Yamaha PC4002/4002M Power Amplifier Operating Manual

About this manual

This manual provides instructions for the Yamaha PC4002 and PC4002M, high-power professional amplifiers designed for studio monitoring and professional use. It covers system installation, operation, and performance characteristics, noting that overall performance depends on system design as well as the amplifier's capabilities.

What's inside

• About This Manual
• Precautions
• Front Panel
• Rear Panel
• Connection of Speaker Cables
• General Specifications
• Mounting
• Installation Precautions
• Cleaning the Fan Filter Elements
• Block Diagram

Specifications

Frequently asked questions

How do the input connectors on the PC4002/4002M work?

The XLR connectors are wired with Pin 1 as Ground, Pin 2 as Hot, and Pin 3 as Cold.

What is the recommended procedure for connecting the amplifier to prevent speaker damage?

You must turn off the power of all related equipment before making connections to avoid damaging speakers and other playback equipment.

How long does the power-up muting circuit operate to protect speakers?

The muting circuit operates for about six seconds after the power has been turned on to protect speakers.

At what heat-sink temperatures do the cooling fans switch to high speed?

The fans cut in at high speed when heat-sink temperatures exceed 80°C.