Electro-Voice EVF-2121S manuale d’uso

Electro-V oice EVF/ EVH User Manual EVF/ EVH User Manual EVF-1 1 2 1S EVF-1 1 5 1S EVF-1 1 8 1S EVF-2 1 2 1S EVF-2 1 5 1D EVF-1 1 22S (All Patterns) EVF-1 1 22D (All Patterns) EVF-1 1 52S (All Patterns) EVF-1 1 52D (All Patterns) EVH-1 1 52S (All Patterns) EVH-1 1 52D (All Patterns)[...]

Electro-V oice EVF/ EVH User Manual T able of Contents Rigging-Safety W arning ........................................................................................................................................................................................... 3 1.0 Introduction ................................................................[...]

Electro-V oice EVF/ EVH User Manual Rigging-Safet y W arning 3 This document details general rigging practices appropriate to the entertainment industry, as they would apply to the rigging of Electro-V oice EVF and EVH loudspeaker systems. It is intended to familiarize the reader with standard rigging hardware and techniques for suspending EVF and [...]

Electro-V oice EVF/ EVH User Manual 1.0 Introduction The Electro-V oice EVF series is a group of compact two-way front-loaded full-range systems, available with 12- or 15-inch woofers, augmented by low-frequency and subwoofer systems. EVF full-range sys- tems are available in two versions. The “S” versions employ 400-watt S MX low-frequency tra[...]

Electro-V oice EVF/ EVH User Manual 5 T ypical EVF and EVH systems are shown in Figure 1, with key dimensions, suspension points, weights and centers-of-gravity . Engineering dat a sheets for eac h model, cont aining full specifications and dimen- sional drawings, are shipped with each loudspeaker and are downloadable from the Electro-V oice W eb [...]

Electro-V oice EVF/ EVH User Manual 1.0 Introduction (cont’) Figure 1c: Key dimensions, suspension points, weight, and center-of-gravity for EV F-1121S Front V iew End View Side View Rear View System W eight - 57 . 7 lb (26.2 kg) Figure 1d: Key dimensions, suspension points, weight, and center-of-gravity for EV F-1151S Figure 1e: Key dimensions, [...]

Electro-V oice EVF/ EVH User Manual Figure 1f: Key dimensions, suspension points, weight, and center-of-gravity for EV F-2121S Figure 1g: Key dimensions, suspension points, weight, and center-of-gravity for EVF-2151D Figure 1h: Key dimensions, suspension points, weight, and center-of-gravity for EV H-1152 (all coverage patterns) System W eight - 82[...]

Electro-V oice EVF/ EVH User Manual 1.0 Introduction (cont’) Figure 1h: Key suspension point dimensions for EV F or EV H loudspeakers as indicated in table belo w Figure 1g: Key dimensions for washers and eyebolts included with eac h loudspeaker Washer (x4) Eyebolt (x4) End View Side View Rear View T able 2: Key suspension point dimensions as sho[...]

Electro-V oice EVF/ EVH User Manual 1.0 Introduction (cont’) 1.1 Finishes and Colors A vailable The standard EVF/ EVH indoor versions are finished in tough EVCoat™. In addition, all models are available in two levels of weather resist ance, indicated by letters following the coverage-pattern numbers. T he FG versions, e.g., EVF-1152S/6 4-FG B,[...]

Electro-V oice EVF/ EVH User Manual 2.0 T ool 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 rot ate waveguides, removal of high-frequency waveguides for rot ation,[...]

Electro-V oice EVF/ EVH User Manual 3.0 Designing an EV F/ EV H Cluster 3.1 General Aiming and Placement Guidelines Loudspeakers should be “pointed at the people” and away from reflective room surfaces. Since people are excellent absorbers of sound and room surfaces are often not, this practice insures not only that the audience will receive t[...]

Electro-V oice EVF/ EVH User Manual 3.0 Designing an EV F/ EV H Cluster (cont’) 3.3 More on Coverage Patterns, Multiple Coverage P atterns, the Need for Clusters of Loud- speakers and How F ar a Single Cluster Can “Reach” into a V enue The coverage patterns or angles mentioned previously are defined where loudspeaker output is 6 dB down from[...]

Electro-V oice EVF/ EVH User Manual 13 Figure 2: T ypical “reach” of a single loudspeaker into a venue (D I ) in order to maintain the desired ±3 dB coverage is about t wo times the distance to the closest seats (D S ) 3.0 Designing an EV F/ EV H Cluster (cont’) Adding a long-throw device will typically extend this reach to about three times[...]

Electro-V oice EVF/ EVH User Manual 14 3.5 Multiple-Source Interference in Clusters W henever two or more sources serve a single venue, some seats will receive strong signals from multiple sources. Consider two EVF-1122S/6 4 60° x 4 0° systems clustered side by side with their axes 60° apart to form a 120° x 4 0° cluster . If these systems mai[...]

Electro-V oice EVF/ EVH User Manual 15 Figure 5: T ypical response off the array axis of the t w o loudspeakers sho wn in Figure 4, showing cancellations due to arrival-time differences This effect is shown in the frequency-response of Figure 5. Given the dimensions of the typical compact loudspeaker systems and when they are clustered in close pro[...]

Electro-V oice EVF/ EVH User Manual 16 At higher frequencies, the interference patterns become more densely packed, whic h essentially elimi- nates their audibility . Figure 7 shows this effect at 8,000 Hz. 3.51 Reducing Multiple-Source Interference Multiple-source interference cannot be eliminated but it can be subst antially reduced. Systems whic[...]

Electro-V oice EVF/ EVH User Manual 17 One clustering technique that accomplishes this separation without putting a physical space between two full-range systems is putting a low-frequency or subwoofer system between two full-range systems. Suc h a cluster is shown in Figure 9, assembled with the optional H R K rigging kits. Figure 9: A way of sepa[...]

Electro-V oice EVF/ EVH User Manual 18 Finally , another way to reduce interference is to apply signal delay of up to 8 milliseconds to one of the two systems. This requires a separate DS P (digital signal processor) drive to the delayed system. Figure 1 0 shows the dramatic smoothing achieved at 1,250 Hz. Note that the systems are still close toge[...]

Electro-V oice EVF/ EVH User Manual 19 4.0 Preparing EV F and EV H Systems for Installation 4.1 Recommended Preflight P rocedures For any installed sound system, cert ain c hecks made at the installer ’ s place of business can prevent ex- pensive on-site delays. A short-list follows, and sets the st age for proper cluster performance: 1. Unpack [...]

Electro-V oice EVF/ EVH User Manual 20 4.0 Preparing EV F and EV H Systems for Installation (cont’) T o configure for biamp operation, remove the switc h card by drawing it toward you using the central finger hole. (The switc h can also be removed with the end of a flat-blade screwdriver , by placing the blade end in the switch hole and using [...]

Electro-V oice EVF/ EVH User Manual 21 4.0 Preparing EV F and EV H Systems for Installation (cont’) Figure 1 2: An E VH hard foam waveguide contour being removed for reorientation 4.5 Digital Signal Processing 4.51 F ull-Range Systems in Passive Mode For full-range systems in the passive mode, the internal crossover/equalizer network sends low fr[...]

Electro-V oice EVF/ EVH User Manual 22 4.0 Preparing EV F and EV H Systems for Installation (cont’) 4.52 Using the EVF-1 1 21S and EVF-1 1 51S Low-F requency Systems in Full-Range Clusters that Operate on a Single Power-A mplifier Channel The EVF-1121S and EVF-1151S low-frequency systems have integral passive low-pass filters that roll off freq[...]

Electro-V oice EVF/ EVH User Manual 23 5.0 EV F and EV H Rigging System 5.1 Introduction 5.1 1 The Flying EV -Innovation (EV -I) Loudspeaker System All EVH and EVF loudspeaker systems incorporate heavy-duty M1 0-1.5 threaded attachment points on each enclosure. T hese att ac hment points work in conjunction with (1) the M1 0 eyebolts included with [...]

Electro-V oice EVF/ EVH User Manual 24 Figure 1 4a: V R K -1 rigging kit with par ts identified 5.0 EV F and EV H Rigging System (cont’) Figure 1 4b: V R K -2 rigging kit with par ts identified Figure 1 4c: V R K -3 rigging kit with par ts identified EVF Stabilizing Bar (x2) M5 Screw (x8) M10 Screw (x8) EVF Long Rigging Plate (x2) EVF Short Ri[...]

Electro-V oice EVF/ EVH User Manual 25 Figure 1 5a: H R K -1 rigging kit with par ts identified 5.0 EV F and EV H Rigging System (cont’) Figure 1 5b: H R K -2 rigging kit with par ts identified Figure 1 5c: H R K -3 rigging kit with par ts identified M10 Screw (x8) EVF Long Rigging Plate (x2) EVF Short Rigging Plate (x2) EVF-SU B Long Rigging [...]

Electro-V oice EVF/ EVH User Manual 26 5.1 2 Important Details that Apply to the VR K and H R K Rigging Kits B oth the VR K and H R K kits include all necess ary mounting hardware (as shown in Figures 14 and 15). Additionally , the VR K kits include a set of low-profile st abilizer bars to both simplify alignment of the enclo- sures during the rig[...]

Electro-V oice EVF/ EVH User Manual 27 5.21 Anatomy of an EVF or EVH Flying System Using M1 0 Eyebolts 5.21 1 Eyebolt Application W arnings N O EYE B OL T SH O U LD B E MO U N TE D I N T H E S I D E S OF AN Y EVF O R EVH E N C L O S U R E I N O R D E R T O S U SP E N D A S Y STE M O R C LUSTE R FR O M TH E T O P . 5.0 EV F and EV H Rigging System ([...]

Electro-V oice EVF/ EVH User Manual 28 5.0 EV F and EV H Rigging System (cont’) 5.21 2 Eyebolt Installation Inst allation instructions follow: 1. Remove the M1 0 flat-head bolts from the enclosure (see Figure 18a). 2. Screw the lifting eyebolt with fender washer into the threaded att ac hment point until the fender washer has cont acted the encl[...]

Electro-V oice EVF/ EVH User Manual 29 5.21 3 All-Eyebolt Clusters A basic two-cabinet flying system is shown in Figures 19 and 20, illustrating the components necessary to make a typical two-system horizont al or vertical cluster using M1 0 eyebolts. Secure cabinets to the building structure with user-supplied hardware. All user-supplied hardware[...]

Electro-V oice EVF/ EVH User Manual 30 A horizont al two-cabinet eyebolt hang, shown in Figure 20, is similar to a vertical hang (shown in Figure 19), but with the cabinets rot ated and other surfaces used for mounting eyebolts. 5.0 EV F and EV H Rigging System (cont’) Figure 2 0a: A t wo-system horizontal cluster using the eyebolt kit supplied w[...]

Electro-V oice EVF/ EVH User Manual 31 Figure 2 1a: B asic three-enclosure vertical hang of an E VF subw oofer on top and tw o E VF full-range systems below , using one each V R K -1 and V R K -2 kits (optional acces- sories) and four eyebolts (supplied with systems), using a moderate trim angle 5.0 EV F and EV H Rigging System (cont’) EVF Full-R[...]

Electro-V oice EVF/ EVH User Manual 32 5.0 EV F and EV H Rigging System (cont’) 5.23 H R K Kits and Horizontally Rigged Clusters The main difference between the H R K and the VR K rigging kits is the addition of a tie plate in the center of the rigging plate. Tie plates are identified in Figure 22. MAI N SU S PE NS I O N LI N E S AN D PU LL BACK[...]

Electro-V oice EVF/ EVH User Manual 33 A basic three-over-three cluster is shown in Figure 23. MAI N SU S PE NS I O N LI N E S AN D PU LL BACKS M U S T B E T I E D T O TH E TI E P LA TE S. N O TE TH A T TH E H R K K ITS AR E D E SI G N E D T O MAK E W E I G HTS YM M ETR I CAL C LUS  TE R S, I. E., TH O S E WH O S E L E FT T O R I G HT C[...]

Electro-V oice EVF/ EVH User Manual 34 5.0 EV F and EV H Rigging System (cont’) Figure 2 3a: A six-enclosure horizontal hang of three systems above and three systems below , connected by four H R K -2 kits (optional accessories) and user-supplied hardware to link both clusters, using a moderate trim angle Figure 2 3b: A six-enclosure horizontal h[...]

Electro-V oice EVF/ EVH User Manual 35 5.0 EV F and EV H Rigging System (cont’) 5.24 Assembly Instructions for VR K and H R K kits B oth the VR K and H R K rigging kits share the s ame mounting hole positions and letter designations. T ables 5, 6, and 7 apply to both the VR K and H R K kits. The only difference between the kits is the H R K riggi[...]

Electro-V oice EVF/ EVH User Manual 36 5.0 EV F and EV H Rigging System (cont’) T able 5: For clustering E VF full-range and low-frequency (not subwoofer) systems using V R K -1 or H R K -1 rigging kits Letter Rigging-Plate Position Arrow Direction (both rigging plates) A ngle Hole-to-Hole Dim. (Short Bar/ Long Bar) A Short in front T oward grill[...]

Electro-V oice EVF/ EVH User Manual 37 6.0 Rigging-Strength Ratings and Safet y Factors 6.1 W orking Load Limit and Safety-Factor Definitions The structural ratings for all of the EVF and EVH rigging components and complete loudspeaker sys- tems are based on test results in which parts were stressed to failure. Manufacturers typically present the [...]

Electro-V oice EVF/ EVH User Manual 38 6.0 Rigging-Strength Ratings and Safet y Factors (cont’) 6.2 Structural Rating Overview Designing a s afe structural cluster is usually a very complex process best left to experienced profession- als. Since the EVH and EVF rigging options allow the user to configure a wide variety of clusters, the following[...]

Electro-V oice EVF/ EVH User Manual 39 6.0 Rigging-Strength Ratings and Safet y Factors (cont’) 6.3 All-Eyebolt Structural Ratings The guidelines for simplified all-eyebolt structural ratings cover the following information: 1. Maximum number of enclosures. 2. Maximum weight of the cluster . 3. WLL for eyebolts. 4. Suspension-line angles. 5. Lef[...]

Electro-V oice EVF/ EVH User Manual 0 50 100 150 200 250 300 350 400 450 500 550 600 650 0 10 20 30 40 50 60 70 80 90 An gle (Degrees) Working Load Limit (lb) 0 23 45 68 91 113 136 159 181 204 227 249 272 295 Working Load Limit (kg) 575 lb (261 kg) @ 0° 262 lb (119 kg) @ 30° 185 lb (84 kg) @ 60 ° 171 lb (78 kg) @ 90° 40 6.0 Rigging-Strength Rat[...]

Electro-V oice EVF/ EVH User Manual 41 6.0 Rigging-Strength Ratings and Safet y Factors (cont’) 6.32 Suspension-Line Angles Refer to T able 9 and Figure 25 for specific eyebolt angle and weight limitiations when using all-eyebolt clusters. These limits are not to be exceeded under any circumstances. If a higher s afety factor than 8:1 is require[...]

Electro-V oice EVF/ EVH User Manual 42 6.0 Rigging-Strength Ratings and Safet y Factors (cont’) 6.4 VR K Rigging Structural Ratings for V ertical Clusters The guidelines for simplified vertical structural ratings cover the following information: 1. Maximum length of the cluster . 2. Maximum weight of the cluster . 3. WLL for eyebolts. 4. T rim a[...]

Electro-V oice EVF/ EVH User Manual 43 6.0 Rigging-Strength Ratings and Safet y Factors (cont’) TH E MAX I M U M L OAD, MA X I M U M LE N GTH AN D EYE B O L T AN G LE R ESTR I CTI O NS FO R VE RTI CAL C LU STE R S A R E LI STE D I N T A B LE 1 0. T able 10: Maximum load, maximum length and eyebolt angle restrictions for ver tical clusters LI M IT[...]

Electro-V oice EVF/ EVH User Manual 0 50 100 150 200 250 300 350 400 450 500 550 600 650 0 10 20 30 40 50 60 70 80 90 An gle (Degrees) Working Load Limit (lb) 0 23 45 68 91 113 136 159 181 204 227 249 272 295 Working Load Limit (kg) 575 lb (261 kg) @ 0° 262 lb (119 kg) @ 30° 185 lb (84 kg) @ 60 ° 171 lb (78 kg) @ 90° 44 6.0 Rigging-Strength Rat[...]

Electro-V oice EVF/ EVH User Manual 45 6.0 Rigging-Strength Ratings and Safet y Factors (cont’) 6.42 Left-to-Right V ertical Cluster Angles The suspended vertical cluster must be perpendicular (plumb) to within ±5° as shown in Figure 30. Figure 3 0: L eft-to-right angle limits for a ver tical cluster (angle sho wn exaggerated for illustration p[...]

Electro-V oice EVF/ EVH User Manual 46 6.0 Rigging-Strength Ratings and Safet y Factors (cont’) 6.5 H R K Rigging Structural Ratings for Horizontal Clusters The guidelines for simplified horizontal structural ratings cover the following information: 1. Maximum height of the cluster . 2. Maximum weight of the cluster . 3. Cluster combinations, pe[...]

Electro-V oice EVF/ EVH User Manual 47 6.0 Rigging-Strength Ratings and Safet y Factors (cont’) 6.51 Using T ie Plates as Main Load-B earing Suspension Horizont al clusters are attached to the structure with the tie plates located on the rigging plates of the H R K kits. The tie plates have six holes that will accept a 5/8-inc h shackle or simila[...]

Electro-V oice EVF/ EVH User Manual 48 6.0 Rigging-Strength Ratings and Safet y Factors (cont’) 6.52 Suspension-Line Angles for H R K Kits Suspension-line angles are restricted to 3 0° off the axis of the tie plate’ s center line. Figure 32 shows the angle limit ations recommended for horizontal clusters when using H R K kits. Figure 3 2a: Hor[...]

Electro-V oice EVF/ EVH User Manual 49 6.0 Rigging-Strength Ratings and Safet y Factors (cont’) 6.53 Symmetry for Horizontal Clusters using H R K Kits The cluster’ s center of gravity is centered under the two suspension points in a two-over-two cluster (see Figure 33a) or between the suspension points in a three-over-three cluster (see Figure [...]

Electro-V oice EVF/ EVH User Manual 50 6.0 Rigging-Strength Ratings and Safet y Factors (cont’) 6.5 4 Inner Connection P oints For connection between the clusters (from bottom of top enclosure to the top of the bottom enclosure), both the front and rear rigging plates must be connected (see Figure 3 4). T he maximum box-to-bo x angle is 45°. Fig[...]

Electro-V oice EVF/ EVH User Manual 51 6.6 Ratings for Outdoor Applications with Wind Loading Special considerations must be made for outdoor venues where wind conditions could become a con- cern. High wind gusts can push the loudspeakers in a way that the suspension lines’ direction of force can become mis aligned with the plane of the eyebolt. [...]

Electro-V oice EVF/ EVH User Manual 52 7 .0 Rigging Inspections and Precautions Electro- V oice EVF and EVH Loudspeak er Systems: Prior to each use, inspect the enclosures for any cracks, deformations or missing or damaged components that could reduce enclosure strength. Inspect the rigging plates, tie plates and st abilizer bars between enclosures[...]

Electro-V oice EVF/ EVH User Manual 53 8.0 References 8.1 Rigging (printed) [1] W .E. Rossnagel, L.R. Higgins & J.A. MacDonald, Handbook of Rigging for Construction and Industrial Operations, McGraw-Hill B ook Company , New Y ork, NY , U SA (198 8). [2] H. Donovan, Entert ainment Rigging, http://www .riggingbooksandprograms.com, Rigging Seminar[...]

Electro-V oice EVF/ EVH User Manual 54 Notes[...]

Electro-V oice EVF/ EVH User Manual 55 Notes[...]

Electro-V oice EVF/ EVH User Manual 12000 Portland A venue South, Burnsville, M N 5533 7 Phone: 952/88 4-4051, Fax: 952/8 84-0043 www .electrov oice.com © Bosch Communications Systems 08/201 0 Part Number LIT000282 Rev E U.S.A. and Canada only . For customer orders, contact Customer Service at: 800/3 92-3497 Fax: 800/955-6831 Europe, Africa, and M[...]