Yamaha C320 Owner's Manual download pdf (Page 2)

Introduction

Thank you for purchasing a Yamaha C450/320/160 series power amplifier.

This series of audio amps was developed from Yamaha's wealth of experience in building PA

equipment and its tradition of careful attention to every detail of circuit design. These amps

feature high power and superb quality together with superior reliability and stability, guaran-

teeing the highest possible audio performance.

Main features of the C450/320/160 series

• Two types of input (balanced XLR type connectors and barrier strip), and barrier strip

for outputs are provided.

• Three operating modes are provided: STEREO mode in which CHANNEL A and B

operate independently, PARALLEL mode in which a mono source is output by two amp

systems, and BRIDGE mode in which the unit operates as a single high-power amplifier.

• A SIGNAL indicator and CLIP indicator is provided for each channel.

• The PROTECTION indicator shows the status of protective circuitry such as power-on/

off protection, output muting, and the DC detection circuit. The TEMP indicator warns

of heat sink overheating.

• Variable-speed low-noise fan(s) ensures high reliability even under demanding condi-

tions.

• The C450/320/160 has implemented “EEEngine”, Yamaha’s epochal amp drive

technology to create an unrivaled high-efficiency drive.

The EEEngine’s energy-saver/low-heat-generation design has reduced power consump-

tion to 50% or less, and reduced heat generation to 35% or less (in field applications,

compared to Yamaha’s previous models), and has lead to a reduction in energy cost and

to less-restrictive installation requirements related to heat generation.

This owner's manual covers the three models C450, C320 and C160. In order to take full

advantage of your power amp and enjoy long and trouble-free operation, please read this

owner's manual carefully before use.

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:

GREEN-AND-YELLOW : EARTH

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 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 coloured 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.

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Yamaha C320 Owner's Manual Page 2

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