540A/640A V2.0 Integrated amplifier

Speaker B connections

The Speaker B connections on the back of the amplifier allow for a second set of speakers to be used (ie speakers located in another room). The Speaker 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 6-8 ohms each.

Pre-Out connections

The Pre-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.

Amplifier

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Amplifier

 

 

 

 

 

Power

 

CAP5

 

 

 

 

 

 

 

 

 

 

Multi-Room

IR1

IR3

azur 640A Integrated Amplifier V2.0

 

 

 

 

 

Power

 

Designed in London, England

 

 

Protection LED

 

ohms 8

- 4 Impedance

 

 

 

 

 

 

 

 

 

 

Designed in London, England

 

 

 

 

 

www.cambridge-audio.com

 

 

indicators:

 

 

 

 

 

 

 

 

 

 

Control Bus

 

www.cambridge-audio.com

 

 

 

 

 

 

On

 

Off

 

 

Right

A

Left

Right

B

Left

 

IR Emitter

PSU

Keypad 1

Keypad 2

 

 

 

 

 

 

On

 

 

 

Off

Max Power Consumption: 700W

 

 

Fault requiring

 

 

 

 

 

 

In

In

 

 

 

 

In

Out

Max Power Consumption: 700W

 

 

 

 

 

 

 

 

 

service (DC)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Mains Voltage Selector Switch

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Mains Voltage Selector Switch

 

 

115V/230V AC~50/60Hz

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

115V/230V AC~50/60Hz

 

Caution

 

 

Over temperature

 

 

 

 

 

 

 

 

 

 

IR2

IR4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Risk of electric shock. Do not open.

 

 

Temporary overload

 

 

 

 

 

Out-Pre

In Tape

1 Out Rec

2 Out Rec

MP3 / DMP

DVD

DAB / Tuner

CD

Aux

 

Caution

 

 

 

Avis

 

 

 

 

 

 

 

 

 

 

 

 

Risk of electric shock. Do not open.

 

 

Risque de choc electrique. Ne pas ouvrir.

Power AC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Avis

 

 

 

Achtung

 

Loudspeaker short

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Risque de choc electrique. Ne pas ouvrir.

Power AC

Vorm öffnen des gerätes. Netzstecker ziehen.

 

 

 

 

 

 

Left

 

 

 

 

 

 

 

 

Left

 

Achtung

 

 

 

 

 

Vol

Auto

 

 

 

 

 

 

 

 

 

 

 

 

Vorm öffnen des gerätes. Netzstecker ziehen.

 

 

 

Clipping

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Please refer to

Right

A

Left

Right

B

Left

Right

 

 

 

 

 

 

 

 

Right

 

your User's Manual

 

 

 

 

 

 

 

 

Manufactured in an

for more information

 

 

Impedance 4 - 8 ohms

 

 

 

 

 

 

 

 

 

 

 

Manufactured in an

ISO9002 approved facility

 

 

 

Loudspeaker Terminals

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Pre-Out

Tape In

Rec Out 1

Rec Out 2

DMP / MP3

DVD

Tuner / DAB

CD

Aux

ISO9002 approved facility

 

 

 

 

 

Important

 

 

 

 

 

 

 

 

 

 

 

 

N1863

Please ensure that loudspeaker terminals are fully tightened

 

Veuillez s'assurer que les bornes de l'enceinte sont entièrement serrées

Caution Risk of electric shock. Do not open. Avis Risque de choc electrique. Ne pas ouvrir. Achtung Vorm öffnen des gërates. Netzstecker ziehen.

CAP5

Protection LED indicators:

Fault requiring service (DC)

Over temperature

Temporary overload

Loudspeaker short

Vol Auto

Clipping

Please refer to

your User's Manual for more information

N1863

 

 

ohms 8

- 4 Impedance

 

 

Right

A

Left

Right

B

Left

Right

A

Left

Right

B

Left

Impedance 4 - 8 ohms

Loudspeaker Terminals

Important

Please ensure that loudspeaker terminals are fully tightened

Veuillez s'assurer que les bornes de l'enceinte sont entièrement serrées

Active subwoofer, etc

 

 

 

 

Multi-Room

IR1

IR3

azur 640A Integrated Amplifier V2.0

 

 

 

 

 

 

 

 

IR Emitter

PSU

Keypad 1

Keypad 2

 

 

Control Bus

 

In

In

 

 

 

 

In

Out

 

 

 

 

 

IR2

IR4

 

 

Out-Pre

In Tape

1 Out Rec

2 Out Rec

MP3 / DMP

DVD

DAB / Tuner

CD

Aux

Left

 

 

 

 

 

 

 

Left

Right

 

 

 

 

 

 

 

Right

Pre-Out

Tape In

Rec Out 1

Rec Out 2

DMP / MP3

DVD

Tuner / DAB

CD

Aux

Caution Risk of electric shock. Do not open. Avis Risque de choc electrique. Ne pas ouvrir. Achtung Vorm öffnen des gërates. Netzstecker ziehen.

CD Player

 

CD Player

 

 

 

Class 1 Laser Product

 

Class 1 Laser Product

 

 

 

 

 

 

 

Luokan 1 Laserplaite

Output Line

Output Line

 

 

Klass 1 Laserapparat

Designed in London, England

Luokan 1 Laserplaite

 

 

 

Klass 1 Laserapparat

 

Mains Voltage Selector Switch (50 / 60Hz)

 

Control Bus

IR Emitter

 

 

Digital Outputs

 

 

Control Bus

IR Emitter

 

Digital Outputs

 

In

Out

In

 

Left

azur 640C Compact Disc Player V2.0

Mains Voltage Selector Switch (50 / 60Hz)

 

 

On Power

Off

Left

 

In

Out

In

Left

Left

 

 

 

 

 

 

Max Power Consumption: 18W

 

On Power

Off

 

 

 

 

 

 

 

 

 

 

 

 

 

Designed in London, England

azur 640C Compact Disc Player V2.0

Max Power Consumption: 18W

 

Caution

Risk of electric shock

 

 

Right

Do not open

 

 

Right

Risque de choc electrique

Right

Right

Caution

Risk of electric shock Do not open

Avis

Ne pas ouvrir

Avis

Risque de choc electrique Ne pas ouvrir

 

 

Line Output

S/P DIF

Toslink

 

Achtung

Vorm offnen des gerates

 

 

 

Line Output

S/P DIF

Toslink

 

Power AC

Co-axial

Optical

 

Netzstecker ziehen

 

 

 

 

 

 

 

 

 

 

 

 

Power AC

Co-axial

Optical

 

Manufactured in an

 

 

 

www.cambridge-audio.com

 

 

Manufactured in an

 

 

 

ISO9002 approved facility

 

 

 

 

 

 

 

 

ISO9002 approved facility

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Achtung Vorm offnen des gerates Netzstecker ziehen

www.cambridge-audio.com

Azur integrated amplifier 9

Page 9
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Cambridge Audio 640A, 540A user manual Speaker B connections, Pre-Out connections

640A, 540A specifications

Cambridge Audio has established itself as a formidable force in the realm of high-fidelity audio equipment, and the 540A and 640A amplifiers exemplify the company's commitment to delivering exceptional sound quality at a competitive price point. These integrated amplifiers, known for their detailed sound reproduction and robust performance, cater to audiophiles who appreciate both quality and value.

The Cambridge Audio 540A is part of the company's entry-level range, designed for music enthusiasts seeking an affordable yet high-performance amplifier. The 540A boasts a powerful 50 watts per channel output, allowing it to drive a variety of speaker types with ease. The design emphasizes simplicity and user-friendliness, featuring straightforward controls and a sleek finish that fits well in any audio setup.

One of the standout features of the 540A is its dual-mono circuit design. This architecture minimizes crosstalk and signal interference, allowing for a cleaner, more precise sound. It also incorporates high-quality components, including a toroidal transformer, which contributes to improved efficiency and reduced distortion. Additionally, the amplifier features a range of inputs, including multiple line-level options, making it versatile enough to accommodate various audio sources such as CD players, turntables, and streaming devices.

On the other hand, the 640A is an upgrade that builds upon the strengths of the 540A. With a more powerful output of 75 watts per channel, the 640A is designed for users who demand more from their audio systems. This amplifier incorporates an improved power supply and enhanced components, further refining the sound quality. The 640A also introduces features such as a high-quality phono stage, enabling direct connection to turntables without the need for separate equipment.

Both amplifiers incorporate Cambridge Audio's dedication to quality with a focus on analog circuitry. This is particularly evident in the warm, rich sound signature that these amplifiers provide, making them ideal for a range of music genres. The build quality is robust, with a solid chassis designed to reduce vibration and resonance, ensuring a stable platform for audio performance.

In summary, the Cambridge Audio 540A and 640A amplifiers offer a compelling combination of sound quality, versatile connectivity options, and robust design. Whether you are an entry-level audiophile or a seasoned listener looking for an upgrade, these amplifiers provide an engaging listening experience that highlights the nuances and details of your favorite music. With Cambridge Audio's unwavering focus on high-fidelity sound, both models are captivating choices that continue to impress users worldwide.