METRUM Amethyst User Manual
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METRUM Amethyst User Manual

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"
"
AMETHYST
NOS single ended DAC
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.
All-Engineering BV
https://metrumacoustics.com
info@metrumacoustics.com

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Summary of Contents for METRUM Amethyst

  • Page 1 " " AMETHYST NOS single ended DAC 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. All-Engineering BV https://metrumacoustics.com info@metrumacoustics.com...
  • Page 2 Conventional analogue volume control … directly coupled to D/A output board ensures – detailed quality sound. However, the icing on the cake … is that the AMETHYST by Metrum Acoustics also has the ” looks “ to partner what’s inside.
  • Page 3 Analogue outputs become active with volume control muted. With the Analogue output circuits in play, all power is diverted to DAC performance. note: The AMETHYST will reach its maximum performance after a three to four weeks usage. All-Engineering BV https://metrumacoustics.com...

  • Page 4: Important Safety Instructions

    10. The AMETHYST DAC must be placed on a firm, level surface where it is not exposed to dripping or splashing.
  • Page 5 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) All-Engineering BV https://metrumacoustics.com info@metrumacoustics.com...

  • Page 6: Inputs & Connections

    RCA outputs: Standard interlinks can be used to connect the DAC to your amplifier. The "AMETHYST" is designed conform the "Red book standard", the maximum output will be 2 Volts RMS or 5.7 Volts peak to peak. Your (pre)amplifier should handle this output level. The outputs are switched off in case a headphone is connected at the front panel.

  • Page 7: Operation

    • Mains supply: First check or the marks on the backside of the "AMETHYST" if it matches the power requirements for the specific country. • Mains inlet: Use the supplied power cable to a grounded power outlet. Operation • On/Standby: If the main switch (on the back of the DAC) is on, the DAC comes into a “stand by”...

  • Page 8: Headphone Connection

    Headphone connection • Headphone connection: As long the headphone connection is not used, the AMETHYST will work as a normal DAC. Signals coming from the DAC modules will be 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.
  • Page 9 Technical specs : Working principle: Non-oversampling 24 bit DAC. Power supply: 30 VA single toroid transformer. Average power consumption 8 Watts. On standby < 1 Watt Power requirement: 110/115V AC or 220/230 V AC 60/50Hz Inputs: 1x optical Toslink, 2x RCA coaxial. 1x USB module optional Outputs: 2x RCA connectors.

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