Cambridge Audio 640Razur user manual Introduction, Before connecting

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Introduction

Thank you for purchasing this Cambridge Audio Azur range AV receiver. The 640R is designed for excellent multi-channel surround-sound performance without compromising on music reproduction.

As such, the seven 100W audiophile grade fully discrete amplifiers are kept as separate as possible from the processing and input stages and feature a large power supply with a low flux toroidal transformer. This careful design of the amplifier stages ensure that the 640R can reproduce the dynamics and scale required for modern movie soundtracks whilst also being able to reproduce a genuinely musical performance with either stereo or multi-channel music sources.

A full range of digital and analog inputs are fitted. Digital inputs allow for the connection of suitably equipped DVD players, satellite/set-top boxes and games consoles for decoding into stereo, stereo + sub or various digital surround formats. The latest formats are supported including Dolby Digital and DTS in 5.1, 6.1 or 7.1 variants. The 640R is also capable of decoding encoded analog or digital stereo sources in Dolby Pro Logic® II or IIx and DTS Neo:6, again in 5.1, 6.1 or 7.1 variants for a convincing and effective surround experience from a matrix encoded stereo source. Sophisticated post-processing of 5.1 or 6.1 digital material is also possible with PLIIx or DTS Neo:6 to turn these formats into 6.1 or 7.1.

Conventional analog stereo inputs allow the connection of audiophile CD players and the like, and an Analog Stereo Direct mode ensures the very best possible stereo reproduction for these.

The 640R also carries a 5.1 / 6.1 / 7.1 channel analog input. This feature allows for the connection of a DVD Audio or SACD player equipped with a 5.1 output and is compatible with future external 6.1/7.1 audio formats.

As well as the full complement of audio inputs, the 640R also performs Composite, S-Video and Component Video input switching and transcoding. The component video inputs and outputs are progressive scan and HDTV compatible and the unit features full On-Screen Display (OSD) on all analog video outputs. Transcoding allows composite video and/or S-Video to be converted to Component video for a simpler interface to the TV/Monitor.

In addition HDMI switching allows the very latest DVD players and Set-top boxes to be routed through the 640R to the TV/Monitor allowing direct digital transfer of high definition video for the very best picture quality.

Multi-Room compatibility is featured in the form of A-BUS ReadyTM/Incognito ReadyTM outputs for either Cambridge Audio Incognito keypads (and power supply) or other manufacturers products compatible with the A-BUS standard. This allows a 2 or 3 zone multi- room system to be easily constructed, second and third zone video outputs mean the remote rooms can even have video capability.

An RS232 port, IR Emitter In and Control Bus In/Out also make it easy to integrate the 640R into a Custom Install situation.

All this proprietary engineering is housed within our low resonance, acoustically damped chassis. An Azur Navigator remote control is also provided, giving full remote control of your AV receiver in an attractive and easy to use handset.

Remember your 640R can only be as good as the system it is connected to. Please do not compromise on your source equipment, speaker package or video and audio cabling. Naturally we particularly recommend DVD/CD players or other source equipment from the Cambridge Audio Azur range, which have been designed to the same exacting standards as our receivers. Your dealer can also supply excellent quality Cambridge Audio interconnects to ensure your system realises its full potential.

Thanks for taking the time to read this manual, we do recommend you keep it for future reference.

Matthew Bramble

Technical Director

azur

640R

 

Before connecting

 

 

The process of setting up the 640R is first to make all the connections

ENGLISH

to your speakers and source equipment and then set the unit up via its

 

On-Screen Display (OSD), as there are various settings and adjustments that need to be made before the 640R can be used.

However before you actually decide which connections to make or perform any adjustments it is strongly advised that you read through the ‘640R setup’ section of this manual first, starting on page 14.

A lot of explanation is included that will help you to choose the right connection types for both your sources and TV.

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Contents Azur 640R Contents Introduction Before connectingSafety precautions Limited warrantyImportant safety instructions Front panel controls Rear panel connections Remote control Loudspeaker connections Front panel displayDigital audio connections Analog audio connectionsGames console Video connectionsHdmi connections TV/MonitorDVD-A player or Sacd multi-channel player 5.1 connections Power amplifier6.1/7.1 Direct Preamp outAM loop aerial Front input connectionsAerial connections FM aerialSpeaker configuration 640R setupSpeaker delay Source setup Level calibrationAudio connection type Video connection type Assigning any Hdmi or DVI sourcesOther modes Surround sound modesSelecting the desired listening mode Operating instructionsSelecting the source PCM + Plii Movie Decode modes 5.1 speaker setupKey Pro Logic/Neo Dolby Digital DSP Surround DTS Surround ModesPCM + PLIIx Movie Decode modes 6.1 speaker setupDecode modes 7.1 speaker setup Storing stations ProLogic IIx adjustmentsUsing the Tuner Dynamic Range ControlInput naming Audio split modeTone/Sub/LFE configuration Recorder 1OSD setup Video ComponentComponent Multi-room connections Custom installation C.I. use Reset/Back-up memoryTroubleshooting Decoding modes supported Technical specificationsAudio GeneralDTS AP20060/2-A

640Razur specifications

The Cambridge Audio 640R is a high-fidelity AV receiver that has gained recognition for its remarkable performance and sophisticated features. Engineered to deliver a premium audio experience, this receiver excels in both music and home theater applications.

One of the standout features of the 640R is its ability to handle a wide range of audio formats. With support for advanced surround sound formats such as Dolby TrueHD and DTS-HD Master Audio, the receiver is capable of producing high-definition audio that enhances the clarity and detail of films and music. The 640R also supports standard formats like Dolby Digital and DTS, making it highly versatile.

At the heart of the 640R is Cambridge Audio's proprietary components, including high-quality capacitors and resistors, designed to minimize noise and distortion. This ensures that the audio output remains clean and transparent, providing a true representation of the source material. The receiver offers a robust power output, ensuring effortless dynamic range and delivering impactful sound, whether it's a subtle dialogue or explosive action scenes.

Another key feature of the Cambridge Audio 640R is its extensive connectivity options. It boasts multiple HDMI inputs, allowing users to connect various devices such as Blu-ray players, gaming consoles, and streaming devices. Additionally, the receiver supports HDMI video scaling, enabling the upscaling of standard definition signals to 1080p, which enhances the viewing experience on high-definition screens.

The 640R also includes multiple analog and digital inputs, ensuring compatibility with legacy devices alongside modern technology. A dedicated preamp output allows for the addition of external amplifiers, enhancing the system's scalability for audiophiles looking to create a bespoke setup.

Moreover, the Cambridge Audio 640R features an intuitive user interface and remote control, making it user-friendly even for those new to home audio systems. The on-screen display simplifies the selection of sources and adjustment of settings, while the advanced configuration options allow for precise customizations.

In summary, the Cambridge Audio 640R stands out as an exceptional AV receiver, combining audiophile-grade components with modern features. With its powerful performance, advanced surround sound capabilities, and extensive connectivity, it caters to both music lovers and home theater enthusiasts, making it a compelling choice for anyone looking to enhance their audio experience.
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