CONNECTIONS
When designing our amplifiers we have tried to include features that allow you to connect your system in various ways. The inclusion of features such as
Basic connection
The diagram below shows the basic connection of your amplifier to a CD player and a pair of loudspeakers.
840A Class XD integrated amplifier
Tape connection
The diagram below shows how to connect the amplifier to a tape recorder or other source with a record and monitor connection.
Please note that either of the tape loop outputs can be used (as they are both the same signal in parallel).
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
+
Right
Right
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A
A
Loudspeaker Terminals
Impedance 4 - 8 ohms
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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| Keypad 2 | IR2 | IR4 |
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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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| 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
+
Right
Right
_
+
Right
Right
_
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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| 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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| 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
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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Manufactured in an
ISO9002 approved facility
Tape / MD Player
Rec In | Rec Out |
Azur Class XD integrated amplifier 11