Introducció
The Cambridge Audio Azur 851N is a high-performance digital preamplifier and network player designed to deliver exceptional audio quality from various digital sources. It functions as a digital preamplifier, a network player for streaming audio, and a high-performance Digital-to-Analog Converter (DAC). This manual provides essential information for setting up, operating, and maintaining your Azur 851N.
Informació de seguretat
Please read all safety instructions before operating this unit. Keep this manual for future reference.
- Font d'alimentació: Only use the power cable supplied with the unit. Ensure the voltage coincideix amb la vostra font d'alimentació local.
- Ventilació: No bloquegeu cap obertura de ventilació. Deixeu prou espai al voltant de la unitat per a un flux d'aire adequat.
- Humitat: No exposeu la unitat a la pluja, la humitat, les goteges o les esquitxades. No col·loqueu objectes plens de líquids, com ara gerros, a sobre de la unitat.
- Calor: No col·loqueu a prop de cap font de calor com ara radiadors, registres de calor, estufes o altres aparells (inclosos amplificadors) que produeixen calor.
- Manteniment: No intenteu atendre aquest producte vosaltres mateixos. Consulteu tots els serveis a personal de servei qualificat.
Què hi ha a la caixa
Carefully unpack your Azur 851N. The package should contain the following items:
- Reproductor de xarxa Azur 851N
- Cable d'alimentació
- 3 x piles AAA
- Control remot
- Cable de bus de control
- Dongle Wi-Fi
Producte acabatview
The Azur 851N integrates multiple audio components into one unit, offering versatile connectivity and high-fidelity sound processing.

Davant view of the Cambridge Audio Azur 851N, showing the display, control knob, and various buttons.
Característiques principals:
- Digital Preampmés viu: Connects directly to power amplificadors o integrats ampaixecadors.
- Reproductor de xarxa: Streams audio via wired Ethernet or Wi-Fi.
- High-Performance DAC: Features Twin Analog Devices AD1955 24-bit DACs.
- Advanced Upsampling: Substàncies d'alimentació ATF2 de 2a generacióampling to 24-bit/384kHz with selectable filter modes.
- Àmplia connectivitat: Includes AES/EBU, S/PDIF coaxial, TOSLINK optical, USB Type B, Balanced XLR, and Unbalanced RCA outputs.
- Transmissió sense fils: Supports UPnP, Internet Radio, Spotify, Tidal, Apple AirPlay, and Bluetooth (via BT100 receiver).
- Aplicació de control: Compatible with Cambridge Audio's control app for Apple and Android devices.
Configuració
1. Col·locació física
Place the Azur 851N on a flat, stable surface away from direct sunlight, heat sources, and excessive moisture. Ensure there is adequate ventilation around the unit to prevent overheating.
2. Connexions
Before making any connections, ensure the Azur 851N and all other audio components are powered off.
- Entrades d'àudio digital: Connect your digital sources (CD players, media servers, etc.) to the 1 x AES/EBU, 2 x S/PDIF coaxial, or 2 x TOSLINK optical inputs.
- USB Audio Input (Type B): Connect your computer to this input for high-resolution audio playback. Select USB Audio profile 1.0 or 2.0 as required.
- Analogue Audio Outputs: Connect the Balanced XLR or Unbalanced RCA analogue audio outputs to your amplifier o altaveus actius.
- Ethernet: For the most stable network connection, connect an Ethernet cable from your router to the Ethernet port on the 851N.
- Wi-Fi: Insert the supplied Wi-Fi dongle into an available USB port on the rear panel for wireless network connectivity.
- Bus de control: Use the Control Bus Cable to connect to other compatible Cambridge Audio components for integrated control.
3. Connexió d'alimentació
Once all audio and network connections are made, connect the supplied power cable to the Azur 851N and then to a suitable wall outlet.
Instruccions de funcionament
1. Encendre/apagar
Press the power button on the front panel or the remote control to turn the unit on or off. The display will illuminate upon power-up.
2. Configuració de la xarxa
Upon first power-up or after a factory reset, the unit may guide you through network setup. Follow the on-screen prompts to connect to your wired or wireless network. For Wi-Fi, select your network and enter the password using the front panel controls or the remote.
3. Serveis de transmissió en temps real
- UPnP: Accedir a la música files stored on your local network via UPnP servers.
- Ràdio per Internet: Browse and play thousands of internet radio stations.
- Spotify Connect: Stream music directly from the Spotify app on your device.
- Marea: Access your Tidal subscription for high-fidelity streaming.
- Apple AirPlay: Reprodueix àudio en streaming sense fil des de dispositius Apple.
- Bluetooth: Pair your Bluetooth device (via BT100 dongle) to stream audio.
4. Reproducció multimèdia USB
Connect a USB storage device (thumb drive or external hard drive) to the USB A ports on the front or rear panel. The 851N will scan the device for compatible audio files. Navigate through folders and select tracks using the front panel controls or the remote.
5. Control App Usage
Download the Cambridge Audio StreamMagic app from the Apple App Store or Google Play Store. This app provides a comprehensive interface for controlling the Azur 851N, browsing music libraries, and managing streaming services.
6. Digital Filter Modes
The Azur 851N features 2nd Generation ATF2 up-sampling with selectable digital filter modes: Linear Phase, Minimum Phase, or Steep. Experiment with these settings to find the sound profile that best suits your preferences and audio content.
Manteniment
To ensure the longevity and optimal performance of your Azur 851N, follow these maintenance guidelines:
- Neteja: Use a soft, dry, lint-free cloth to clean the unit's exterior. Do not use abrasive cleaners, waxes, or solvents.
- Ventilació: Comproveu regularment que les obertures de ventilació estiguin netes de pols i deixalles.
- Apagar: Disconnect the unit from the power outlet if it will be unused for an extended period.
Resolució de problemes
If you encounter issues with your Azur 851N, refer to the following common solutions:
| Problema | Possible causa/solució |
|---|---|
| Sense poder | Ensure the power cable is securely connected to the unit and the wall outlet. Check the power switch. |
| Sense sortida de so | Verify correct audio cable connections to your amplifier. Ensure the correct input source is selected on the 851N and your amplifier. Check volume levels. |
| Problemes de connexió de xarxa | For wired connections, check the Ethernet cable. For Wi-Fi, ensure the dongle is inserted, the network is selected, and the password is correct. Restart your router and the 851N. |
| USB media playback problems | Ensure the USB device is formatted correctly (FAT32 or NTFS). Check for compatible audio file formats. Some external hard drives may require external power. |
| El comandament a distància no funciona | Check and replace batteries. Ensure there are no obstructions between the remote and the unit's IR sensor. |
If the problem persists after attempting these solutions, please contact Cambridge Audio customer support.
Especificacions
| Característica | Detall |
|---|---|
| Convertidors D/A | DAC de 1955 bits AD24 de doble dispositiu analògic |
| Filtre digital | Substàncies d'alimentació ATF2 de 2a generacióampling to 24-bit/384kHz (Linear Phase, Minimum Phase, Steep modes) |
| Filtre analògic | 2-pole differential Bessel with DC servo (XLR and RCA outputs) |
| Entrades d’àudio digital | 1 x AES/EBU, 2 x S/PDIF coaxial, 2 x TOSLINK optical |
| Entrada d'àudio USB | USB Type B (USB Audio profile 1.0 or 2.0 selectable) |
| Sortides d'àudio analògics | Balanced XLR and Unbalanced RCA |
| Compatibility (UPnP, Local USB) | Linear PCM 16-24 bit, 11.025-192kHz |
| Compatibility (USB Audio 1.0) | Linear PCM 16-24 bit, 44.1-96kHz |
| Compatibility (USB Audio 2.0) | Linear PCM 16-24 bit, 44.1-192kHz or DSD x64 |
| Compatibility (TOSLINK, S/PDIF, AES3/EBU) | 16-24 bit, 32-192kHz |
| Bluetooth | BT100 Bluetooth receiver: A2DP plus aptX |
| Ràdio per Internet | 16-24 bit, 11.025-192kHz |
| Formats d'àudio | ALAC, WAV, FLAC, AIFF, DSD (x64), WMA, MP3, AAC, HE AAC, AAC+, OGG Vorbis |
| Ethernet | IEEE 802.3, 10 Base-T o 100 Base-T |
| Wi-Fi | IEEE 802.11 b/g or n (2.4GHz) |
| Consum d'energia en espera | 0.5W |
| Dimensions (A x A x P) | 115 x 430 x 360mm (4.5 x 16.9 x 14.7 polzades) |
| Pes | 8.1 kg (17.9 lliures) |
Garantia i Suport
Cambridge Audio products are designed and built to high standards. For warranty information and technical support, please refer to the documentation included with your product or visit the official Cambridge Audio weblloc web. Conserveu el comprovant de compra per a reclamacions de garantia.





