SAFETY PRECAUTIONS

Checking the Power Supply Rating

For your own safety please read the following instructions carefully before attempting to connect this unit to the mains.

Check that the rear of your unit indicates the correct supply voltage. If your mains supply voltage is different, consult your dealer.

This unit is designed to operate only on the supply voltage and type that is indicated on the rear panel of the unit. Connecting to other power sources may damage the unit.

This equipment must be switched off when not in use and must not be used unless correctly earthed. To reduce the risk of electric shock, do not remove the unit's cover (or back). There are no user serviceable parts inside. Refer servicing to qualified service personnel. If the power cord is fitted with a moulded mains plug the unit must not be used if the plastic fuse carrier is not in place. Should you lose the fuse carrier the correct part must be reordered from your Cambridge Audio dealer.

The lightning flash with the arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of un-insulated ‘dangerous voltage’ within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons.

The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance instructions in the service literature relevant to this

appliance.

This product complies with European Low Voltage (73/23/EEC) and Electromagnetic Compatibility (89/336/EEC) Directives when used and installed according to this instruction manual. For continued compliance only Cambridge Audio accessories should be used with this product and servicing must be referred to qualified service personnel.

The crossed-out wheeled bin is the European Union symbol for indicating separate collection for electrical and electronic equipment. This product contains electrical and electronic equipment which should be reused, recycled or recovered and should not be disposed of with unsorted regular waste. Please return the unit or contact the authorised dealer from whom you purchased this product for more information.

Plug Fitting Instructions (UK Only)

The cord supplied with this appliance is factory fitted with a 13 amp mains plug fitted with a 3 amp fuse inside. If it is necessary to change the fuse, it is important that a 3 amp one is used. If the plug needs to be changed because it is not suitable for your socket, or becomes damaged, it should be cut off and an appropriate plug fitted following the wiring instructions below. The plug must then be disposed of safely, as insertion into a 13 amp socket is likely to cause an electrical hazard. Should it be necessary to fit a 3-pin BS mains plug to the power cord the wires should be fitted as shown in this diagram. The colours of the wires in the mains lead of this appliance may not correspond with the coloured markings identifying the terminals in your plug. Connect them as follows:

The wire which is coloured BLUE must be connected to the terminal which is marked with the letter ‘N’ or coloured BLACK.

The wire which is coloured BROWN must be connected to the terminal which is marked with the letter ‘L’ or coloured RED.

The wire which is coloured GREEN/YELLOW must be connected to the terminal which is marked with the letter ‘E’ or coloured GREEN.

If your model does not have an earth wire, then disregard this instruction.

If a 13amp (BS 1363) plug is used, a 3amp fuse must be fitted, or if any other type of plug is used a 3amp or 5amp fuse must be fitted, either in the plug or adaptor, or on the distribution board.

4Azur upsampling compact disc player

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Cambridge Audio 840C user manual Safety Precautions, Checking the Power Supply Rating
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840C specifications

The Cambridge Audio 840C is a high-performance CD player and digital-to-analog converter (DAC) that has garnered attention from audiophiles and music lovers since its release. This player stands out for its blend of cutting-edge technology and elegant design, making it a sought-after component in many high-end audio systems.

One of the standout features of the 840C is its ability to handle a variety of digital sources. It includes inputs for USB, coaxial, and optical connections, allowing users to easily integrate it with their digital audio devices. This versatility ensures that the 840C can serve as a central hub for a modern audio setup, including direct connections to computers, tablets, and other digital sources.

At the heart of the 840C is Cambridge Audio's proprietary "ATF" (Adaptive Time Filtering) technology. This innovation upscales lower-resolution digital audio to 24-bit/192kHz, enhancing the overall sound quality and allowing listeners to experience their music in greater depth and detail. This technology, combined with a highly regarded Wolfson DAC, ensures that the 840C delivers exceptional audio performance that captures the nuance and dynamics of any musical genre.

The 840C also boasts a precision clocking system, which minimizes jitter – a common issue in digital audio that can compromise sound quality. By ensuring more accurate timing of the audio signal, the 840C creates a more coherent soundstage and improves the overall listening experience.

Another notable aspect of the 840C's design is its robust construction. Built with high-quality components and a solid chassis, this player not only minimizes internal vibration but also ensures durability. The aesthetically pleasing brushed aluminum finish adds to its appeal, allowing it to fit seamlessly into a variety of audio setups.

Audio enthusiasts will appreciate the 840C's user-friendly interface, which makes navigation through tracks, playlists, and settings straightforward. The remote control further enhances usability, offering quick access to essential functions.

In summary, the Cambridge Audio 840C is an exemplary piece of audio equipment that combines advanced technology with high-quality sound reproduction. Its versatile outputs, state-of-the-art DAC capabilities, robust design, and user-friendly operation make it an ideal choice for anyone looking to elevate their audio experience. Whether enjoying CDs or streaming high-resolution digital files, the 840C promises to satisfy even the most discerning listeners.
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