CONNECTIONS (CONTINUED)
Speaker B connections
The Speaker B connections on the back of the amplifier allow for a second set of speakers to be used (i.e. speakers located in another room). The Speaker A/B button on the front panel allows this second set of speakers to be switched on and off.
Note: When using two pairs of speakers, use speakers with a nominal impedance of between
Preamp Out connections
The Preamp Out sockets are for connecting to the input sockets of a power amplifier or active subwoofer. The diagram below shows how to connect the amplifier to an active subwoofer via the Line In inputs on the subwoofer.
840A
Power
On | Off |
Power Rating: 230V AC ~ 50Hz
Max Power Consumption: 800W
Manufactured in an ISO9002 approved facility
Power AC 
N2409
Designed in London, England
azur 840A Class XD™ Integrated Amplifier
Caution Risk of electric shock. Do not open. Avis Risque de choc electrique. Ne pas ouvrir.
Achtung Vorm öffnen des gërates. Netzstecker ziehen.
+
Right
Right
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Right
Right
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A
A
Loudspeaker Terminals
Impedance 4 - 8 ohms
B
B
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| Input 1 Balanced Audio | GND | |||
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| Keypad 1 | IR1 | IR3 |
| Left | Right |
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Left | IR Emitter | Control Bus |
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_ | In | In | Out | RS232C | PSU |
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| In |
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| Keypad 2 | IR2 | IR4 |
| Left | Right |
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| Out Preamp | Out Tape | In Tape | 7 Input | 6 Input | 5 Input | 4 Input | 3 Input | 2 Input | 1 Input |
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+ | Left |
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| Preamp Out | Tape Out | Tape In | Input 7 | Input 6 | Input 5 | Input 4 | Input 3 | Input 2 | Input 1 |
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840A
Power
Designed in London, England
On | Off | azur 840A Class XD™ Integrated Amplifier |
www.cambridge-audio.com Power Rating: 230V AC ~ 50Hz
Max Power Consumption: 800W
Manufactured in an ISO9002 approved facility
Power AC 
Caution Risk of electric shock. Do not open.
Avis Risque de choc electrique. Ne pas ouvrir.
Achtung Vorm öffnen des gërates. Netzstecker ziehen.
N2409
Active subwoofer
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| Input 1 Balanced Audio | GND | |||
+ | A | + |
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| Keypad 1 | IR1 | IR3 |
| Left | Right |
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Right |
| Left | IR Emitter | Control Bus |
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_ | A | _ | In | In | Out | RS232C | PSU |
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| Loudspeaker Terminals |
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| Keypad 2 | IR2 | IR4 |
| Left | Right |
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| Impedance 4 - 8 ohms |
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| Out Preamp | Out Tape | In Tape | 7 Input | 6 Input | 5 Input | 4 Input | 3 Input | 2 Input | 1 Input |
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+ | B | + | Left |
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Right |
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_ | B | _ | Right |
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| Preamp Out | Tape Out | Tape In | Input 7 | Input 6 | Input 5 | Input 4 | Input 3 | Input 2 | Input 1 |
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840C | 840C |
Power
On | Off |
Mains Voltage Selector Switch
115V/230V AC~50/60Hz
Power AC 
N2409
azur 840C Upsampling Compact Disc Player
Max Power Consumption: 40W
Caution Risk of electric shock. Do not open.
Avis Risque de choc electrique. Ne pas ouvrir.
Achtung Vorm öffnen des gërates. Netzstecker ziehen.
| IR Emitter | Control Bus | |
RS232C | In | In | Out |
Designed in London, England
Digital Outputs | Digital Input 1 | Digital Input 2 | |||||||||||||
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| Class 1 Laser Product |
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| Luokan 1 Laserplaite |
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| Klass 1 Laserapparat |
S/P DIF |
| Toslink | S/P DIF | Toslink | S/P DIF | Toslink | |||||||||
| Optical | Optical | Optical | ||||||||||||
Unbalanced Audio Out | Balanced Audio Out | GND | ||
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| Left | Right |
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Left | Left |
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Right | Right |
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| Left | Right |
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Manufactured in an
ISO9002 approved facility
Power
On | Off |
Mains Voltage Selector Switch
115V/230V AC~50/60Hz
Power AC 
N2409
azur 840C Upsampling Compact Disc Player
Max Power Consumption: 40W
Caution Risk of electric shock. Do not open.
Avis Risque de choc electrique. Ne pas ouvrir.
Achtung Vorm öffnen des gërates. Netzstecker ziehen.
| IR Emitter | Control Bus | |
RS232C | In | In | Out |
Designed in London, England
Digital Outputs | Digital Input 1 | Digital Input 2 | |||||||||||||
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| Class 1 Laser Product |
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| Luokan 1 Laserplaite |
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| Klass 1 Laserapparat |
S/P DIF |
| Toslink | S/P DIF | Toslink | S/P DIF | Toslink | |||||||||
| Optical | Optical | Optical | ||||||||||||
Unbalanced Audio Out | Balanced Audio Out | GND | ||
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| Left | Right |
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Left | Left |
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Right | Right |
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| Left | Right |
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Manufactured in an
ISO9002 approved facility
12Azur Class XD integrated amplifier
