METRUM Amethyst User Manual Download | Manualshive

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All-Engineering BV
https://metrumacoustics.com
info@metrumacoustics.com

What is in the Box

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The AMETHYST DAC

•

Power cord (only Euro or USA based power cords)

•

USB cable

•

USB stick (user manual and Windows USB drivers)

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Summary of Contents for Amethyst

Page 1: ...m info metrumacoustics com NOS single ended DAC AMETHYST User manual Updated 01 01 2018 Introduction Two DAC TWO Modules which provide plenty of processing power and substantial energy reservoirs to provide smooth and efficient delivery of power ...

Page 2: ...or and brings listening experience on a much higher level Despite the fact that both DAC modules are build on the same board an extremely high channel separation of 110 dB is realized This contributes to flawless positioning of instruments The headphone amplifier will drive impedance down to 16 Ohms and gets his power from a powerful 30VA power supply When the the AMETHYST is used as a DAC this po...

Page 3: ...rol is designed to power lower impedance models down to 16 Ohms 4 Volts is available on loads between 16 and infinity so power is constant regardless of the load When Phones are connected volume control becomes active and when disconnected the Analogue outputs become active with volume control muted With the Analogue output circuits in play all power is diverted to DAC performance note The AMETHYS...

Page 4: ... has been exposed to rain or moisture does not operate normally or has been dropped 10 The AMETHYST DAC must be placed on a firm level surface where it is not exposed to dripping or splashing 11 Before making connections to the DAC ensure that the power is off and other components are in mute or stand by mode Make sure all cable terminations are of the highest quality free from frayed ends short c...

Page 5: ... Engineering BV https metrumacoustics com info metrumacoustics com What is in the Box The AMETHYST DAC Power cord only Euro or USA based power cords USB cable USB stick user manual and Windows USB drivers ...

Page 6: ...nic isolation The coaxial input can handle a maximum sample rate of 192 kHz USB input Use an USB cable to connect the DAC to your computer Only when using a Windows operating system you should install special drivers In case of Linux or MAC no additional drivers are required The USB input can handle sampling rates up to 384 kHz RCA outputs Standard interlinks can be used to connect the DAC to your...

Page 7: ...by state There is just one button to toggle through the five possible states of the DAC Mute function By powering the DAC the mute function will be active for two seconds When switching the DAC to standby muting will be active again Source selection The digital inputs can be selected by using the only available button on the front which toggles from right to left and back to standby Error indicati...

Page 8: ...routed to the output connections on the back side of the unit As soon a headphone connector is plugged into the front connector the outputs on the back side of the DAC will be disabled Headphone volume control The volume control works only for the connected headphone and has no effect on the outputs on the back side of the unit Impedance of used headphones All types of headphones can be used with ...

Page 9: ...s One headphone connector Output voltage RCA 2 Volts RMS Headpone 2 Volts RMS Frequency response 1Hz 0 8dB 20 kHz 1 5 dB 44 1kHz sampling 1Hz 0 8dB 65 kHz 3dB 192kHz sampling Distortion 0 007 THD Noise floor 145 dB related to 2 Volt RMS Output impedance 100 Ohms RCA 3 Ohms for headphone connection Sampling frequency Optical 44 96 kHz sampling 16 or 24 bits Coaxial 44 192 kHz sampling 16 or 24 bits...

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