Yamaha T3n, T4n, T5n User Manual
Owner’s Manual
Bedienungsanleitung
Mode d’emploi
Manual de instrucciones
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DE
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JA
FCC INFORMATION (U.S.A.)
1. IMPORTANT NOTICE: DO NOT MODIFY THIS UNIT!
This product, when installed as indicated in the instructions contained in this manual, meets FCC requirements. Modifications
not expressly approved by Yamaha may void your authority,
granted by the FCC, to use the product.
2. IMPORTANT:
and/or another product use only high quality shielded cables.
Cable/s supplied with this product MUST be used. Follow all
installation instructions. Failure to follow instructions could void
your FCC authorization to use this product in the USA.
3. NOTE:
the requirements listed in FCC Regulations, Part 15 for Class
“B” digital devices. Compliance with these requirements provides a reasonable level of assurance that your use of this product in a residential environment will not result in harmful
interference with other electronic devices. This equipment generates/uses radio frequencies and, if not installed and used
according to the instructions found in the users manual, may
cause interference harmful to the operation of other electronic
* This applies only to products distributed by YAMAHA CORPORATION OF AMERICA. (class B)
When connecting this product to accessories
This product has been tested and found to comply with
devices. Compliance with FCC regulations does not guarantee
that interference will not occur in all installations. If this product
is found to be the source of interference, which can be determined by turning the unit “OFF” and “ON”, please try to eliminate
the problem by using one of the following measures:
Relocate either this product or the device that is being affected
by the interference.
Utilize power outlets that are on different branch (circuit breaker
or fuse) circuits or install AC line filter/s.
In the case of radio or TV interference, relocate/reorient the
antenna. If the antenna lead-in is 300 ohm ribbon lead, change
the lead-in to co-axial type cable.
If these corrective measures do not produce satisfactory results,
please contact the local retailer authorized to distribute this type
of product. If you can not locate the appropriate retailer, please
contact Yamaha Corporation of America, Electronic Service Division, 6600 Orangethorpe Ave, Buena Park, CA90620
The above statements apply ONLY to those products distributed
by Yamaha Corporation of America or its subsidiaries.
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
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 above warning is located on the top of the unit.
IMPORTANT SAFETY INSTRUCTIONS
1 Read these instructions.
2Keep 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
Explanation of Graphical Symbols
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 product.
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.
WARNING
TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPARATUS TO RAIN OR MOISTURE.
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T5n/T4n/T3n Owner’s Manual
(98-6500)
PRECAUTIONS
PLEASE READ CAREFULLY BEFORE PROCEEDING
* Please keep this manual in a safe place for future reference.
WARNING
Always follow the basic precautions listed below to avoid the possibility of serious injury or even death from electrical
shock, short-circuiting, damages, fire or other hazards. These precautions include, but are not limited to, the following:
Power supply/Power cord
• Only use the voltage specified as correct for the device. The required voltage is
printed on the name plate of the device.
• Do not place the power cord near heat sources such as heaters or radiators, and
do not excessively bend or otherwise damage the cord, place heavy objects on
it, or place it in a position where anyone could walk on, trip over, or roll anything
over it.
• Be sure to connect to an appropriate outlet with a protective grounding
connection. Improper grounding can result in electrical shock.
Do not open
• Do not open the device or attempt to disassemble the internal parts or modify
them in any way. The device contains no user-serviceable parts. If it should
appear to be malfunctioning, discontinue use immediately and have it inspected
by qualified Yamaha service personnel.
Water warning
• Do not expose the device to rain, use it near water or in damp or wet conditions,
or place containers on it containing liquids which might spill into any openings.
• Never insert or remove an electric plug with wet hands.
If you notice any abnormality
• If the power cord or plug becomes frayed or damaged, or if there is a sudden
loss of sound during use of the device, or if any unusual smells or smoke
should appear to be caused by it, immediately turn off the power switch,
disconnect the electric plug from the outlet, and have the device inspected by
qualified Yamaha service personnel.
• If this device should be dropped or damaged, immediately turn off the power
switch, disconnect the electric plug from the outlet, and have the device
inspected by qualified Yamaha service personnel.
CAUTION
Always follow the basic precautions listed below to avoid the possibility of physical injury to you or others, or damage
to the device or other property. These precautions include, but are not limited to, the following:
Power supply/Power cord
• Remove the electric plug from the outlet when the device is not to be used for
extended periods of time, or during electrical storms.
• When removing the electric plug from the device or an outlet, always hold the
plug itself and not the cord. Pulling by the cord can damage it.
Location
• Before moving the device, remove all connected cables.
• When setting up the device, make sure that the AC outlet you are using is easily
accessible. If some trouble or malfunction occurs, immediately turn off the
power switch and disconnect the plug from the outlet. Even when the power
switch is turned off, electricity is still flowing to the product all the minimum
level. When you are not using the product for a long time, make sure to unplug
the power cord from the wall AC outlet.
• If this device is to be mounted in an EIA-standard rack, leave the back of the rack
open and make sure that it is at least 10 cm away from walls or surfaces to
provide better airflow. In such a situation, these devices can be stacked on top of
each other if necessary. Also, if this device is to be mounted with devices that
tend to generate heat, such as power amplifiers made by another manufacturer,
be sure to keep an adequate gap between this device and the heat-generating
devices, or install ventilation panels or forced ventilation fans to prevent high
temperatures from developing inside this device.
Inadequate ventilation can result in overheating, possibly causing damage to the
device(s), or even fire.
• Do not use the device in a confined, poorly-ventilated location. If this device is
to be used in a small space other than an EIA-standard rack, make sure that
there is adequate space between the device and surrounding walls or other
devices: at least 10cm at the sides, 30cm behind and 40cm above. Inadequate
ventilation can result in overheating, possibly causing damage to the device(s),
or even fire.
• Do not expose the device to excessive dust or vibrations, or extreme cold or heat
(such as in direct sunlight, near a heater, or in a car during the day) to prevent
the possibility of panel disfiguration or damage to the internal components.
• Do not place the device in an unstable position where it might accidentally fall
over.
• Do not block the vents. This device has ventilation holes at the front/rear to
prevent the internal temperature from becoming too high. In particular, do not
place the device on its side or upside down. Inadequate ventilation can result in
overheating, possibly causing damage to the device(s), or even fire.
• Do not use the device in the vicinity of a TV, radio, stereo equipment, mobile
phone, or other electric devices. Doing so may result in noise, both in the device
itself and in the TV or radio next to it.
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T5n/T4n/T3n Owner’s Manual 3
Connections
• Before connecting the device to other devices, turn off the power for all devices.
Before turning the power on or off for all devices, set all volume levels to
minimum.
• Use only speaker cables for connecting speakers to the speaker jacks. Use of
other types of cables may result in fire.
Maintenance
• Inspect the cooling fan air filter and clean it periodically (see page 11). Dust and
dirt can seriously degrade the effectiveness of the cooling fan and result in
malfunction or fire.
• Remove the power plug from the AC outlet when cleaning the device.
Handling caution
• When turning on the AC power in your audio system, always turn on the device
LAST, to avoid speaker damage. When turning the power off, the device should
be turned off FIRST for the same reason.
• Do not insert your fingers or hands in any gaps or openings on the device
(vents).
•Avoid inserting or dropping foreign objects (paper, plastic, metal, etc.) into any
gaps or openings on the device (vents) If this happens, turn off the power
immediately and unplug the power cord from the AC outlet. Then have the
device inspected by qualified Yamaha service personnel.
• Do not use the device for a long period of time at a high or uncomfortable
volume level, since this can cause permanent hearing loss. If you experience
any hearing loss or ringing in the ears, consult a physician.
• Do not rest your weight on the device or place heavy objects on it, and avoid use
excessive force on the buttons, switches or connectors.
• Do not use this device for any purpose other than driving loudspeakers.
XLR-type connectors are wired as follows (IEC60268 standard): pin 1: ground, pin 2: hot (+), and pin 3: cold (-).
Use only Neutrik NL4 plugs for connecting Speakon connectors.
Yamaha cannot be held responsible for damage caused by improper use or modifications to the device, or data that is lost or destroyed.
Always turn the power off when the device is not in use.
The performance of components with moving contacts, such as switches, volume controls, and connectors, deteriorates over time. Consult qualified Yamaha service
personnel about replacing defective components.
Illustrations in this manual are for explanatory purposes only, and may not match the actual appearance of the product during operation.
The company names and product names in this Owner’s Manual are the trademarks or registered trademarks of their respective companies.
IMPORTANT NOTICE FOR THE UNITED KINGDOM
Connecting the Plug and Cord
WARNING: THIS APPARATUS MUST BE EARTHED
IMPORTANT. The wires in this mains lead are coloured in accordance with the following code:
As the colours of the wires in the mains lead of this apparatus may not correspond with the
coloured markings identifying the terminals in your plug proceed as follows:
The wire which is coloured GREEN-and-YELLOW must be connected to the terminal in the plug
which is marked by the letter E or by the safety earth symbol or colored GREEN or GREENand-YELLOW.
The wire which is coloured BLUE must be connected to the terminal which is marked with the
letter N or coloured BLACK.
The wire which is coloured BROWN must be connected to the terminal which is marked with the
letter L or coloured RED.
GREEN-AND-YELLOW : EARTH
BLUE : NEUTRAL
BROWN : LIVE
• This applies only to products distributed by Yamaha-Kemble Music (U.K.) Ltd. (3 wires)
This mark indicates a dangerous electrically live terminal. When connecting an external wire to this terminal, it is necessary
either to have “a person who have received appropriate guidance on handling” make the connection or to use leads or a cord that
have been manufactured in such a way that the connection can be made simply and without problem.
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T5n/T4n/T3n Owner’s Manual
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5
Introduction
Thank you for your purchase of the YAMAHA T5n, T4n, T3n Series Power Amplifier.
This series of power amplifiers was developed from Yamaha’s wealth of experience in building PA
equipment and its tradition of careful attention to every detail of circuit design. These power amplifiers
feature high power — thanks to EEEngine (Energy Efficient Engine) technology — and superb quality
together with superior reliability and stability, guaranteeing the highest possible audio performance.
Features:
• Three modes are provided to support a broad range of applications: STEREO mode which can be driven by two
independent sources, PARALLEL mode in which a monaural source drives both channels, and BRIDGE mode
in which the two internal amps function as a single high-power mono amp.
• Balanced XLR connector and Euroblock connector inputs, and Speakon connector and five-way binding post
outputs are provided.
• SIGNAL indicator, CLIP indicator and MUTE indicator and sophisticated dB step Volume control are provided
for each channel.
•PROTECTION indicator that shows the state of various protection systems (power On/Off detection, output
protection, DC detection), a TEMP indicator that indicates heat sink overheating, and a POWER/STANBY indicator that indicates the power status are provided.
•Variable-speed low-noise fans ensure high reliability.
• The T5n enables parallel connection of multiple high-impedance speakers that support 100 V line output.
• The T3n enables parallel connection of multiple high-impedance speakers that support 70 V line output.
• An optional external amp control unit, such as the ACU-16C, enables you to monitor or control the amplifier via
a network. For the latest information about amp control units, please visit our website:
http://www.yamahaproaudio.com/
This Owner’s Manual applies to the three models: T5n, T4n and T3n power amplifiers.
Please read through this manual carefully before beginning use, so that you will be able to take full
advantage of your power amp’s superlative features and enjoy trouble-free operation for years to come.
Index
Accessories
Owner’s Manual
Tw o handles
Four flat-head screws
Tw o Euroblock connectors
Controls and Functions............................ 6
Front Panel .......................................................... 6
Rear Panel .......................................................... 7
Speaker Connections ............................... 8
STEREO Mode ................................................... 8
PARALLEL Mode ................................................ 8
BRIDGE Mode .................................................... 9
Wiring....................................................... 10
Using a Euroblock connector ............................ 10
Speaker Connection .......................................... 10
Filter Element Cleaning .......................... 11
Troubleshooting...................................... 11
Specifications.......................................... 12
Block Diagram......................................... 71
Dimensions.............................................. 72
Performance Graph ................................ 73
Current Draw ........................................... 73
T5n/T4n/T3n Owner’s Manual
Controls and Functions
■ Front Panel
2
1 POWER switch and indicator
Press to toggle the power on or off. The POWER indicator
lights up green when the power is ON.
If the amplifier is connected to an amp control unit such as
the ACU16-C and the amplifier has been commanded to
enter STANDBY mode, this indicator will light orange.
2 TEMP indicator
Lights up red if the heat sink temperature exceeds 85°C
(185°F).
3 PROTECTION indicator
When the protection system is active, the indicator lights in
red. No sound will be output from the speakers, since the
speakers are automatically disconnected from the amplifier’s outputs.
The protection system actives in the following situations:
•When the amplifier is turned on
The protection system actives for approximately 10
seconds when the amplifier is turned on. After 10 seconds, the protection system deactivates automatically
and the amplifier is ready for normal operation.
• If the amplifier overheats
The protection system activates if the heat sink temperature exceeds 85°C (185°F). The amplifier is
muted if the heat sink temperature exceeds 90°C (194
°F). The amplifier operates normally after the amplifier cools down.
4 REMOTE indicator
This indicator will light green if the amplifier is being controlled by an amp control unit such as ACU16-C.
5 CLIP indicator
Lights up red when the output signal distortion on the corresponding channel rises above 1% — indicating that “clipping” has occurred because the signal level is too high.
6 SIGNAL indicator
Lights up green when the corresponding channel’s output
level exceeds 1 Vrms (equivalent to 0.2 W into an 8 ohms
load, 0.4 W into a 4 ohms load or 0.8 W into a 2 ohms
load).
56
6
8130 074
99
7 MUTE indicator
This indicator will light red if the amplifier is muted by an
amp control unit such as the ACU16-C. This indicator will
also light red while the PROTECTION indicator is ON.
8 Volume control knobs
Each control knob adjusts the volume of the corresponding
channel, in 31 steps from -∞ dB to 0 dB.
Note: Screw holes for security cover
These four screw holes are for attaching a security
cover to protect the volume setting. Since a security cover and screws are not included in the amplifier, please prepare a security cover the same size
as indicated below and four M3 screws.
108 mm
9 Air intakes
The amplifier uses forced-air cooling. The variable speed
cooling fan draws air in from the front and exhausts it
through the rear. The cooling fan speed varies depending
on the heat sink temperature: It operates at low speed when
it is below 40 °C (104 °F), increases in speed according to
increases in temperature, and operates at high speed when
temperature exceeds 60 °C (140 °F). Please be sure that
you do not block the air intakes or exhaust vents. Also,
clean the filter elements regularly. If the air intakes are
clogged with dust or debris, the amplifier will overheat,
which may result in the amplifier shutting down.
Front Rear
Air
intake
0 Screw holes for handles
These four screw holes are for the included handles. Fix
the handles to the amplifier, using the included flat-head
screws.
T5n
30 mm
Air
exhaust
6 T5n/T4n/T3n Owner’s Manual
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