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Cambridge Audio Upsampling Digital to Analog Converter azur DacMagic - page 1
azur DacMagic Upsampling digital t o analog conv erter User’s manual 2 ENGLISH ...
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Cambridge Audio Upsampling Digital to Analog Converter azur DacMagic - page 2
2 Introduction............................................................................................................................................ 3 Impor tant saf ety instructions ............................................................................................................... 4 Rear panel connections ........................ ...
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Cambridge Audio Upsampling Digital to Analog Converter azur DacMagic - page 3
DacMagic azur 3 ENGLISH Thank you f or purchasing this DacMagic Upsampling Digital t o Analog Conv erter . We are confident that you will enjo y many years of listening pleasure fr om it. The DacMagic f eatures A TF TM (Adaptiv e Time Filtering), an up-sampling pr ocess de v eloped in conjunction with Anagram T echnologies of Switzerland to int ell ...
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Cambridge Audio Upsampling Digital to Analog Converter azur DacMagic - page 4
4 For y our own saf ety please read the f ollowing im por tant saf ety instructions carefully bef ore att empting to connect this unit t o the mains power supply . They will also enable y ou t o get the best per formance from and pr olong the life of the unit: 1. Read these instructions. 2. K eep these instructions. 3. Heed all warnings. 4. Follo w ...
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Cambridge Audio Upsampling Digital to Analog Converter azur DacMagic - page 5
DacMagic azur 5 ENGLISH WEEE symbol The crossed-out wheeled bin is the Eur opean Union symbol for indicating separat e collection f or electrical and electr onic equipment. This pr oduct contains electrical and electr onic equipment which should be reused, recy cled or recov ered and should not be disposed of with unsor ted regular wast e. Please r ...
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Cambridge Audio Upsampling Digital to Analog Converter azur DacMagic - page 6
6 FCC regulations NOTE: THE MANUF ACTURER IS NO T RESPONSIBLE F OR ANY RADIO OR T V INTERFERENCE CAUSED BY UNA UTHORIZED MODIFICA TIONS TO THIS EQUIPMENT . SUCH MODIFICA TIONS COULD VOID THE USER A UTHORIT Y TO OPERA TE THE EQUIPMENT . This equipment has been t est ed and f ound t o comply with the limits f or a Class B digital device, pursuant t o ...
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Cambridge Audio Upsampling Digital to Analog Converter azur DacMagic - page 7
DacMagic azur 7 ENGLISH This unit must be installed on a sturdy , lev el sur face. Do not place in a sealed area such as a bookcase or in a cabinet. An y space open at the back (such as a dedicated eq uipment rack) is fine, how e ver . Do not place the unit on an unstable sur face or shelf. The unit ma y fall, causing serious injur y to a child or ...
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Cambridge Audio Upsampling Digital to Analog Converter azur DacMagic - page 8
8 Unbalanced Audio Outputs Single-ended con ventional st ereo outputs for connection t o the line-le vel phono/R CA inputs of an amplifier . Balanced Audio Outputs The DacMagic also f eatures true balanced (XLR) outputs. This is a higher quality output that can reject noise and interference with equipment with balanced in puts. These balanced outpu ...
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Cambridge Audio Upsampling Digital to Analog Converter azur DacMagic - page 9
DacMagic azur 9 ENGLISH TOSLINK optical – use a high q uality T OSLINK fibre-optic interconnect cable designed specifically f or audio use. T o achiev e the best results w e alwa ys recommend using high quality Cambridge Audio leads, which are guaranteed f or life. Note: These outputs are pass-thr ough only; there is no upsam pling or an y other ...
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Cambridge Audio Upsampling Digital to Analog Converter azur DacMagic - page 10
10 Po wer On/Off Switches the unit between On and Off. Source Press to select betw een USB pla yback or Digital Inputs 1 and 2. The corresponding LED will light up to sho w which sour ce has been select ed. Filter/Phase Select Momentarily press to select betw een three different filter modes: linear phase, minimum phase or steep (see page 1 8 f or ...
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Cambridge Audio Upsampling Digital to Analog Converter azur DacMagic - page 11
Phase Indicates the output phase select ed. Press and hold the Filter/Phase select butt on f or approximat ely two seconds t o select normal or in ver ted phase output. When the LED lights up, the phase is in v er ted by the DacMagic. If you suspect that y our sour ce material or am plifier , etc., is inv er ting the phase of the musical signal, yo ...
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Cambridge Audio Upsampling Digital to Analog Converter azur DacMagic - page 12
12 Audio output connections L LR Unbalanced Input Balanced Input R Digital Outputs USB In Balanced Output Unbalanced Output Digital Inputs Digital Inputs L R RL Note: Do not turn on the unit until all connections ha ve been made. DacMagic AC adapt or Amplifier OR Use either the unbalanced (RCA/Phono) or balanced (XLR) outputs of the DacMagic. The X ...
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Cambridge Audio Upsampling Digital to Analog Converter azur DacMagic - page 13
DacMagic azur 13 ENGLISH Digital audio input connections Digital Outputs Digital Outputs USB In Balanced Output Unbalanced Output Digital Inputs Digital Inputs L R RL Note: Do not turn on the unit until all connections ha ve been made. DacMagic AC adapt or CD/DVD pla yer Connect your digital sour ce t o Digital Input 1. Either S/P DIF co-axial or T ...
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Cambridge Audio Upsampling Digital to Analog Converter azur DacMagic - page 14
14 PC-USB connections Digital Outputs USB In Balanced Output Unbalanced Output Digital Inputs Digital Inputs L R RL Note: Do not turn on the unit until all connections ha ve been made. AC adapt or PC DacMagic USB ‘B–A ’ type lead ...
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Cambridge Audio Upsampling Digital to Analog Converter azur DacMagic - page 15
DacMagic azur 15 ENGLISH Connect a USB ‘B–A ’ type lead (as illustrated at lef t) fr om the DacMagic’s USB input t o one of the USB por ts on the PC. This is the normal type of USB lead with an oblong plug at one end and a square plug at the other . Switch on the DacMagic using the front panel On/Off switch and make sure that the USB input ...
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Cambridge Audio Upsampling Digital to Analog Converter azur DacMagic - page 16
16 Digital Inputs Digital Outputs USB In Balanced Output Unbalanced Output Digital Inputs Digital Inputs L R RL Note: Do not turn on the unit until all connections ha ve been made. Digital recorder DacMagic AC adapt or If it is desired to loop out the currently select ed digital audio for recor ding on a suitable de vice (MD, CD-R, etc.), you can c ...
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Cambridge Audio Upsampling Digital to Analog Converter azur DacMagic - page 17
DacMagic azur 17 The DacMagic can be sited in tw o dif f erent positions, as shown in the accompan ying diagram. It can be placed horizontally by fitting the f our small individual fee t, or vertically by using the large rubber ‘foo t’. Po w er on the DacMagic using the On/Of f button on the fr ont panel. Af t er 4-5 seconds, the unit will unmu ...
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Cambridge Audio Upsampling Digital to Analog Converter azur DacMagic - page 18
18 The DacMagic DSP has three dif f erent Filt er functions: Linear Phase, Minimum Phase and Steep. All three filters are highly sophisticat ed audiophile topologies, optimised specifically f or audio playback. In our opinion, these filters of f er e x cellent sound quality but differ subtly in optimisation, hence w e’ve made all three a vailable ...
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Cambridge Audio Upsampling Digital to Analog Converter azur DacMagic - page 19
DacMagic azur 19 The Linear Phase filter is a highly regar ded audio filter offering lo w ripple in both the pass and stop bands, and what is known as constant gr oup delay . Constant group dela y means that audio signals of all frequencies are alw a ys dela yed b y the same amount when passing through the filter . All audio is theref ore fully tim ...
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Cambridge Audio Upsampling Digital to Analog Converter azur DacMagic - page 20
20 Minimum Phase Filter -80 -60 -40 -20 0 20 -200 -180 -160 -140 -120 -100 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 F requency response frequency/FS (input sampling rate) Magnitude (dB) ...
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Cambridge Audio Upsampling Digital to Analog Converter azur DacMagic - page 21
DacMagic azur 21 ENGLISH The Minimum Phase filter is another highly regar ded audio filter that of f ers ev en lo wer ripple in the pass and stop bands. Unlik e the Linear Phase filter , group dela y is not constant so some time- coherence is lost; how e ver , phase shif t is low and the par ticular benef it with this filter is that the impulse res ...
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Cambridge Audio Upsampling Digital to Analog Converter azur DacMagic - page 22
22 Steep Filt er -80 -60 -40 -20 0 20 -200 -180 -160 -140 -120 -100 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 F requency response Linear phase filter Steep filt er frequency/FS (input sampling rate) Magnitude (dB) ...
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Cambridge Audio Upsampling Digital to Analog Converter azur DacMagic - page 23
DacMagic azur 23 Our Steep filt er is a linear phase filter that has been optimised f or stop band att enuation of close-in aliasing images. Here we ha ve traded a little attenuation of the v er y highest frequency response (-2dB at 20kHz) and a little more pre- and post-ringing f or a very steep att enuation just outside the pass band. The Steep f ...
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Cambridge Audio Upsampling Digital to Analog Converter azur DacMagic - page 24
24 The f ollowing table sho ws the f ilter st op band attenuation: Linear Phase Minimum Phase Steep Roll-off at 20kHz -0. 1dB -0. 1dB -2dB Roll-off at 22kHz -1 0dB -1 0dB -82dB Ultimate r oll-of f 1 40dB 1 40dB 1 40dB W e encourage you t o experiment with the filters to det ermine which sound best to your ears and using your sour ce equipment/pr og ...
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Cambridge Audio Upsampling Digital to Analog Converter azur DacMagic - page 25
DacMagic azur 25 D/A conv erters Dual W olfson WM8 7 40 2 4bit DA Cs Digital filt er T exas Instruments TMS 320V C550 1 DSP upsampling t o 2 4bit 192kHz Analogue filt er 2-Pole Dual Differential Bessel Double Vir tual Ear th Balanced F requency response 20Hz to 20kHz (±0. 1dB)* THD @ 1kHz 0dBFs <0.00 1% 2 4bit THD @ 1kHz -10dBFs <0.00 1% THD ...
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Cambridge Audio Upsampling Digital to Analog Converter azur DacMagic - page 26
26 There is no power Ensure the supplied A C adaptor is connect ed securely to the PSU sock et on the rear panel. Ensure that the correct mains transf ormer is being used and that it complies with the local electrical supply . Ensure the mains plug is fully inser ted int o the wall sock et and is switched on. There is no sound Ensure that the ampli ...
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Cambridge Audio Upsampling Digital to Analog Converter azur DacMagic - page 27
DacMagic azur 27 Cambridge Audio w arrants this pr oduct to be free fr om defects in mat erials and workmanship (subject to the t erms set for th below). Cambridge A udio will repair or replace (at Cambridge Audio's option) this product or an y defectiv e par ts in this product. W arranty periods may v ar y from country to countr y . If in dou ...
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Cambridge Audio Upsampling Digital to Analog Converter azur DacMagic - page 28
© 2008 Cambridge Audio Ltd AP23905/1- A Cambridge Audio is a brand of A udio Par tnership Plc Regist ered Of f ice: Galler y Cour t, Hanke y Place London SE1 4BB, United Kingdom Regist ered in England No. 29533 13 www .cambridge-audio.com ...
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