Yamaha PA24, WD61630 Introduction

Introduction

Thank you for purchasing a Yamaha PC9501N, PC6501N, PC4801N, PC3301N, or PC2001N Series Power

Ampliﬁer.

The PC Series of power ampliﬁers 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 power ampliﬁers feature

high power and superb quality together with superior reliability and stability, guaranteeing the highest

possible audio performance.

Main features include

•Three modes are provided to support a broad range of applications: STEREO mode which can be driven by

two independent sources, PARALLEL mode in which a monaural source drives both channels, and BRIDGE

mode in which the two internal amps function as a single mono amp.

• Balanced XLR connector and Euroblock connector inputs, and Speakon connector and ﬁve-way binding

post outputs are provided.

•A high pass ﬁlter switch that cuts frequencies below 20 Hz, and detented attenuators and level meters for

channels A and B are provided.

• Metering and indicators include easily visible two-channel level meters, a PROTECTION indicator that

shows the state of various protection systems (power on/off detection, output protection, DC detection), a

TEMP indicator that indicates heat sink overheating, and a REMOTE indicator that indicates the external

remote status.

•Variable-speed low-noise fans ensure high reliability.

• The PC3301N enables parallel connection of multiple high-impedance speakers that support 100 V line

output.

•An optional external amp control device, such as the ACD1 or ACU16-C, enables you to monitor or control

the ampliﬁer via a network. For the latest information about amp control devices, please visit our website:

http://www.yamahaproaudio.com/

This Owner’s Manual applies to the PC9501N, PC6501N, PC4801N, PC3301N, and PC2001N power

ampliﬁer. In order to take full advantage of your power ampliﬁer and enjoy long and trouble-free operation,

please read this Owner’s Manual carefully before using your Power Ampliﬁer.

Introduction ............................................................ 5

Controls and Functions......................................... 6

Front Panel.......................................................... 6

Rear Panel .......................................................... 7

Speaker connections........................................... 8

Connection ............................................................. 9

Using a Euroblock connector .............................. 9

Speaker Connection............................................ 9

Air Flow ................................................................. 10

Rack Mounting ..................................................... 10

Specifications....................................................... 11

General Specifications ...................................... 11

Block Diagram................................................... 12

Dimensions ....................................................... 13

Troubleshooting................................................... 14

Current Draw ........................................................ 14