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| Cambridge Audio 640R 7.1 HDMI A/V Receiver |  | 
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FREE 3 DAY SHIPPING! (When ordering, use coupon code: free3day)
The Cambridge Audio 640R 7.1 multi-channel home cinema receiver is a remarkable piece of equipment which uses the company’s legendary build quality and then embraces the latest HDMI technology to produce a truly great home cinema receiver. The 640R produces an all round multi-channel surround sound performance whilst maintaining Cambridge Audio’s renowned musical reproduction.
The key to this musical performance is the seven 100W audiophile grade fully discrete amplifiers which are kept as separate as possible from the processing and input stages. This considered amplifier design ensures that the 640R can reproduce the dynamics and scale required for modern film soundtracks whilst also being able to produce a genuinely musical performance with either stereo or multi-channel music sources.
Cambridge Audio is always at the vanguard of embracing innovation and the 640R allows HDMI DVD players and set-top boxes to be routed to a TV or monitor. This enables direct digital transfer of high definition video to the screen for the very best picture quality. Indeed, digital connections are more important than ever and the 640R has inputs for up to three sources such as SkyHD™ box, Sony PSP™ and DVD player. These then need only one output to the screen.
X-Tract™ Forced / Convection Heat Tunnel
Key to the 640R’s audiophile pedigree is Cambridge Audio’s brand new proprietary Forced / Convection Heat Tunnel - X-Tract™
This custom design enables the company's flagship AV powerhouse to operate extremely quietly and at a low temperature. A perfectly balanced combination of forced cooling and natural convection effectively draws heat away from the 640R’s substantial transformer and output stages.
Careful manipulation of air flow has led to a design able to dissipate enough heat by convection to ensure the unit’s fan is only active at the most extreme ends of the performance spectrum. The vertical airflow path for convection has been carefully designed for minimum airflow resistance or turbulence for maximum cooling efficiency.
In extreme conditions a speed controlled near-silent fan gradually becomes active, drawing colder air from the front of the unit and providing forced cooling.
Thanks to X-Tract™ you’ll never again be plagued by irritating and unnecessary cooling fan noise letting you get the most from your music or movie soundtracks.
Multi-room compatibility is featured for connection to Cambridge Audio’s Incognito system or other custom install applications. Twin Incognito Ready (Type II) outputs offer plug and play compatibility with Cambridge Audio Incognito keypads or active speakers. This provides connection with up to two additional rooms – with fully independent source control – for the simplest hub-free multi-room system. Second and third zone video outputs mean even the remote rooms can benefit from video capability. Additionally, an RS232 port, IR Emitter In and Control Bus In/Out make it easy to fully integrate the 640R into more complex custom install systems.
Azur 640R 7.1 HDMI AV Receiver features
HDMI switching allows latest DVD players and set-top boxes to be routed to the TV
32-bit DSP, 24/192 capable DACS
Power output of 7 x 100 watts rms per channel, 8 ohms (all channels driven)
Analogue video up-conversion (transcode composite to s-video, s-video to component)
HDTV capable via component video or HDMI / DVI
Dolby Digital and DTS formats in 5.1, 6.1 and 7.1 supported
Dolby Pro Logic® II or IIx and DTS Neo:6 decoded in 5.1, 6.1 and 7.1
Post processing of 5.1 or 6.1 digital material with PLIIx or DTS Neo:6 to turn these formats into full 7.1
5.1, 6.1 and 7.1 analogue input for connection of a DVD Audio or SACD players
On Screen Display (OSD)
FM/AM tuner
A-BUS™ Ready/Incognito Ready™ multi-room outputs
RS232 port, IR emitter In, Control Bus In/Out
Audio Split mode to watch and listen to different sources
Specifications:
Power Output: 2 x 120 watts rms per channel, 8 ohms (two channels driven)
7 x 100 watts rms per channel, 8 ohms (all 7 channels drivel)
THD: <0.006% @1kHz
Crosstalk: <-60dB @ 1kHz
Frequency Response: 10Hz -20kHz - 1dB
Signal to Noise Ratio: >90dB ‘A’ weighted
Decoding formats: PCM, Dolby EX, DTS ES, DTS Matrix/Discrete, PLII/ PLIIx, DTS Neo:6 all in 5.1/6.1 or 7.1 variants
Audio Inputs: 8 line analogue, tuner (FM/AM), 7.1 analogue input, 5 digital coaxial, 6 digital optical
Video Inputs: 5 composite, 5 s-video, 3 component video, 3 HDMI
Audio Outputs: 7 amplified speaker outputs, 7.1 preamp outputs
Video Outputs: 1 composite, 1 s-video, 1 component video, 1 HDMI
Recording Audio outputs: 2 line level analogue, 2 digital coaxial, 2 digital optical
Recording video outputs: 1 composite, 1 s-video
Connections: 1 1/4" / 6.35mm headphone output,Control bus input/output, 1 IR emitter In, 1 RS232C, 1 IEC type mains inlet
Audio input impedance: 47kOhms/175mV or greater
Digital input impedance: 75ohms (coaxial/SPDIF)
Tone Controls: Bass +/-10dB @ 100Hz Treble +/-10dB @ 10Hz
Tuner: FM mode / RDS 87.5-108MHz, 75 ohm coaxial aerial AM mode 522-1629Hz, 300 ohm loop aerial
Standby Power Consumption: <10w
Quiescent power consumption: <70w
Max. Power Consumption: 1400w
Dimensions (H x W x D): 150 x 425 x 420mm 5.9 x 16.7 x 16.6"
Weight: 15kg (33lbs)
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