DCS Rossini User Manual
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DCS Rossini User Manual

Upsampling network dac
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This product incorporates the following dCS proprietary technology:
Part No: DCS451659 V02
© Data Conversion Systems Ltd. 2015 - 2018
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.
1
dCS is Data Conversion Systems Ltd. Company registered in England No. 2072115.
dCS Rossini
Upsampling Network DAC
User Manual
Software Release 2.0x
December 2018
Ring DAC™
. Any person who does any unauthorised act in relation to this
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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 is Data Conversion Systems Ltd. Company registered in England No. 2072115.
  • Page 2 Rossini Upsampling Network DAC User Manual Software Issue 2.0x December 2018 Page 2 Rossini DAC Manual v2_0x English version...

  • Page 3: Table Of Contents

    Rossini Upsampling Network DAC User Manual Software Issue 2.0x December 2018 Contents Using the dCS Rossini DAC for the first time..................5     What’s in the box? Positioning the unit   Important Safety Instructions   Condensation   Safety Notice  ...
  • Page 4 Rossini Upsampling Network DAC User Manual Software Issue 2.0x December 2018 The Menu ............................... 37   Using the Menu   INFORMATION Menu   Unit Status   Version   Contact   Update   AUDIO SETTINGS Menu     Phase Filter  ...

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

    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 6: Important Safety Instructions

    Rossini Upsampling Network DAC User Manual Software Issue 2.0x December 2018 Important Safety Instructions The following statements are required to comply with U.S. safety standard UL60065. • Read these instructions. • Keep these instructions. • Heed all warnings. • Follow all instructions.

  • Page 7: Safety Notice

    50Hz or 60Hz ONLY. Damage caused to your Rossini DAC by misuse of a mains regenerator or by a malfunctioning mains regenerator is not covered by the warranty.

  • Page 8: Made For Iphone® And Ipad

    Software Issue 2.0x December 2018 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 accessory has been designed to connect specifically to iPod or iPhone respectively and has been certified by the developer to meet Apple performance standards.

  • Page 9: Step-By-Step Guide

    Rossini Upsampling Network DAC User Manual Software Issue 2.0x December 2018 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

    Analogue outputs to pre- or power amplifier Figure 1 – Basic setup for the Rossini DAC The Rossini DAC has independent balanced and unbalanced output stages, you can connect them to different amplifiers if you wish. Page 10 Rossini DAC Manual v2_0x...

  • Page 11: Step 2 - Upnp Network Connection

    IGMP snooping in the router or enable UPnP discovery mode in the router or the NAS drive. The dCS Rossini App is a control point application that will allow users to view / select available renderers, view / select available media servers and browse / select / playback music via the Rossini DAC.
  • Page 12 Rossini Upsampling Network DAC User Manual Software Issue 2.0x December 2018 • For iPad or iPhone/iPod, download the dCS Rossini app from the App Store and install it. • Connect the DAC’s Network interface to the Ethernet network. • Connect the control device (e.g. iPhone) to the network.
  • Page 13 Rossini Upsampling Network DAC User Manual Software Issue 2.0x December 2018 • Navigate down to the track list. • Choose either All Tracks to play the whole album or Selected Tracks and then tap on the tracks you want to play.
  • Page 14 Rossini Upsampling Network DAC User Manual Software Issue 2.0x December 2018 • Current track: Shuffle tracks. Repeat track. Change phase. Adjust volume. • Set the volume slider as required, then tap the white to close the volume panel. Tap here to go to the PlayQueue page.
  • Page 15 Rossini Upsampling Network DAC User Manual Software Issue 2.0x December 2018 To delete a Playlist, swipe it to the left and tap Delete. Tap on a list or the Play Queue to open it. Select a track and tap the Play icon to start playing it.
  • Page 16 Rossini Upsampling Network DAC User Manual Software Issue 2.0x December 2018 While browsing albums, artists or tracks, you can search for some text in the list. Tap on the Search icon – the keyboard will appear. Type the text you want to search for (or just part of it).

  • Page 17: Playing Music With Airplay

    Using the Rossini DAC with Roon The Rossini DAC is Roon Ready. If you have a Roon account, you need to install Roon server on your NAS drive or in a networked PC. You can then use Roon remote to control playback.

  • Page 18: Playing Mqa Files

    The MQA logo is a trademark of MQA Limited and is used under licence. Rossini DAC v1.1 onwards features a full MQA decoder. MQA files streamed bit-perfect via the Network (for example from Tidal Masters) or USB2 interfaces will be unfolded and rendered to the original sample rate.

  • Page 19: 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. Press Menu, ►, ►, ►, Menu, ►...

  • Page 20: Connecting To A Single Aes Or Spdif Source

    Rossini Upsampling Network DAC User Manual Software Issue 2.0x December 2018 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 21: Step 4 - Using The Usb1 Interface With A Computer

    Class 2 icon. If an older version of the dCS USB Class 2 driver is installed on your Windows PC, please un-install it and install the current version. Loading the Windows driver for USB Class 2 • If ASIO4ALL or any other ASIO driver (e.g. for a sound card) is loaded on your computer, please uninstall it - otherwise the dCS driver will not work correctly.

  • Page 22: 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 23: Selecting The Rossini Dac As Your Audio Output Device

    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, you can correct this as follows:...

  • Page 24: Step 5 - Using The Usb2 Input

    USB2 input. When the DAC is connected to a network, you can use the dCS Rossini App to control playback from the flash drive. Go to the Home page and select the USB/iPod option, then select tracks as from a NAS drive - see Step 2 for details.

  • Page 25: Step 6 - Clocking

    Network and USB interfaces. This is the simplest arrangement, but it does not give the very best sonic performance due to clock jitter. Using the Rossini Clock The performance can be improved further by adding a Rossini Master Clock to the system. Analogue outputs Figure 5 – Using the Rossini DAC and Clock together •...

  • Page 26: 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. Analogue outputs Figure 6 – Using the Rossini DAC in Master Mode with a Vivaldi Transport • Connect the system as shown above. • Use the DAC’s...

  • Page 27: Using The Rossini Dac And Clock With A Transport

    Software Issue 2.0x December 2018 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. Analogue outputs Figure 7 –...

  • Page 28: Further Suggestions

    Ring DAC™. Try the 3 options and decide which you prefer. Note that your choice may depend on your choice of music. • If you are using a Rossini Master Clock, try turning the Dither feature on. Please refer to the Clock manual for more information.

  • Page 29: Renaming Your Rossini

    December 2018 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 30: Front Panel

    Rossini Upsampling Network DAC User Manual Software Issue 2.0x December 2018 RONT ANEL Figure 8 – Front panel Display – Network Renderer While streaming music from the Network or a USB flash drive, the display (A) is split into 4 areas:...

  • Page 31: Display - Dac Mode

    Rossini Upsampling Network DAC User Manual Software Issue 2.0x December 2018 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 32: Power Button

    Rossini Upsampling Network DAC User Manual Software Issue 2.0x December 2018 Power Button To switch on, ensure the rear panel power switch is set to and press the Power button (C) on the front panel once. Note that the unit cannot be turned on from the remote control.

  • Page 33: Rotary Control

    Rossini Upsampling Network DAC User Manual Software Issue 2.0x December 2018 Rotary Control The Rotary Control (H) usually controls the Volume setting. The Volume setting changes in 0.5dB steps between 0dB (full volume) and -50dB, in 1dB steps down to -80dB and then mutes below -80dB.

  • Page 34: Rear Panel

    “thin” sound. If you want to use the Rossini DAC with this type of input, link pin 3 to pin 1 in the cable at the amplifier end. In such cases, we recommend that you use the Unbalanced Outputs instead.

  • Page 35: Usb Interfaces

    December 2018 USB Interfaces Both USB interfaces operate in True Asynchronous USB mode, which makes the Rossini DAC immune to clock jitter from the computer / sound server. The DAC uses its own internal clock or locks to the Master Clock connected to one of the Word Clock inputs.

  • Page 36: 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 a dCS Rossini App running on a suitable iPad or iPhone, (see page 10) or other UPnP control point. The Network interface runs in asynchronous mode.

  • Page 37: The Menu

    Rossini Upsampling Network DAC User Manual Software Issue 2.0x December 2018 The STEP > button moves along the menu, the STEP < button moves back. MENU Press the MENU button to set a menu option or change options. ►...

  • Page 38: Using The Menu

    Rossini Upsampling Network DAC User Manual Software Issue 2.0x December 2018 Signal Channel Phase ► ► ► Burn In Generator Check Check Outputs Outputs tone Outputs noise modulated on L channel on both pink noise to only then R...

  • Page 39: 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 the Rossini app (see page 53) – this is the only practical way to perform a complete update. Update discs will only be issued in special circumstances.

  • Page 40: Audio Settings Menu

    Phase is reset to normal to power up. Filter The Rossini DAC features two sets of digital filters: one set for PCM and one set for DSD. The PCM Filter is applied when the unit is receiving PCM data. Filters are a personal choice.

  • Page 41: Channel Swap

    0dB to –6dB in 0.1dB steps, then mute ( ) below that. Press the Menu button to end Balance adjustment. Most owners use the Rossini app to adjust the balance. Page 41 Rossini DAC Manual v2_0x English version...

  • Page 42: 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 43: Output Level

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

  • Page 44: Upsampling

    This feature does not apply to DSD data, which is processed differently. 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 44 Rossini DAC Manual v2_0x English version...

  • Page 45: Configuration Menu

    Rossini Upsampling Network DAC User Manual Software Issue 2.0x December 2018 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 •...

  • Page 46: Display Settings Menu

    The display will stay on if the menu is open. 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. GENERATOR Menu Channel Check This routine tests the system for swapped channels.

  • Page 47: 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 48 Rossini Upsampling Network DAC User Manual Software Issue 2.0x December 2018 Frequency response Fs = 44.1kS/s +/-0.1dB, 10Hz to 20kHz (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...

  • Page 49: 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 50: 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 51: If You Need More Help

    Unit 1, Buckingway Business Park, Anderson Road, Swavesey, Cambridgeshire. CB24 4AE w ww.dcsltd.co.uk 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 51 Rossini DAC Manual v2_0x English version...

  • Page 52: 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 53: Software Update

    December 2018 Software update The Rossini DAC v1.01 onwards can be updated from the internet over the network using the Rossini app. Tap Configuration > Information > Version > Check for Updates. If an update is available, please follow the prompts and then wait until the process is complete.

  • Page 54: Index

    Rossini Upsampling Network DAC User Manual Software Issue 2.0x December 2018 NDEX input preamplifier ...... 10 0  AES ......20, 34 R  button ......32 0/44.1 display ....20 Dual AES ....19, 34 rear panel ......34 A ...

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