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Goldmund

Mimesis Reference - Preamplifier

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A complete redesign of the power supply has been implemented, utilizing separate analogue and digital circuits. The Mimesis Reference defies convention with its mastery over Ultra-Low Transient Intermodulation Distortion (TIM). Every delicate transition, every crescendo, is imbued with a purity that embraces the essence of true fidelity.

Features:

  • Power, Redefined: The power supply uses separate analog and digital circuits with custom audio-grade transformers for each section, providing dedicated power supplies for the left and right channels for better separation.
  • Mastery in Dissipation: A separate power supply drives the digital section, with in-house crafted heat sinks maximizing heat dissipation. Custom Goldmund components ensure a stable sonic power supply.
  • Crafted to Perfection: The preamplifier features CNC-machined heat sinks for better cooling. Each Low Noise Op-amp has a custom heat sink made from a single piece of aluminum for optimal cooling efficiency.
  • Elegant Audio Jewel: The Mimesis Reference Analogue Preamplifier, available in silver grey or matte black, can be customized with gold or matching front rings. This elegant design complements its high performance and fits any aesthetic.

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OUTPUT LEVEL:

  • Nominal level: 1.55 V RMS
  • Maximum output level (balanced): 9.6 V RMS
  • Maximum output level (unbalanced): 4.8 V RMS
  • Output impedance: 50 Ohms

FQREUENCY RESPONSE:

  • These values for any level to 10 V RMS:
  • +/- 0 dB, 20 Hz to 20 kHz
  • +/- 3 dB, 0.2 Hz to 1.2 MHz

INPUT SENSITIVITY:

  • Nominal level: 100 mV
  • Saturation level: 5 V RMS
  • Nominal input impedance: 39 kOhms
  • Separated input level adjustment for each of the 7
  • line inputs: -12 to 12 dB

INPUT LEVEL:

  • Maximum input level (balanced): 9.6 V RMS
  • Maximum input level (unbalanced): 4.8 V RMS

GROUP DELAY:

  • Propagation delay <300 ns stable with frequency
    from DC to 200 kHz

DISTODRTION:

  • 1 V RMS output level, 80 kHz measurement
    bandwidth
  • 600 ohms termination impedance
  • THD unbalanced input to unbalanced output
    0.0002 % flat with frequency

DISTORTION (CTD.):

  • THD balanced input to balanced output 0.0001 %
    flat with frequency
  • IMD unbalanced input to unbalanced output
    0.0002 %
  • IMD balanced input to balanced output 0.0001 %

SPEED:

  • Slew rate of the amplification stages: 2500 V/us
  • Rise time: < 400 ns

NOISE:

  • Signal-to noise ratio on line input: > 126 dB (0.01
    Hz - 10 MHz)
  • Weighted ASA A: > 136 dB

POWER:

  • Nominal line voltage: 115 V or 230 V
  • Input voltage range: +/- 15 %
  • Maximum power consumption: 70 W

GROUNDING:

  • Separated ground and earth signal
    Connection optional between earth and ground to
    cancel all ground loops

SAFETY FEATURES:

  • Automatic switching to MUTING if the AC line
    drops or is interrupted
  • Automatic protection against tape loops

FRONT PANEL CONTROL:

  • MUTING/POWER switch control
  • VOLUME control
  • BALANCE control
  • RECORD/MENU switch
  • PHASE/EDIT switch
  • 7 INPUT

REAR PANEL CONNECTORS & CONTROLS:

  • Power connector
  • Earthing post (yellow-green)
  • Output connectors XLR (right & left) balanced
  • Output connectors RCA (right & left) for Tape and
  • Line outputs
  • Signal grounding post (black)
  • Input connectors XLR (right & left) balanced
  • Input connectors RCA (right & left) for Tape and
  • line inputs
  • Link float
  • RS232 Connector

POWER SUPPLY CONTROLS:

  • Main fuse (2.5 A slow-blow)

SIZE & WEIGHT:

  • Preamplifier
  • 44 W x 16 H x 40.6 D (cm) – 17.3 W x 6.3 H x
  • 16 D (inch)
  • 20 kg
  • Power Supply
  • 44 W x 16 H x 39 D (cm) – 17.3 W x 6.3 H x
  • 15.4 D (inch)
  • 25 kg