Master Clock Product Reviews:

Features Of V-Acoustics® Master Clock

Engineered and Manufactured in Portugal by VResearch, Ltd, specialized on High Reliability Electronics for Audio and Scientific Instrumentation

Model M1

Technical Characteristics
and Achievements - M1

  • Reproduction of Digital Sources with an Ultra Low Noise / Jitter and High Stability 10 MHz Reference Signal
  • Ultra Low Jitter: femtosecond jitter clock
  • Frequency Calibration by GPS Satellite Atomic Clocks to < 10 ppb (parts per billion)
  • Maximization of DAC’s Resolution and Dynamic Range
  • High Levels of Synchronization and Timing Accuracy on D A Converters and Transporters
  • Reduction on Total Harmonic and Multi Tone Intermodulation Distortions

Key Benefits of
V-Acoustics® Master Clock - M1

  • Increase on Spatial Location and Sonic Textured Characteristics
  • Time and Frequency Reproduction with added Fidelity
  • Higher Dynamic Range and Tone Quality
  • Increased Levels of Clarity and Soundstage
  • Discover every Music Detail and let it be an Overwhelming Experience

Manufacturing Details - M1

  • Microprocessor Controlled for Power Supply Control, Diagnostics and Self Timing Analysis
  • Overvoltage Protected and Noise Suppression Power Supply with Soft Start Techniques for increase Reliability and Robustness
  • Dual AC filtering
  • Dual Independent DC Power Supply
  • Tripe DC Power Supply Regulation
  • Development with High Speed Digital Design and Low Noise Techniques
  • All Solid State Switching - No Electrical and Electromechanical Contacts
  • Monoblock Construction with Superior Strength Structural Aluminum Alloy
  • Extra Robustness Construction with High EMC Immunity
  • Proprietary Design with Cork Composite Feet for Vibration Damping

Technical Specifications
Clock Outputs - M1

  • Frequency:
    Two synchronous 10 MHz outputs
  • Ultra Low Jitter:
    10 femtoseconds rms (10-100 Hz)
  • Output level:
    Rectangular Wave (TTL levels)
  • Frequency temperature stability:
    < 10 ppb (0-50 °C)
  • Frequency accuracy:
    Better than ±10 ppb (when shipped new)
  • Output Clock Stabilization:
    Minimum 1 m (minute)
    Optimum 5-15 m (minutes)
  • Connectors:
    Two gold plated socket/female connectors;
    BNC 50/75 Ohm + BNC 50/75 Ohm
    (Customizable)

Technical Specifications
General - M1

  • Power Supply:
    AC 230 V ± 10 %, 50/60 Hz
  • Power Supply Connector:
    IEC 60320 C14 inlet
    (gold plated terminals)
  • Power Consumption:
    15 VA (while warming up) /
    8 VA (when stable)
  • External dimensions:
    (W x H x D, including protrusions)
    300 mm x 300 mm x 125 mm
    11.8″ x 11.8″ x 4.9″
  • Weight: 8 kg (17.6 lbs)

Model M2

Technical Characteristics
and Achievements - M2

  • Reproduction of Digital Sources with an Ultra Low Noise / Jitter and High Stability 10 MHz Reference Signal
  • Ultra Low Jitter: femtosecond jitter clock
  • Frequency Calibration by GPS Satellite Atomic Clocks to < 10 ppb (parts per billion)
  • Maximization of DAC’s Resolution and Dynamic Range
  • High Levels of Synchronization and Timing Accuracy on D A Converters and Transporters
  • Reduction on Total Harmonic and Multi Tone Intermodulation Distortions

Key Benefits of
V-Acoustics® Master Clock - M2

  • Increase on Spatial Location and Sonic Textured Characteristics
  • Time and Frequency Reproduction with added Fidelity
  • Higher Dynamic Range and Tone Quality
  • Increased Levels of Clarity and Soundstage
  • Discover every Music Detail and let it be an Overwhelming Experience

Manufacturing Details - M2

  • Microprocessor Controlled for Power Supply Control, Diagnostics and Self Timing Analysis
  • Power Supply with Soft Start Techniques for increase Reliability and Robustness
  • Dual DC Power Supply Regulation
  • Development with High Speed Digital Design and Low Noise Techniques
  • All Solid State Switching - No Electrical and Electromechanical Contacts
  • Monoblock Construction with Superior Strength Structural Aluminum Alloy
  • Extra Robustness Construction with High EMC Immunity
  • Proprietary Design with Cork Composite Feet for Vibration Damping

Technical Specifications
Clock Outputs - M2

  • Frequency:
    Two synchronous 10 MHz outputs
  • Ultra Low Jitter:
    20 femtoseconds rms (10-100 Hz)
  • Output level:
    Rectangular Wave (TTL levels)
  • Frequency temperature stability:
    < 10 ppb (0-50 °C)
  • Frequency accuracy:
    Better than ±10 ppb (when shipped new)
  • Output Clock Stabilization:
    Minimum 1 m (minute);
    Optimum 5-15 m (minutes)
  • Connectors:
    Two nickel plated socket/female connectors;
    BNC 50 Ohm + BNC 75 Ohm
    (Fixed)

Technical Specifications
General - M2

  • Power Supply:
    Universal 100 / 120 / 230-240 V
    ± 10 %, 50/60 Hz
  • Power Supply Connector:
    IEC 60320 C14 inlet
  • Power Consumption:
    10 VA (while warming up) /
    5 VA (when stable)
  • External dimensions:
    (W x H x D, including protrusions)
    200 mm x 200 mm x 60 mm
    7.9″ x 7.9″ x 2.4"
  • Weight: 4 kg (8.8 lbs)

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