Cambridge Audio Azur 651R manual

Your music + our passion 651R/751R azur ENGLISH AV receiver User’s manual 2[...]

2 Contents Introduction .........................................................................................................3 Important safety instructions .............................................................................4 Limited warranty .............................................................................................[...]

The process of setting up the 651R/751R is first to make all the connections to your speakers and source equipment and then set the unit up via its On- Screen Display (OSD). There are various settings and adjustments that need to be made before the 651R/751R can be used. However before you actually decide which connections to make or perform any ad[...]

4 For your own safety please read the following important safety instructions carefully before attempting to connect this unit to the mains power supply. They will also enable you to get the best performance from and prolong the life of the unit: 1. Read these instructions. 2. Keep these instructions. 3. Heed all warnings. 4. Follow all instruction[...]

651R/751R azur 5 Cambridge Audio warrants this product to be free from defects in materials and workmanship (subject to the terms set forth below). Cambridge Audio will repair or replace (at Cambridge Audio's option) this product or any defective parts in this product. Warranty periods may vary from country to country. If in doubt consult your[...]

1 2 3 4 5 17 18 19 20 21 6 9 10 11 12 13 14 15 16 22 23 24 25 26 7 8 6 6 Front panel controls 1 Standby/On Switches the unit between Standby mode (indicated by a dim power LED) and On (indicated by a bright power LED). Standby is an eco-friendly <0.5W low power mode. The unit may be left in Standby mode when not in use. 2 Phones Allows for the c[...]

651R/751R azur 7 ENGLISH 17 Audio input type Press this button to select between analogue, digital (optical/coaxial) or HDMI input types as the source of the audio for the currently selected source input. The choices available depend on the inputs that have been assigned to that source, see later section. 18 Stereo modes Press to listen to a source[...]

8 Rear panel connections 1. FM/AM antennas All tuner antenna connections are made here. Refer to the ‘Antenna Connections’ section of this manual for more information. 2. RS232C Used for control of the 651R/751R in Custom Install situations. A full protocol is available for the 651R/751R on our website. 3. USB interface (751R only) A USB B type[...]

651R/751R azur 9 ENGLISH 9. Expansion port For connection to optional Expansion Source Modules as they become available. Contact your Cambridge Audio dealer for details. 10. Front IR switch Turns the units built-in IR receiver reception on/off if it is desired to use an IR repeater system plugged into the rear Main Zone IR Emitter Input instead. 11[...]

10 Main remote control Bass/Treble Press for bass/treble adjustment, using the Volume up/down buttons. Note: Bass/Treble is bypassed in analogue stereo direct and 7.1 direct modes. 7.1 direct Selects the 5.1/7.1 direct input. Audio in type Switches the audio between the types available for the current source. Depending on the source selected and wh[...]

Output channel indicators Shows the currently active channels depending on decoding mode and source material. Icons lit indicate channels being output by the 651R/751R. Z2 Indicates Zone 2 is active (on). Room EQ Indicates Audyssey 2QE ® is enabled. Decoding mode indicators (PCM, Dolby Digital, DTS etc) Shows the current decoding mode, Dolby Digit[...]

12 Analogue audio connections Note: Do not plug in the mains power lead or turn the unit on until all connections have been made. Connect to source equipment using stereo phono cables (stereo 2RCA- 2RCA). Tape/MD/CDR recorder/players require two sets of stereo phono/RCA cables, one for recording, one for listening. Audio player/recorder (Tape/MD/CD[...]

651R/751R azur 13 ENGLISH Analogue video input connections Three types of analogue video connections can be made to the 651R/751R: 1. Composite - connect with single 75 ohm Video phono cable (RCA-RCA). 2. S-Video - connect with S-Video cable. 3. Component - connect with 75 ohm Component video cables (3RCA-3RCA) For sources that support HDMI this is[...]

14 5.1/7.1 direct in DVD-A player or SACD multi-channel player 5.1 connections Phono cables (2RCA-2RCA) Left Right Surround Left Surround Right Centre Subwoofer Video output connection (HDMI A & B) Connection to the TV is by HDMI. The 651R/751R converts incoming analogue video to HDMI and scales it for best picture quality. See later section. T[...]

651R/751R azur 15 ENGLISH If it is desired to connect external power amplifiers, use Phono/RCA leads connected to the 7.1 Preamp Outputs on the rear panel. For 5.1/7.1 use set the 'Multi Ch.Out' setting in the 'Advanced Audio Setup' OSD menu to 'Pre Out' rather than 'Normal'. This mutes all the internal power[...]

16 Front Left and Right speakers For stereo and multi-channel sound. Centre speaker For dialogue and centre sounds. Ideally position at a similar height to the front left and right speakers (above or below the TV/monitor). Using a centre speaker from the same manufacturer/range as used for the front left and right speakers is advisable. This “tim[...]

651R/751R azur 17 ENGLISH Manually setting speaker delay Because the speakers in a surround sound system are usually different distances from the listener the 651R/751R incorporates the ability to apply a variable digital delay to each of the channels so that the sound from each arrives at the same time at the listening position for best surround-s[...]

18 The 651R/751R allows level calibration to match the acoustic level between different types/sizes or even manufacturers of speaker that may be being used for each channel. This is achieved by adjusting the relative level of each speaker. This can be done manually through the ‘Level Calibration’ menu in the OSD or automatically, see the follow[...]

Once finished the unit will display a screen similar to the one below reporting which speakers were found and any that appear out of phase. If any speakers appear unconnected or out of phase carefully check the connections on the speaker and the back of the unit. Also check any bi-wiring links that might be present on the speaker. For any out of ph[...]

20 human perception, room acoustics and information from both incoming source levels and actual output sound levels in the room. Audyssey Dynamic EQ works in tandem with Audyssey 2EQ to vary the EQ applied to the speakers in sympathy with the acoustic level to achieve a tonal balance and surround impression that remain constant despite changes in v[...]

651R/751R azur 21 ENGLISH The 651R has 4 HDMI (High Definition Multi-Media Interface) inputs and two HDMI outputs. The 751R has 6 HDMI inputs (one of which is on the front) and two outputs. HDMI is a fully digital audio/video system for picture and audio in digital format for best possible picture quality. HDMI outputs on Blu-ray, DVD players and S[...]

22 The 651R/751R supports several music and home-cinema listening modes. The output the 651R/751R can provide, depends both on the source signal present, the speaker setup selected and the decode mode selected. Before we describe how to operate the 651R/751R, below is a brief guide to the Surround Sound formats that the 651R/751R is compatible with[...]

651R/751R azur 23 ENGLISH Movie and game producers can also mix specific additional height channels into a 2ch, 5.1 or 7.1 soundtrack, which Dolby Pro Logic IIz will then decode as a post process. If it is desired to use Dolby Pro Logic IIz, you should set the 651R/751R to 5.1 + Height mode, connect two speakers to the SBL and SBR outputs and physi[...]

24 Use with Macs No extra drivers are required. With the 751R switched to USB Audio 1.0 the 751R will work with the native Mac OS-X 10.5 (Leopard) or above Audio 1.0 driver and accept audio up to 24-bit/96kHz. With the 751R switched to USB Audio 2.0 the 751R works with the native Mac OS-X 10.5 (Leopard) or above Audio 2.0 driver and can accept audi[...]

651R/751R azur 25 ENGLISH Dolby Pro Logic and Neo:6 are both available in various guises to decode appropriately encoded soundtracks. Additionally DSP modes are available to process sources with no encoding at all. Due to the matrix encoding process none of these modes incorporate flags that tell the 651R/751R the type of encoding used in the sourc[...]

26 Operating instructions continued Decode modes - 5.1 speaker setup Incoming Native Modes available Output audio channel channels format resolution PCM 2 PCM 2 " PCM + Dolby Pro Logic II Movie >5.1 PCM + Dolby Pro Logic II Music >5.1 PCM + Dolby Pro Logic II Game >5.1 PCM + Neo:6 Cinema >5.1 PCM + Neo:6 Music >5.1 PCM + DSP Mov[...]

651R/751R azur 27 ENGLISH Decode modes - 5.1 + Height speaker setup Incoming Native Modes available Output audio channel channels format resolution PCM 2 PCM 2 " PCM + Dolby Pro Logic IIz Height >5.1 + H PCM + Multi Channel Stereo >5.1 + H MCS Dolby Digital (2/0) 2 Dolby Digital (2/0) 2 " Dolby Digital (2/0) + Dolby Pro Logic IIz He[...]

28 Incoming Native Modes available Output audio channel channels format resolution PCM 2 PCM 2 " PCM + Dolby Pro Logic IIx Movie >7.1 PCM + Dolby Pro Logic IIx Music >7.1 PCM + Dolby Pro Logic IIx Game >7.1 PCM + Neo:6 Cinema >7.1 PCM + Neo:6 Music >7.1 PCM + DSP Movie >7.1 ! PCM + DSP Music >7.1 ! Multi channel stereo >[...]

651R/751R azur 29 ENGLISH Dolby Digital Plus 5.1 $ Dolby Digital Plus (3/2).1 Upmix >7.1 # Dolby Digital Plus (3/2).1 5.1 Dolby Digital Plus (3/2).1 + Dolby Pro Logic IIx Movie >7.1 Dolby Digital Plus (3/2).1 + Dolby Pro Logic IIx Music >7.1 Dolby Digital Plus 7.1 $ Dolby Digital Plus (3/4).1 7.1 Dolby True HD 5.1 $ Dolby True HD (3/2).1 U[...]

Audio Return Channel The 651R/751R supports an Audio Return Channel (ARC) function from TVs that also support this function (which must feature an HDMI1.4 input and have actually implemented the ARC feature, see your TVs manual). ARC allows a TV to send audio back down its incoming HDMI lead to the 651R/751Rs HDMI A output socket. This function all[...]

651R/751R azur 31 ENGLISH You can use the Volume knob or the  /  buttons to make changes to the picture or press the Pic.Adj. button again to move to the next item. Adjustments are available for Brightness, Contrast, Saturation, Sharpness and Y/C Delay. A second feature of the Picture Adjustment button on the unit’s front panel is setting t[...]

32 Bi-amping If you are running a 5.1 (or less) speaker setup, the 651R/751R allows for bi-amping of the front left and right channels. It will be seen in the Speaker Configuration menu that with the Decode mode set as 5.1 a Bi-amp On/Off item appears. When selected, the 651R/751R sends the front left and right signals to the SBL and SBR outputs as[...]

All three adjustments are a matter of personal preference, experiment for the settings that you prefer when you are using Dolby Pro Logic II or Dolby Pro Logic IIx decoding. Dynamic range control This setting controls the dynamic range of Dolby Digital movie soundtracks by compressing the audio to limit the difference in level between loud and quie[...]

34 Zone 2 setup and use The 651R and 751R features a set of Zone 2 outputs which can independently access stereo audio/video sources connected to the unit via a range of analogue connections. Digital inputs (S/PDIF/Co-ax, Toslink/Opto or HDMI) cannot be directly selected by Zone 2. However for any source simply by making a parallel analogue connect[...]

651R/751R azur 35 ENGLISH With this configuration you can now control Zone 2 from the main room by using the main or Zone 2 handsets as supplied (see later section). If it is desired to remotely control Zone 2 and the sources in it from Zone 2 itself an additional (not supplied) IR repeater system should be used, choose one with an Emitter (modulat[...]

36 Zone 2 continued DTS-HD speaker re-map As there is no “official” speaker layout for discrete 7.1 channel audio it could be possible that the original master track of a 7.1 soundtrack was mastered with a different speaker layout than the one being used in your home. DTS have addressed this issue for DTS-HD Master Audio and High Resolution Aud[...]

Configuration 4 - 7.1 channel: L, C, R, LFE, Ls, Rs, Lh, Rh Configuration 5 - 7.1 channel: L, C, R, LFE, Ls, Rs, Lsr, Rsr Configuration 6 - 7.1 channel: L, C, R, LFE, Ls, Rs, Lw, Rw Configuration 7 - 7.1 channel: L, C, R, LFE, Ls, Rs, Ch, Cs 651R/751R azur 37 ENGLISH For playback the 651R/751R expects you to have an actual physical speaker setup ap[...]

38 A low hum or buzz sound can be heard Power cords or lighting placed near this product. Analogue inputs not connected securely. Sound is not audible from one channel Speaker connections disconnected. Speaker set to “None” in OSD setup menu. Sound cuts off when listening to music or there is no sound even though power is ON Speaker impedance i[...]

651R/751R azur 39 ENGLISH General Architecture Cirrus 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 conversion Two TI Aureus DA788 32 Bit DSPs Anchor Bay ABT2010 video scaler 751R only: Additional AD SP-21261 40 Bit DSP performing 24-b[...]

AP31780/1-A © 2012 Cambridge Audio Ltd Cambridge Audio is a brand of Audio Partnership Plc Registered Office: Gallery Court, Hankey Place London SE1 4BB, United Kingdom Registered in England No. 2953313 www.cambridge-audio.com[...]