User`s manual - Music Direct
Contents
1. User s manual TIC TO TEDHA I IMPORTANT CUSTOMER CARE SAFETY INSTRUCTIONS IMPORTANT Please read all instructions before proceeding If you have any questions about the operation or use of this product please contact your dealer PRODUCT SAFETY This unit was designed and manufactured to ensure personal safety Impro per use can result in potential electrical shock or fire hazards Please retain these instructions for future reference The lightning flash with arrowhead symbol within the equilateral triangle is intended to alert the user to the presence of non isolated dangerous voltage within the product s enclosure that may be of sufficient magnitude to consti tute a risk of electric shock CAUTION Risk of electric shock Do not open CAUTION To prevent the risk of electrical shock do not remove enclosure or disas semble No user serviceable parts inside Refer servicing to qualify service personnel The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating maintenance and servicing instructions in the literature associated with this device TECHNICAL CHARACTERISTICS Audio Characteristics SPDIF coaxial input SPDIF optical input USB input SPDIF sampling frequency range USB sampling frequency range Resolution Bandwidth 0 2dB Linearity 100dB Signal to noise ratio A weighted 20Hz 20kHz THD noise 1 kHz Output level Out2. your digital sources to MyDAC ap propriate inputs Connect the stereo analog output of MyDAC to a line input of your amplifier While doing this we recommend you to have your amplifier turned off Plug the AC line cord to the mains input of MyDAC and then connect the other end to your wall mains inlet As soon as MyDAC is connected to the mains the led located under the MyDAC logo will light up in red indicating that the unit is in Standby mode Recepteur satellite Satellite receiver Lecteur Playeur CD DVD Blue Ray Operation MyDAC central wheel has four positions The Standby position is on the extreme left Using the wheel from left to right you will access the 3 different inputs USB COAX and OPTO When you select an input the led located under the MyDAC logo turns white and the led located under under the input name lights up in white either in fixed mode indicating that a valid signal is received on this input or in blinking mode indicating that there is no valid signal on the selected input Refer the FAQ section for troubleshooting 1 Standby Turn the wheel to the stop of the extreme left position MyDAC is then in standby mode and the led located under the MyDAC logo turns red The unit is then respectful of the most stringent ECO regulations 2 USB The asynchronous USB input accepts signal which are plain multiples of 44 1kKHZ and 48kHz sampling rates and this up to 192kHz This input is compatible with Audio c
3. ers manufacturing defects with the exception of any other damage resulting from An accident Negligent use Poor handling Bad installation and or failure to comply with the instructions in the present manual Any servicing carried out by a non authorized personnel Damage during transport the damage will not be covered by the transporter unless you express the usual type of legal reservation indicating any damage on delivery 24bits 192kHz USB Asynchronous Audiophile DAC Dear customer Thank you for purchasing a Micromega product This unit provides ease of use and sonics of the highest quality Please pay close attention to this instruction manual and read it fully before attempting to operate It is designed to ensure you maxi mise your pleasure of listening to MyDAC Checking Check that the carton has no damage Should you have any doubt about its condi tion please do not hesitate to contact your dealer Opening the box you should find e One C7 AC Mains cord matching your area 4 rubber feet Mains voltage MyDAC is equipped with an internal universal power supply allowing you to use MyDAC with voltage and frequency in the range of 85 265 Vac 50 60 Hz Connections and Power up Except for the mains cord MyDAC is not supplied with any interconnect cables To get the best out of your unit we recommend that you use good quality cables Check with your dealer Following the diagram on the next page connect
4. ge Cleaning of the unit 1 Unplug MyDAC from AC mains 2 Using a soft cloth gently wipe out the dust from MyDAC surfaces To avoid any damage to the product never use any solvent or cleaning product containing solvent such as acetone trichloroethylene Never use any abra sive material to clean MyDAC 3 Once MyDAC has been cleaned you can connect the unit to the AC mains again Working conditions Working temperature from 0 to 35 C 32 to 95 F Storage temperature from 25 to 60 C 13 a 140 F Relative humidity working from 20 to 80 Relative humidity storage from 10 to 90 without condensation Warning To reduce the risk of fire or electrical shock do not expose MyDAC to rain or moisture Warning e Do not use MyDAC near water e Do not place objects filled with liquid on or near MyDAC e Do not place MyDAC near any heat sources such as radiators stoves or other heat generating products including open flames e Disconnect MyDAC during lightning storms or when unused for extended periods e Refer all service related issues to qualified personnel AUDIS sarl 13 15 rue du 8 Mai 1945 94470 Boissy Saint Leger FRANCE Fax 33 0 1 4382 6128 www micromega hifi com VAT FRO7500331301
5. lass 1 0 and 2 0 without using any specific driver on Mac For PC users an audio class2 0 specific driver is available on our website www micromega hifi com The audio class selector is located on the back panel of MyDAC next to the USB input connector In USB asynchronous mode jitter is minimized by the use of very low jitter masterclock oscillators controlling the incoming data flux When you use the USB input for the first time you will have to declare MyDAC as playing device in your computer s operating system Each operating system being different we recommend that you refer the your computer s operating system manual to do this 3 COAX SPDIF Coaxial input accepting input levels as low as 0 2V p p 750 and operating up to 24 bits 192 kHz The masterclock regenarating circuit features less than 50 ps Rms of jitter Once again we need to point out that the quality of the cable used for such input is of great importance especially when you reach sample rates above 96kHZ and becomes critical for 192kHz sample rate Ideally this cable should have a specific impedance of 750 to avoid data bouncing inside the cable creating erroneous data 4 OPTO SPDIF Toslink Optical input working up to 24 bits 192 kHz The quality of the optical fibre used with this input is very important if you want to get the best of your MyDAC and especially if you will use high sample rates Please check with your dealer that will recommend the best cable for your usa
6. put impedance Mains Power supply Type of cord Mains voltage range Mains frequency range Standby consumption 85 140 Vac Standby consumption 185 265 Vac Operating consumption 85 265 Vac Dimensions Unit L x Hx W mm Packaging L x H x W mm Weight Unit Packaging 1 x gt 0 2v p p 750 1 x Toslink 1 x class1 0 class 2 0 32 kHz 192 kHz 44 1 kHz 192 kHz 16 24 bits 5 Hz 100 kHz 0 1 dB gt 110dB lt 0 002 2V rms 600 Q C7 85 265 Vac 47 63 Hz lt 0 5W lt 2 5 W lt 2 5 W 140 x 140 x 35 206 x 201 x67 300 g 400 g FAQ USB input e There is no sound coming out of MyDAC or the sound is coming from my com puter speakers or sound card Solution MyDAC has not been declared as playing audio device in your PC confi guration panel or in the Audio preferences of your Mac COAX or OPTO inputs e There is no signal on MyDAC analog outputs Solution MyDAC receives an unvalid SPDIF signal or this signal is encoded Dolby Digital DTS DSD which requires the use of a specific decoder MyDAC can only reproduce PCM non encoded signals In any case you should always check all connections between MyDAC and other units of your system WARRANTY Your MyDAC is covered by a one year warranty from the date of purchase If the device requires servicing return it to the dealer you purchased it from packed in the original box along with the purchase invoice The warranty cov
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