Electro-Voice XLC Kurzanleitung

ELECTRO-VOICE®

XLC

Rigging Manual

XLC Rigging Manual

ELECTRO-VOICE®

XLC

Rigging Manual

Table of Contents

Rigging-Safety Warning.............................................................................................................................................. 2

0 Introduction .............................................................................................................................................................. 3

1 XLC Rigging System ............................................................................................................................................... 5

1.1 Overview of t e XLC Flying System ........................................................................................................ 5

1.2 Enclosure Rigging Hardware Details ....................................................................................................... 5

2 XLC Rigging and Flying Tec niques ..................................................................................................................... 10

2.1 Array Considerations ............................................................................................................................. 10

2.2 Rigging an Array Using t e XLC Front Dollies ....................................................................................... 10

3 Rigging-Strengt Ratings, Safety Factors, and Special Safety Considerations ..................................................... 15

3.1 Working-Load Limit (WLL) and Safety Factor Definitions ...................................................................... 15

3.2 Structural Rating Overview .................................................................................................................... 16

3.3 Simplified Structural-Rating Guidelines ................................................................................................. 16

3.4 Complex Structural-Rating Analysis ...................................................................................................... 18

3.5 Wind Loading ......................................................................................................................................... 24

3.6 Electro-Voice Structural-Analysis Procedures ....................................................................................... 25

4 Rigging Inspection and Precautions ...................................................................................................................... 26

References ............................................................................................................................................................... 28

Notes ........................................................................................................................................................................ 29

ELECTRO-VOICE®

XLC

Rigging Manual

Rigging-Safety Warning

This document details general rigging practices appropriate to the entertainment industry, as they

would apply to the rigging of Electro-Voice XLC loudspeaker systems. It is intended to familiari e

the reader with standard rigging hardware and techniques for suspending XLC loudspeaker

systems overhead. Only persons with the knowledge of proper hardware and safe rigging

techniques should attempt to suspend any sound systems overhead. Prior to suspending any

Electro-Voice XLC loudspeaker systems overhead, it is essential that the user be familiar with the

strength ratings, rigging techniques and special safety considerations outlined in this manual. The

rigging techniques and practices recommended in this manual are, of necessity, in general terms

to accommodate the many variations in loudspeaker arrays and rigging configurations. As such,

the user is expressly responsible for the safety of all specific XLC loudspeaker array designs and

rigging configurations as implemented in practice.

All the general rigging material contained in this manual is based on the best available

engineering information concerning materials and practices, as commonly recogni ed in the

United States, and is believed to be accurate at the time of the original printing. As such, the

information may not be directly applicable in other countries. Furthermore, the regulations and

requirements governing rigging hardware and practices may be superseded by local regulations.

It is the responsibility of the user to ensure that any Electro-Voice loudspeaker system is

suspended overhead in accordance with all current federal, state and local regulations.

All specific material concerning the strength ratings, rigging techniques and safety considerations

for the XLC loudspeaker systems is based on the best available engineering information

concerning the use and limitations of the products. Electro-Voice continually engages in testing,

research and development of its loudspeaker products. As a result, the specifications are subject

to change without notice. It is the responsibility of the user to ensure that any Electro-Voice

loudspeaker system is suspended overhead in accordance with the strength ratings, rigging

techniques and safety considerations given in this document and any manual update notices. All

non-Electro-Voice associated hardware items necessary to rig a complete XLC loudspeaker array

(grids, chain hoists, building or tower supports and miscellaneous mechanical components) are

the responsibility of others.

Electro-Voice

July, 2002

ELECTRO-VOICE®

XLC

Rigging Manual

Figure 1a: XLC-127 Loudspeaker System

Front View (Without Grille)

Weig t: 116 lb (52.6 kg) Top View

14.25in

(362mm)

Center of Gravity

Side View

Rear View Center of Gravity

.31in

(211mm)

Ref

.31in

(211mm)

22.50in

(572mm)

19.44in

(494mm) 39.00in

(991mm)

11.02in

(2 0mm)

Cent.

0. Introduction

The XLC (X-Line Compact) loudspeaker systems represent an important step in line-array

technology for small- and medium-scale sound reinforcement. The individual loudspeaker drivers,

acoustic lenses, acoustic waveguides, enclosures and rigging hardware were all designed

specifically for the XLC product line to not only achieve the highest acoustic output with the

highest fidelity, but also to produce a precise wavefront from each element to achieve state-of-the-

art line-array performance. A brief description of the product line is included below. The XLC

loudspeaker systems are shown in Figure 1 with key dimensions and weights.

XLC-127: Three-way, LF/MB/HF loudspeaker system with a 120°H x 7.0°V coverage pattern. The

system includes one DL12ST 12-inch (305-mm) LF driver, two DM65 6.5-inch (165-mm) MB

drivers and two DH2T-16 2-inch (51-mm) HF drivers. The XLC-127 has a switchable crossover

that allows either biamp or triamp operation. The XLC-127 utili es an enclosure that is trape oidal

in the vertical plane (with an 8° total included angle) and has the standard XLC 8° rigging frame

secured to the left and right enclosure sides.

XLC-127+: Three-way, LF/MB/HF loudspeaker system with a 120°H x 7.0°V coverage pattern.

The system includes one DL12ST 12-inch (305-mm) LF driver, two DM65 6.5-inch (165-mm) MB

drivers and two ND6-16 3-inch (76-mm) HF drivers. The XLC-127+ has a switchable crossover

that allows either biamp or triamp operation. The XLC-127+ utili es the same 8° trape oidal

enclosure as the XLC-127 and has the same standard XLC 8° rigging frame secured to the left

and right enclosure sides.

XLC-118: Subwoofer loudspeaker system with one EVX180B 18-inch (457-mm) woofer. The

XLC-118 utili es an enclosure that is trape oidal in the vertical plane (with a 12° total included

angle) and has the standard XLC 12° rigging frame secured to the left and right enclosure sides.

ELECTRO-VOICE®

XLC

Rigging Manual

Figure 1b: XLC-127+ Loudspeaker System

Front View (Without Grille)

Weig t: 111 lb (50.3 kg) Top View

14.25in

(362mm)

Center of Gravity

Side View

Rear View Center of Gravity

7.94in

(202mm)

Ref

22.50in

(572mm)

19.56in

(497mm) 39.00in

(991mm)

11.02in

(2 0mm)

Cent.

Figure 1c: XLC-118 Loudspeaker System

Front View (Without Grille)

Weig t: 120 lb (54.4 kg) Top View

21.44in

(545mm)

Center of Gravity

Side View

Rear View

16.64in

(423mm)

Cent.

9.3 in

(23 mm)

Ref

9.3 in

(23 mm)

22.50in

(572mm)

19.50in

(495mm) 39.00in

(991mm)

7.94in

(202mm)

Center of Gravity

ELECTRO-VOICE®

XLC

Rigging Manual

1. XLC Rigging System

1.1 Overview of the XLC Flying System

The XLC loudspeaker systems have been designed to construct acoustic line arrays. Acoustic line

arrays typically consist of independent columns of loudspeaker systems. This simplifies the

rigging system.

The XLC loudspeaker enclosures utili e a hinged rigging system that makes constructing arrays

easy, predictable and repeatable. This front-hinging rigging concept allows arrays to be

constructed with the least possible spacing between enclosures. The front and back rigging

hardware for linking two enclosures together are captured as an integral part of the side rigging

frames.

A basic array is shown in Figure 2 that illustrates the integral components that make up a typical

XLC flying system. The XLC enclosures are vertically trape oidal - taller at the front than at the

back. The enclosures are hinged at the front corners using rigging hardware specially designed

for the XLC system. The enclosures are linked at the rear using rigging arms that have multiple

attachment positions. The different positions adjust how close the back corners of the enclosures

are pulled together; hence, adjusting the vertical angle of the bottom enclosure.

1.2 XLC En losure Rigging Hardware Details

On each side of the enclosure is an XLC rigging frame assembly. All the rigging hardware needed

to fly a column of XLC enclosures is an integral part of a high-strength aluminum-alloy rigging

frame. The structural load is transmitted through the frame minimi ing the load on the loudspeaker

enclosure shell. Figure 3 illustrates the XLC enclosure rigging hardware components. Figures 4a

and 4b show key dimensions for the rigging hardware.

At the front of the frame is a rectangular rigging tube. Captured inside the rigging tube is a rigging

connector called the button bar. The button bar is constructed from a high-strength aluminum

alloy. The button bar can slide out the top of the tube and be locked into position as shown in

Figure 2. The portion of the button bar sticking out the top would be inserted into the front rigging

tube of an enclosure above, linking the two enclosures together and forming a hinging point

between the two enclosures. The button bar can also be fully retracted inside the tube for

transportation.

Each button bar has two spring-loaded buttons that extend out of the bar. The front rigging tube

has two holes that lock the buttons from the bar in place. As shown in Figure 3, the bottom button

locks the button bar in place at the top of the tube. The exposed top button is then used to lock

the button bar in the tube of an enclosure above. For transportation, the button bar would be slid

down inside the tube and would be locked in the tube using the top button.

At the rear of the frame is a rigging slot. Captured inside the rigging slot is a rigging connector

called the swing arm. The swing arm is constructed from a high-strength aluminum alloy. The

swing arm can be pivoted to stick out the top as shown in Figure 3. At the bottom of the frame, the

rear rigging slot has a series of holes.

ELECTRO-VOICE®

XLC

Rigging Manual

Figure 2:

Typical XLC Flying System

Hoist Motor

XLC Enclosures

Grid

Ei ht XLC Enclosures

Hin ed at the Front by

the Button Bars and

Front Ri in Tubes

An les Between

Enclosures fixed by Pins

throu h the Swin Arms

and Rear Ri in Slot

Holes

The swing arm from an enclosure below can be pivoted up so that one of the quick-release pins

may be inserted through the holes in the rigging slot on the frame and the slot in the swing arm,

linking the two enclosures together. The vertical tilt angle of the bottom enclosure is then

determined by the hole in which the swing arm is pinned. The XLC-127 and XLC-127+ enclosures

may be angled from 0° to 8° in 1° increments, while the XLC-118 enclosure may be angled from

0° to 12° in 1° increments. The angle adjustment holes are detailed in figures 4a and 4b. This pin

fixes the maximum distance the back corners of the enclosures may be separated.

Swin Arm

Button Bar

ELECTRO-VOICE®

XLC

Rigging Manual

Specifically, this means that when the enclosures are suspended, the back of the bottom

enclosure will rotate down until the pin is stopped at the end of the slot in the swing arm. This one

pin will not prevent the back corners of the enclosures from coming together. When landed, the

enclosures will compress together until their back corners touch. The enclosures can be locked

apart by inserting a second quick-release pin in the rear rigging holes directly above the first pin

at the end of the swing arm as shown in Figure 5. With a second pin, the swing arm becomes

immobile and the array becomes rigid so that when it is landed, the enclosures are locked at the

selected angles.

Two quick-release pins on lanyards are attached to the rear rigging frame for pinning the swing

arm. An XLC system can often be flown using only a single pin - the one that passes through the

slot in the swing arm. The choice of whether to add the second pin is left to the user. This decision

is often based on personal preferences regarding the technique of transferring the enclosures

from the array to dollies for transport in touring applications. In some situations, however, the

second pin is required. Two pins must always be used whenever a pull back is necessary to tilt

the entire array downward more than gravity will allow. If a second pin is not used, the shape of

the array will change as the pull back is applied. Another example where a second pin is required

is when an array with a large vertical arc is created. Gravity may not allow all the enclosures to be

angled apart as much as necessary. In this case, the second pin is necessary to hold the

enclosures apart to achieve the desired array shape. If the user decides not to use the second pin

to hold enclosures apart at the rear, the pin should be installed in the swing-arm transport hole to

prevent it from dangling and catching on something or getting in the way. Using this hole, the

swing arm may be pivoted down into the rigging slot on the frame and pinned into its fully

retracted position for transport.

Quick-Release Pins to

Lock Swin Arm in Rear

Ri in Slot Bottom Sprin -

Loaded Lockin

Button

Rear Ri in Slot

Swin -Arm Slot

Rear Swin Arm

XLC Enclosure

Top Sprin -Loaded

Lockin Button

Front Button Bar

Hole in Ri in

Tube for Lockin

Button

Front Ri in Tube

Figure 3a:

XLC Rigging ardware

Holes in Ri in Slot to

Pin the Swin Arm from

the Box Below

Hole in Ri in

Tube for Lockin

Button

Button Bar Knob

Swin -Arm

Transport Hole

ELECTRO-VOICE®

XLC

Rigging Manual

Figure 4a:

XLC-127 and XLC-127+ Rigging Dimensions

Rear View

Side View

Front View (With Grille)

Hole Detail

Scale = 3:1

5.63in

(143mm)

Typ.

.75in

(222mm)

1.00in

(25.4mm)

Typ.

3 .22in

(971mm)

Cent.

4. in (124mm)

4.75in (121mm)

0.3 in

(9.7mm) R4.94in (125mm)

1.22in

(31.0mm)

Typ.

37.53in

(953mm)

Cent.

0.65in

(16.5mm)

Typ.

Dia .3 5in

(9. mm)

(11 Plcs.)

.730in (1 .5mm) Typ.

.365in (9.3mm)

.300in (7.6mm)

20.90in

(531mm)

.730in (1 .5mm) Typ. 0° Hole

1° Hole 2° Hole

3° Hole 4° Hole

5° Hole 6° Hole

7° Hole ° Hole

ELECTRO-VOICE®

XLC

Rigging Manual

Figure 4b:

XLC-118 Rigging Dimensions

Rear View

Side View

Front View (With Grille)

Hole Detail

Scale = 3:1

9.22in

(234mm)

Typ.

12.34in

(313mm)

1.00in

(25.4mm)

Typ.

3 .22in

(971mm)

Cent.

7.79in (19 mm)

7.67in (195mm)

0.32in

( .1mm)

R6.30in (160mm)

1.22in

(31.0mm)

Typ.

37.53in

(953mm)

Cent.

0.65in

(16.5mm)

Typ.

Dia .3 5in

(9. mm)

(15 Plcs.)

.737in (1 .7mm) Typ.

.36 in

(9.4mm) .300in (7.6mm)

20.90in

(531mm)

.737in (1 .7mm) Typ. 0° Hole

1° Hole 2° Hole

3° Hole 4° Hole

5° Hole 6° Hole

7° Hole ° Hole

9° Hole 10° Hole

11° Hole 12° Hole

Figure 5:

Dual Locking Pin Rigging Configurations

CORRECT INCORRECT

= Pin

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