Cambridge Audio AZUR 851N (Silver)

Network Music Player/Streamer

In stock
£1,399
Buy in-store & take it home today! Find store details Buy by phone Call our UK based team on 0333 900 0093
"A premium music streamer with the performance to match" What Hi-Fi Award Winner 2017. Product of the Year.

Putting sound quality first

As Cambridge's range-topping network music payer you'd expect the Azur 851N to be pretty special under the lid, and that's exactly what it is! The highest quality sound comes from the use of audiophile quality components and tireless research and testing. As an 8-series design, the 851N uses a substantial toroidal power transformer at its centre. This enables clean, effortless power to be supplied to the other components, allowing them to give their best. High quality Analogue Devices AD1955 DACs (Digital to Analogue Convertors) are configured in dual-mono mode, ensuring maximum channel separation and precise sound-staging.

Fully equipped for High Resolution audio
At the heart of the 851N is a brand new Zander processor that facilitates 24-bit/192kHz file high resolution streaming from most methods - even Wi-Fi. On top of this, the 851N is compatible with a huge range of high resolution files, including ALAC, WAV, FLAC, AIFF, WMA, MP3, AAC, HE AAC, AAC+ and OGG Vorbis. The USB audio input also enables streaming of up to 24-bit/192kHz audio and even supports DSD streams from your computer. Originally designed for SACD players, DSD (Direct Stream Digital) encoded music files offer the same detailed, transparent sound as other high resolution file formats, giving you even greater choice of listening.

AFT2 Up-Sampling for the ultimate detail and least jitter
The Cambridge 851N improves sound quality still further with an Anagram Technologies AFT2 24 bit/384 kHz up-sampling circuit. ATF (Adaptive Time Filtering) up-sampling 'stretches' the music to give the highest resolution possible. Up-sampling sound gives a smoother, more relaxed sound quality with added detail. You'll also notice enhanced depth of sound and a more natural quality without the "edge" that can afflict digital music. You'll hear every detail, including every deep breath, squeaky chair and flutter of sheet music; in short, it's like being there for real! AFT2 even aids native 24-bit/192kHz recordings with a faster sampling rate for even less jitter.


What is ATF Upsampling Technology? Click here to learn more.


Connect to Internet radio and Spotify Connect
In addition to supporting over 20,000, easy to access Internet radio stations, the Azur 851N is also compatible with the most popular music streaming services. Spotify is the world's most popular streaming service and the Azur 851N has Spotify Connect integrated into it. If you subscribe to Spotify Premium, you can control the Cambridge with the powerful Spotify Connect app on your phone or tablet. Should you prefer other music services, the 851N also supports Napster, BBC iPlayer for radio, Aupeo! Pandora and Rhapsody.

AirPlay and optional Bluetooth
In addition to comprehensive streaming capabilities over LAN, Wi-Fi and USB, the 851N is also compatible with Apple's AirPlay streaming. Use it with your iPhone, iPad PC or Mac and wireless stream your iTunes library or other compatible music services. Connect up the optional BT100 dongle and you'll be able to stream your music from any smartphone, tablet or other device with Bluetooth built-in.

Built-in digital pre-amp - just add active speakers!
If you're seeking quality hi-fi from a minimal system then the built-in digital pre-amp will appeal. Simply add active speakers via the digital or analogue outputs and you'll be able to control the volume and balance via the Azur 851N.

Fully connected, including XLR balanced sockets and 5 USBs
When it comes to connectivity the 851N lives up to its 8-series 'reference' billing. The highlight is the fitment of XLR balanced sockets. When used with a compatible amplifier, such as the matching Cambridge Audio 851A, these connections give the ultimate link possible, with greatly improved resistance to interference. There are also AES/EBU balanced digital input/output sockets for the ultimate digital connections. Added to this there are no fewer than five USB interfaces! The front-mounted socket is ideal for connecting temporary devices such as USB media sticks. At the back, three interfaces take care of more permanently connected media devices plus the optional Bluetooth dongle port. A Type B asynchronous USB input is provided for the direct connection of your PC or Mac. This makes the ideal connection for hooking up your computer as it will effectively 'control' the PC's output for the best sound quality possible. This greatly reduces jitter and gives the highest quality sound possible from your computer audio. Finally, both optical and coaxial digital sockets are provided for both inputs (x2) and outputs. This lets you connect up other digital components and take advantage of the quality DAC built into the 851N.

Intuitive app interface and colour display
With a free Apple/Android app you have effortless control over the radio stations with the comfort of your iPhone/iPod Touch/iPad or Android device. The app also seamlessly manages all your streaming content and is, in effect, a very user friendly way of bringing together and controlling all your digital sources. Boasting a new colour screen, it's now possible to display album art on the player. This makes it a pleasure to browse for albums and artists by whichever control system you use.

Full metal casing with extensive damping
Using a full metal casing, with rounded edges, doesn't just look and feel good, it helps the sound, too. The case is rigid and well damped, meaning that it won't resonate unhelpfully. The thick aluminium front panel looks the part and also acts as a shield against electrical interference from sources such as dimmers and RF devices. All these details combine to create a network player that not only looks stylish but also offers exceptional resistance to both mechanical and electrical interference.

A first-rate performer in every respect, the flagship Cambridge Azur 851N network player is the audiophile's choice of streamer.

Click here for link to our blog review

We'll happily come to you!

Our experienced advisors are able to visit you at your home or place of work today, to help select the right equipment at the best prices.

6 Year Supercare £139.90

Add our Supercare to your basket when you check out. We'll cover your items for 6 years and give you your money back if unused.

Free UK delivery

Next day delivery and timed options available for online purchases of selected products. Please see checkout for further details.

Buy now, pay later For purchases over £500, pay a 10% deposit now and the balance in 6 months. Pay the balance in full before the end of the 6 months and there is no interest to pay whatsoever, just a one-off settlement fee of £29. Find out more

We offer 6 month interest free options. Call or ask in-store for details

Lowest price guaranteed! We're confident that our prices are amongst the very keenest out there, so we've made it as easy as pie to qualify for our Price Beat. Richer Sounds also guarantees to beat web prices, and Price Beat is even valid for 7 days after purchase, so if you've seen a cheaper price, let us know, and we'll happily beat that price by up to £100!

Products must be brand new, boxed, carry a comparable guarantee and be in stock at time of purchase. Richer Sounds price used to compare will be net of any voucher / trace in discounts.
T&Cs apply

We’ll beat any genuine advertised price, even from the web & give you up to £100!

"A premium music streamer with the performance to match" What Hi-Fi Award Winner 2017. Product of the Year.

Putting sound quality first

As Cambridge's range-topping network music payer you'd expect the Azur 851N to be pretty special under the lid, and that's exactly what it is! The highest quality sound comes from the use of audiophile quality components and tireless research and testing. As an 8-series design, the 851N uses a substantial toroidal power transformer at its centre. This enables clean, effortless power to be supplied to the other components, allowing them to give their best. High quality Analogue Devices AD1955 DACs (Digital to Analogue Convertors) are configured in dual-mono mode, ensuring maximum channel separation and precise sound-staging.

Fully equipped for High Resolution audio
At the heart of the 851N is a brand new Zander processor that facilitates 24-bit/192kHz file high resolution streaming from most methods - even Wi-Fi. On top of this, the 851N is compatible with a huge range of high resolution files, including ALAC, WAV, FLAC, AIFF, WMA, MP3, AAC, HE AAC, AAC+ and OGG Vorbis. The USB audio input also enables streaming of up to 24-bit/192kHz audio and even supports DSD streams from your computer. Originally designed for SACD players, DSD (Direct Stream Digital) encoded music files offer the same detailed, transparent sound as other high resolution file formats, giving you even greater choice of listening.

AFT2 Up-Sampling for the ultimate detail and least jitter
The Cambridge 851N improves sound quality still further with an Anagram Technologies AFT2 24 bit/384 kHz up-sampling circuit. ATF (Adaptive Time Filtering) up-sampling 'stretches' the music to give the highest resolution possible. Up-sampling sound gives a smoother, more relaxed sound quality with added detail. You'll also notice enhanced depth of sound and a more natural quality without the "edge" that can afflict digital music. You'll hear every detail, including every deep breath, squeaky chair and flutter of sheet music; in short, it's like being there for real! AFT2 even aids native 24-bit/192kHz recordings with a faster sampling rate for even less jitter.


What is ATF Upsampling Technology? Click here to learn more.


Connect to Internet radio and Spotify Connect
In addition to supporting over 20,000, easy to access Internet radio stations, the Azur 851N is also compatible with the most popular music streaming services. Spotify is the world's most popular streaming service and the Azur 851N has Spotify Connect integrated into it. If you subscribe to Spotify Premium, you can control the Cambridge with the powerful Spotify Connect app on your phone or tablet. Should you prefer other music services, the 851N also supports Napster, BBC iPlayer for radio, Aupeo! Pandora and Rhapsody.

AirPlay and optional Bluetooth
In addition to comprehensive streaming capabilities over LAN, Wi-Fi and USB, the 851N is also compatible with Apple's AirPlay streaming. Use it with your iPhone, iPad PC or Mac and wireless stream your iTunes library or other compatible music services. Connect up the optional BT100 dongle and you'll be able to stream your music from any smartphone, tablet or other device with Bluetooth built-in.

Built-in digital pre-amp - just add active speakers!
If you're seeking quality hi-fi from a minimal system then the built-in digital pre-amp will appeal. Simply add active speakers via the digital or analogue outputs and you'll be able to control the volume and balance via the Azur 851N.

Fully connected, including XLR balanced sockets and 5 USBs
When it comes to connectivity the 851N lives up to its 8-series 'reference' billing. The highlight is the fitment of XLR balanced sockets. When used with a compatible amplifier, such as the matching Cambridge Audio 851A, these connections give the ultimate link possible, with greatly improved resistance to interference. There are also AES/EBU balanced digital input/output sockets for the ultimate digital connections. Added to this there are no fewer than five USB interfaces! The front-mounted socket is ideal for connecting temporary devices such as USB media sticks. At the back, three interfaces take care of more permanently connected media devices plus the optional Bluetooth dongle port. A Type B asynchronous USB input is provided for the direct connection of your PC or Mac. This makes the ideal connection for hooking up your computer as it will effectively 'control' the PC's output for the best sound quality possible. This greatly reduces jitter and gives the highest quality sound possible from your computer audio. Finally, both optical and coaxial digital sockets are provided for both inputs (x2) and outputs. This lets you connect up other digital components and take advantage of the quality DAC built into the 851N.

Intuitive app interface and colour display
With a free Apple/Android app you have effortless control over the radio stations with the comfort of your iPhone/iPod Touch/iPad or Android device. The app also seamlessly manages all your streaming content and is, in effect, a very user friendly way of bringing together and controlling all your digital sources. Boasting a new colour screen, it's now possible to display album art on the player. This makes it a pleasure to browse for albums and artists by whichever control system you use.

Full metal casing with extensive damping
Using a full metal casing, with rounded edges, doesn't just look and feel good, it helps the sound, too. The case is rigid and well damped, meaning that it won't resonate unhelpfully. The thick aluminium front panel looks the part and also acts as a shield against electrical interference from sources such as dimmers and RF devices. All these details combine to create a network player that not only looks stylish but also offers exceptional resistance to both mechanical and electrical interference.

A first-rate performer in every respect, the flagship Cambridge Azur 851N network player is the audiophile's choice of streamer.

Click here for link to our blog review
More Information
Active Speaker No
Active Subwoofer Output No
Audio Inputs 6 (AES/EBU, coaxial x 2, optical x 2, USB)
Audio Outputs 4 (coaxial, optical, balanced XLR, unbalanced RCA)
Bluetooth Optional
Dimensions WxDxH 430 x 360 x 115
DLNA Compliant No
HDD No
HDMI No
Headphone Output No
High Resolution Audio Yes
Power Consumption - Standby 0.5
Pre Output Digital pre amp
Remote Control Yes
Smart Remote Control No
Smartphone control Yes
App Control Yes
Text Display yes
Tone Controls No
Tuner Radio Internet
Weight (KG) 8.1
Wi-Fi Built In yes
Wireless Connection Yes
XLR Balanced Outputs Yes
XLR Inputs AES/EBU Balanced
Brand Cambridge Audio
Colour Silver
Apple AirPlay Yes
Rated 5 out of 5 by from A revolution in music appreciation I have been hesitating for over two years about commencing 'streaming' - having been dissuaded by the prices of some of the competition. However, a failure of a 14 year old CD player resulted in the purchase of a Cambridge CXC CD deck and was told that "what you want now is the Azur 851N (as a suitable DAC) and you then have the best and most cost-effective digital streaming outfit on the market". It's true - my CD's sound immeasurably better; now that I am 'ripping' some of them to FLAC files the 851N brings even more 'life and presence' to the recordings and I am streaming radio without interruptions (FM radio here is "a bit iffey at times"). It was easy to set-up and, once I got my head around formatting (NTFS / FAT32 vs exFAT!!!) transferring ripped files and downloads for easy playing has become nothing but a pleasure. I should also commend the very prompt and helpful advice that I received from the Cambridge Audio 'on-line help team'!! Good stuff guys - old duffers like me need you; don't go away!
Date published: 2017-11-17
Rated 5 out of 5 by from Great Sound An update to my previous review 18 months ago. I was using this with a 651W power amp in a second system but then changed to an 851W and it is even better. I was so impressed that I did a direct comparison with my main system which had an expensive valve preamp and CD. The sound is so much clearer and free from noise so I bought another 851N. Final setup is: 851N, CXC, Audio Research 300.2 power amp, Monitor Audio PL200 speakers. Second system is 851N, CXC, 851W and MA PL100. Sound is top notch and shows how pure and detailed a fully digital set up is. CD, Internet radio, blu ray and TV, Airplay from iPhone and Mac all sound great. I highly recommend this as a pre-amp with a good power amp and no need for any analogue source any more.
Date published: 2017-09-12
Rated 5 out of 5 by from Neutral and natural sounding This is very nice bit of kit. Having listened to this and the CXN head to head it was obvious that the 851 has the edge. Everything is clearer, more natural, and unforced. I'm using it with a Copland power amp and Tannoy horn-loaded floorstanders. Soundstage is excellent and vocals are spine-tingling. Definitely best used with a wired Ethernet connection to ensure a stable signal, especially at higher bitrates. This is a serious streamer, up there with Linn and Naim definitely - looks awesome, too.
Date published: 2017-07-31
Rated 5 out of 5 by from Excellent streamer from Cambridge Audio Not only does the Cambridge 851n look great and have fantastic build quality it's sound quality really is amazing! One very happy customer!
Date published: 2017-03-20
Rated 5 out of 5 by from Happy so far I replaced a 25 year old system which died and wanted to come into the new century. I am a little troubled about buying something which is largely reliant on software - how long will it be supported and valid? I've no need analogue inputs so got a CXC, 851N and 651W power amp. I got the power amp first and was using it with an old analogue pre-amp but got frustrated with the hiss from the pre-amp. With the 851N as a pre-amp, the sound is wonderful, just pure music, unbelievably clear and pure, but I don't seem to get as much horsepower as I had with the analogue pre-amp. The volume control responds differently; I am using 50 to 70% settings whereas with analogue it would be 30%. I have not used servers or app yet. Internet radio is mixed quality but very convenient and good fun. Radio 3 sounds outstanding. The unit looks great - better than I had expected. Remote control is too small, too complex and tries to do too much. The buttons are too small for my big thumbs.
Date published: 2016-04-19
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£1,399
Network Music Player/Streamer is rated 5.0 out of 5 by 5.
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Buy in-store & take it home today! Find store details Buy by phone Call our UK based team on 0333 900 0093

We'll happily come to you!

Our experienced advisors are able to visit you at your home or place of work today, to help select the right equipment at the best prices.

6 Year Supercare £139.90

6 YEAR SUPERCARE COSTS JUST £9.99 ON ALL ITEMS UNDER £100, OR 10% OF PURCHASE PRICE ON ANYTHING OVER £100.

We think you’ll agree that our Supercare guarantee offers fantastic value. What’s more, if you don’t use our it in the 6 year period, we’ll refund the cost of it. You really can’t say fairer than that!
Plus, if we can’t fix a fault, we will give you a like-for-like replacement.
Find out full details here.

Add our Supercare to your basket when you check out. We'll cover your items for 6 years and give you your money back if unused.

Free UK delivery

Next day delivery and timed options available for online purchases of selected products. Please see checkout for further details.

Buy now, pay later For purchases over £500, pay a 10% deposit now and the balance in 6 months. Pay the balance in full before the end of the 6 months and there is no interest to pay whatsoever, just a one-off settlement fee of £29. Find out more

We offer 6 month interest free options. Call or ask in-store for details

Lowest price guaranteed! We're confident that our prices are amongst the very keenest out there, so we've made it as easy as pie to qualify for our Price Beat. Richer Sounds also guarantees to beat web prices, and Price Beat is even valid for 7 days after purchase, so if you've seen a cheaper price, let us know, and we'll happily beat that price by up to £100!

Products must be brand new, boxed, carry a comparable guarantee and be in stock at time of purchase. Richer Sounds price used to compare will be net of any voucher / trace in discounts.
T&Cs apply

We’ll beat any genuine advertised price, even from the web & give you up to £100!

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