CAMBRIDGE AUDIO EDGE NQ Network Preamplifier Owner’s Manual

CAMBRIDGE AUDIO EDGE NQ Network Preamplifier

Introduction

• First and foremost, thank you for choosing Cambridge Audio.

• I’m sure that you’re excited to listen to your new acquisition;

• I hope your expectations will be surpassed and that the pleasure will continue for many years to come.

• At Cambridge Audio we are in awe of the way that music can move us. It’s something that isn’t easy to describe, but you know how wonderful it is.

• Personally, listening to a quality system provokes the same reaction every time, it takes hold of me, possesses me and demands that I listen. I can lose myself for hours on a voyage of discovery, playing tracks that I haven’t heard in years, and they all sound brand new.

• It thrills me, I’ll be nodding, grinning, tapping and if there’s a glass of wine involved, dancing like a fool! It’s as exciting as hearing
  the songs for the first time, but with the added delight of recalling feelings and memories too. It really is a beautiful thing.

• And that power is why we developed Edge, the pinnacle of five decades of engineering precision, continuous audio innovation and our lasting love of music. It’s the inevitable conclusion to the singular objective that’s guided Cambridge Audio from the start; to produce audio equipment that faithfully delivers a pure and natural sound. Nothing added, nothing taken away.

• Cambridge Audio was born in 1968, when a promising R&D business established by some talented young technology graduates in Cambridge, England, turned their attention to stereo amplifiers. Britain in the 1960’s was an incredibly exciting place to be – a time when British bands began to enjoy unprecedented global success, our studios led the way in recording technology and a small group of enterprising British engineers started to make equipment that would accurately playback these landmark recordings.
  50 years on, and all our engineering and design is still carried out in the UK, by our dedicated teams in London and Cambridge.

• There’s a few more of us working here now, and our head-office has relocated to central London; where we proudly continue to
  deliver world class hi-fi.

• Our quest for audio perfection is built on simple principles; minimise the number of components in the signal path and select each component by listening to discover those with the purest sound. We’re immensely proud of what we’ve created, having spared nothing in our efforts for perfection.

• But ultimately this is about far more than the equipment and it’s even more important than the music, it’s about your experience when you listen. We hope that your Edge will transport you to some of the magical moments in your life, reminding you exactly why you fell in love with music in the first place.

• Time to sit down, take a breath, and let the music take you away, wherever your heart desires.

INSTRUCTION

• Please check the Edge NQ support page at http://techsupport.cambridgeaudio.com for details of any new features, advice on compatibility with other products, audio formats and the most recent copy of this manual.
• This guide is designed to make installing and using this product as easy as possible. Information in this document has been carefully checked for accuracy at the time of printing; however, Cambridge Audio’s policy is one of continuous improvement, therefore design and specifications are subject to change without prior notice.
• This document contains proprietary information protected by copyright. All rights reserved. No part of this manual may be reproduced by any mechanical, electronic or other means, in any form, without prior written permission of the manufacturer. All trademarks and registered trademarks are the property of their respective owners.
• © Copyright Cambridge Audio Ltd 2018.
• For upcoming news on future products, software updates and exclusive offers, make sure you register your Edge unit at
  http://www.cambridgeaudio.com/register

Important safety information

For your own safety please read the following important safety instructions carefully before attempting to connect this unit to the mains power supply. They will also enable you to get the best performance from and prolong the life of the unit:

1. Read these instructions.
2. Keep these instructions.
3. Heed all warnings.
4. Follow all instructions.
5. Do not use this apparatus near water.
6. Clean only with a dry cloth.
7. Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions.
8. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.
9. Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two blades with one wider than the other. A groundingtype plug has two blades and a third grounding prong. The wide blade or the third prong are provided for your safety. If the provided plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet.
10. Protect the power cord from being walked on or pinched, particularly at plugs, convenience receptacles and the point where they exit from the apparatus.
11. Only use attachments/accessories specified by the manufacturer.
12. Use with only the cart, stand, tripod, bracket, or table specified by the manufacturer, or sold with the apparatus. When a cart is used, use caution when moving the cart/ apparatus combination to avoid injury from tip-over.
13. Unplug this apparatus during lightning storms or when unused for long periods of time.
14. Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such as the power-supply cord or plug having been damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped.

WARNING:

• Do not place the unit in an enclosed space; if you wish to place the unit on a shelf, use the top shelf to allow maximum ventilation. Do not put any objects on top of this unit. Do not situate it on a rug or other soft surface and do not obstruct any air inlets or outlet grilles. Do not cover the ventilation grilles with items such as newspapers, tablecloths, curtains, etc.
• To reduce the risk of fire or electric shock, do not expose this apparatus to rain or moisture . This unit must not be used near water or exposed to dripping or splashing water or other liquids. No objects filled with liquid, such as vases, shall be placed on the unit.
• Danger of explosion if battery is incorrectly replaced. Replace only with the same or equivalent type.
• The battery (battery pack or batteries installed) shall not be exposed to excessive heat such as sunshine, fire or the like.
• The unit must be installed in a manner that makes disconnection of the mains plug from the mains socket outlet (or appliance connector from the rear of the unit) possible. Where the mains plug is used as the disconnect device, the disconnect device shall remain readily operable.
• Please refer to the information on the exterior rear panel for electrical and safety information before installing or operating the apparatus.
• Only use the mains cord supplied with this unit.
• Use of the apparatus in tropical climates – The equipment shall be used at a maximum 45 degree C ambient temperature.
• The unit is of Class 1 construction and must be connected to a mains socket outlet with a protective earthing connection.

• The lightning flash with the arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of un-insulated ‘dangerous voltage’ within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons.
• Warning: To reduce the risk of electric shock, do not remove cover (or back) as there are no user-serviceable parts inside. Refer servicing to qualified personnel.
• The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance instructions in the service literature relevant to this appliance

VENTILATION
Important! The unit will become hot when in use. Do not stack multiple units on top of each other.
Ensure that small objects do not fall through any ventilation grille. If this happens, switch off immediately, disconnect from the mains supply and contact your dealer for advice.

POSITIONING

• Choose the installation location carefully. Avoid placing it in direct sunlight or close to a source of heat. No naked flame sources, such as lighted candles, should be placed on the unit.
• Also avoid locations subject to vibration and excessive dust, cold or moisture. The unit can be used in a moderate climate.
• This unit must be installed on a sturdy, level surface. Do not place in a sealed area such as a bookcase or in a cabinet. Do not place the unit on an unstable surface or shelf. The unit may fall, causing serious injury to a child or adult as well as serious damage to the product. Do not place other equipment on top of the unit.
• Due to stray magnetic fields, turntables or CRT TVs should not be located nearby due to possible interference.
• Electronic audio components have a running in period of around a week (if used several hours per day). This will allow the new components to settle down and the sonic properties will improve over this time

POWER SOURCES
The unit should be operated only from the type of power source indicated on the marking label. If you are not sure of the type of power supply to your home, consult your product dealer or local power company. If you do not intend to use this unit for a long period of time, unplug it from the mains socket.

OVERLOADING

• Do not overload wall outlets or extension cords as this can result in a risk of fire or electric shock. Overloaded AC outlets, extension cords, frayed power cords, damaged or cracked wire insulation and broken plugs are dangerous. They may result in a shock or fire hazard.
• Be sure to insert each power cord securely. To prevent hum and noise, do not bundle the interconnect leads with the power cord or speaker leads.

CLEANING
To clean the unit, wipe its case with a dry, lint-free cloth. Do not use any cleaning fluids containing alcohol, ammonia or abrasives. Do not spray an aerosol at or near the unit.

SERVICING

• These units are not user serviceable.
• Never attempt to repair, disassemble or reconstruct the unit if there seems to be a problem. A serious electric shock could result if this precautionary measure is ignored. In the event of a problem or failure, please contact your dealer.

BATTERY DISPOSAL
Batteries may contain substances harmful to the environment. Please dispose of any discharged batteries with due consideration and in accordance with local environmental/electronic recycling guidelines.

WEEE SYMBOL
The crossed-out wheeled bin is the European Union symbol for indicating separate collection for electrical and electronic equipment. This product contains electrical and electronic equipment which should be reused, recycled or recovered and should not be disposed of with unsorted regular waste. Please return the unit or contact the authorised dealer from whom  you purchased this product for more information.

CE MARK
This product complies  with European Low  Voltage (2014/35/EU), Electromagnetic Compatibility (2014/30/EU) and Environmentally friendly design of Energy-related Products (2009/125/EC) Directives when used and installed according to this instruction manual. For continued compliance only Cambridge Audio accessories should be used with this product and servicing must be referred to qualified service personnel.

RCM (REGULATORY COMPLIANCE MARK)
This product meets Australia, New Zealand Safety, EMC and Radio Communications requirements of the ERAC and ACMA.

CU-TR MARK
This product meets Russia, Byelorussia and Kazakhstan electronic safety approvals.

WI-FI INFORMATION
For W-Fi Connectivity this device comes supplied with an external Wi-Fi dongle that plugs into the USB port of your device. This Wi-Fi dongle has been tested in conjunction with your Edge NQ. It  is not recommended to use any other type of dongle than the type that has been supplied. This device meets all the technical and regulatory requirements of your region. Please refer to specific in country information.

FCC STATEMENT

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
2. this device must accept any interference received, including interference that may cause undesired operation.

Federal Communications Commission Notice:

• This equipment has been tested and found to comply with the limits for  a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.
• This equipment generates, uses, and can radiate radio frequency energy, and if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation.
• If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try and correct the interference by one or more of the following measures:
  • Reorient or relocate the receiving antenna.
  • Increase the distance between the equipment and the receiver.
  • Connect the equipment to an outlet on a circuit different from that to which the receiver is connected.
  • Consult the dealer or an experienced radio/TV technician for help.

FCC Caution:

• Any changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate this equipment.
• 2.4 GHz Wi-Fi operation of this product in the USA is hardware limited to channels 1 through 11.

RF Exposure Statement:
To maintain compliance with FCC’s RF Exposure guidelines. This equipment should be installed and operated with a minimum distance of 20cm between the radiator and your body. Use only the supplied antenna.

Modifications:
The FCC requires the user to be notified that any changes or modifications to this device that are not expressly approved by Cambridge Audio, may void the user’s authority to operate the equipment.

CANADA – INDUSTRY CANADA (IC)

• This radio transmitter has been approved by Industry Canada.
• This device complies with Industry Canada License exempt RSS standard(s). Operation is subject to the following two conditions.
  1. this device may not cause interference
  2. this device must accept any interference, including interference that may cause undesired operation of the device. This equipment should be installed and operated with a minimum distance of 20cm between the radiator and your body.
• The transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.

EUROPE-EUROPEAN UNION NOTICE

• Radio products with the CE marking comply with the RED Directive (2014/53/ EU) issued by the Commission of the European Community.
• Frequency: 2402 MHz-2480 MHz
• The Max. transmit power: 8.23 dBm
• This product can be used across EU member states.
• Compliance with this directive implies conformity to the following European Norms.
  • EN 60065 – Product Safety.
  • EN 300 328 – Technical requirement for radio equipment.
  • EN 301 489 – General EMC requirements for radio equipment.

Front panel

1. STANDBY/ON
   Switches the unit between Standby mode (indicated by dim LED) and On (indicated by bright LED).
   AUTO POWER DOWN (APD)
   The product will automatically switch to standby mode after inactivity of 20 minutes. To enable or disable this function, use the Cambridge Edge Remote app.

2. HEADPHONES
   For suitable headphones – connection will automatically mute the pre-out.

3. DISPLAY

4. IR SENSOR

5. VOLUME/SOURCE SELECTOR
   To change the volume, rotate the front part. To select a source, rotate the back part.

Display

1. CURRENT SOURCE
2. SOURCE INDICATION
3. ICONS
   Firmware update notification, headphones, usb media and network connection.
   Note: Edge NQ will automatically display a notification when it is connected to a network and new firmware is available. To update the firmware use either the Edge Remote app or the product webmin page.

Rear panel

1. AC P[OWER SOCKET

2. VOLTAGE SELECTOR SWITCH
   Note: For use by Cambridge Audio service personnel only.

3. PRE OUT

4. USB AUDIO IN (D5)
   For connecting to PC/MAC computers. (Class 2 USB Audio only. Windows based PCs require a Cambridge Audio USB driver to be installed before connection)

5. AUDIO RETURN CHANNEL (ARC)(D4)
   Connection from a TV that supports ARC function.

6. [

7. DIGITAL INPUTS (D1, D2 AND D3)

8. RS232
   Custom install control – a full protocol is available for the Edge NQ on our website.

9. LINK
   Use the Link cable between the Edge NQ and Edge W to synchronise power on/standby.

10. USB MEDIA
    For connecting local media storage. Note that the USB ports are not intended for connection to Apple mobile devices; no functionality, [charging or otherwise is supported.

11. BLUETOOTH ANTENNA
    Used for wireless streaming Bluetooth audio directly from most phones, tablets and laptops. See Bluetooth section for details.
    IMPORTANT
    To use the UPnP media playing feature, Internet radio, streaming services or to receive product [software updates, you will need either a wired Ethernet or Wi-Fi connection to your network.

12. USB WIFI
    Connect the supplied Wi-Fi dongle to the correct USB input on the rear of Edge NQ – it will need to be within range of your wireless router.
    Important note: Do not connect/disconnect the [Wi-Fi dongle when the unit is on.

13. ETHERNET
    Use a wired connection for seamless playback of high resolution 176.4kHz, 192kHz and DSD128

Edge Remote app

• To setup the Edge NQ, please first download the Cambridge Edge Remote app from the Apple app store or Google Play store.
• The app will assist you in setting up the Edge NQ on your home network, enabling Chromecast built-in and much more.

Remote control

1. STAN[DBY/ON

2. VOLUME

3. SKIP

4. PLAY/PAUSE & MUTE/UNMUTE
   Note: This remote function is source dependent. Where possible the source will be paused and for other sources the output will be muted.

5. SOURCE SELECTION

6. PROGRAMMABLE BUTTONS
   Press and hold to store the current source and its volume level.
   Note: Not available for media player queue, AirPlay or Chromecast sources.

How to use AirPlay

1. Connect your Edge NQ to your network.
2. Open the app that you want to AirPlay from.
3. Tap
4. Select Edge NQ as your AirPlay device.

FROM CONTROL CENTER

• To switch the audio on your device from Control Center: Swipe up from the bottom edge of any s[creen on your device to open Control Center.
• Touch and hold in the upper-right corner, then select your Edge NQ.

How to use Spotify Connect

SPOTIFY CONNECT

• A Spotify Premium subscription is required to listen on your Edge NQ.
• Visit spotify.com/premium to go Premium.
• Listen out loud with Spotify Connect.
  1. Connect your Edge NQ to your wifi network.
  2. Open up the Spotify app on your phone, tablet or laptop using the same wifi network.
  3. Play a song and select Devices Available.
  4. Select your Edge NQ and start listening.
• Visit spotify.com/connect to learn more.
• The Spotify Software is subject to third party licenses found here: www.spotify.com/connect/third-party-licenses

How to use Chromecast built-in

EDGE NQ COMES WITH CHROMECAST BUILT-IN. IT LETS YOU STREAM YOUR FAVORITE MUSIC FROM YOUR PHONE, TABLET OR LAPTOP TO YOUR SPEAKER.
Works with compatible iPhone®, iPad®, Android phone and tablet, Mac® and Windows® laptop, and Chromebook devices.

YOUR PHONE IS YOUR REMOTE
By using your phone, there’s nothing new  to learn — stream your apps, your playlists, your favorite artists — without new log-ins or downloads. It’s simple to browse, queue, and control from anywhere in the home.

TAP THE CAST BUTTON

• Simply tap the Cast button from your own mobile device to start streaming music to your speaker. Search, play, pause, and more right from your phone.*
• Device should be on the same Wi-Fi network.

100+ CHROMECAST ENABLED APPS

• Choose from millions of songs from popular music services like Google Play Music, Spotify, Deezer, TuneIn and 100+ more. Discover more apps at… google.com/cast/apps
• Set up your speaker on your phone or tablet google.com/cast/setup

Internet radio

Use the Cambridge Edge Remote app to choose the Internet radio station you wish to listen to.

Bluetooth

Selecting this allows the Edge NQ to receive wireless Bluetooth audio from most phones, tablets and laptops.

PAIRING
To begin streaming high quality music from your chosen media source it will first need to be paired with the Edge NQ.
Note: Your device can only be paired and connected to the Edge NQ while the Bluetooth source is selected.

Technical specification

• D/A Converter: THD <0.0008%, 20Hz – 20kHz, 24-bit, 1Vrms output
• THD Analog sources: <0.0008%, 20Hz – 20kHz, 1Vrms output
• Frequency Response: 20Hz-20kHz +/- 0.1dB
• S/N ratio (ref 1V output): >103 dB
• Crosstalk @ 1kHz: < -100dB
• Max preamp output: 6Vrms single ended or 6Vrms + 6Vrms balanced.
• USB audio input: USB Audio Class 2.0 supporting up to 32-bit 384kHz PCM, or up to DSD256
• [USB drive input: 1 x USB 2.0 current limited to 1A, FAT32 / NTFS / HFS / HFS+
• Bluetooth: 4.1 (Smart/BLE enabled) A2DP/AVRCP supporting SBC, AAC, Qualcomm® aptX™ and aptX™ HD audio
• TOSLINK input: 16/24-bit 32-96kHz
• Coax SPDIF input: 16/24-bit 32-192kHz
• Wi-Fi: IEEE 802.11 b/g or n (2.4GHz), Encryption WEP, WPA, WPA2
• Ethernet: IEEE 802.3, 10 Base-T or 100 Base-T
• Max power consumption: 100W
• Standby power consumption: <0.5W
• Dimensions: 120 x 460 x 405mm (4.7 x 18.1 x 15.9”)
• Weight: 10.2kg (22.4lbs)

Supported sources and formats

• Internet radio
• Apple AirPlay™
• Chromecast built-in™
• Spotify Connect™
• UPnP
• Bluetooth A2DP/AVRCP supporting SBC, AAC, Qualcomm® aptX™ and aptX™ HD audio

Supported audio formats Via UPnP or attached USB storage device:

• WAV containing uncompressed PCM 16-32 bit 32-192kHz
• FLAC containing losslessly compressed PCM 16-24 bit 32-192kHz
• Apple Lossless (ALAC) containing losslessly compressed PCM 16-24 bit  32- 192kHz
• AIFF containing uncompressed PCM 16-24 bit 32-192kHz
• Microsoft® Windows Media™ Audio (WMA 9 Standard, WMA Pro and WMA lossless) 32-320kbps
• MP3 (CBR or VBR) 16-320kbps
• AAC, HE AAC and AAC+ (CBR or VBR) 16-320kbps
• OGG Vorbis 32-320kbps
• DSF and DFF containing DSD64 at 2.8224 MHz  or DSD128 at 5.6448 MHz

Streaming protocols:

• RTSP (Real Time Streaming Protocol)
• MMS (Microsoft Media Server Protocol)
• HTTP (Hyper Text Transfer Protocol)
• HLS (HTTP Live Streaming)
• DASH (Dynamic Adaptive Streaming over HTTP)

Playlist formats:

• ASX (Microsoft® playlist format)
• M3U
• PLS
• Stream Magic is a trademark of Audio Partnership Plc and is registered in the European Community and other countries.
• This product contains software licensed under version 2 of the GNU Public License and version 2.1 of the GNU Lesser Public
• License. The source code for this software is available from:  http://gpl.stream-magic.com/
• This product includes technology owned by Microsoft Corporation and under a licence from Microsoft Licensing GP. Use or distribution of such technology outside of this product is prohibited without a license from Microsoft Corporation and/or Microsoft
• Licensing, GP as applicable.
• AirPlay works with iPhone, iPad, and iPod touch, or Mac and PC with iTunes.
• Use of the Works with Apple badge means that an accessory has been designed to work specifically with the technology identified in the badge and has been certified by the developer to meet Apple performance standards.
• The Spotify software is subject to third party licenses found here: [https://developer.spotify.com/legal/third-party-licenses/[](https://developer.spotify.com/legal/third-party-licenses/%5B)
• The Bluetooth® word mark and logos are registered trademarks owned by the Bluetooth SIG, Inc. and any use of such marks by
• Audio Partnership Plc is under license. Other trademarks and trade names are those of their respective owners.
• Android, Google Play and the Chromecast built-in logo are trademarks of Google Inc.
• Qualcomm is a trademark of Qualcomm Incorporated, registered in  the United States and other countries, used with permission. aptX is a trademark of Qualcomm Technologies International, Ltd., registered in the United States and other countries, used with permission.
• Qualcomm aptX is a product of Qualcomm Technologies International, Ltd.

Troubleshooting

If you experience any trouble with your Edge NQ, visit the help section on our webpage at http://techsupport.cambridgeaudio.com

• If you have trouble connecting the Edge NQ to your network, these steps may help to resolve the problem:
  • Confirm that a connected computer can access the Internet (i.e. can browse the web) using the same network.
  • If you have an encrypted Wi-Fi network, check that you have entered the correct key or passphrase. Remember that text-format keys are case sensitive.
• If your Edge NQ can connect to the network successfully, but is unable to play particular Internet Radio stations, it may be due to one of the following causes:
  • The station is not broadcasting at this time of the day (remember it may be located in a different time zone).
  • The station has reached the maximum allowed number of simultaneous listeners.
  • The station is not broadcasting anymore.
  • The Internet connection between the server (often located in a different country) and you is too slow.
• If you have problems with UPnP playback check the following:
  • Ensure your chosen UPnP server software is[ capable of serving the file type you are trying to access. Some servers do not serve FLAC for instance.
  • The Edge NQ can only play non DRM files. Files that have DRM controls cannot be played by the Edge NQ. Some servers may be able to authorise and de-crypt Microsoft Playsforsure before then serving the content to the Edge NQ, but this operation is not guaranteed as it is purely a function of the server.
  •  If attempting to play 24-bit WAV or FLAC content a wired Ethernet connection is normally required for reliable operation due to bandwidth considerations.
  •  Check the Edge NQ is capable of playing back the file type you are trying to access.
• If you have problems with USB Media playback check the following:
  • Check the Edge NQ is capable of playing back the file type you are trying to access.
  • For USB Media the Edge NQ can only play non DRM files. Files that have DRM controls cannot be played.
  • Check that your device does not require more than 1A if it is powered from the USB socket itself.
  • Check your device format is supported by the[ [Edge NQ.
  • The way you organise your USB media affects how efficiently the Edge NQ can browse the content. Good practice is to create folders for Artists within which you should have a sub folders for each Album which then contain the tracks for that Album. Libraries with thousands of tracks in one folder will progressively slow down the Edge NQs media browsing.

Webmin

• The webmin page allows you to change Edge NQ settings and install firmware updates.
• To view webmin, enter the IP address of the Edge NQ into a browser on a computer, phone or tablet connected to the same network.
• The IP address of the Edge NQ can be found in the Setup menu. To enter the setup menu, press and hold the front panel power button for a few seconds while the unit is powered on. Use the source selector to browse through various settings and press the power button to select.
• **Setup menu

**

ABOUT COMPANY

• WWW.CAMBRIDGEAUDIO.COM
• Gallery Court, Hankey Place
• London
• se1 4bb
• United Kingdom
• Cambridge Audio is a brand of Audio Partnership Plc. Registered in England No. 2953313

References

• Cambridge Audio US
• gpl.stream-magic.com/
• Spotify - Connect
• Spotify Premium - Spotify (US)
• Support Hub - | Cambridge Audio US
• Register your product | Cambridge Audio US
• Page not found - Spotify
• Third Party Licenses | Spotify for Developers

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