Cambridge Audio 851E User Manual download pdf (Page 5)

851Eazur

ENGLISH

Mains Voltage Selector Switch:

100-120V/220-240V AC~50/60Hz

Power AC

Trigger Out

Trigger

In InIn Out

Rec Out

Sub Out

Rec InSource 7Source 6Source 5Source 4

Rec OutRec In Source 7 Source 6 Source 5 Source 4

RS232C

Control Bus IR Emitter

GND

On Off

Power

GND

azur 851E Pre-Amplifier

Rated Power Consumption: 36W

www.cambridge-audio.com

Designed and engineered in London, England

LeftRight

Source 3

LeftRight

Source 2

LeftRight

Source 1

LeftRight

Left Right

(Balanced) (Unbalanced)

(Balanced) (Unbalanced) (Balanced) (Unbalanced)

Pre Out

Rear panel connections

1 4

5 6

9 10 11 12

Power On/Off

Switches the unit on and off.

This product has APD (Auto Power Down) enabled as default. After

inactivity of 30 minutes, the product will automatically switch to Standby.

See later section for further details.

Mains Voltage Selector Switch

Switches the 851E mains voltage between 100-120V and 220-240V.

Note: Intended for use by a professional installer or Cambridge Audio

retailer only.

AC power socket

Once you have completed all connections to the unit, plug the AC power

cable into an appropriate mains socket then switch on. Your unit is now

ready for use.

RS232C

The RS232C port allows external serial control of the 851E, for use in a

custom installation. A full command set is available on the Cambridge

Audio website at www.cambridge-audio.com. This port can also be used

by Cambridge Audio service personnel for software updates.

Control Bus

In – Allows un-modulated commands from multi-room systems or other

components to be received by the unit.

Out – Loop out for Control Bus commands to another unit.

Also allows the 851E to turn on/off some Cambridge Audio units,

including the matching 851W power amplier. Refer to the 'Power

syncing' section of this manual for more information.

IR (Infra-Red) Emitter In

Allows modulated IR commands from multi-room systems or IR repeater

systems to be received by the unit. Commands received here are not

looped out of the Control Bus. Refer to the 'Custom installation' section

of this manual for more information.

Trigger In, Trigger Out 1 and 2

For custom install use, the 851E can be turned on and off (i.e. brought

in and out of Standby mode) by the presence of 5-12V DC at the Trigger

input. A trigger input or by turning the 851E on from the remote/front

panel will also produce an internally generated 12V DC trigger output

at the Trigger Out 1 and 2 connection. This can be used to turn on/

Standby a connected 851W power amplier if desired. Refer to the

'Power syncing' section of this manual for more information.

Source 1–3

Source 1–3 feature either unbalanced (phono/RCA) or balanced (XLR)

connections. Either type may be used but not both at the same time. The

balanced connection is the higher quality option and can reject noise

and interference in the cable when used with other equipment that

supports this function. An XLR connector is wired Pin 1 - Ground; Pin

2 - Hot (in-phase); Pin 3 - Cold (phase-inverted).

Pre Out

For connection to the balanced/unbalanced inputs of a power amplier.

Sub Out

Connect to the input on an active subwoofer if required.

Rec Out

Connect to the input sockets of your recording device.

Rec In (Source 8)

Connect to the output sockets of a Tape/MD player or other devices that

support recording.

Source 4–7

These inputs are suitable for any 'line level' source equipment such as

CD players, DAB or FM/AM tuners etc.

Note: These inputs are for analogue audio signals only. They should not

be connected to the digital output of a CD player or any other digital

device.

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Cambridge Audio 851E User Manual Page 5

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