DAC and Clock with a Transport The Rossini Clock has a third output (normally fixed at 44.1kHz), which may be used to clock another source, such as an SACD Transport.

  • Page 23: Further Suggestions

    Rossini Upsampling Network DAC User Manual Software Issue 2.1x Further suggestions • If you wish, you can set the DAC to insert a DSD upsampling stage at the end of the PCM oversampling sequence by setting the Unit Settings > Upsampling...

  • Page 24: Renaming Your Rossini

    Rossini Upsampling Network DAC User Manual Software Issue 2.1x Renaming your Rossini To identify more than one Rossini unit on the same network, you can change the network name of each Rossini Player or DAC as follows. • Connect a PC, tablet or phone and the Rossini to the same network.

  • Page 25: Front Panel

    Rossini Upsampling Network DAC User Manual Software Issue 2.1x RONT ANEL Figure 8 – Front panel Display – dCS Mosaic While streaming music from the Network or a USB flash drive, the display (A) is split into 4 areas:...

  • Page 26: Display - Dac Mode

    Rossini Upsampling Network DAC User Manual Software Issue 2.1x Display – DAC Mode With one of the digital inputs selected or if the Network input is selected but is not active, the display is again split into 4 areas:...

  • Page 27: Control Modes

    Rossini Upsampling Network DAC User Manual Software Issue 2.1x Control Modes The functions of the front panel controls depend on the current operating mode of the DAC, as shown in the table below. MODE DAC / Power Menu Filter...

  • Page 28: Input Button

    It is also possible to select inputs directly from the dCS Mosaic Control application via SETTINGS > AUDIO > Source Mute Button Use the Mute button (G) to mute and un-mute the analogue outputs.

  • Page 29: Rear Panel

    Dual AES pair at 88.2, 96, 176.4, 192, 352.8 or 384kS/s. The pair will also accept dCS-encrypted SACD data from Vivaldi / Rossini / Scarlatti / Paganini Transports and DoP data (DSD/64 or DSD/128 over PCM). For Dual AES mode to work correctly, the source must actually generate Dual AES data,...

  • Page 30: Usb Interfaces

    Class 2 (up to 384kS/s, no driver is required for OSX 10.6.3 onwards, the current dCS USB Class 2 driver is required for Windows). host interface (P) on an ‘A’ type connector can stream music files in most popular formats...

  • Page 31: Network Interface

    The DAC can stream music files at up to 24 bits / 384kS/s or DSD/64 or DSD/128 under the control of dCS Mosaic Control (see page 5) running on a suitable handheld device. The Network interface runs in asynchronous mode and is galvanically isolated.

  • Page 32: The Menu

    Rossini Upsampling Network DAC User Manual Software Issue 2.1x Figure 10 – The menu sequence Page 32 Rossini DAC Manual V06 English version...

  • Page 33: Using The Menu

    The menu gives the user access to a range of additional features. It also allows new features and performance enhancements to be added later by software updates. Note that dCS Mosaic Control can also be used to control audio and unit setting, access product information and check for firmware updates.

  • Page 34: Information Menu

    If you have any difficulty, please contact your dealer for help first. Update The Rossini DAC is intended to be updated over the internet using dCS Mosaic Control (see page 50) – this is the easiest and safest way to do it. This feature is provided for emergency use only.

  • Page 35: Audio Settings Menu

    Rossini Upsampling Network DAC User Manual Software Issue 2.1x AUDIO SETTINGS Menu Phase Use this page to change the phase of all the analogue outputs from normal phase… …to inverted phase, to correct for absolute phase errors on recorded music. This icon is displayed when the outputs are inverted.

  • Page 36: Crossfeed (Dcs Expanse)

    Expanse is our patented processing algorithm. It applies different processing filters to give two different responses: E1 and E2. With Expanse, there is a unique headphone listening experience for all listeners that stays true to the original recording.

  • Page 37: Unit Settings Menu

    Map 2 is the classic mapper design, used on all 1.xx versions of the Vivaldi DAC and Rossini, based on the design used by dCS for the last 20+ years. It drives the Ring DAC™ at 2.822 or 3.07MHz. Map 3 is an alternative design, which also runs at 5.644 or 6.14MHz.

  • Page 38: Output Level

    384kS/s or DSD/128. Class 2 operation with Windows PCs requires that the dCS USB Class 2 Driver is loaded. Mosaic Control location: SETTINGS > DEVICE After selecting a different USB Class, wait for 10 seconds while the USB software is re- loaded.

  • Page 39: Buffer

    SETTINGS > AUDIO > dCS Processing Platform RS232 Mode This page sets the RS232 interface to either Text mode for use with 3rd-party control systems or… …dCS production Binary mode, which is intended for factory use only. Page 39 Rossini DAC Manual V06 English version...

  • Page 40: Configuration Menu

    Rossini Upsampling Network DAC User Manual Software Issue 2.1x CONFIGURATION Menu Settings Lock When set to Locked, this icon appears on the main display and the following settings cannot be changed: • • Mapper DSD Filter • • Sync Mode...

  • Page 41: Display Settings Menu

    Mosaic Control location: SETTINGS > DISPLAY Logo On/Off When set to On, the dCS logo at the left side of the display is illuminated. When set to Off, the logo is not illuminated. Mosaic Control location: SETTINGS > DISPLAY...

  • Page 42: Generator Menu

    Press any button to stop the procedure. Please ensure that the volume level is reasonable, as careless use of the Burn In feature can damage your amplifiers and loudspeakers. dCS will not be liable for such damage. Page 42 Rossini DAC Manual V06 English version...

  • Page 43: Configuration With Mosaic Control

    MENU section of this manual. For instance, the Filter setting is at the following location: SETTINGS > AUDIO > dCS Processing Platform That means that to access the Filter setting you would execute the following steps in dCS Mosaic Control: •...

  • Page 44: Specification

    Each input will accept up to 24 bit PCM at 44.1, 48, 88.2, 96, 176.4 or 192kS/s or DSD/64 in DoP format, used as a Dual AES pair at 88.2, 96, 176.4, 192, 352.8 or 384kS/s or dCS- encrypted DSD or DSD/64 & DSD/128 in DoP format.
  • Page 45 Rossini Upsampling Network DAC User Manual Software Issue 2.1x Fs = 44.1kS/s +/-0.1dB, 10Hz to 20kHz Frequency response (set to Filter 1) Fs = 48kS/s +/-0.1dB, 10Hz to 20kHz Fs = 88.2 or 96kS/s +/-0.1dB, 10Hz to 20kHz -3dB @ >38kHz Fs = 176.4 or 192kS/s...

  • Page 46: Maintenance And Support

    Cleaning the case The front and back panels of your dCS equipment are machined from very high grade aluminium. Great care has been taken to create the finish of the aluminium throughout the engineering process from the raw solid material to the finished piece.

  • Page 47: Limited Warranty

    If the product is purchased and registered with dCS within 6 months of the date the unit was originally shipped from dCS, we will start the warranty on the purchase date. For units registered later than 6 months from the ship date, we will start the warranty from the ship date unless the registration is supported by the original sales invoice.

  • Page 48: If You Need More Help

    Unit 1, Buckingway Business Park, Anderson Road, Swavesey, Cambridgeshire. CB24 4AE www.dcsaudio.com This user manual may be downloaded free of charge from our web-site. A bound copy of this manual may be ordered from dCS. Page 48 Rossini DAC Manual V06 English version...

  • Page 49: Software History

    Please note that not all software updates produce an audible improvement. We recommend that you keep your software up to date. Check the dCS web-site occasionally for news of the latest software updates. This manual is for Rossini DAC software version 2.0x.

  • Page 50: Software Update

    Software Issue 2.1x Software update The Rossini DAC v1.01 onwards can be updated from the internet over the network using dCS Mosaic Control app. Tap SETTINGS > SUPPORT > Versions > Check for Updates. If an update is available, please follow the prompts and then wait until the process is complete.

  • Page 51: Index

    Rossini Upsampling Network DAC User Manual Software Issue 2.1x NDEX button ......28 output level ....10, 38 Dual AES ....14, 29 network ....11, 31 0/44.1 display ....15 rename ......23 PC setup ......17 SPDIF ....15, 29 phase .......
  • Page 52 Rossini Upsampling Network DAC User Manual Software Issue 2.1x warranty ......47 word clock ....30, 37 wake ........ 27 Page 52 Rossini DAC Manual V06 English version...

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