Esoteric G-0s Manuale utente

Master Clock Generator

Owner’s Manual

G-0s

CAUTION

<DO NOT REMOVE THE EXTERNAL CASES OR CABINETS TO

EXPOSE THE ELECTRONICS. NO USER SERVICEABLE PARTS ARE

WITHIN!

<IF YOU ARE EXPERIENCING PROBLEMS WITH THIS PRODUCT,

CONTACT TEAC FOR A SERVICE REFERRAL. DO NOT USE THE

PRODUCT UNTIL IT HAS BEEN REPAIRED.

<USE OF CONTROLS OR ADJUSTMENTS OR PERFORMANCE OF

PROCEDURES OTHER THAN THOSE SPECIFIED HEREIN MAY

RESULT IN HAZARDOUS RADIATION EXPOSURE.

IMPORTANT SAFETY INSTRUCTIONS

1) Read these instructions.

2) Keep these instructions.

3) Heed all warnings.

4) Follow all instructions.

5) Do not use this apparatus near water.

6) Clean only with dry cloth.

7) Do not block any ventilation openings. Install in accordance with

the manufacturer’s instructions.

8) Do not install near any heat sources such as radiators, heat

registers, stoves, or other apparatus (including amplifiers) that

produce heat.

9) Do not defeat the safety purpose of the polarized or grounding-

type plug. A polarized plug has two blades with one wider than

the other. A grounding type plug has two blades and a third

grounding prong. The wide blade or the third prong are provided

for your safety. If the provided plug does not fit into your outlet,

consult an electrician for replacement of the obsolete outlet.

10) Protect the power cord from being walked on or pinched

particularly at plugs, convenience receptacles, and the point

where they exit from the apparatus.

11) Only use attachments/accessories specified by the manufacturer.

12) Use only with the cart, stand, tripod,

bracket, or table specified by the

manufacturer, or sold with the apparatus.

When a cart is used, use caution when

moving the cart/apparatus combination

to avoid injury from tip-over.

13) Unplug this apparatus during lightning

storms or when unused for long periods

of time.

14) Refer all servicing to qualified service personnel. Servicing is

required when the apparatus has been damaged in any way,

such as power-supply cord or plug is damaged, liquid has been

spilled or objects have fallen into the apparatus, the apparatus

has been exposed to rain or moisture, does not operate normally,

or has been dropped.

<Do not expose this apparatus to dripps or splashes.

<Do not place any objects filled with liquids, such as vases, on the

apparatus.

<Do not install this apparatus in a confined space such as a book

case or similar unit.

<The apparatus draws nominal non-operating power from the AC

outlet with its POWER switch in the off position.

CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK,

DO NOT REMOVE COVER (OR BACK). NO USER-

SERVICEABLE PARTS INSIDE. REFER SERVICING TO

QUALIFIED SERVICE PERSONNEL.

The lightning flash with arrowhead symbol, within an

equilateral triangle, is intended to alert the user to the

presence of uninsulated “dangerous voltage” within the

product’s enclosure that may be of sufficient magnitude

to constitute a risk of electric shock to persons.

The exclamation point within an equilateral triangle is

intended to alert the user to the presence of important

operating and maintenance (servicing) instructions in the

literature accompanying the appliance.

Contents

Thank you for choosing TEAC. Read this manual carefully

to get the best performance from this unit.

IMPORTANT SAFETY INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . 2

Before Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Names of Each Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Set Up for Esoteric Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Set Up for DVD Player, Universal Player, etc. . . . . . . . . . . . . . . . 9

Dimmer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Before Use

Read this before operation

<As the unit may become warm during operation, always leave

sufficient space around the unit for ventilation.

<The voltage supplied to the unit should match the voltage as

printed on the rear panel. If you are in any doubt regarding

this matter, consult an electrician.

<Choose the installation location of your unit carefully. Avoid

placing it in direct sunlight or close to a source of heat. Also

avoid locations subject to vibrations and excessive dust, heat,

cold or moisture.

<Do not place the unit on the amplifier/receiver.

<Do not open the cabinet as this might result in damage to the

circuitry or electrical shock. If a foreign object should get into

the unit, contact your dealer or service company.

<When removing the power plug from the wall outlet, always

pull directly on the plug, never yank the cord.

<Do not attempt to clean the unit with chemical solvents as

this might damage the finish. Use a clean, dry cloth.

<Keep this manual in a safe place for future reference.

Placement of the unit

High-quality hardened tool steel is used for the pin-point feet,

securely attached to the bottom of the player. Although the

cover feet may appear loose, the weight of the unit causes

them to be firm and secure, and the design effectively damps

and reduces vibration.

<Be careful to avoid injury when moving the unit, on account

of its weight. Get someone to help you if necessary.

<To protect floors, etc. you may stick the felt supplied with the

unit to the bottom of the cover feet.

Pin-point foot

Bottom plate

of the unit

Steel foot

Cover foot retaining screws

Cover foot

Features

Up to 192 kHz Word Sync clock production

With the advent of digital equipment using higher sampling

frequencies than ever, 176.4 kHz and 192 kHz word clocks

(sync signals) are made available in addition to conventional

44.1 kHz, 48 kHz, 88.2 kHz and 96 kHz clocks.

As an additional plus, the output circuitry consists of 3

separate channels with a total of 6 output terminals, thus

offering the capability of handling a variety of audio

equipment controlled by different word clocks. Also, each of

the 3 output channels is switch-selectable between 1xFs,

2xFs, and 4xFs, so you can, for example, get an 88.2 kHz and

a 176.4 kHz machine synchronized by connecting them to the

single G-0s.

Clocks Generated by Internal High-precision

Oscillator

The G-0s uses an advanced rubidium oscillator (monthly

precision variation: projected within ±0.05ppb) that generates

astonishingly super-accurate clocks.

Ready for connection to external oscillators

It is also possible to connect external reference frequency

oscillators to the G-0s. Using this capability, you can, for

example, readily bring in a higher precision oscillator when

made available in the future.

Universal Clock Output

Some universal players use clocks different from the ones

used by CD players to process both the video and audio

signals at the same time.

The G-0s comes with a 100 kHz clock output intended for

universal players (in PAL FILM mode, the output is switched to

96 kHz). If your universal players are 100 kHz-capable, you

can control them by this high-precision clock.

PAL Film Source-capable Clock Frequencies

The PAL (European TV format) film source is a better image

quality than NTSC discs provide. However, PAL video system is

standardized at 25 frames per second while the PAL film

source discs use the rate of 24 frames per second. So, if these

discs are played back without inserting one additional frame

per second in the process of conversion, the sound pitch may

be higher than is expected. To play PAL film source material

correctly, it is necessary to reduce the play speed by 4% and

play at 24 frames per second. To meet this requirement, the

G-0s is designed to output clock frequencies of 96% of

48/96/192 kHz (i.e., 46.08/92.16/184.32 kHz).

To play PAL film source material, connect the Esoteric UX-1 or

any other Universal Player that is equipped to accept 96%

clock frequencies.

Super-rigid Chassis to Ensure

Uncompromised Sound Quality

A rigid chassis featuring a total weight of 18 kg (40 pounds)

helps to provide a stabilized platform for the clock operation.

<5-mm thick steel base plate completely eliminates external

vibrations.

<Triangular pinpoint feet composed of case-hardened tool

steel ensures enhanced stability against vibration.

Employs carefully selected highest quality

components

Tight-tolerance components are carefully hand-picked and

secured to the rugged chassis to support the high-precision

clock operation.

Names of Each Control

STANDBY/ON button

When the Main Power switch on the rear panel is ON, use

this button to turn the unit on or to standby. When the unit

is on, the indicator lights.

MASTER button

Press this button to select the signal source you will use for

the reference frequency.

When the clock signal is stabilized, the indicator for the

MASTER button stops blinking and lights steadily.

Xtal:

When using the clock made by internal crystal oscillator

Rb:

When using the internal rubidium oscillator as the source

clock

Ext:

When using the input from the reference sourced 10MHz IN

terminal

UNIVERSAL CLOCK OUT button

Use this to switch the Universal Clock output on or off.

Universal Clock is the TEAC-ESOTERIC original clock for

universal players.

When the FREQUENCY MODE is set to 44.1kHz or 48kHz,

the frequency of the universal clock is set to 100kHz. When

the FREQUENCY MODE is set to PAL FILM, the frequency of

the universal clock is set to 96kHz.

When OFF is selected, the indicator turns off.

A B C D E

FREQUENCY MODE button

Use this to select the fundamental frequency of the word

clock.

44.1kHz:

This is generally used for red-book CD players which operate

with a 44.1kHz clock standard.

48kHz:

This is used for DVD players, DAT recorders, etc. which

operate with a 48kHz clock standard.

PAL FILM:

This is used for reproducing PAL DVD discs at 24 frames/sec.

Frequency change buttons [A/B/C]

The frequency of the each line (A/B/C) is changeable

between 1x/2x/4x of the fundamental frequency and off.

Following frequency can be selected for each FREQUENCY

MODE.

When OFF is selected, the indicator turns off.

44.1kHz:

44.1kHz, 88.2kHz, 176.4kHz

48kHz:

48kHz, 96kHz, 192kHz

PAL FILM:

48P (46.08kHz), 96P (92.16kHz), 192P (184.32kHz)

WORD CLOCK OUT terminals

These terminals output precise word synchronization signals. Connect these OUT terminals to the

WORD SYNC IN terminals of the other digital equipment, using a commercially available BNC

coaxial cable.

<For other connections, read the instructions of each component you intend to use with this unit.

<Each of the A, B, and C channels is switch-selectable between 1xFs, 2xFs, and 4xFs. So you can,

for example, connect an 88.2 kHz and a 176.4 kHz machine to the single G-0s and synchronize

them. Three buttons (A, B, and C) are provided on the front panel for each channel.

UNIVERSAL CLOCK OUT terminal

Universal clock signal is an original synchronization format developed by TEAC-Esoteric.

These terminals output universal clock signals. Connect these OUT terminals to the UNIVERSAL

CLOCK IN terminals of the other matched equipment (ex. UX-1, P-01,etc.), using a commercially

available BNC coaxial cable.

10MHz IN terminal

You can use the input of external 10MHz reference frequency. Connect this terminal to the

output terminal of the external 10MHz oscillator. Use a commercially available BNC coaxial cable

for connection.

SIGNAL GND connection

Use a commercially available PVC-covered cord to connect the signal ground terminal on the unit

to the amplifier signal ground.

<Note that this is NOT an electrical safety ground (earth).

Power cord receptacle

After all other connections have been made, insert the supplied AC power cord into this

receptacle, then connect the other end of the power cord into the AC power source. Ensure that

your AC voltage corresponds to the voltage marked on the rear panel of the unit. Consult a

qualified electrician if you are in doubt.

<In order to avoid the risk of electric shock, fire, or other hazard, only use the supplied power cord

or a suitably approved OEM power cord.

<If you are not going to use the unit for some time, disconnect the power cord from the wall

socket.

Main Power switch

Use this to turn the unit on and off.

<When the G-0s is turned on, the process of pre-heating the rubidium oscillator to its operating

temperature gets started. It takes several minutes before the oscillator is ready for operation.

Keep the unit turned on if you want the oscillator to stabilize more quickly.

The equipment draws nominal non-operating power from the AC outlet with its POWER switch

in the OFF position.

2 3 4 5

Set Up for Esoteric Units

This is the recommended set up for synchronization with

TEAC-ESOTERIC CD units:

P-70, X-01, UX-1, P-01, D-01

Connect WORD CLOCK OUT terminals to WORD SYNC IN

terminals of each unit using commercially available BNC

coaxial cables.

P-70: turn ON the WORD SYNC IN switch (front panel), then

set the PLL filter switch (back panel) to ‘MODE2’.

X-01: select ‘Word M1 ON’ using the CLOCK MODE button.

UX-1: select ‘Word ON’ using the CLOCK MODE button.

P-01: select ‘Rb IN’ using the WORD button.

D-01: select ‘Rb IN’ using the WORD button.

Press the STANDBY/ON button to turn the unit on.

The standby indicator will turn off.

Press the MASTER button to select which oscillator you

will use for the reference frequency.

<“Rb” is recommended.

Select 44.1kHz using the FREQUENCY MODE button.

Select the frequency of the word clock for each line by

pressing the A, B or C button.

<Set the frequency as high as the connected units will allow for

synchronization.

P-70: 88.2 kHz

X-01: 176.4 kHz

P-01: 176.4 kHz

D-01: 176.4 kHz

NOTE:

If you connect this unit to other manufacturers units, be sure

to read the manuals of those devices to confirm the frequency

range of synchronization.

Dual AES connection will require you to set the clock

frequency at one half of the audio signal frequency.

Set Up for DVD Players, Universal Players, etc.

32 6 4 5

This is the recommended set up for synchronizing DVD

players, D/A converters and other similar digital devices.

Connect WORD CLOCK OUT terminals to word

synchronization input terminals of your units, using

commercially available BNC coaxial cables.

If your unit can be synchronized with the universal clock

signal (ex. UX-1, P-01, etc.), connect UNIVERSAL CLOCK OUT

terminals to the universal clock input terminals of the unit,

using a commercially available BNC coaxial cable.

<Set each unit to the slave mode (word synchronization input

mode).

Press the STANDBY/ON button to turn the unit on.

The standby indicator will turn off.

Press the MASTER button to select which oscillator you

wish to use for the reference frequency.

<“Rb” is recommended.

Select the appropriate frequency mode using the

FREQUENCY MODE button.

48kHz:

If you intend to play DVD, DAT, etc.

44.1kHz:

If you intend to play CD.

PAL FILM:

If you intend to play PAL DVD discs at 24frames/sec.

<Before you set PAL FILM mode, confirm that the connected

unit can be synchronized with the frequency of PAL FILM.

UX-1 can be synchronized with the PAL FILM mode.

If your units are connected to the WORD SYNC OUT

terminals, select the frequency of the word clock for

each line by pressing the A, B or C button.

<Set the frequency as high as the connected units will allow for

synchronization.

If your units are connected to the UNIVERSAL CLOCK

OUT terminals, press the UNIVERSAL CLOCK OUT button

to turn it on.

100 kHz signal is output from the terminals when you set the

master mode to 44.1kHz or 48kHz. 96 kHz signal is output

from the terminals when you set the master mode to PAL

FILM.

<Digital output from the digital output terminals may be

prohibited depending on the DISC format (ex. SACD). Your

D/A converter may not be able to convert all the digital

output signals.

Dimmer Troubleshooting

The front display can be dimmed to suit your preferred

environment. There are two levels and an “off” setting.

Press the A button for more than 2 seconds to switch

the dimmer mode.

LEd OFF 1:

All the illuminations are turned off except the MASTER

button indicator (Xtal, Rb, Ext).

LEd OFF 2:

All the illuminations are turned off.

LEd ON:

Normal mode.

<Note that the OFF setting is memorized when the power is

turned off.

<In OFF mode, when you turn on the power or you operate

other buttons, the illuminations turn temporarily on, and after

the clock signal is stabilized, it turns off. (After the indicator

for the MASTER button stops blinking and lights steadily.)

In case you experience any problem with this unit, please take

the time to look through this chart and see if you can solve the

problem yourself before you call your dealer or a TEAC service

center.

No power

eCheck the connection to the AC power supply. Check and

make sure the AC source is not a switched outlet and that,

if it is, the switch is turned on. Make sure there is power to

the AC outlet by plugging in another item such as a lamp or

fan.

eTurn on the POWER switch on the rear panel.

Not synchronized

eCheck to see if the current word clock output is supported

by the connected players. If necessary, select a word clock

frequency that is appropriate for the individual players.

There are occasions where the word clock available for

synchronization varies depending on the connection and

settings of the individual players. For details, consult the

manual for each player.

eIf you are using the PAL FILM mode, check to see whether

the connected player supports the PAL FILM frequency (-4%

of the standard frequency).

eCheck to see whether the sync outputs on the rear panel are

connected to the acceptable sync inputs of the individual

players.

Desired frequency not selectable with A, B, and C buttons

eSelect the proper fundamental frequency in FREQUENCY

MODE before operating the buttons.

Odd sound pitch

eDo not use the PAL FILM mode for NTSC discs or PAL discs

other than film source discs.

If normal operation cannot be recovered, unplug the

power cord from the outlet and plug it in again. This

resets the internal micro-computer which can be disturbed

during electrical storms, power interruptions, et cetera.

Maintenance

If the surface of the unit gets dirty, wipe with a soft cloth or

use diluted neutral cleaning liquid. Be sure to remove any

fluid completely. Do not use thinner, benzine or alcohol as

they may damage the surface of the unit.

Indice

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