JBL VRX932LA User Manual
Jbl vrx series loudspeakers user's guide
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Also See for VRX932LA:
- User manual (13 pages) ,
- Specification sheet (4 pages) ,
- Brochure & specs (3 pages)
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V V R R X X 9 9 3 3 2 2 L L A A
V V R R X X 9 9 3 3 2 2 L L A A - - W W H H
V V R R X X 9 9 1 1 8 8 S S
V V R R X X 9 9 1 1 8 8 S S - - W W H H
V V R R X X - - A A F F
IMPORTANT: This manual contains
updated suspension information and
supersedes all previously published
JBL VRX user's guides.
October 31, 2005
User's Guide
Part Number: 353551-004
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Summary of Contents for JBL VRX932LA
- Page 1 V V R R X X 9 9 1 1 8 8 S S - - W W H H V V R R X X - - A A F F User’s Guide IMPORTANT: This manual contains updated suspension information and supersedes all previously published JBL VRX user’s guides. October 31, 2005 Part Number: 353551-004...
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Page 2: Amplitude Shading
Introduction to the VRX-AF Amplitude Shading System Processor Tunings Deploying the System 11-15 JBL Professional Warranty and Contact Information Important Safety Instructions The VRX Series loudspeakers covered by this 1. Read these instructions. manual are not intended for fixed installation in 2. - Page 3 Dimensional Drawings 11/18/04 The VRX932LA is a two-way, line-array loudspeaker system intended for use in arrays of up to six enclosures. Three high-frequency drivers are mounted to the Constant Curvature waveguide which is designed so that multiple enclosures may be arrayed with no discontinuity in the vertical coverage pattern. As a result, the array will behave in much the same way as would a single loudspeaker.
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Page 4: Specifications
95 dB SPL (passive mode) LF: 95 dB HF: 114 dB LF Driver: 1 x JBL 2262H 305 mm (12 in) Differential Drive® woofer with neodymium-magnet and dual voice-coils HF Driver: 3 x JBL 2407J, 25.4 mm (1 in) voice-coil, neodymium magnet compression driver... - Page 5 INTRODUCTION TO THE VRX918S The VRX918S is a compact single 18˝ direct radiating subwoofer intended for use in suspended arrays or ground-supported applications. The suspension system is designed for full compatibility with the VRX932LA line-array speaker system and the VRX-AF array frame.
- Page 6 (Continuous / Program / Peak): Maximum SPL : 130 dB SPL peak 95 dB SPL Sensitivity (1w @ 1m): 1 x JBL 2268H 457 mm (18 in) Differential Drive woofer LF Driver: 8 ohms Nominal Impedance: Active Tunings: Use SRX718S tunings...
- Page 7 INTRODUCTION TO THE VRX-AF The VRX-AF is an array frame designed to be used for suspension of the VRX932LA and VRX918S loudspeaker systems. The optional array frame kit includes the following items: • 1 x center frame • 2 x side arms •...
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Page 8: Frequency Response
Frequency Response Equipped with Differential DriveÆ iveÆ Transducer Technology U.S. PATENT 5,748,760 VRX932LA T 5,748,760 The frequency response graph represents measurements from a single VRX932LA speaker, applying the three Single JBL PROFESSIONAL Serial No. Speak er M i d Long... - Page 9 In a bi-amplified system, array shading is accomplished by connecting separate amplifier channels to the HF section of each VRX932LA. In larger arrays, a single amplifier channel may be used for two adjacent loudspeakers. Array shading is then accomplished by adjusting the gain of the HF amplifier channels. For extremely precise control over system performance, it may also be desirable to dedicate an individual system controller output to each HF amplifier channel.
- Page 10 NOTE: For VRX932LA systems in passive mode use the suggested Xover For Sub filter as is and adjust the subwoofer gain for desired performance. For VRX932LA systems in bi-amp mode use the suggested Xover For Sub filter settings and implement it to your matching bi-amp fullrange table.
- Page 11 • Do not attempt to place more than two VRX932LA loudspeakers on a stand or pole. • When mounting two VRX932LA speakers on a pole or tripod, integral rigging hardware must be used to secure the speakers to each other.
- Page 12 Dual VRX932LA Unlike most conventional speakers, the VRX932LA is designed so that a pair of speakers may be safely mounted onto a pole or tripod stand. For most applications, the forward socket of the dual angle pole socket will be used. This will tilt the lower of the two speakers at a 15°...
- Page 13 JBL is not responsible for the application of its products for any purpose or the misuse of this information for any purpose. Furthermore, JBL is not responsible for the abuse of its products caused by avoiding compliance with...
- Page 14 2. Place the entire array frame on top of the VRX932LA or VRX918S and flip up the drop levers (C) found on both sides of the speaker to be received by the array frame arms.
- Page 15 A kit consisting of three (3) forged shoulder eyebolts is available from JBL Professional as part number 229-00009-01. Suspension of the VRX array must employ both top attach- ment points. The VRX918S subwoofers must always be at the top of the array.
- Page 16 Department), 8500 Balboa Boulevard, PO. Box 2200, Northridge, California 91329 (818/893-8411). We may direct you to an authorized JBL Service Agency or ask you to send your unit to the factory for repair. Either way, you'll need to present the original bill of sale to establish the date of purchase. Please do not ship your JBL product to the factory without prior authorization.