Cambridge Audio 640r User Manual

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 Control

- Bass

+/-10dB @ 100Hz

- Treble

+/-10dB @ 10kHz

Tuner

- FM mode

87.5-108MHz, 75 ohm coaxial aerial

- AM mode

522-1629kHz, 300 ohm loop aerial

Video

Video Levels /Impedance

- Composite (CVBS)

1Vp-p / 75ohm

- S-VVideo (S-VVHS)

Y 1Vp-p / 75ohm

C 0.286 Vp-p / 75ohm

- Component

Y 1Vp-p / 75ohm

Cb/Cr 0.75Vp-p / 75ohm

Pb/Pr 0.75Vp-p / 75ohm

HDMI

Transfer of all resolutions up to and including 1080p @ 50/60Hz

(1920 x 1080) supported, with HDCP handshaking.

General

Architecture

Crystal CS43122 24 Bit 192kHz

capable DAC for Front Left & Right

Crystal CS52526 24 Bit 192kHz

capable CODEC for surround

channels + 24 Bit 2 channel A/D

conversion

Crystal CS43122 32 bit DSP

Audio Inputs

8 Line Level Analog

Tuner (FM/AM)

7.1 Analog Input

5 Digital Co-axial, 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 Analog

2 Digital Co-Axial, 2 Digital Optical

Technical specifications

Recording Video Outputs

1 Composite, 1 S-Video

Other connections

1 1/4" / 6.35mm Headphone Output

(32 To 600 ohms recommended)

1 Control Bus Input / Ouput

1 IR Emitter In

1 RS232C

1 IEC type mains inlet

Incognito Ready™ / A-B

BUS Ready™

2 A-BUS keypad outputs (2nd/3rd Zone)

3 IR Emitter outputs

2 Composite video outputs (2nd/3rd Zone)

1 External PSU input 24VDC

Standby power consumption <10w

Quiescent power consumption <70w

Max power consumption

1400w

Dimensions - H x W x D

150 x 425 x 420mm

(inc all terminals & controls)

Weight

15kg (33lbs)

Decoding modes supported

PCM
Stereo Linear PCM with or without digitally created Sub, 16-24 bit data,

44.1, 48 or 96kHz

PLII Movie
5.1 PLII matrix decode optimised for movie material

PLII Music
5.1 PLII matrix decode optimised for music material

PLII Game
5.1 PLII matrix decode optimised for game material

PLIIx Movie
6.1 /7.1 PLIIx matrix decode optimised for movie material

PLIIx Music
6.1 /7.1 PLIIx matrix decode optimised for music material

PLIIx Game
6.1 /7.1 PLIIx matrix decode optimised for game material

Dolby Digital Stereo (2/0) + PLII Movie
5 .1 PLII matrix decode of Dolby Stereo material

Dolby Digital Stereo (2/0) + PLII Music
5.1 PLII matrix decode of Dolby Stereo material

Dolby Digital Stereo (2/0) + PLII Game
5 .1 PLII matrix decode of Dolby Stereo material

Dolby Digital Stereo (2/0) + PLIIx Movie
6 .1/7.1 PLIIx matrix decode of Dolby Stereo material

Dolby Digital Stereo (2/0) + PLIIx Music
6 .1/7.1 PLIIx matrix decode of Dolby Stereo material

Dolby Digital Stereo (2/0) + PLIIx Game
6 .1/7.1 PLIIx matrix decode of Dolby Stereo material

Dolby Digital
(Up to) 5.1 digital surround sound

Dolby Digital + PLIIx Movie
PLIIx Movie post process of DD 5.1 giving 6.1 or 7.1 (7.1 has mono

back surrounds)

Dolby Digital + PLIIx Music
PLIIx Music post process of DD 5.1 giving 6.1 or 7.1 (7.1 has mono

back surrounds)

Dolby Digital EX
6.1 or 7.1 (7.1 has mono back surrounds) decode of 6.1 Dolby Digital

EX material

DTS Neo:6 Cinema
5.1/6.1/7.1 Neo:6 matrix decode (6.1 source material) 5.1 decode has

phantom rear centre, 7.1 decode has mono back surrounds)