Yamaha EMX640- User Manual

Yamaha EMX640

Yamaha EMX640– User Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.

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Table of Contents:

  • Page 2 – Front and rear panel; Control panel; Channel section
  • Page 3 – DIGITAL EFFECT section; Effect select switch; Select the effect type for the built-in digital effect.; DIGITAL EFFECT ON switch; EFFECT section; EFFECT OUT control; The EFFECT OUT control does not affect
  • Page 4 – MONITOR section; To avoid distortion, adjust the MASTER
  • Page 5 – POWER AMP section; LIMITER indicator; POWER indicator & PHANTOM; POWER indicator; The indicator lights up or flashes for a; POWER
  • Page 6 – or line level devices of 600
  • Page 7 – Rear panel; Power switch
  • Page 8 – Connections; Speaker connection
  • Page 9 – Basic Operation; This section explains basic operation of the EMX640.; Connecting microphones and instruments
  • Page 10 – Example setups; As a conference PA system/installed sound system; • If you wish to use an external device such as a CD; Playing back a CD player
  • Page 11 – As a band PA; • Connect mics or instruments, such as keyboards,
  • Page 12 – Using an external effect
  • Page 13 – Specifications; General specifications
  • Page 14 – Input specifications; Specifications are subject to change without prior notice.
  • Page 15 – Dimensions
  • Page 16 – YAMAHA CORPORATION; IMPORTANT
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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.

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Summary

Page 2 - Front and rear panel; Control panel; Channel section

2 Front and rear panel EMX640—Owner’s Manual Front and rear panel Control panel ■ Channel section In this section, you can adjust equalization (fre-quency response), volume level, effect and moni-tor output levels for the input signal of each channel. 1 Equalizer controls (HIGH, MID, LOW) This is a ...

Page 3 - DIGITAL EFFECT section; Effect select switch; Select the effect type for the built-in digital effect.; DIGITAL EFFECT ON switch; EFFECT section; EFFECT OUT control; The EFFECT OUT control does not affect

Control panel 3 EMX640—Owner’s Manual ■ DIGITAL EFFECT section This section allows you to turn the built-in digital effect on/off and to select the effect type. 6 Effect select switch Select the effect type for the built-in digital effect. 7 DIGITAL EFFECT ON switch When this switch is on (pressed),...

Page 4 - MONITOR section; To avoid distortion, adjust the MASTER

4 Front and rear panel EMX640—Owner’s Manual ■ MONITOR section This section allows you to adjust the tone and volume of the MONITOR bus, and specify the mix level of the built-in effect. 9 Graphic equalizer This is a 7-band graphic equalizer that allows you to adjust the frequency response of the MO...

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