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Mutec REF 10 | Audiophile 10 MHz Reference Master Clock
Mutec REF 10 | Audiophile 10 MHz Reference Master Clock

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Mutec REF 10 - Audiophile 10 MHz Reference Master Clock

  • Audiophile 10 MHz reference generator with industryís 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
  • High slew-rate square wave signal for superior lock precision
  • Simultaneous reference outputs with 50 and 75 Ω impedance
  • 8 galvanically isolated, individually switchable BNC clock outputs
  • Sub-Hz optimized, lowest noise power supply for every circuit section
  • Highly efficient power line filtering
  • Intuitive user interface with noble aesthetics
  • Rack-mountable with optional mounting brackets for studio use (2 RU)

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 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. To do so, we recruited one of Germanyís most renowned RF engineers to join our R&D team. Together we developed a master clock generator with a technical performance beyond what we thought could be possible. The effects of the technical performance were then verified by a group of experience audiophile beta testers to ensure that the high-end performance translates to best-in-class sound.

The REF 10 is a superior 10 MHz reference master clock and MUTEC'S first Empyreal Class product combining uncompromising engineering with the beauty of simplicity and the utmost clock precision. It is engineered around their handcrafted, oven-controlled oscillator (OCXO) made in Germany, featuring highest clock stability in the time domain relevant for audiophile digital audio performance.

Exceptional Design
The REF 10 was designed with a dual linear power supply based on a German made toroidal transformer. It provides a dedicated transformer winding for the sensitive OCXO that is completely isolated form the surrounding circuit. Networks of lowest-ESR (equivalent series resistance) capacitors made by Panasonic ensure best interference suppression for the supply voltages. Hereafter, sub-Hz optimized, lowest-noise voltage sources arranged in multiple stages independently supply every part of the circuit to avoid mutual interference.

For the heart of the REF 10, MUTECís handcrafted OCXO, MUTEC developed a dedicated power source with incredibly low noise. Following this, they developed unique ultra-low noise clock distribution and amplification circuits, which successfully transfer the oscillatorís reference signal to the REF 10ís eight outputs with virtually no losses. They also chose a very high slew-rate, lowest ripple square wave signal for the REF 10. In contrast to the low slew-rate sine wave signals used by competing brands, this leads to superior lock precision and therefor minimized jitter at the receiving end. As a result, connected devices like DACs (D/A converters) and audio clocks will sound even better.

The REF 10 also minimizes the negative influences of radio-frequency interference by placing the circuit boards in a 1.5 mm thick steel enclosure, isolating the sensitive electronics from, outside electrical disturbances. To avoid any power line interference, the REF 10 is quipped with one of the best premium, brand-name power entry modules available. It offers enhanced low frequency filtering and superior EMI immunity. There are no open, unfiltered power cables inside the unit unlike many other products on the market. Finally, it is designed with galvanically isolated output stages to minimize susceptibility to hum caused by ground loops. Every BNC reference clock output can be switched off individually so that only the currently desired output for a given setup needs to be active.

One Clock to Rule Them All
The REF 10 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. Due to its ultra-low noise characteristics and its unrivaled flexibility the REF 10 can enhance the audio quality of compatible D/A converters (DACs) and re-clockers, music servers, and audio clocks to the highest possible level. It is the perfect match and ideal upgrade for MUTEC's 10 MHz ready products like the
MC-3+ and MC‑3+USB Smart Clocks.

Eight simultaneous clock outputs at both 50 and 75 Ohms impedance allow you to use the REF 10 in combination with not just MUTEC products, but also 10 MHz compatible products by all other third-party manufacturers.

For more info on this or any Multec product, visit www.mutec-net.com

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