MUTEC GmbH, a German manufacturer of audio equipment for studio professionals and audiophile consumers, has announced the release of the REF10 SE120.

The 10 MHz reference clock generator REF10 SE120 has a phase noise value of <‑120 dBc measured at 1 Hz distance from the carrier frequency of 10 MHz, the REF10 SE120 produces low jitter measured values of an average of <15 fs in the crucial measuring range between 1-100 Hz. MUTEC says that the REF10 SE120 improves and enhances the sound quality of compatible DACs, audio re‑clockers and music servers.

MUTEC REF10 SE120 Ultimate 10 MHz Reference Master Clock

Crystal Oscillator

The MUTEC REF10 SE120 is a special version of it’s predecessor REF10 that was launched in 2017 and has now been further enhanced in terms of signal performance. The REF10 SE120 differs from the standard REF10 in regards to its much more elaborately manufactured and selected oven‑controlled crystal oscillator (OCXO).

“Without doubt, the REF10 was and is a milestone in the development of audiophile reference clock generators. During the development, we noticed that its sonic performance in particular is decisively influenced by the crystal oscillator used. As a result, our REF10 developer and our oscillator supplier came together to optimize the oscillator’s production so that a sufficient quantity of oscillators can be produced in the quality level required for the REF10 SE120. We are sure that with the REF10 SE120 we are offering our customers a product that fully meets the continuously increasing demands for audiophile improvement of audio components as well as delivering perfect clock synchronization in a commercial studio environment.“ says Christian Peters, CEO MUTEC

MUTEC REF10 SE120 Ultimate 10 MHz Reference Master Clock Rear

The REF10 SE120 has eight simultaneous available clock outputs at both 50 Ω and 75 Ω impedance which allow the use of the REF10 SE120 in combination with MUTEC products with a 10 MHz input like the MC3+/MC3+USB Smart Clocks and iClock/iClock and also 10 MHz compatible components by third-party manufacturers.


Due to the limited availability of the crystal oscillators, the MUTEC REF10 SE120 is available only in small batches and will be shipped with either a black or aluminium coloured front plate for the list price of € 5,498.00 (including VAT).

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