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Yamaha P2075 User Manual

Yamaha P2075
36 pages
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YAMAHA
Power
Amplifier
P2075
Operating
Manual
CHANNEL
A
CHANNEL
В
PROTECTION
SIGNAL
CLIP
Bru
СЫР
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18 16
14
12
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16,14
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20,
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Yamaha P2075 Specifications

General IconGeneral
Damping Factor200
Total Harmonic Distortion0.05%
Frequency Response20Hz - 20kHz
Input Sensitivity0.775V
Dimensions480 x 88 x 385 mm
Power Output (8 ohms)75W per channel

Summary

INTRODUCTION

BRIEF OPERATING INSTRUCTIONS

Front Panel Controls

Details the front panel layout including input attenuators, signal indicators, and power switch.

Rear Panel Layout and Connections

Input and Mode Selection

Describes the rear panel input connectors (XLR, phone jack) and the MONO/STEREO mode switch.

Amplifier Operation Procedures

Standard Operating Steps

Step-by-step guide for setting up and operating the amplifier for optimal sound system performance.

INSTALLATION AND WIRING

Input Connection Methods

Explains XLR and phone jack input configurations, including balanced, unbalanced, and daisy-chaining.

Output Connections

Normal Speaker Wiring

Illustrates standard stereo mode connections to speakers via binding posts and phone jacks.

MONO MODE CONNECTIONS

Bridged Mono Configuration

Diagram and instructions for connecting speakers in bridged mono configuration for increased power.

Understanding Audio Levels and Headroom

Setting System Levels for Optimal Performance

Provides a general approach to optimizing signal levels throughout the sound system.

Selecting Headroom Values

Guidance on choosing appropriate headroom values for different audio applications and program material.

Ground Loop Issues and Avoidance

Signal Line and Grounding Techniques

AC Outlet Wiring and Grounding

Safe Grounding with 2-Wire Outlets

Instructions on how to safely obtain a ground connection from 2-wire AC outlets using an adapter.

AC Electrical Safety Tips

Speaker Wiring Best Practices

Calculating Amplifier Power Output

Stereo vs. Bridged Mono Power

Compares power calculations for stereo mode versus bridged mono mode, explaining the voltage and impedance relationship.

Multi-Amplified Speaker Systems

Crossover Network Functionality

Amplifier Power Rating Methods Explained

Speaker Protection Features

Output Relay Protection

Describes the amplifier's output relay for protecting speakers from turn-on transients and DC offset.

Signal Processing and Driver Protection

SPECIFICATIONS AND DIMENSIONS

Technical Specifications Summary

Lists detailed electrical and performance specifications for the P2075 amplifier.

BLOCK DIAGRAM

PERFORMANCE GRAPHS

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