Handbook for Sound Engineers, 5th Edition

Chapter 37

System Gain Structure

by Pat Brown

37.1  Introduction

37.2  Interfaces

37.2.1  The Matched Interface

37.2.2  The Constant Voltage Interface

37.3  Audio Waveform Fundamentals

37.4  Gain Structure

37.5  System Gain Structure

37.6  The Unity Method

37.7  An Optimized Method

37.8  Setting the Amplifier Sensitivity

37.9  Power Ratings

37.9.1  Amplifier Power Ratings

37.9.2  Loudspeaker Power Ratings

37.10  Conclusion

Bibliography

37.1  Introduction

This chapter is devoted to the explanation and establishment of the proper gain structure of the sound reinforcement system. It has been the author’s experience that sound systems are rarely producing the optimum performance that would be indicated by the specification ...