1. DL manuals
  2. Cambridge Audio
  3. Music Mixer
  4. AZUR 851C
  5. User Manual

Cambridge Audio AZUR 851C User Manual

Other manuals for AZUR 851C: Quick Start Manual
Manual is about: How to configure a basic system

Summary of AZUR 851C

  • Page 1

    Your music + our passion 851c azur cd/dac/pre user’s manual 2 english.

  • Page 2

    Contents thank you for purchasing the azur 851c upsampling compact disc player / dac / digital preamp. The 8 series range is fundamental to our commitment to the continual development of the azur range. We hope that you will appreciate the results and enjoy many years of listening pleasure from it. ...

  • Page 3

    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....

  • Page 4

    Ventilation important – the unit will become hot when in use. Do not stack multiple units on top of each other. Do not place in an enclosed area such as a bookcase or in a cabinet without sufficient ventilation. Ensure that small objects do not fall through any ventilation grille. If this happens, s...

  • Page 5

    Rear panel connections power on/off switches the 851c on and off. Mains voltage selector switch (cu version only) switches the 851c mains voltage between 100v and 115v. Note: for use by cambridge audio service personnel only! Power socket once all other connections are made, connect the supplied pow...

  • Page 6

    6 front panel controls standby/on switches the 851c between standby mode and on. Standby is a low power mode where the consumption is less than 0.5w. The 851c can be left in standby mode when not in use. Menu press to enter the 851c's setup menus. Various 851c operating parameters can be configured....

  • Page 7

    851c azur 7 english remote control the 851c is supplied with an azur navigator remote control handset that duplicates the front panel control functions and is also able to control azur series amplifiers. The supplied aaa batteries must be fitted before the remore control can be used. The azur handse...

  • Page 8

    8 operating instructions once all the required input and output connections are made, the 851c can be switched on using its rear panel power switch and front panel or handset standby/on button. The amplifier to which the 851c is connected should also be switched on, the appropriate input selected, a...

  • Page 9

    851c azur 9 english usb 'b-a' type lead using digital inputs the 851c is fitted with four digital inputs for the connection of external digital sources. When a digital input is selected, digital audio from external devices will be up-sampled and delivered to the 851c analogue outputs. The digital ou...

  • Page 10

    10 operating instructions cont. Advanced usb audio the 851c is both usb 2.0 (hi-speed) and usb 1.1 (full-speed) usb port compatible. It should also work with the new usb 3.0 ports where the pc will simply treat the 851c as if it were a usb 2.0 or 1.1 device. The 851c also supports two usb audio prot...

  • Page 11

    851c azur 11 english or phone/rca cable xlr cable digital pre-amp mode the 851c can optionally be used as a digital pre-amp and connected directly to a suitable power-amp. Before making this connection access the 851c's digital volume menu by pressing the menu button then using the  and  buttons t...

  • Page 12

    12 operating instructions cont. Filters the 851c dsp has three different filter functions: linear phase, minimum phase and steep. All three filters are highly sophisticated audiophile topologies, optimised specifically for audio playback. In our opinion, these filters offer excellent sound quality b...

  • Page 13

    851c azur 13 english steep filter magnitude (db) frequency response frequency/fs (input sampling rate) -80 -60 -40 -20 0 20 -200 -180 -160 -140 -120 -100 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 steep filter linear phase filter our steep filter is a linear phase filter that has been optimised for sto...

  • Page 14

    14 the 851c incorporates a control bus input and output that enables un- modulated handset commands (positive logic, ttl level) to be received electrically by the unit and looped to another unit if desired. These control commands are typically generated by custom installation (multi- room) systems o...

  • Page 15

    851c azur 15 english technical specifications all measurements are for 24-bit signals via the digital inputs so as not to be source material limited unless stated. D/a converters dual analog devices ad1955 24-bit dacs digital filter analog devices black fin adsp-bf532 32-bit dsp performing 2nd gener...

  • Page 16

    Cambridge audio is a brand of audio partnership plc registered office: gallery court, hankey place london se1 4bb, united kingdom registered in england no. 2953313 www.Cambridge-audio.Com © 2012 cambridge audio ltd ap2 495 1/4.