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D00905700A
Digital Pre Main Amplifier
Owner's Manual


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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.
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Do not expose this apparatus to drips or splashes.
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Do not place any objects filled with liquids, such as vases, on
the apparatus.
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Do not install this apparatus in a confined space such as a
book case or similar unit.
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The apparatus draws nominal non-operating power from the
AC outlet with its POWER switch in the off position.
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The apparatus should be located close enough to the AC
outlet so that you can easily grasp the power cord plug at any
time.
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An apparatus with Class ! construction shall be connected to
an AC outlet with a protective grounding connection.
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.


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CAUTION
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DO NOT REMOVE THE EXTERNAL CASES OR CABINETS TO
EXPOSE THE ELECTRONICS. NO USER SERVICEABLE PARTS
ARE WITHIN!
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IF YOU ARE EXPERIENCING PROBLEMS WITH THIS PRODUCT,
CONTACT TEAC FOR A SERVICE REFERRAL. DO NOT USE THE
PRODUCT UNTIL IT HAS BEEN REPAIRED.
WARNING: TO PREVENT FIRE OR SHOCK
HAZARD, DO NOT EXPOSE THIS APPLIANCE
TO RAIN OR MOISTURE.
This equipment has been tested and found to comply with the
limits for a Class B digital device, pursuant to Part 15 of the
FCC Rules. These limits are designed to provide reasonable
protection against harmful interference in a residential
installation. This equipment generates, uses, and can radiate
radio frequency energy and, if not installed and used in
accordance with the instructions, may cause harmful
interference to radio communications. However, there is no
guarantee that interference will not occur in a particular
installation. If this equipment does cause harmful interference
to radio or television reception, which can be determined by
turning the equipment off and on, the user is encouraged to
try to correct the interference by one or more of the following
measures:
· Reorient or relocate the equipment and/or the receiving
antenna.
· Increase the separation between the equipment and
receiver.
· Connect the equipment into an outlet on a circuit different
from that to which the receiver is connected.
· Consult the dealer or an experienced radio/TV technician
for help.
CAUTION
Changes or modifications to this equipments not expressly
approved by TEAC CORPORATION for compliance will void the
user's warranty.
For U.S.A.
Contents
Thank you for choosing Esoteric. Read this manual
carefully to get the best performance from this unit.
Before Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Speaker Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
i.LINK (IEEE 1394) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Remote Control Unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Restoring factory settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Front panel features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Understanding the remote control unit . . . . . . . . . . . . . . . . . . 12
Basic Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Muting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Display dimming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Word sync . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Basic Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Gain Setting for Analog Audio Input . . . . . . . . . . . . . . . . . . . . 16
Name and skip setting of the INPUT knob . . . . . . . . . . . . . . . . 17
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
CAUTION Regarding Placement
To maintain proper ventilation, be sure to leave a space
around the unit (from the largest outer dimensions including
projections) equal to, or greater than, shown below.
Left and Right Panels: 5 cm (2")
Rear Panel: 10 cm (4")
Top Panel: 20 cm (8")


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What's in the box
Please confirm that the following accessories are in the box
when you open it.
Remote control unit (RC-1056) x 1
Batteries (AA, R6, SUM-3) x 2
Felt sheet x 4
Power cord x 1
Owner's manual x 1
Warranty card x 1
Before Use
Read this before operation
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As the unit may become warm during operation, always leave
sufficient space around the unit for ventilation.
The ventilation holes should not be covered. Make sure there
is at least 20 cm (8") of space above and at least 5 cm (2") of
space on each side of the unit. Do NOT place anything on top
of the unit.
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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.
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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.
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Do not place the unit on the amplifier/receiver.
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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.
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When removing the power plug from the wall outlet, always
pull directly on the plug, never yank the cord.
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Do not attempt to clean the unit with chemical solvents as
this might damage the finish. Use a clean, dry or slightly
damp cloth.
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To protect easily scratched furniture, you may stick the felt
supplied with the unit to the feet.
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Keep this manual in a safe place for future reference.
"Super Audio CD" is a registered trademark.
"DSD" is a registered trademark.
The i.LINK logo is a trademark of Sony Corporation, registered in
the U.S. and other countries.
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 (naphtha) or
alcohol as they may damage the surface of the unit.
Short Circuit and Output Protection
"OVER LEVEL" blinks on the display when the short circuit
protection (or the output protection) is activated. In this case,
turn the unit off and check the speaker cables. The metal
portions of the two separate wires should not touch.
If there is no shorted wire, turn down the volume using the
VOLUME knob.
Thermal Overload Protection
"HIGH TEMP" blinks on the display when the overload
protection is activated. In this case, turn the unit off and leave
it for a few hours to cool it down.
Also check the location of your unit. Place the unit in a cool
place, and always leave sufficient space around the unit for
ventilation.


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Speaker Connections
CAUTION:
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Switch off the power to all equipment before making
connections.
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Read the instructions of each component you intend to use
with this unit.
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Be sure to insert each plug securely. To prevent hum and
noise, avoid bundling the signal interconnection cables
together with the AC power cord or speaker cables.
Note:
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The black speaker terminals are ­ (negative).
Generally, the + side of the speaker cable is marked to make
it distinguishable from the ­ side of the cable. Connect this
marked side to the + terminal and the unmarked side to the
black ­ terminal.
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The metal portions of the two separate wires should not
touch or an electrical short can occur. Shorted wires can
create a fire hazard or induce a failure in your equipment.
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Ideally, left and right speaker cables should be the same
length. And the length of cables should be as short as
possible for better sound quality.
Connection using speaker cables with
spades or bare wire
1. Turn the terminal cap counterclockwise to loosen it. The
speaker terminal caps cannot be fully removed from the base.
2. Insert the wire or spade into the terminal and turn the
terminal cap clockwise to securely connect it:
Make sure none of the wire insulation is under the terminal,
only the bare, stripped wire.
3. Make sure it is fastened firmly by pulling the cable lightly.
Right
Speaker
Connection using speaker cables with
banana plugs
Tighten the terminal cap and insert a banana plug.
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The inside diameter of spades should be 8 mm or more.
When your speaker cable has bare wire at the end
Prepare the speaker cables for connection by stripping off
approximately 10 mm (1/2") or less of the outer insulation.
(Removing too much insulation may lead to a short circuit if
the bared wired should come in contact with each other.)
Twist the strands of the stripped wires tightly together.
The thickness of wires should be less than 4 mm (1/8").
Left
Speaker