Table Of Contents - Yamaha GC2020C Owner's Manual

Welcome to the GC2020C Compressor/Limiter
Introduction
Thank you for choosing the Yamaha GC2020C Compres-
sor/Limiter. The GC2020C is a 2-channel high-performance
compressor/limiter designed for professional recording and
sound reinforcement applications. The GC2020C provides a
wide variety of control features for precise tailoring of com-
pression and limiting parameters. It also features an
expander gate to eliminate source noise that can be accentu-
ated by the compression process.
GC2020C compression can be used to add extra punch and
a more consistent level to a final mix, and channels can be
linked for stereo operation. A small amount of compression
provides a more consistent signal level when recording a
singer that tends to move closer to or further away from a
vocal microphone. Essentially, the compressor is reducing

Table of Contents

What's a Compressor/Limiter? . . . . . . . . 1
Compressor/Limiter Functions . . . . . . 1
Compressor/Limiter Parameters . . . . . 2
Setting Up the Compressor/Limiter . . . 4
What's an Expander/Gate? . . . . . . . . . . . 5
Setting Up the Expander/Gate . . . . . . 5
Controls & Connections . . . . . . . . . . . . . 6
Front Panel . . . . . . . . . . . . . . . . . . . . . 6
Rear Panel . . . . . . . . . . . . . . . . . . . . . . 7
Specifications . . . . . . . . . . . . . . . . . . . 8
Dimensions . . . . . . . . . . . . . . . . . . . . . 9
Block Diagram . . . . . . . . . . . . . . . . . 10
the dynamic range. This technique can also be used with
other instruments, such as acoustic guitar, bass guitar, and
piano. In fact, any instrument with a wide dynamic range can
be recorded more easily with a little compression applied.
Creative compressor application include adding extra punch
to bass, snare, and tom tom drums. GC2020C limiting can
be used to protect speakers in a sound reinforcement system.
Whether your applications are signal control, signal correc-
tion, or simply creative-the GC2020C is flexible enough to
handle all your needs.
To get the best from your GC2020C, read this manual thor-
oughly, and keep it in a safe place for future reference.
IMPORTANT NOTICE FOR
THE UNITED KINGDOM
Connecting the Plug and Cord
IMPORTANT: The wires in this mains lead are coloured in accordance
with the following code:
BLUE : NEUTRAL
BROWN : LIVE
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 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.
Making sure that neither core is connected to the earth terminal of the
three pin plug.
* This applies only to products distributed by YAMAHA - KEMBLE
MUSIC (U.K.) LTD.
GC2020C Compressor/Limiter Owner's Manual
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