User manual ELECTRO-VOICE EVH

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Manual abstract: user guide ELECTRO-VOICE EVH

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[. . . ] EVF/EVH User Manual EVF-1121 EVF-1151 EVF-1181 EVF-1122 (All Patterns) EVF-1152 (All Patterns) EVH-1152 (All Patterns) Electro-Voice EVF/EVH User Manual Table of Contents Rigging-Safety Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1. 0 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 1. 1 Finishes and Colors Available . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 1. 2 EVF Front-Loaded Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 1. 3 EVH Horn-Loaded Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 1. 4 Accessories for EVF and EVH Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2. 0 Tool List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 3. 0 Designing an EVF/EVH Cluster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 3. 1 General Aiming and Placement Guidelines. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 3. 2 Choosing between the EVF Full-Range and EVH Full-Range Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 3. 21 Directivity Break Frequency Defined . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 3. 31 Basic Clustering Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] This is typically done with a digital signal processor (DSP) that has crossover and equalization filters that are adjusted by the manufacturer to provide the essentially flat frequency response mentioned above. The factory presets for the EVF and EVH loudspeakers have been determined for Electro-Voice and Klark-Teknik processors and are available for download at www. electrovoice. com. Presets for other popular processors often can be provided by the Bosch Communications Systems/Electro-Voice technical support group; specific contact information can be found at www. electrovoice. com. By providing a single loudspeaker system with uniform frequency response, the loudspeaker presets are a good starting point for equalizing a cluster of systems during setup and commissioning. Final equalization of a cluster should be accomplished with additional equalization made in front of the DSP device, not by modifying the preset crossover and equalization parameters in the low- and high-frequency outputs of the DSP. The later is likely to produce undesirable frequency-response and directivity changes in the crossover region. Electro-Voice EVF/EVH User Manual 21 5. 0 EVF and EVH Rigging System 5. 1 Introduction 5. 11 The Flying EV-Innovation (EV-I) Loudspeaker System All EVH and EVF loudspeaker systems incorporate heavy-duty M10-1. 5 threaded attachment points on each enclosure. These attachment points work in conjunction with (1) the M10 eyebolts included with each loudspeaker or (2) the optional VRK and HRK rigging kits. The rigging kits allow the user to rig multiple systems together in horizontal and vertical configurations. The horizontal and vertical rigging kits are an open-ended design, meaning that any system in the EVF and EVH families can rig to any other. The vertical and horizontal rigging plates give the user ultimate flexibility for splay angles from 0° to 45° degrees in 5° increments (0° to 20° for EVF to EVF subwoofer). This system was designed to allow the end user to construct a loudspeaker cluster to fit nearly any application. Figure 13 and Table 4 show the possible connections using the three VRK and HRK rigging kits to connect any EVF or EVH loudspeaker. Model VRK-1B/ VRK-1W HRK-1B/ HRK-1W Orientation Vertical Cluster Horizontal Cluster Color Function Black/ EVF full-range and White low-frequency systems Black/ EVF full-range and White low-frequency systems Figure 13a: VRK-1 or HRK-1 connection Model VRK-2B/ VRK-2W Table 4a: VRK-1 or HRK-1 connection Orientation Color Vertical Cluster Function EVF full-range or Black/ low-frequency systems White to EVF subwoofer or EVH full-range EVF full-range or Black/ low-frequency systems White to EVF subwoofer or EVH full-range HRK-2B/ HRK-2W Horizontal Cluster Figure 13b: VRK-2 or HRK-2 connection Plates may need to be flipped depending on which side is being connected, due to asymmetry of the plates. Table 4b: VRK-2 or HRK-2 connection Model VRK-3B/ VRK-3W HRK-3B/ HRK-3W Orientation Vertical Cluster Horizontal Cluster Color Black/ White Black/ White Function EVH subwoofer and EVF full-range EVH subwoofer and EVF full-range Figure 13c: VRK-3 or HRK-3 connection 22 Table 4c: VRK-3 or HRK-3 connection Electro-Voice EVF/EVH User Manual 5. 0 EVF and EVH Rigging System (cont') M5 Split Lock Washer (x8) EVF Long Rigging Plate (x2) 4. 87 lb (2. 21 kg) EVF Short Rigging 3. 11 lb Plate (x2) (1. 41 kg) EVF Stabilizing Bar (x2) 0. 88 lb (0. 40 kg) M10 Split Lock Washer (x8) M5 Screw (x8) M10 Screw (x8) Figure 14a: VRK-1 rigging kit with parts identified M5 Split Lock Washer (x8) EVF-SUB Long Rigging Plate (x2) 5. 44 lb (2. 47 kg) EVF-SUB Short 3. 25 lb Rigging Plate (x2) (1. 48 kg) EVF Stabilizing 0. 88 lb (0. 40 kg) Bar (x2) M10 Split Lock Washer (x8) M5 Screw (x8) M10 Screw (x8) Figure 14b: VRK-2 rigging kit with parts identified EVH Long Rigging Plate (x2) 6. 67 lb (3. 03 kg) EVH Short Rigging 3. 04 lb (1. 38 kg) Plate (x2) EVH Stabilizing 1. 52 lb (0. 69 kg) Bar (x2) M10 Split Lock Washer (x8) M5 Split Lock Washer (x8) M5 Screw (x8) M10 Screw (x8) Figure 14c: VRK-3 rigging kit with parts identified Electro-Voice EVF/EVH User Manual 23 5. 0 EVF and EVH Rigging System (cont') EVF Long Rigging Plate (x2) 7. 33 lb (3. 33 kg) M10 Split Lock Washer (x8) M10 Screw (x8) EVF Short Rigging Plate (x2) 5. 57 lb (2. 53 kg) Figure 15a: HRK-1 rigging kit with parts identified EVF-SUB Long Rigging Plate (x2) 7. 90 lb (3. 59 kg) M10 Split Lock Washer (x8) M10 Screw (x8) EVF-SUB Short Rigging Plate (x2) 5. 71 lb (2. 59 kg) Figure 15b: HRK-2 rigging kit with parts identified EVH Long Rigging Plate (x2) 9. 13 lb (4. 15 kg) M10 Split Lock Washer (x8) M10 Screw (x8) EVH Short Rigging Plate (x2) 5. 50 lb (2. 50 kg) Figure 15c: HRK-3 rigging kit with parts identified 24 Electro-Voice EVF/EVH User Manual 5. 0 EVF and EVH Rigging System (cont') 5. 12 Important Details that Apply to the VRK and HRK Rigging Kits Both the VRK and HRK kits include all necessary mounting hardware (as shown in Figures 14 and 15). Additionally, the VRK kits include a set of low-profile stabilizer bars to both simplify alignment of the enclosures during the rigging process and keep the front edges of the systems neatly aligned. Additional hardware is included in the VRK kits to mount these stabilizer bars. The stabilizer bars mount to the insides of the vertical rigging plates for a clean appearance. Stabilizer bars can be seen in Figure 14 and, installed, in Figure 21. The HRK horizontal rigging kits have a tie plate that is welded to the center of the rigging plate. This tie plate is for suspending the top systems in a cluster and for suspending lower systems below (with usersupplied hardware). It has six holes that fit a standard 5/8-inch shackle (user supplied). Both the VRK and the HRK rigging plates use arrow designators and a series of letters by each of the mounting holes to ensure that the desired angle is achieved. Refer to Tables 5, 6, and 7 for a description of the appropriate arrow direction and letter. All rigging plates except the EVF-to-EVF-subwoofer rigging plates are symmetrical, meaning that the mounting-hole layouts are the same from the left to the right sides of the rigging plate. [. . . ] Building, Tower or Scaffold Supports: Prior to each use, the strength and load-bearing capabilities of the building, tower or scaffold structural supports should be evaluated and certified by a professional engineer as being adequate for supporting the intended rigging system (including the loudspeakers, grids, chain hoists and all associated hardware). Prior to each use, inspect the building, tower or scaffold structural supports for any cracks, deformation, broken welds, corrosion or missing or damaged components that could reduce the structural strength. Damaged structural supports should be replaced or repaired and recertified by a professional engineer. Never exceed the limitations or maximum recommended load for the supports. [. . . ]

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