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

Technical Characteristics
and Achievements

  • Reproduction of Digital Sources with an Ultra Low Noise / Jitter and High Stability 10 MHz Reference Signal
  • Ultra Low Jitter:
    Model M1: < 10 femtoseconds rms (10-100Hz)
    Model M2: < 20 femtoseconds rms (10-100 Hz)
  • 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

  • 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


  • 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
  • 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:

  • Frequency
    Two synchronous 10 MHz outputs
  • Output level
    Rectangular Wave (TTL levels)
  • Frequency temperature stability
    Model M1: ±2 ppb;
    Model M2: ±5 ppb
  • Frequency accuracy
    Better than ±10 ppb (when shipped new)
  • Output Clock Stabilization
    minimum 60 s (seconds); Optimum 5 m (minutes)
  • Connectors
    Model M1: Two gold plated socket/female connectors, BNC 50/75 Ohms
    Model M2: BNC 50 Ohm + BNC 75 Ohm

Technical Specifications

  • Model M1 Power Supply
    AC 230 V ± 10 %, 50/60 Hz
  • Model M2 Power Supply
    Universal 100 / 120 / 230-240 V
    ± 10 %, 50/60 Hz
  • Power supply Connector
    IEC 60320 C14 inlet (M1 - gold plated terminals)
  • Model M1 Power Consumption
    15 VA (while warming up) / 8 VA (when stable)
  • Model M2 Power Consumption:
    10 VA (while warming up) / 5 VA (when stable)
  • Model M1 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″
  • Model M2 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″
  • Model M1 Weight:
    8 kg (17.6 lbs)
  • Model M2 Weight:
    4 kg (8.8 lbs)

Contacting V-Acoustics®

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