JBL VRX932LAP Manuel utilisateur

User’s Guide VRX932LAP

VRX918SP

VRX-AF

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PATENTS

VRX series products are manufactured and sold under U.S. patents 5,748,760; 6,112,847; 6,394,223; 6,847,726;

6,774,510; D483,743; and 6,768,806.

CONTENTS

Section 1. Safety Instructions 4

JBL DrivePack®Declaration of Conformity 6

Section 2. Before You Begin 7

Section 3. Introduction to The VRX932LAP 8

Section 4. Introduction to The VRX918SP 10

Section 5. JBL DrivePack®Technology 12

VRX932LAP Input Panel 15

VRX918SP Input Panel 17

Amplitude Shading 19

Section 6. Deploying The System 21

Section 7. Suspension Safety Warnings! 23

Section 8. Introduction to The VRX-AF 26

JBL Warranty and Information 27

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IMPORTANT SAFETY INSTRUCTIONS

1. Read these instructions.

2. Keep these instructions.

3. Heed all warnings.

4. Follow all instructions.

5. Do not use this apparatus near water.

6. Clean only with dry cloth.

7. Do not block any ventilation openings. Install in accordance with the manufacturer's instructions.

8. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus

(including amplifiers) that produce heat.

9. Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two

blades with one wider than the other. A grounding-type plug has two blades and a third grounding

prong. The wide blade or the third prong are provided for your safety. If the provided plug does not

fit into your outlet, consult an electrician for replacement of the obsolete outlet.

10. Protect the power cord from being walked on or pinched, particularly at plugs, convenience

receptacles, and the point where they exit from the apparatus.

11. Only use attachments/accessories specified by the manufacturer.

12. Use only with the cart, stand, tripod, bracket, or table specified by the manufacturer,

or sold with the apparatus. When a cart is used, use caution when moving the cart/

apparatus combination to avoid injury from tip-over.

13. Unplug this apparatus during lightning storms or when unused for long periods of time.

14. Refer all servicing to qualified service personnel. Servicing is required when the apparatus has

been damaged in any way, such as power supply cord or plug is damaged, liquid has been spilled

or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does

not operate normally, or has been dropped.

15. WARNING: To reduce the risk of fire or electric shock, do not expose this apparatus to rain or moisture.

16. Do not expose this equipment to dripping or splashing and ensure that no objects filled with liquids,

such as vases, are placed on the equipment.

17. To completely disconnect this apparatus from the AC Mains, disconnect the power supply cord plug

from the AC receptacle.

18. The mains plug of the power supply cord shall remain readily operable.

SECTION 1. SAFETY INSTRUCTIONS

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THIS APPARATUS CONTAINS POTENTIALLY LETHAL VOLTAGES. TO PREVENT ELECTRIC SHOCK OR

HAZARD, DO NOT REMOVE DRIVEPACK CHASSIS, INPUT MODULE OR AC INPUT COVERS. NO USER

SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.

WATCH FOR THESE SYMBOLS

The lightning bolt triangle is used to alert the user to the risk of electric shock.

The exclamation point triangle is used to alert the user to important operating or maintenance

instructions.

FCC COMPLIANCE NOTICE

This device complies with part 15 of the FCC rules. Operation is subject to the following two conditions: (1) This

device may not cause harmful interference, and (2) this device must accept any interference received, including

interference that may cause undesired operation.

CAUTION: Changes or modifications not expressly approved by the party responsible for compliance could void

the user's authority to operate the equipment.

CSA COMPLIANCE NOTICE

CSA Certification Applies to Amplifier Module.

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SAFETY AND EMC COMPLIANCE SPECIFICATIONS

EN 55103-1:1997 Electromagnetic Compatibility - Product Family Standard for Audio, Video,

Audio-Visual land Entertainment Lighting Control Apparatus for Professional Use,

Part 1: Emissions

EN 55103-1:1997 Magnetic Field Emissions-Annex A @ 10 cm and 1 M

EN 55022:2003 Limits and Methods of Measurement of Radio Disturbance Characteristics of ITE:

Radiated, Class B Limits; Conducted, Class A

EN 55103-2:1997 Electromagnetic Compatibility - Product Family Standard for Audio, Video,

Audio-Visual and Entertainment Lighting Control Apparatus for Professional Use,

Part 2: Immunity

EN 61000-4-2: A2:2001 Electrostatic Discharge Immunity (Environment E2-criteria B, 4 kV Contact, 8 kV

Air discharge)

EN 61000-4-3:2003 Radiated, Radio-frequency, Electromagnetic Immunity (Environment E2, criteria A)

EN61000-4-4:2005 Electrical Fast Transient/Burst Immunity (criteria B)

EN 61000-4-5:2001 Surge Immunity (criteria B)

EN 61000-4-6:1996 Immunity to Conducted Disturbances Induced by Radio-Frequency Fields

(criteria A)

EN 61000-4-11:2004 Voltage Dips, Short Interruptions and Voltage Variation

UL 6500 2nd Edition 1999 Audio/Video and Musical Instrument Apparatus for Household, Commercial and

Similar General Use

CAN/CSA E60065-00 Audio, Video and Similar Electronic Apparatus - Safety Requirements

JBL DRIVEPACK®DECLARATION OF CONFORMITY

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The VRX Series loudspeakers covered by this manual are not intended for fixed installation in outdoor or high

moisture environments. Moisture can damage the speaker cone and surround and cause corrosion of electrical

contacts and metal parts. Avoid exposing the speakers to direct moisture. Keep loudspeakers out of extended or

intense direct sunlight. The driver suspension will prematurely dry out and finished surfaces may be degraded by

long-term exposure to intense ultra-violet (UV) light.

The VRX Series loudspeakers can generate considerable energy. When placed on a slippery surface such as

polished wood or linoleum, the speaker may move due to its acoustical energy output. Precautions should be

taken to assure that the speaker does not fall off a stage or table on which it is placed.

Make sure the selected AC line voltage is correct.

STAND MOUNTING SAFETY PRECAUTIONS

Some VRX Series models can be used with an optional stand mount accessory allowing mounting on tripod

stands or on a pole over subwoofers. When using stands or poles, be sure to observe the following precautions:

• Check the stand or pole specification to be certain the device is designed to support the weight of the

speaker. Observe all safety precautions specified by the manufacturer.

• Always verify that the stand (or subwoofer / pole) is placed on a flat, level, and stable surface and be

sure to fully extend the legs of tripod type stands. Position the stand so that the legs do not present a

trip hazard.

• Route cables so that performers, production crew, and audience will not trip over them and pull the

speaker over.

• Inspect the stand (or pole and associated hardware) before each use and do not use equipment with

worn, damaged, or missing parts.

• Do not attempt to place more than two VRX932LAP Series loudspeaker on a stand or pole.

• Always be cautious in windy, outdoor conditions. It may be necessary to place additional weight (i.e.

sandbags) on the base of the stand to improve stability. Avoid attaching banners or similar items to

any part of a speaker system. Such attachments could act as a sail and topple the system.

• Unless you are confident that you can handle the weight of the speaker, ask another person to help

you get it onto the tripod stand or pole.

HEARING DAMAGE, PROLONGED EXPOSURE TO EXCESSIVE SPL

VRX Series loudspeakers are easily capable of generating sound pressure levels (SPL) sufficient to cause

permanent hearing damage to performers, production crew and audience members. Caution should be taken to

avoid prolonged exposure to SPL in excess of 90 dB.

SECTION 2 : BEFORE YOU BEGIN

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SECTION 3 : INTRODUCTION TO THE VRX932LAP

The VRX932LAP is a powered, two-way, full-range line array speaker system. It is intended for small to mid size

venues. The JBL DrivePack®DPC-2 amplifier module provides the power and the integrated DSP based input

module system optimization and EQ. Since each VRX932LAP has a vertical coverage of 15°, line arrays up to

5 x 15° = 75° vertical included angle can be attained. Each cabinet houses 3 HF drivers mounted at equal

distance on a waveguide. When combining multiple cabinets, (creating a continuous arc) the distance between

the drivers to the adjacent cabinets remains the same creating a constant curvature line source. Furthermore

the coverage can be optimized by means of the Array Configuration Selector (ACS), an amplitude shading

feature (see page 19 and 20). Built-in rigging hardware, a dual angle pole mount socket and an array frame

provide a variety of suspension options.

DIMENSIONAL DRAWINGS FOR VRX932LAP

23.5

(596.9)

R: 51.9º

7.1

(179.5)

17.8

(452.1)

13.75

(349.0)

8.0

(203.2)

4.7

(118.6)

9.5

(241.7)

15º

23.5

(596.9)

6.7

(171.0)

Dimensions in inches (mm)

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VRX932LAP - 12", POWERED TWO-WAY, LINE-ARRAY LOUDSPEAKER SYSTEM

FUNCTIONAL BLOCK DIAGRAM

Frequency Range (-10 dB): 57 Hz - 20 kHz

Frequency Response (±3 dB): 75 Hz - 20 kHz

Coverage Pattern: 100º x 15º nominal

Maximum Peak Output, SPL1136 dB SPL at 1m

LF Driver: 1 x JBL 2262FF 305 mm (12 in) dual voice coil Differential Drive®woofer with

neodymium-magnet

HF Driver: 3 x JBL 2408J, 34 mm (1.5 in) voice coil, neodymium compression driver

Bandpass Nominal Impedance: LF: 2 x 2 ohms

HF: 4 ohms

DPC-2 Internal Amplification Output

(at nominal load): 1750 Watts Peak, 875 Watts Continuous

DPC-2 Output (Continuous IEC shaped pink

noise into rated load impedance): LF: 750 Watts, HF: 125 Watts

DPC-2 Output Section: LF: Dual Bridged Technology™, Class D

HF: Bridged Class D

Audio Input Connector: XLR with loop through

User Controls: Input Attenuator (0-16 dB)

ACS (Array Configuration Selector)

HF level adjustment (+3 dB, 0 dB, -3dB)

Signal Processing: DSP based, resident in Input Module

System Management: DSP based limiters for mechanical and thermal protection.

AC Power Operating Range: 90-132 VAC or 216-264 VAC, 50/60Hz

AC Line Voltage: User selectable: 120V/240V (-15%, +10%)

AC Input Connector: Neutrik PowerCon®(NAC 3MPA)

AC Loop Through Connector: Neutrik PowerCon®(NAC 3MPB)

AC Current Requirements: 6A per system at 120V, 3A per system at 240V

Enclosure: 25/15 mm, birch plywood.

Suspension / Mounting: Optional VRX-AF line-array frame kit, 10mm forged eyebolts or internal dual angle

36mm pole mount cup for pole or tripod mounting

Finish: Black DuraFlex™ finish

Grille: Powder coated, black, 16-gauge perforated steel with acoustically transparent foam

Dimensions (H x W x D): 349 mm x 597 mm x 444 mm (13.75 in x 23.5 in x 17.5 in)

Net Weight: 24 kg (52 lb)

Optional Accessories: VRX-AF array frame

SS2-BK tripod speaker stand

SS3-BK satellite speaker pole

SS4-BK adjustable satellite speaker pole to be used with the VRX918S/SP and

SRX718S only.

1Maximum Peak output measured with IEC pink noise at 1 meter in front of speaker baffle under free space conditions. Measurement

instrument set to peak hold. Speaker muted and released at full power, recording maximum peak level.

Input

Output

Signal Peak

Power Amplifiers

High

Low

ACS

Attenuation

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The VRX918SP is a powered, 18" direct radiating subwoofer. It is intended for use in suspended arrays or

ground-stack applications. The built-in JBL DrivePack DPC-2 amplifier module, designed in cooperation with

Crown, provides 1500 Watts of peak power. The DSP based resident input module provides system optimization,

EQ and crossover functionality. The integrated suspension system is design for full compatibility with the

VRX-AF array frame and the VRX932LAP line array speaker systems.

DIMENSIONAL DRAWINGS FOR VRX918SP

14.5

(368.3)

23.5

(597.9)

20.0

(508.0)

Dimensions in inches (mm)

SECTION 4 : INTRODUCTION TO THE VRX918SP

7.5

(190.0)

29.5

(749.8)

14.5

(367.8)

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