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Introduction
MG12/4FX
4
Introduction
Thank you for your purchase of the YAMAHA MG12/4FX mixing console. The MG12/4FX features input channels suitable for
a wide range of usage environments, and includes high-quality built-in digital effects that can provide some very serious sound.
The mixer combines ease of operation with support for multiple usage environments.
Please read through this manual carefully before beginning use, so that you will be able to take full advantage of this mixer’s
superlative features and enjoy trouble-free operation for years to come.
Contents
Introduction 4
Contents .............................................................. 4
Features ............................................................... 4
Before Turning on the Mixer ................................. 5
Tur ning the Power On .......................................... 5
Making the Most Of Your Mixer 6
1. A Place For Everything and
Everything In Its Place.................................... 6
2. Where Your Signal Goes Once
It’s Inside the Box........................................... 9
3. The First Steps in Achieving
Great Sound................................................. 10
4. External Effects, Monitor Mixes,
and Groups ................................................... 12
5. Making Better Mixes..................................... 15
Front & Rear Panels 17
Channel Control Section .................................... 17
Master Control Section ...................................... 19
Rear Input/Output Section ................................. 21
Setting Up 23
Setup Procedure ................................................ 23
Setup Examples ................................................. 23
Rack Mounting ................................................... 25
Appendix 26
Specifications ..................................................... 26
Dimensional Diagrams ....................................... 28
Block Diagram and Level Diagram .................... 29
Features
Input Channels................................ page 21
With up to six mic/line inputs or up to four stereo
inputs, the MG12/4FX can simultaneously connect to
a wide range of devices: microphones, line-level
devices, stereo synthesizers, and more. For exam-
ple, you can connect four microphones and four ste-
reo devices, or six microphones and two stereo
devices.
Phantom Power (+48 V) ..................page 19
A single switch turns phantom power on or off for all
six mic inputs. Phantom power enables easy con-
nection to condenser microphones that require exter-
nal power.
High-quality digital effects............. page 20
With digital effects built in, the MG12/4FX can deliver
a wide range of sound variations all by itself. The unit
also includes an EFFECT SEND jack that can be
used to connect an external effector.
AUX Sends and Stereo
AUX Return................................page 17, 19
You can use the AUX SEND jack to feed the
post-fader signal to an external signal processor, and
then return the processed stereo signal through the
RETURN jack. Alternatively, you can use the PRE
switch on each channel to send that channel’s
pre-fader signal out through the AUX SEND jack for
monitoring.
Rack Mounting................................page 25
The mixer provides two metal rack-mount supports,
and integrates easily into a wide variety of setups.