540A/640A V2.0 Integrated amplifier

TECHNICAL SPECIFICATIONS

 

540A V2.0

 

640A V2.0

Power output

60 watts (into 8)

Power output

75 watts (into 8)

 

90 watts (into 4)

 

120 watts (into 4)

THD (unweighted)

<0.002% @ 1kHz, of rated power

THD (unweighted)

<0.002% @ 1kHz, of rated power

 

<0.070% 20Hz - 20kHz, of rated power

 

<0.050% 20Hz - 20kHz, of rated power

 

<0.025% 20Hz - 20kHz @ 10w

 

<0.020% 20Hz - 20kHz @ 10w

Frequency response (-1dB)

5Hz - 50kHz

Frequency response (-1dB)

5Hz - 50kHz

S/N ratio (ref 1w)

>85dB

S/N ratio (ref 1w)

>90dB

Input impedances

47kohms

Input impedances

47kohms

Power Amp damping factor

>100

Power Amp damping factor

>100

Max power consumption

650w

Max power consumption

700w

Min/On power consumption

<35w (no signal)

Min/On power consumption

<35w (no signal)

Standby power consumption

<10w

Standby power consumption

<10w

Bass/Treble controls

Shelving, ultimate boost/cut + /-7.5dB

Bass/Treble controls

Shelving, ultimate boost/cut + /-7.5dB

 

@ 20Hz and 20kHz

 

@ 20Hz and 20kHz

Dimensions

100 x 430 x 310mm

Dimensions

100 x 430 x 310mm

 

(3.9 x 16.9 x 12.2”)

 

(3.9 x 16.9 x 12.2”)

Weight

7.4kg (16.3Lbs)

Weight

7.4kg (16.3Lbs)

Azur integrated amplifier 17

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Cambridge Audio user manual Technical Specifications, 540A 640A

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.