Electro-Voice EVF-1121S, EVF-2121S, EVH-1152S Tool List, Accessories for EVF and EVH Systems

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1.0 Introduction (cont’)

1.4 Accessories for EVF and EVH Systems

Note that some accessories are supplied with certain system versions, as noted.

CDG: optional dual-gland-nut input-panel cover to protect the input connections from water. Note that this cover is supplied with the weather-resistant versions.

CSG: optional single-gland-nut input-panel cover to protect the input connections from water.

CDNL4: optional input-panel cover equipped with dual Neutrik Speakon® NL4M connectors, providing a quick-disconnect alternative to the standard Phoenix screw-terminal input connectors.

HRK and VRK: a series of horizontal (HRK) and vertical (VRK) rigging kits that accommodate a number of horizontal and vertical system aiming angles. See section 5.0 EVF and EVH Rigging System for details.

TK-150:optional 70.7/100-volt transformer kit mounts on the inside of the EVF and EVH input panels, offering 37.5, 75 and 150 watts at 70.7 volts and 75 and 150 watts at 100 volts. Installation instructions come with the TK-150.

EVF-UB:optional U-bracket kit for mounting single EVF full-range and low-frequency (not subwoofer) systems to a wall or ceiling. Installation instructions come with the EVF-UB.

EVI-M10K:optional eyebolt kit, consisting of four M10 shoulder eyebolts and four fender washers, used when additional eyebolts are needed to suspend loudspeakers. See section 6.3 for details. One EVI- M10K eyebolt kit is supplied with each loudspeaker system.

EVI-AC:optional access card which allows diagnostic access to the transducers and protection circuitry inside the enclosure. Use of this accessory does not require any disassembly or disconnections beyond removal of the plug-in switch card.

2.0 Tool List

Listed below are the tools required to prepare EVF and EVH systems for installation:

1.3/16-inch flat-blade screwdriver (for attaching signal wires to input-panel connectors).

2.Phillips #2 screwdriver (for grille removal to rotate waveguides, removal of high-frequency waveguides for rotation, and removal of input panel to install the optional TK-150 70.7/100-volt transformer).

3.4-mm Allen (hex) wrench (for removal and reorientation of the EVH hard foam mid-frequency waveguide contours to rotate the mid-frequency coverage pattern).

4.6-mm Allen (hex) wrench (for working with all rigging points).

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Electro-Voice EVF/EVH User Manual

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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 DimensionEVF Front-Loaded Series Finishes and Colors AvailableEVH Horn-Loaded Series Accessories for EVF and EVH Systems Tool ListDesigning an EVF/EVH Cluster General Aiming and Placement GuidelinesDirectivity Break Frequency Defined 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’ Recommended Preflight Procedures Preparing EVF and EVH Systems for InstallationPassive/Biamp Crossover Configuration 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’ VRK-1 or HRK-1 connection VRK-2 or HRK-2 connection EVF and EVH Rigging SystemIntroduction Flying EV-Innovation EV-I Loudspeaker System VRK-1 or HRK-1 connectionVRK-2 rigging kit with parts identified EVF and EVH Rigging System cont’VRK-1 rigging kit with parts identified VRK-3 rigging kit with parts identifiedHRK-2 rigging kit with parts identified HRK-1 rigging kit with parts identifiedHRK-3 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 Systems, using an extreme trim angle Systems, using a moderate trim angleVRK Kits and Vertically Rigged Clusters 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 Mechanical Engineering printed ReferencesRigging 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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