CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
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.
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 point where they exit from the
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.
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.
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 GREEN-and-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.
• This applies only to products distributed by Yamaha-Kemble Music (U.K.) Ltd. (3 wires)
GREEN-AND-YELLOW : EARTH
BLUE : NEUTRAL
BROWN : LIVE
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:
ENGLISH
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.
• Use only the included power cord.
• 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.
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.
• 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 use the device in the vicinity of a TV, radio, stereo equipment,
mobile phone, or other electric devices. Otherwise, the device, TV, or radio
may generate noise.
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.
Handling caution
• Do not insert your fingers or hand in any gaps or openings on the device.
•Avoid inserting or dropping foreign objects (paper, plastic, metal, etc.) into
any gaps or openings on the device. 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 rest your weight on the device or place heavy objects on it, and
avoid use excessive force on the buttons, switches or connectors
.
XLR-type connectors are wired as follows (IEC60268 standard): pin 1:
ground, pin 2: hot (+), and pin 3: cold (-).
Yamaha cannot be held responsible for damage caused by improper use
or modifications to the device.
Always turn the power off when the device is not in use.
The performance of components with moving contacts, such as switches,
volume controls, connectors, and fans, deteriorates over time. Consult
qualified Yamaha service personnel about replacing defective components.
European models
Purchaser/User Information specified in EN55103-1 and EN55103-2.
Inrush Current: 2 A
Conforms to Environments: E1, E2, E3 and E4
(5)-1
MIC LINE AMPLIFIER
3
ENGLISH
Introduction
Thank you for choosing the Yamaha MLA8 mic line amplifier. The MLA8 is an eight-channel
mic/line amplifier. The input section features balanced XLR connectors, high-quality mic
preamps, +48V phantom power per channel, and support for both mic and line-level inputs.
The output section features Euroblock connectors and a D-sub 25-pin connector for
compatibility with a wide variety of installations and applications, including connection to
the Yamaha DM2000 Digital Mixer.
In order to get the most out of your new MLA8 and its sophisticated functions, we suggest
you read through this manual thoroughly. Also keep it in a safe, convenient place so that you
can regularly refer to it when necessary.
Table of contents
Controls and Connectors . . . . . . . . . . . . . . 5
Connection Example . . . . . . . . . . . . . . . . . . 6
Specifications . . . . . . . . . . . . . . . . . . . . . . 19
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . 21
• Illustrations in this manual are for explanatory purposes only, and may not match the actual appearance of the product during operation.
• Company names and product names used in this Owner’s Manual are trademarks or registered trademarks of their respective owners.
• Yamaha Pro Audio global web site:
http://www.yamahaproaudio.com/
MIC LINE AMPLIFIER
4