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VRX_Powered_UsersGuid#C77E6.qxp 9/21/07 5:05 PM Page 1
VRX932LAP
User ’s Guide
VRX918SP
VRX-AF
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VRX_Powered_UsersGuid#C77E6.qxp 9/21/07 5:05 PM Page 3 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 Warrant
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VRX_Powered_UsersGuid#C77E6.qxp 9/21/07 5:05 PM Page 4 SECTION 1. SAFETY INSTRUCTIONS 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 a
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VRX_Powered_UsersGuid#C77E6.qxp 9/21/07 5:05 PM Page 5 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 maintenanc
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VRX_Powered_UsersGuid#C77E6.qxp 9/21/07 5:05 PM Page 6 ® JBL DRIVEPACK DECLARATION OF CONFORMITY 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: Radiate
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VRX_Powered_UsersGuid#C77E6.qxp 9/21/07 5:05 PM Page 7 SECTION 2 : BEFORE YOU BEGIN 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
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VRX_Powered_UsersGuid#C77E6.qxp 9/21/07 5:05 PM Page 9 VRX932LAP - 12", POWERED TWO-WAY, LINE-ARRAY LOUDSPEAKER SYSTEM Frequency Range (-10 dB): 57 Hz - 20 kHz Frequency Response (±3 dB): 75 Hz - 20 kHz Coverage Pattern: 100º x 15º nominal 1 Maximum Peak Output, SPL 136 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 Impedan
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VRX_Powered_UsersGuid#C77E6.qxp 9/21/07 5:05 PM Page 11 VRX918SP - 18" POWERED SUBWOOFER Frequency Range (-10 dB): 31 Hz - 180 Hz Frequency Response (±3 dB): 34 Hz - 120 Hz Maximum Peak Output, SPL1: 126 dB SPL at 1m ® LF Driver: 1 x JBL 2268FF 457 mm (18 in) dual voice coil Differential Drive woofer with neodymium-magnet Bandpass Nominal Impedance: LF: 2 x 2 ohms DPC-2 Internal Amplification 1500 Watts Peak, 750 Watts Continuous Output (at nominal load): DPC-2 Output as (Continuous IEC shape
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VRX_Powered_UsersGuid#C77E6.qxp 9/21/07 5:05 PM Page 12 ® SECTION 5 : JBL DRIVEPACK TECHNOLOGY ® INTRODUCTION TO THE JBL DRIVEPACK DPC-2 INTEGRATED AUDIO SYSTEM JBL DrivePack equipped loudspeakers are a family of fully integrated audio systems, coupling industry-leading loudspeaker technology to a combination of comprehensive digital signal processing and advanced amplifier technology, perfectly matched to the enclosures to deliver superb audio quality and powerful performance. Designed in co
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VRX_Powered_UsersGuid#C77E6.qxp 9/21/07 5:05 PM Page 13 AC POWER REQUIREMENTS JBL DrivePack DPC-2 systems are equipped with a DPC-2 multi-channel Dual-Bridged Technology™ power amplifier and loudspeaker specific DSP electronics. The system requires appropriate AC power. CAUTION: In compliance with safety agency criteria and proper system operation, it is critical that the sys- tem installer observe all electrical safety practices at all times and provide proper earth grounding for all AC
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VRX_Powered_UsersGuid#C77E6.qxp 9/21/07 5:05 PM Page 14 DPC-2 AC POWER RATINGS Description 115VAC 230VAC Quiescent Power Draw 30W 30W 1/8th Power, Pink Noise (UL/CSA) 85W, 1.5A rms 85W, 1.5A rms 1/3rd Power, Pink Noise 2 A 1 A Maximum Power Draw 1440W 1440W Inrush Current Inrush current limiting via PTC soft-start 2 AC Power Module Connectors: 12A Max, 100-120VAC/220-240VAC, 50-60 Hz. 16 AWG (1.5 mm ) Class 1 Wiring Inlet Connector Rating 5A 3A Outlet Connector Rating 7A 9A Line Voltage Selec
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VRX_Powered_UsersGuid#C77E6.qxp 9/21/07 5:05 PM Page 16 CONNECTORS 9. Audio In F-XLR Active 20K Ohm Balanced, 10K Ohm Unbalanced. Pin 2 Hot (Positive voltage produces outward cone motion of L.F. Transducers). 10. Audio Out M-XLR Passive Audio Pass-through. Pin 2 Hot (Positive voltage produces outward cone motion of L.F. Transducers). 11. AC LINE INPUT ® Blue Neutrik PowerCon NAC3MPA A-type airtight twist-lock chassis connector for AC power inlet. The mating blue cable conn
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VRX_Powered_UsersGuid#C77E6.qxp 9/21/07 5:05 PM Page 18 INDICATORS 6. PEAK Red LED, detects excessive input signal. The LED illuminates when overload at any point is detected. 7. SIG Green LED, detects input signal, illuminates above the threshold set at -70 dBu. 8. POWER Blue LED - located near voltage select switch, illuminates when AC power is applied and unit is ready for operation. CONNECTORS 9. Audio In F-XLR Active 20K Ohm Balanced, 10K Ohm Unbalanced. Pin
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VRX_Powered_UsersGuid#C77E6.qxp 9/21/07 5:05 PM Page 19 AMPLITUDE SHADING AMPLITUDE SHADING Amplitude shading is a technique that allows the coverage pattern of a loudspeaker array to be shaped by adjusting the relative acoustic output of some of the devices in the array. Most often, array shading involves only the mid and high-frequency sections of the array. In a simple system consisting of three VRX932LAPs, the lower speaker (which covers the nearest listeners) may have its high-frequenc
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VRX_Powered_UsersGuid#C77E6.qxp 9/21/07 5:05 PM Page 20 ARRAY CONFIGURATION SELECTOR (ACS) Below is an example of applying the ACS in a three-speaker array. In this particular configuration, the ACS on the top speaker is set at +3 dB, the middle speaker at 0 dB, and the bottom speaker -3 dB. 20
