Bosch EVF-1122S/126 EVF-1122S/126-PIB User Manual

Electro-Voice EVF/EVH User Manual

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    ......................................................................................................................................................................................................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

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