INSTALLATION

Please take a moment to read these notes before installing your amplifier, they will enable you to get the best performance and prolong the life of the product.

The unit requires ventilation above and below. Do not situate it on a rug or other soft surface and do not obstruct the air inlet and outlet grilles on the underside and top cover. Do not place in an enclosed area such as a bookcase or in a cabinet.

This unit must not be exposed to dripping or splashing water or other liquids. No objects filled with liquid, such as vases, shall be placed on the unit. In the event, switch off immediately, disconnect from the mains supply and contact your dealer for advice.

Ensure that small objects do not fall through any ventilation grille. If this happens, switch off immediately, disconnect from the mains supply and contact your dealer for advice.

Do not route the power cable so that it can be walked upon or damaged by other items near it.

Electronic audio components have a running in period of around a week (if used several hours per day). This will allow the new components to settle down, the sonic properties will improve over this time.

It is recommended that when bi-amping, the same type power amplifiers are used.

This amplifier has been designed to be left in Standby mode when not in use, this will increase the life of the amplifier (this is true with all electronic equipment). If you do not intend to use this unit for a long period of time, unplug it from the mains socket.

540A/640A Integrated amplifier

To clean the unit, wipe its case with a moist, lint-free cloth. Do not use any cleaning fluids containing alcohol, ammonia or abrasives. Do not spray an aerosol at or near the amplifier.

These units are not user serviceable, never attempt to repair, disassemble or reconstruct the unit if there seems to be a problem. A serious electric shock could result if this precautionary measure is ignored. In the event of a problem or failure, please contact your dealer.

This unit should be installed on a sturdy, level surface. Due to stray magnetic fields turntables should not be located nearby due to interference.

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Cambridge Audio 540A user manual Installation

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.