Cambridge Audio 640r Specification Guide

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Tech specs

Azur 640R HDMI 7.1 AV Receiver

Features

HDMI switching

Analogue video up-conversion (transcode composite to S-Video,

s-video to Component)

HDTV capable via component video or HDMI/DVI

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

32-bit DSP, 24/192 capable DACS

Post processed Dolby / DTS modes (convert 5.1 to 7.1)

Full on screen display

Separate stereo DAC for left/right from surround channel codec

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

Main audio outputs

7 amplified speaker outputs,
7.1 preamp outputs

Main 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

Other connections

1 1/4

" / 6.35mm headphone output,

Control bus input/output, 1 IR emitter In,
1 RS232C, 1 IEC type mains inlet

Incognito Ready

/A-BUS Ready

2 A-BUS keypad outputs

(2nd/3rd Zone), 3 IR emitter outputs,
2 composite video outputs (2nd/3rd Zone),
1 external power supply input 24VDC

Movie, music, game optimisation

Audio split mode

watch and listen to different sources

Full function aluminium face azur navigator remote

Available in silver/black

Audio

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 driven)

THD

<0.006% @1kHz

Crosstalk

<-60dB @ 1kHz

Frequency response

10Hz -20kHz - 1dB

S/N Ratio

>90dB ‘A’ weighted

Audio input impedance/sensitivity

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

General

Standby power consumption

<10w

Quiescent power consumption

<70w

Max power consumption

1400w

Dimensions hxwxd

150x425x420mm (5.9x16.7x16.6inches)

Weight

15kg (33lbs)

640R specifications

Cambridge Audio’s policy is one of continuous improvement.
Design and specifications are therefore subject to change
without prior notice.

Cambridge Audio, Gallery Court, Hankey Place,

London, SE1 4BB, England