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In more detail

The 751R's Anchor Bay ABT2010 scaler will coax 1080p Full HD detail out of even analogue video signals, but the amp also features a unique scaler bypass mode that improves picture quality by preventing "double-scaling" content that has already been upscaled externally (for instance on a Blu-ray player or PS3).

And as well as video upscaling, the 751R features audio upsampling. Detail from any audio source, from MP3s to high-end digital audio streams, can be boosted to up to 24-bit/192kHz better-than-CD-quality. Digital audio files from laptops etc. can also be upsampled via the asynchronous USB input, bypassing soundcards for maximum quality and delivering 24-bit/192kHz ultra-high-quality audio.

As well as comprehensive upscaling and upsampling capabilities, the 751R has the full range of top-end home cinema receiver features: 7.1 outputs (with option to run twin subs), two Texas Instruments 32-bit DSPs to support a broad range of surround formats and speaker layouts, and a comprehensive range of HDMI inputs and outputs. It also features our unique "Follow Main" Zone 2 option.

"Follow Main" lets you listen to the same digital source as is playing in the main room, in another room (most modern amps will only let you hear analogue sources elsewhere).

Another feature rarely found elsewhere for the 751R is DTS remapping. This lets you easily rephrase DTS-HD High Resolution and Master Audio format audio signals to your 7.1  speaker layout perfectly.

x-tract-cooling-tb For brilliant, pin-sharp audio - in both stereo and surround modes - the 751R features a range of quality components that fit with our principle of designing for "Sound First". Toroidal transformers for a high purity, low-distortion signal, discrete amplifiers to reduce noise and X-Tract near-silent cooling combined with a rigid low-resonance chassis maximise audio signal quality.

And there's plenty of room-filling power too - 200W RMS power in stereo (2 channels at 6 ohms); 120W RMS power per channel for home cinema surround sound (7 channels at 8 ohms).

Stunning power, stunning audio reproduction, and the best audio and video from any source - the Cambridge Audio Azur 751R Upsampling Home Cinema Receiver is the ultimate home cinema receiver if you want the best in surround sound and visuals and the best in audiophile hi-fi stereo sound, all in one package. Our technology makes the most of every digital detail, so you literally get more out of your movies and music.


Power output200W RMS per channel, into 6 ohms (two channels driven)
170W RMS per channel, into 8 ohms (two channels driven)
120W RMS per channel, into 8 ohms (all 7 channels driven)
HDMIHDMI 1.4a, EIA/CEA - 861D, HDCP 1.1, ARC and 3D-TV/deep colour pass through supported
ArchitectureCirrus Logic CS43122 24-bit 192kHz capable DAC for Front Left & Right
Cirrus Logic CS52526 24-bit 192kHz capable CODEC for surround channels + 24-bit 2 channel
A/D ConversionTwo TI Aureus DA788 32-bit DSPs
Additional AD SP-21261 40-bit DSP performing 24bit/192kHz ATF Upsampling
Anchor Bay ABT2010 scaler
USB 1.0: 16-24-bit, 32kHz, 44.1kHz, 48kHz, 88.2kHz, 96kHz
USB 2.0: 16/24-bit 32kHz, 44.1kHz, 48kHz, 88.2kHz, 96kHz, 192kHz
Audio Inputs8 x line level analogue
Tuner (FM/AM)
7.1 multi-channel analogue input
1 x asynchronous USB audio input
5 x digital co-axial, 5 x digital optical
Video Inputs6 x HDMI (5 x HDMI 1.4a, 1 x front panel HDMI 1.3c)
3 x Component Video
4 x Composite
4 x S-Video
Main Audio Outputs7 Amplified Speaker Outputs
7.2 Preamp outputs
Main Video Output2 x HDMI (1.4a), ARC through HDMI A
Zone 2 OutputsSurround back channels, 2.1 preamp audio outputs, component, S-Video and composite video outputs
Recording Audio Outputs2 x Line Level Analogue
2 x Digital Co-Axial, 2 x Digital Optical
Other connections1 1/4" / 6.35mm Headphone Output (32 To 600 ohms recommended)
3 x IR emitter outputs
1 x IR Receiver Input (un-modulated)
1 x IR Emitter Input (modulated)
1 x Zone 2 IR emitter input
1 x control bus input/output
2 x 12V trigger outputs
1 x RS232C
1 x IEC type mains inlet
THD<0.006% @1kHz
Frequency response10Hz - 20kHz ±1dB
S/N Ratio>90dB 'A' weighted
Max. Power Consumption1700W
Standby power consumption<0.5W
Dimensions (W x H x D)430 x 150 x 420mm (5.9 x 16.9 x 16.5’’)
Weight17.4Kg (38.3lbs)