Mutec REF 10 Audiophile 10 MHz Reference Master Clock - Aluminum Front Panel

ITEM #: MUT-REF-10ALU MFG #: 8015-105

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Availability: Typically Ships in 3-10 Days
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  • Special Order Item: non-cancelable, non-returnable, non-refundable.

8015-105 - Overview

The MUTEC REF 10 is an audiophile reference master clock generating 10 MHz signals with industry-leading low phase noise (i.e. jitter) to significantly improve digital playback systems. As the conductor of your digital audio orchestra at home, the REF10 will inspire you with unheard-of clarity, graceful dynamics, and pure music.

It is the most flexible, most compatible 10 MHz clock on the market allowing you to spend less time worrying about integration and leaving you with more hours to enjoy blissful playback.

Currently available digital converters, master clocks, and audio re-clockers perform acceptably when reproducing or processing digital audio. Even so, we at MUTEC felt that the existing solutions fall short of delivering the full potential of audio productions. In our commitment to advancing the state of the art and science we set out to investigate the possibilities to further enhance the performance of digital audio systems. The result of our extensive research is the REF 10, our first Empyreal Class product combining uncompromising engineering with the beauty of simplicity and the utmost clock precision.


As an audiophile performance enhancement for compatible DACs, master clocks, and re-clockers by any other brand
As an ultra-low noise, high stability clock reference for the entire digital audio chain at home or in the studio
As an ideal high-end upgrade for MUTEC's own MC-3+, MC-3+USB, and iClock/iClock dp master clocks
To stabilize existing audio clock generators

  • Features:

    • Audiophile 10 MHz reference generator with industry's lowest phase noise
    • Improves and enhances compatible DACs, audio re-clockers, music servers, and master clocks
    • Engineered around a handcrafted, ultra-low phase noise OCXO made in Germany
    • Generates a very high slew-rate square wave signal for superior lock precision compared to the sine wave signals used by competing brands
    • Provides simultaneous reference outputs with 50 and 75Omega; impedance for maximum compatibility with clocks and DACs by other manufacturers
    • Eight galvanically isolated, individually switchable BNC clock outputs
    • Revolutionary, sub-Hz optimized, lowest noise power supply for every circuit section
    • Integrated, highest-quality international linear power supply
    • Highly efficient power line filtering
    • Intuitive user interface with noble aesthetics
    • Rack-mountable with optional mounting brackets for studio use (2 RU)
  • Specifications:

    • Interfaces
    • 2 x 10 MHz reference clock BNC output, 50Ω terminated, unbalanced
    • 6 x 10 MHz reference clock BNC output, 75Ω terminated, unbalanced
      Signal Format of all Clock Outputs
    • Square wave, 10.000 MHz, 2 Vpp, 50:50 duty cycle
      Clock Generation:
    • Type: 10.000 MHz ultra-low noise oven-controlled crystal oscillator
    • FQ stability when shipped: < +/-0.01 ppm
    • FQ stability vs. temperature range: < +/-0.01 ppm within -20 °C to +70 °C (-4 °F to +158 °F)
    • Short term stability (Allan deviation) at Tau = 1 s: 1 x 10-12 (typically)
    • Aging after 10 days operation:
    • < +/-0.0005 ppm (per day),
    • < +/-0.05 ppm (1st year),
    • < +/-0.3 ppm (10 years)
    • Warm-up time at +25 °C (+77 °F) : <5 min
      Power Supply
    • Type: internal dual linear power supply
    • Input Voltage: 90-125 V / 200-240 V, 50-60 Hz
    • Power consumption: 12 W during oscillator warm-up, 8 W nominal operation
      Mechanical Details
    • Cover size/material/color: 196 x 84 x 300 mm (W x H x D, without connectors and case feet), 1,5 mm steel, black powder-coated
    • Front panel size/material/surface/color: 198 x 88 x 8 mm (W x H x D), aluminium, anodized incl. anodic printing or silk screening, aluminium- or black-colored
    • Weight: approx. 4350 g (9 lb, 9.5 oz)
  • Warranty:

    • 3-year extended manufacturer-guaranteed warranty
  • GTIN:


8015-105 - Required Accessories

    8015-105 - Recommended Accessories

    California Residents:
    Cancer and Reproductive Harm -