Electro-Voice EVF-1152D, EVF-2121S, EVH-1152S, EVF-1122D, EVF-2151D, EVF-1181S Table of Contents

Rigging-Safety Warning

3

1.0

Introduction

4

1.1

Finishes and Colors Available

9

1.2

EVF Front-Loaded Series

9

1.3

EVH Horn-Loaded Series

9

1.4

Accessories for EVF and EVH Systems

10

2.0

Tool List

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10

3.0 Designing an EVF/EVH Cluster

11

3.1

General Aiming and Placement Guidelines

11

3.2

Choosing between the EVF Full-Range and EVH Full-Range Systems

11

3.21

Directivity Break Frequency Defined

11

3.3

More on Coverage Patterns, Multiple Coverage Patterns, the Need for Clusters of

Loudspeakers and How Far a Single Cluster Can “Reach” into a Venue

12

3.31

Basic Clustering Guidelines

12

3.4

Coverage-Uniformity Target

13

3.5

Multiple-Source Interference in Clusters

14

3.51

Reducing Multiple-Source Interference

16

4.0

Preparing EVF and EVH Systems for Installation

19

4.1

Recommended Preflight Procedures

19

4.2

Passive/Biamp Crossover Configuration

19

4.3

Rotation of High-Frequency Waveguides (EVF Systems)

20

4.4

Rotation of High-Frequency Waveguides and Mid-Frequency Waveguide

Contours (EVH Systems)

20

4.5

Digital Signal Processing

21

4.51

Full-Range Systems in Passive Mode

21

4.52

Using the EVF-1121S and EVF-1151S Low-Frequency Systems in Full-Range

Clusters that Operate on a Single Power-Amplifier Channel

22

4.53

DSP (Digital Signal Processor) Loudspeaker Presets for Biamp Operation

22

5.0 EVF and EVH Rigging System

23

5.1

Introduction

23

5.11

The Flying EV-Innovation (EV-I) Loudspeaker System

23

5.12

Important Details that Apply to the VRK and HRK Rigging Kits

26

5.2

EV-I Rigging Primer

26

5.21

Anatomy of an EVF or EVH Flying System Using M10 Eyebolts

27

5.211

Eyebolt Application Warnings

27

5.212

Eyebolt Installation

28

5.213

All-Eyebolt Clusters

29

5.22

VRK Kits and Vertically Rigged Clusters

31

5.23

HRK Kits and Horizontally Rigged Clusters

32

5.24

Assembly Instructions for VRK and HRK Kits

35

6.0

Rigging-Strength Ratings and Safety Factors

37

6.1

Working Load Limit and Safety-Factor Definitions

37

6.2

Structural-Rating Overview

38

6.3

All-Eyebolt Structural Ratings

39

6.31

Working Load Limits for Eyebolts

40

6.32

Suspension-Line Angles

41

6.33

Left-to-Right All-Eyebolt Cluster Angles

41

6.4

VRK Rigging Structural Ratings for Vertical Clusters

42

6.41

Working Load Limits for Eyebolts used with VRK Vertical Rigging Kits

44

6.42

Left-to-Right Vertical Cluster Angles

45

2

Electro-Voice EVF/EVH User Manual