Instrukcja obsługi Esoteric G-01
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M as t e r Cloc k G e n e r at or G - 01
ESOTERIC’s original gold-plated BNC ports
G-01 uses ESOTERIC’s original BNC ports that provide highly reliable
contact. These durable and secure ports can handle even the heaviest
and thickest high-end cables.
Superb chassis construction for optimal performance
Since the oscillator is generally susceptible to vibrations, chassis
construction has been designed with the utmost care. G-01 has an
extraordinarily thick and highly-rigid aluminum chassis that minimizes the
small vibrations that could affect clock precision.
Aesthetic rounded form
Thick aluminum material is used for the front, side and top panels, as well
as the front corners. The G-01 chassis design has inherited the tradition
of the rest of the ESOTERIC product line with screw-less rounded top and
corners. The appearance of G-01 is in perfect harmony with ESOTERIC
digital players.
The front panel, engraved with the ESOTERIC logo, is finished off with a
refined short scratch proof material and gives off an aura of dignity as the
main component controlling the entire operation of a digital reproduction
system.
SACD/CD Transport
Clock Clock
Mast er Clock Generator
D/A Converter
Digital Audio
SACD/CD Player Mast er Clock Generator
Clock
fig.1 fig.2
Clock outputs
CLOCK OUT
44.1 kHz setting 44.1, 88.2, 176.4, 352.8, 705.6 kHz
1.4112, 2.8224, 5.6448, 11.2896, 22.5792 MHz
48 kHz setting 48, 96, 192, 384, 768 kHz
1.536, 3.072, 6.144, 12.288, 24.576 MHz
Both settings 100 kHz, 10 MHz
Connectors BNC coaxial (75 Ω)
Output level Rectangular wave (TTL level / 75 Ω)
10MHz OUT 10 MHz
Connectors BNC coaxial (50 Ω)
Output level Sine wav 50 Ωe 5 ± s /: 0. 0.1 Vrm
Master clock input
Input frequency
Rb+EXT1pps mode 1pps signal (GPS precision or better)
Rb+EXT10M mode 10MHz (GPS precision or better)
EXT 10M-IN mode 10 MHz (within ±10 ppm)
Connector BNC coaxial (50 Ω)
Input levels
10MHz Sine wave: 0.5–1.0 Vrms/50 Ω
Square wave:1.5–3.0 Vpp/50 Ω
1pps signal Positive pulse,TTL level/100 kΩ
Output clock stabilization (approximate time in minutes)
Until oscillator stabilizes after power turned on 10
PLL locking time 1
1pps locking time 10
Frequency stability Within ±0.1 ppb (-20°C to +65°C)
Frequency precision Within ±0.05 ppb (when shipped new)
General
Power supply AC 230V, 50Hz
AC 120V, 60Hz
AC 220V, 60Hz
Power consumption 85W (while warming up)
28 W (when stable)
Dimensions (W × H × D) (including protrusions)
445 x 131 x 360 mm (17 1/2”x 5 1/8”x 14 1/8”)
Weight 13kg (28 1/2 lbs)
Included accessories
Power cord x 1
Owner’s manual x 1
Warranty card x1
Specifications
PRINTED IN JAPAN 0612O05•TECD - 0156
ESOTERIC COMPANY
1-47 Ochiai, Tama-shi, Tokyo 206-8530, Japan
Fax: (042)356-9240
www.esoteric.jp http://esoteric.teac.com/
- This product is available in three different power supply variations shown in the chart above. Make sure that the voltage shown on the rear panel matches the
AC line voltage in your area.
- The shape of the AC inlet and plug of the supplied power cord depends on the voltage rating and destination country.
- Specifications and appearance are subject to change without notice.
- Weight and dimensions are approximate.
Please note that Esoteric products are available at authorized distributors in respective countries.
" ESOTERIC " is a trademark of TEAC Corporation, registered in the U.S. and other countries. "Super Audio CD" is a registered trademark.
©2012 TEAC Corporation. All Rights Reserved. All text, images, graphics and other materials on this catalogue are subject to the copyright and other intellectual
property rights of TEAC Corporation. These materials shall not directly or indirectly be published, reproduced, modified or distributed in any medium.
Design and specifications are subject to change without notice.
P R O U D L Y M A D E I N T O K Y O
G-01
Ma s t e r C lo ck G ene r a tor
Rubidiumclockoscillatormodule
Talk of flawless sound produced by an audio system connected together with a high precision
master clock has been circulating between high-end audiophiles in various forms. As an example,
the three dimensional effect of the sound stage gives the listener an actual feel of the high ceiling of
a concert hall in addition to the width and depth of the original performance. e listener is
treated to a pure and focused image of the playback sound that gives a sense of reality as if one
could reach out and touch it. When the final note of the musical instrument fades away, you
almost perceive the gradual silence like the color of a dark veil. is is truly an ultimate
achievement of audio playback that “conveys music” so close to the original sound it leaves an
unforgettable impression on the listener.
With the aim of enhancing the true potential of ESOTERIC digital players, the clock generator
“G Series” was redesigned as a new generation of devices with improved functionality, power and
flexibility.
e G-01 uses a high precision Rubidium oscillator with a frequency precision of ±0.05 ppb
(parts per billion) or ±0.00005 ppm which provides optimum stability as an audio clock. is
next generation clock generator supports master clock outputs of 10 MHz and 22.5792 MHz.
Master clock generator equipped with ultra high precision rubidium oscillator
Digital audio synchronized to one high precision master clock
New support for 10 MHz and 22.5792 MHz master clock outputs Master clock generator
Every digital audio device operates with an internal circuit generating the
clock signals, or heartbeat, required to operate that device. This master
generator is an extremely stable oscillator that supplies external clocks to
digital devices (such as a transport, D/A convertor, Super Audio CD player)
equipped with clock input terminals. The master clock generator supplies
clock signals with a higher degree of purity and stability than clocks
generated internally by digital devices and vastly improves the sound quality.
By operating connected devices off the same highly stable master clock,
timing errors called jitter are virtually eliminated greatly improving imaging
and dimensionality while darkening the background.
Ultrahigh precision rubidium oscillator installed
as the heart of the unit
An American-made rubidium oscillator with a frequency precision of
±0.05ppb＝±0.00005 ppm is used as the core of this extraordinarily
accurate timing device. This oven-controlled oscillator significantly
improves the performance of the clock generator. This oscillator module
has been manufactured to ESOTERIC’s demanding specifications with
sound quality and stability being given top priority. The sound quality one
would expect from our best model in the master clock generator series
has been achieved.
Newly-designed discrete clock output driver circuit
configuration
G-01 has adopted a newly-designed discrete clock output driver circuit
configuration. The circuit uses an ultra high-speed transistor that is
optimal for generating digital waveforms for which ultrafast speed and
a high degree of accuracy are required. Combined with a heavy-duty
power supply, this circuit contributes to major improvements in sound
quality by providing an accurate, stable timing signal to audio devices.
Power section with sufficient capacity
The G-01 clock generator has a powerful power supply section that
supports its basic performance. Three power supply circuit boards,
a total of 15 power supply regulators, and independent power
supplies for each circuit block have been installed to minimize
mutual interference between circuit blocks and to supply clean
energy to all parts. A large toroidal transformer, which enables
highly efficient and high power actuation, is used as the main
component in the power supply which is essential to the sound
quality. An El core transformer is used in the display section. A
series of multiple capacitors are used for a ripple filter circuit and
Schottky barrier diodes are used for quick response supporting fast
digital processing which assists the accuracy of the clock’s signal
generation.
10MHz clock and 22.5792MHz master clock outputs
G-01 can output a 10 MHz clock (sine wave or square wave) as well as
22.5792 and 24.576 MHz master clocks that are compatible with
ESOTERIC’s original “Direct Master Clock Link.”
Three separate output systems
G-01 can output 100 kHz and 10 MHz (sine wave) in addition to clock
signals of 1x, 2x, 4x, and 512x multiples (22.5792 MHz/24.576 MHz) of
the base frequency (44.1 kHz or 48 kHz) from three separate A/B/C
output sections. Moreover, in frequency expansion mode (EXP), G-01 can
output 8x, 16x, 32x, 64x, 128x, and 256x multiples of the clock frequency
that enables it to supply clock signals to a wide range of devices,
including professional audio or video equipment.
Each of these systems has two output ports supplying clock signals to a
maximum of six devices. The output frequency can be set individually for
each of the six ports from A1 to C2. If a single device is connected, all
output ports other than the A1 port can be turned off. This feature has
been added to avoid deterioration of sound quality occurring through
unnecessary inter-component interference.
10 MHz sine wave clock outputs
A 10 MHz square wave clock can be output from any of the output
terminals of A, B, and C. In addition, two systems are designed
specifically for devices equipped with 10 MHz sine wave
requirements.
External 10 MHz/1 pps input
A 10 MHz or 1 pps reference signal can also be input externally by
connecting an ultra high precision external clock. In addition to the input
reference signal mode, the new “Rubidium + external input” mode is also
available.
When a GPS receiver is connected to an external input terminal and the
“Rubidium + external input” mode is selected, the internal rubidium
oscillator is synchronized with higher center frequency precision, and
allows more stable clock signal output from rubidium oscillator than the
crystal controlled oscillator built into the external GPS receiver, which
makes the most of advantages of a high precision GPS system.
Specyfikacje produktu
| Marka: | Esoteric |
| Kategoria: | Nie skategoryzowane |
| Model: | G-01 |
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