REF 10
6
Introduction
General Description
Thank you very much for your purchase of the MUTEC REF10,
respectively the REF10 SE120 an audiophile 10 MHz reference
master clock generator.
The REF10 is an audiophile reference master clock generating
10 MHz signals with ultra-low phase noise (i.e. jitter) to sig-
nificantly 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 mu-
sic. It is also 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.
In contrast to so-called »atomic clocks«, clocks based on a ru-
bidium or cesium normal, the REF10 as well as the REF10 SE120
are engineered around MUTEC's handcrafted, oven-controlled
oscillators (OCXO) made in Germany, featuring significantly
higher clock stability in the time domain relevant for audiophi-
le digital audio performance. Newly developed ultra-low noise
clock distribution and amplification circuits based on sub-1 Hz
optimized, lowest noise voltage sources transfer the reference
signal to the unit's eight outputs with virtually no losses.
As a result and unlike any other currently available reference
generator the REF10 and REF10 SE120 fulfill both of the cri-
tical requirements for an extraordinary audiophile reference
master clock:
•
Lowest possible phase noise for unmatched audio
•
Highest clock precision for most accurate synchronization
The REF10 SE120 is a special version of the REF10 that we
have further enhanced in terms of signal performance. It out-
performs the original REF10 in this regard considerably. A
clearly measurable advantage is the result of a special feature
of the REF10 SE120: its much more elaborately manufactured
and selected OCXO. This oscillator is selected according to the
strictest standards in test procedures lasting many hours with
help of exceptionally precise and expensive measuring tech-
nology. The use of such an outstanding oscillator is responsible
for the fact that the REF10 SE120 currently delivers - to our
knowledge - the lowest phase noise, respectively jitter values
in the industry. This outstanding technical performance has
a noticeable impact on the sonic audiophile result. Precision,
transparency, spatiality and dynamics of the musical presenta-
tion reach an unprecedented level and will amaze you!
Features REF10 and REF10 SE120
•
Audiophile 10 MHz reference generator with leading
lowest phase noise
•
Improves and enhances compatible DACs, audio re-clo-
ckers, music servers and master clocks
•
Engineered around a handcrafted, ultra-low phase noise
OCXO made in Germany
•
Revolutionary, sub-Hz optimized, lowest noise power
supply for every circuit section
•
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 75
Ω impedance for maximum compatibility with clocks and
DACs by other manufacturers
•
Eight galvanically isolated, individually switchable BNC
clock outputs
•
Highly efficient power line filtering
•
Integrated, highest-quality international linear power
supply
•
Intuitive user interface with noble aesthetics
•
Rack-mountable with optional mounting brackets for
studio use (2U)
Features REF10 SE120
•
Audiophile 10MHz reference master clock generator with
ultimately-low phase noise of -120 dBc measured at 1 Hz
offset from the carrier frequency of 10 MHz
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