Cambridge Audio 640R user manual Technical specifications, Audio, Video, Hdmi, General

Technical specifications

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-Video (S-VHS)	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

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-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

5.1PLII matrix decode optimised for movie material

PLII Music

5.1PLII matrix decode optimised for music material

PLII Game

5.1PLII 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

5.1PLII 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

6.1or 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)

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