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3 Important safety instructions ............................................................................................................... 4 Rear panel connections ........................................................................................................................ 8 Front panel controls .............................................................................................................................. 10 Audio output connections..................................................................................................................... 12 Digital audio input connections............................................................................................................ 13 PC-USB connections.............................................................................................................................. 14 Digital audio output connections ......................................................................................................... 16 Operating instructions........................................................................................................................... 17 Filters...................................................................................................................................................... 18 Technical specifications........................................................................................................................ 25 Troubleshooting ..................................................................................................................................... 26 Limited warranty.................................................................................................................................... 27 This package should contain the following: 1 x Azur DacMagic (assembled), 1 x AC 12V 1.5A power adaptor, 4 x rubber feet, 1 x rubber base, 1 x USB ‘B-A’ type lead, 1 x user’s manual For further information about Cambridge Audio, our products, news, reviews and support, please visit azur DacMagic Introduction Thank you for purchasing this DacMagic Upsampling Digital to Analog Converter. We are confident that you will enjoy many years of listening pleasure from it. The DacMagic features ATFTM (Adaptive Time Filtering), an up-sampling process developed in conjunction with Anagram Technologies of Switzerland to intelligently interpolate incoming audio data (of between 16-24 bits, 32-96kHz) to 24bit/192kHz through the use of a 32bit Texas Instruments DSP (Digital Signal Processor). The ATF system applies sophisticated polynomial curve-fitting interpolation to create the extra data points and incorporates a time domain model which adaptively generates the new data in the temporal domain, dramatically reducing digital jitter, even that present in the input audio. As with our high-end CD players, our proprietary Dual Differential Virtual Earth Balanced filter topology is used, configured as a low-order two pole linear-phase Bessel filter to take advantage of the high sampling rate achieved. Two very high quality Wolfson WM8740 24bit DAC ICs are used in dual differential mode. Since each channel has its own DAC to process information, completely separate and symmetrical analog filter circuitry can be implemented. These allow both left- and right-channel circuitry to operate identically, ensuring the DacMagic delivers fantastic sound-staging and stereo- imaging properties. Two digital inputs are fitted (both featuring S/P DIF and TOSLINK) and allow a wide range of digital sources to be connected. In addition, a USB input enables the DacMagic to be connected to a PC and act as a very high quality DAC/Soundcard, offering genuine HiFi-quality playback from your desktop, media PC, etc. A digital output is fitted which passes through the selected digital source for recording purposes (no up-sampling performed). Your DacMagic can only be as good as the system it is connected to. Please do not compromise on your amplifier, speakers or cabling. Naturally, we particularly recommend amplification from the Cambridge Audio range. Your dealer can also supply excellent quality Cambridge Audio interconnects to ensure your system realises its full potential. Thank you for taking the time to read this manual; we recommend you keep it for future reference. Matthew Bramble Cambridge Audio Technical Director and the DacMagic design team ENGLISH 3 Important safety instructions 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 instructions. 5. Do not use this apparatus near water. 6. Clean only with a dry cloth. 7. Do not block any ventilation openings. Install in accordance with the ...