EVO ONE
All-in-One Wireless Streaming Speaker
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Technical Specifications
Digital to analogue converters Dual Analog Devices AD1955 24-bit DACs Digital filter Analog Devices Black Fin ADSP-BF532 32 bit DSP performing 2nd Generation ATF2 upsampling to 24-bit/384kHz. Linear Phase, Minimum phase or Steep modes. Analogue filter 2 Pole Fully Differential Linear Phase Bessel filter Digital input 1 S/PDIF 75 Ohms or TosLink optical Digital input 2 S/PDIF 75 Ohms or TosLink optical AES/EBU input XLR balanced 110 Ohms per phase USB audio input USB Type B conforming to Audio profile 1.0 or 2.0 (user selectable) Audio outputs Balanced XLR and unbalanced RCA analogue audio outputs Compatibility USB 1.0 16-24 bit, 32-96kHz USB 2.0 16-24 bit, 32-192kHz TosLink 16-24 bit, 32-96kHz S/PDIF and AES/EBU 16-24 bits 32-192kHz CD playback is intrinsically limited to 16-bits 44.1kHz THD (unweighted) @ 1kHhz 0dBFs < 0.0004% THD (unweighted) @ 1kHz -10dBFs < 0.0004% THD (unweighted) @ 20kHz 0dBFs < 0.0007% IMD (19/20kHz) 0dBFs < 0.0002% Linearity @ -90dBFs +/- 0.2dB Linearity @ -120dBF +/- 0.4dB Stop-band rejection (>24kHz) > 120dB Total correlated jitter < 60pS for all digital inputs, CD playback and USB 2.0 < 180pS for USB 1.0 Crosstalk @1kHz < -130dB Crosstalk @20 kHz < -114dB Output impedance < 50 Ohms 0dB Fs output 2.2Vrms (2.2Vrms each phase for the balanced output) Max. power consumption 40W Idle consumption 8W Standby power consumption <0.5W Colour Black or silver Dimensions (WxHxD) 430 x 115 x 360mm (16.9 x 4.5 x 14.7”) Weight 10.0Kg (22lbs) Gapless Playback? Yes In the box Azur 851C Upsampling DAC, CD Player & Preamplifier, Power Cable, 3 x AAA Batteries, Remote Control -
10 Reviews
So Under Rated... Brilliant Machine!
Read more Read lessResponse from
Dear Customer
Thank you for the valuable and positive review. At Cambridge Audio we focus our efforts and budget only on specs that make a real difference to the sound you hear and we are glad to know that you are satisfied with the build quality of the product.We hope it adds a whole new dimension to your music experience.Kind Regards
Cambridge Audio Customer Support.
Read more Read lessSuperb Sonic's and feature set.
I purchased this player a few months ago requiring a dedicated CD player after using a Blu-Ray player for awhile. Many years ago I owned the predecessor to the Azur 851C, the Azur 840C back in 2009. It was an excellent unit but had to sell it after awhile due to financial constraints at that juncture.
Fast forward to this year and after having "burned in" the 851C for about 50 to 60 hours initially...the sound began to even out...the balance between the frequency ranges established...very solid and wide soundstage but with clarity and detail.
I think it's critical to get at least 100 hours in before true critical listening can be done...the sound settles improves exponentially.
Build quality and finish is the excellent, my only quibble is the tray mechanism...it feels very light weight and it's not as smooth as I feel it should be when looking at the solid build of the chassis and overall solidity of the player. My tray vibrates quite a bit when closing...perhaps Cambridge could let me know if this can be remedied.
Feature set is still very good...considering the player was introduced in 2012, digital inputs, XLR, Co-ax, AES, USB and balanced and single ended outputs.
I definitely recommend this player for sound, overall solidity and build quality and the flexibility as a digital Pre-Amp and DAC.Read more Read lessResponse from
Dear Customer
Thank you for taking out time to review Azur 851C.We are pleased to know that you are happy with its build quality and the sound it offers.For the issues that you are facing with the tray I would suggest you please get in touch with one of our support agents via the support inquiry form here: https://www.cambridgeaudio.com/support-query/melomaniaand someone will get back to you shortly to assist in troubleshooting your issue further.Kind Regards
Cambridge Audio Customer Support
Read more Read lessversatile in every way
I bought this player a few years ago and use(d) it mainly as a cd-player. This player changes sound into musicality, that's for sure.. what I discovered lately is that the digital pre-amp is very good, actually, after a very good support of the Cambridge Audio support-team I even found out that I can use the RCA output to drive an active subwoofer whilst the XLR output goes directly to the power amp. great feature ! I also use the usb input, connected with the laptop and the driver downloaded from the Cambridge Audio-site and it works flawless, only good points for this unit, it's a keeper
Read more Read lessResponse from
Dear Customer
Thank you for taking the time and reviewing Azur 851C and for your trust in Cambridge Audio.We love hearing from satisfied customers such as yourself. We are glad to know that you are happy with the features and the sound quality that the product provides and hope that you enjoy years of listening happiness.Kind Regards
Cambridge Audio Customer Support
Read more Read lessIt's fine but I want to use it more.
Good evening, please, what small active speakers would fit this CD player? The room where I have a bike simulator is about 4 x 3 meters. Well thank you.
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I had the Azur 851Cs predesessor, it was great, used it for 15 years, I bought the 851c because the 841 developed a small fault, later easily fixed... Anyway I was usekng a 1000euro preamp with the 841c, and to begin with continued with it, I then tried the internal DSP preamp kn the 851c... WOW! Detail, SoundStage and Pressence ALL took a very noticeable increase in quality... Fantastic Player... why are Cambridge phaseing it out?.. things I would loved to have added, headphone output and DSP Tone Controls.