Electro-Voice EVF-2121S, EVH-1152S, EVF-1152D WLL for M10 eyebolts in the EVI-M10K eyebolt kit

Page 44

6.0 Rigging-Strength Ratings and Safety Factors (cont’)

6.41 Working Load Limits for Eyebolts used with VRK Vertical Rigging Kits

Eyebolts are the most convenient way to suspend vertical clusters. Eyebolts attach to the EVF and EVH enclosures through the integral M10-1.5 attachment points. Section 5.21 Anatomy of an EVF or EVH Fly- ing System Using M10 Eyebolts should be reviewed at this time for more information on eyebolt alignment and positioning on the enclosure. Table 12 shows the WLL per eyebolt with respect to the angle of the applied load. Figure 29 shows the suspension-point angles that are referenced in the table. It is a good idea to stay within 30° of the maximum WLL of the eyebolt (straight up position) for main suspension lines.

Table 12:

WLL for M10 eyebolts in the EVI-M10K eyebolt kit

 

650

 

 

 

 

 

 

 

 

295

 

 

 

 

 

 

 

 

 

 

 

 

 

600

575 lb (261 kg) @ 0°

 

 

 

 

 

 

272

 

 

 

 

 

 

 

 

 

 

 

550

 

 

 

 

 

 

 

 

249

 

 

 

 

 

 

 

 

 

 

 

 

 

500

 

 

 

 

 

 

 

 

227

 

 

 

 

 

 

 

 

 

 

 

 

(lb)

450

 

 

 

 

 

 

 

 

204

(kg)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Limit

400

 

 

 

 

 

 

 

 

181

Limit

350

 

 

 

 

 

 

 

 

159

Load

 

 

262 lb (119 kg) @ 30°

 

 

 

Load

300

 

 

 

 

 

136

 

 

 

 

 

 

 

Working

 

 

 

 

 

185 lb (84 kg) @ 60°

Working

250

 

 

 

 

 

113

 

 

 

 

 

 

 

 

 

 

 

200

 

 

 

 

 

 

 

 

91

 

 

150

 

 

 

 

 

 

 

 

68

 

 

100

 

 

 

 

 

 

171 lb (78 kg) @ 90°

45

 

 

 

 

 

 

 

 

 

 

 

 

50

 

 

 

 

 

 

 

 

23

 

 

0

 

 

 

 

 

 

 

 

0

 

 

0

10

20

30

40

50

60

70

80

90

 

 

 

 

 

 

Angle (Degrees)

 

 

 

 

 

Figure 29:

Suspension line angle limits for individual eyebolts, both in plane of pull (left) and against plane of pull (right)

44

Electro-Voice EVF/EVH User Manual

Page 43 Page 45
Image 44
Page 43 Page 45
Contents Page Table of Contents Table of Contents cont’ Rigging-Safety WarningIntroduction Introduction cont’ EVF-1122S/96 exampleEnd View Front View Side View 143.0 lb 64.9 kg 145.5 lb 66.1 kg Key suspension point dimensions as shown in figure above DimensionEVH Horn-Loaded Series Finishes and Colors AvailableEVF Front-Loaded Series Accessories for EVF and EVH Systems Tool ListDirectivity Break Frequency Defined General Aiming and Placement GuidelinesDesigning an EVF/EVH Cluster Designing an EVF/EVH Cluster cont’ Basic Clustering GuidelinesCoverage-Uniformity Target Multiple-Source Interference in Clusters Normalized See text for more detailsReducing Multiple-Source Interference EVF Full-Range Designing an EVF/EVH Cluster cont’ Passive/Biamp Crossover Configuration Preparing EVF and EVH Systems for InstallationRecommended Preflight Procedures Preparing EVF and EVH Systems for Installation cont’ Rotation of High-Frequency Waveguides EVF systemsDigital Signal Processing Full-Range Systems in Passive Mode Preparing EVF and EVH Systems for Installation cont’ EVF and EVH Rigging System Introduction Flying EV-Innovation EV-I Loudspeaker SystemVRK-1 or HRK-1 connection VRK-2 or HRK-2 connection VRK-1 or HRK-1 connectionEVF and EVH Rigging System cont’ VRK-1 rigging kit with parts identifiedVRK-2 rigging kit with parts identified VRK-3 rigging kit with parts identifiedHRK-3 rigging kit with parts identified HRK-1 rigging kit with parts identifiedHRK-2 rigging kit with parts identified Important Details that Apply to the VRK and HRK Rigging Kits EV-I Rigging PrimerEVF and EVH Rigging System cont’ Eyebolt Installation Hardware not shown, using a All-Eyebolt ClustersTwo-system horizontal cluster using VRK Kits and Vertically Rigged Clusters Systems, using a moderate trim angleSystems, using an extreme trim angle HRK Kits and Horizontally Rigged Clusters EVF Full-Range Six-enclosure horizontal hang of three systems above Assembly Instructions for VRK and HRK kits Short in front Toward grille Rigging-Strength Ratings and Safety Factors Working Load Limit and Safety-Factor DefinitionsRigging-Strength Ratings and Safety Factors cont’ Structural Rating OverviewLimits for ALL-EYEBOLT Clusters only All-Eyebolt Structural RatingsWorking Load Limits for Eyebolts WLL for M10 eyebolts in the EVI-M10K eyebolt kitSuspension-Line Angles Left-to-Right All-Eyebolt Cluster AnglesVRK Rigging Structural Ratings for Vertical Clusters Limits for Vertical Clusters only WLL for M10 eyebolts in the EVI-M10K eyebolt kit Left-to-Right Vertical Cluster Angles HRK Rigging Structural Ratings for Horizontal Clusters Maximum load and maximum height for horizontal clustersUsing Tie Plates as Main Load-Bearing Suspension Two cluster using HRK rigging kitsSuspension-Line Angles for HRK Kits Symmetry for Horizontal Clusters using HRK Kits Inner Connection Points Left-to-Right Horizontal Cluster AnglesElectro-Voice Structural-Analysis Procedures Ratings for Outdoor Applications with Wind LoadingRigging Inspections and Precautions References Rigging printedMechanical Engineering printed Rigging Web sitesPage Page Electro-Voice
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EVH-1152S, EVF-1152S, EVF-1122S, EVF-1122D, EVF-1152D specifications

Electro-Voice is renowned for its high-quality audio solutions, and the EVF series embodies this commitment. The EVF-2121S, EVF-1121S, EVF-1181S, EVF-1151S, and EVF-2151D are a collection of loudspeakers designed for a variety of professional audio applications, each with its distinctive features and capabilities that cater to different sound reinforcement needs.

The EVF-2121S is a dual-12-inch full-range speaker that combines exceptional power handling with a wide frequency response. It utilizes a coaxial driver arrangement, providing even sound distribution and a cohesive audio experience. This model is ideal for medium to large venues, offering a robust SPL (sound pressure level) output and clear reproduction of vocals and instruments.

In contrast, the EVF-1121S features a single 12-inch driver, delivering precise, high-impact sound suitable for smaller spaces. Its design emphasizes clarity and detail, making it perfect for live sound applications. The compact and lightweight design also ensures ease of transport and installation, appealing to mobile sound reinforcement professionals.

The EVF-1181S is a dedicated subwoofer that amplifies low frequencies, featuring an 18-inch woofer for deep, powerful bass response. Its extended low-frequency output enhances the overall sound experience, making it an ideal choice for high-energy music events and professional club environments. Designed with rugged construction and efficient power handling, the EVF-1181S is built to withstand demanding conditions while delivering reliable performance.

The EVF-1151S combines a 15-inch woofer with an advanced high-frequency driver for a full-range sound that works well in theatres, concert halls, and corporate events. The speaker ensures clear mid and high frequencies, maintaining vocal intelligibility even in challenging acoustic environments.

Lastly, the EVF-2151D is a dual 15-inch subwoofer that enhances overall system performance with its ability to produce deep bass. Its compact enclosure design allows for seamless integration into various sound setups, ensuring it can meet the needs of both portable and installed sound systems.

All models in the EVF series incorporate advanced technologies, including proprietary transducers and custom-engineered waveguides, which contribute to their impressive performance. With features like durable enclosures and efficient power handling, these loudspeakers are engineered to provide reliable sound reinforcement for both live and recorded applications. Whether it’s a concert, event, or installation project, the Electro-Voice EVF series stands out for its versatility and audio excellence.
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