background image

851D

azur

7

ENGLISH

The 851D is supplied with a Cambridge Audio 

System  remote  control  that  operates  both  this 

upsampling DAC/digital pre-amp and Cambridge 

Audio  851  series  and  Stream  Magic  products. 

Insert the supplied AAA batteries to activate.  
The functions relevant to the 851D are as follows:

1. Standby/On 

Switches the 851D between On and Standby mode.

2. Mute 

Mutes  the  audio  on  the  pre-amplifier.  The  mute 

mode is indicated by MUTE appearing and the 

volume level being replaced by two flashing dashes 

in the display. Press again to cancel mute.

3. Bright 

Adjust the backlight of the front panel display; 

bright, dim or off. 

4. Headphone volume 

Increase or decrease the volume of the headphone 

output.  

5. Home 

Press to return to main menu. 

6. Volume 

Increase or decrease the volume of the pre-

amplifier output. 

7. Back 

Press to go back to the previous menu item.

8. Navigation buttons 

Press to navigate around the main menus.

9. Illuminate button 

Press to illuminate the buttons on the remote.

10. Source buttons

D1-D6:

 Press the corresponding source button to 

select the digital source inputs.

Bluetooth  (BT100):

 Press to select bluetooth 

source input using the BT100 dongle. To pair 

devices, press and hold for a few seconds to initiate 

the pairing function. 

Note:

 Disconnect one device before pairing 

another, or turn the Bluetooth function off from the 

currently connected device before pairing another.

 USB (PC):

 Press to select the USB audio source 

input.
See later sections for more details.

11. Trigger

Press to override the current trigger output state, for example to turn a 

power amplifier or projector on or off.

12. Filter/

ø

Press  to  cycle  through  different  digital  filter  phase  modes:  Linear, 

Minimum, Steep, Linear inverted, Minimum inverted and Steep inverted. 

The  corresponding  LED  will  light  up  to  show  which  filter  has  been 

selected. These affect the analogue outputs only. See later section for 

more details.

The  following  functions  are 

available via USB and Bluetooth 

playback.

Note:  These  functions  will  depend  on  the 

audio software installed on the host personal 

computer or paired devices.

13. Play / Pause 

Press the relevant button to play or pause a 

track.

14. Skip 

Right Skip

 (

) – Press once to skip forward 

by one track on the playlist. 

Left Skip

 (

) – Press once to skip backward 

by one track on the playlist.

Remote control

1

2

3

4

5

7

6

14

14

8

9

13

6

10

11

12

Summary of Contents for 851D

Page 1: ...Your music our passion 851D azur Upsampling DAC Digital Pre Amp User s manual 2 ENGLISH...

Page 2: ...d to a mains socket outlet with a protective earthing connection The unit must be installed in a manner that makes disconnection of the mains plug from the mains socket outlet or appliance connector f...

Page 3: ...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 fa...

Page 4: ...EXCLUSIVE REMEDY OF THE CONSUMER CAMBRIDGE AUDIO SHALL NOT BE LIABLE FOR ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR BREACH OF ANY EXPRESS OR IMPLIED WARRANTY IN THIS PRODUCT EXCEPT TO THE EXTENT PRO...

Page 5: ...on the digital outputs Coaxial To obtain best results use a high quality 75 ohm digital RCA interconnect cable not one designed for normal audio use Toslink Optical Use a high quality TOSLINK fibre op...

Page 6: ...tively pressing the Filter button on the remote will cycle through different digital filter phase modes Linear Minimum Steep Linear inverted Minimum inverted and Steep inverted Alternative digital fil...

Page 7: ...ource inputs Bluetooth BT100 Press to select bluetooth source input using the BT100 dongle To pair devices press and hold for a few seconds to initiate the pairing function Note Disconnect one device...

Page 8: ...cted to the 851A via the Balanced ouput 851A 851D StreamMagic 6 PC USB connection The diagram below shows the USB audio input connection from a personal computer using a type A B USB lead to your 851D...

Page 9: ...f the manual Note When connecting to an 851W Unbalanced connection can also be used if preferred 851D 851W Control Bus connection Control Bus is the recommended method when using the 851D and other Ca...

Page 10: ...and play In this configuration the 851D is able to work at up to 24 bit 96kHz by declaring to your computer that it can handle any sample rate from 32kHz to 96kHz However in some Windows Mac operating...

Page 11: ...where one speaker is further away than the other or the source material itself has a channel imbalance Front IR Used in conjunction with Custom Installation C I systems or IR repeater systems It may...

Page 12: ...internal feed forward in the DSP its impulse response will exhibit some pre ringing In other words when excited with a theoretical impulse the output has both a small amount of pre and post spike amp...

Page 13: ...ion of close in aliasing images Here we have traded a little attenuation of the very highest frequency response 2dB at 20kHz for 44 1kHz material and a little more pre and post ringing for a very stee...

Page 14: ...pt held down for a further 12 seconds an amplifier player Off command is generated 2 Press and hold the Mute button The remote first generates it s mute toggle command Keep the button held down after...

Page 15: ...bit 44 1kHz 48kHz 88 2kHz 96kHz 176 4kHz 192kHz Toslink 16 24 bit 32 192kHz BNC S PDIF and AES EBU 16 24 bit 32 192kHz Line level balanced output Frequency response 20Hz to 20kHz 0 1dB THD 1Khz 0dBFs...

Page 16: ...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 2013 Cambridge Audio Ltd...

Reviews: