Yamaha EMX640 Owner's Manual

POWERED MIXER

E

Owner’s Manual

Contents

Front and rear panel ............................................ 2

Control panel .......................................................... 2

Input/output panel .................................................. 6

Rear panel .............................................................. 7

Connections ......................................................... 8

Basic Operation ................................................... 9

Connecting microphones and instruments ............ 9

Using the digital effect ............................................ 9

Example setups ................................................. 10

As a conference PA system/installed sound system 10

As a band PA ........................................................ 11

Specifications ..................................................... 13

General specifications .......................................... 13

Input specifications ............................................... 14

Output specifications ............................................ 14

Dimensions ........................................................... 15

Block and Level diagram ...................................... 15

maintenance to qualified Yamaha service personnel. Opening

the case and/or tampering with the internal circuitry voids

the warranty.

5. Always power off before making connections

Always turn the power OFF before connecting or

disconnecting cables. This is important to prevent damage to

the unit itself as well as other connected equipment.

6. Handle cables carefully

Always plug and unplug cables — including the AC power

cord — by gripping the connector, not the cord.

7. Clean with a soft dry cloth

Never use solvents such as benzine or thinner to clean the

unit. Wipe clean with a soft, dry cloth.

8. Always use the correct power supply

Make sure that the power supply voltage specified on the rear

panel matches your local AC mains supply. Also make sure

that the AC mains supply can deliver more than enough

current to handle all equipment used in your system.

9. Do not touch the heatsink when the EMX640 is in use.

It can get very hot.

Precautions

1. Avoid excessive heat, humidity, dust and vibration

Keep the unit away from locations where it is likely to be

exposed to high temperatures or humidity — such as near

radiators, stoves, etc. Also avoid locations which are subject

to excessive dust accumulation or vibration which could

cause mechanical damage.

2. Ventilation

Allow a distance of 30 cm between the unit and the wall so

that heat generated from the unit will be released effectively.

Also, allow enough space between the unit and other devices.

If you mount the unit in an audio rack, keep a space of 40

cm on the top panel, and a space of 15 cm to the side panel.

Remove the rear panel of the rack or open a vent hole. If heat

release is inadequate, the unit will retain heat inside the unit,

which may cause a fire.

3. Avoid physical shocks

Strong physical shocks to the unit can cause damage. Handle

it with care.

4. Do not open the case or attempt repairs or modifications

yourself

This product contains no user-serviceable parts. Refer all

Features

• Six input channels compatible with mic/line signals are

provided. The EMX640 has ample power, with a maximum

output of 200 W+200 W (400 W with bridge connection),

and is suitable for a wide range of applications from installed

systems to small-scale PA systems.

• A two-channel power amp is built-in. The input signals for

the two channels can be selected as MAIN+MAIN,

MAIN+MONITOR, or MAIN (bridge connection).

• Independent 7-band graphic EQ is provided for both the

MONITOR section and the MAIN section. This allows the

volume and frequency response to be adjusted separately for

the main speakers and monitor speakers.

• Two limiter circuits are built-in to prevent excessive input

levels to the amp.

• A digital effect with three selectable effect types is built-in.

A variety of effects can be applied to add reverberation or

ambiance to vocals or instrumental sounds.

Introduction

Thank you for purchasing the Yamaha EMX640 Powered Mixer. The EMX640 has the following features.

In order to take full advantage of the EMX640 and enjoy long and trouble-free performance, please read this

owner’s manual carefully, and keep it in a safe place for future reference.