JBL VRX900 User Manual
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JBL VRX900 User Manual

Vrx900 series
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U s e r ' s G u i d e
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  • Page 1 U s e r ’ s G u i d e...

  • Page 2: Important Safety Instructions

    Amplitude Shading Deploying the System Suspension Safety Warnings System Processor Tunings / Notes JBL Warranty and Contacts Important Safety Instructions The VRX Series loudspeakers covered by this manual are not intended for fixed installation in outdoor or high moisture environments. Moisture...
  • Page 3 Array Configuration Selector - HF Output Level PASSIVE BI-AMP PASSIVE BI-AMP ±1 IN: 6 Ω PARALLEL ±1 LF: 8 Ω ±2 N/C ±2 HF: 6 Ω VRX932LA Serial No. JBL PROFESSIONAL Northridge, CA USA Made in USA Dimensions in mm (inches)

  • Page 4: Specifications

    95 dB SPL (passive mode) LF: 95 dB HF: 114 dB 1 x JBL 2262H 305 mm (12 in) Differential Drive® woofer with neodymium-magnet and dual voice-coils 3 x JBL 2407J, 25.4 mm (1 in) voice-coil, neodymium magnet compression driver...
  • Page 5 INTRODUCTION TO THE VRX928LA The VRX928LA – the smaller version of the VRX932LA is a light-weight, compact, 8", two-way line-array speaker system designed for use in arrays of up to six units. VRX928LA is the ideal choice when line-array performance is needed but the venue size doesn't call for the very long-throw characteristics of larger line-arrays.
  • Page 6 90 dB SPL (passive mode) LF: 90 dB HF: 108 dB 1 x JBL 2168H-1, 200 mm (8 in) Differential Drive 2 x JBL 2414H, 25 mm (1.0 in) neodymium compression driver Passive: 8 Ohms Bi-amp LF: 8 Ohms Bi-amp HF: 16 Ohms Tunings available at www.jblpro.com...
  • Page 7 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. *NOTE: The VRX918S-WH is designed for fixed installation situations where white loudspeakers are required to match existing decor.
  • Page 8 800 W / 1600 W / 3200 W 130 dB SPL peak 95 dB SPL 1 x JBL 2268H 457 mm (18 in) Differential Drive woofer 8 ohms Use SRX718S tunings Top mounted M20 threaded socket for optional SS4-BK pole...
  • Page 9 INTRODUCTION TO THE VRX915S The VRX915S a very compact single 15” direct radiating subwoofer is intended as companion subwoofer for the VRX928LA. The suspension system is designed for full compatibility with the VRX928LA Line Array System and with the VRX-SMAF array frame. The M20 mounting plate allows for utilization of the adjustable pole mount SS4-BK.
  • Page 10 800 W / 1600 W / 3200W +2 dB at 45Hz, Q: 2.5 126 dB SPL 91 dB SPL 1 x JBL 2265G-1, 250 mm (15 in) Differential Drive 4 Ohms Tunings available at www.jblpro.com 15 mm - 18 mm, multi ply birch plywood Top mounted M20 threaded socket for optional pole SS4-BK.
  • Page 11 The enclosure is constructed of top quality Baltic birch plywood and is coated in JBL’s rugged DuraFlex™ finish. It is a symmetrical 30° wedge design, with four non-slip rubber feet per side enabling convenient left and right applications of adjacent monitors.
  • Page 12 JBL continually engages in research related to product improvement. Some materials, production methods and design refinements are introduced into existing products without notice as a routine expression of that philosophy. For this reason, any current JBL product may differ in some respect from its published description, but will always equal or exceed the original design specifications unless otherwise stated.
  • Page 13 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 •...
  • Page 14 INTRODUCTION TO THE VRX-SMAF The VRX-SMAF is an array frame designed to be used for suspension of the VRX928LA and VRX915S loudspeaker systems. The optional array frame kit includes the following items: • 1 x frame • 2 x quick release pins •...
  • Page 15 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 VRX932LA/VRX928LAs, the lower speaker (which covers the nearest listeners) may have its high-frequency output reduced.
  • Page 16 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. +3 dB 0 dB -3 dB...
  • Page 17 • One or two VRX932LA cabinets may be mounted onto either a JBL SS2-BK tripod stand or with the SS4-BK adjustable pole mount to their companion VRX918S or SRX718S subwoofers. Do not mount VRX932LA cabinets on top of the compact VRX915S subwoofer! •...
  • Page 18 Safe combinations are: VRX918S with VRX932LA VRX915S with VRX928LA WARNING: Only the correct quick release pins supplied by JBL are to be used. Dual VRX932LA/VRX928LA Unlike most conventional speakers, the VRX932LA/VRX928LA 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.
  • Page 19 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 20 The VRX subwoofers must always be on top of the array. Installing the Array Frame The array frame is attached to the internal rigging of the VRX900 system using the provided Quick Release Pins [Warning: Do not use any substitute for these pins].
  • Page 21 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 attachment points. The VRX918S and VRX915S subwoofers must always be at the top of the array.
  • Page 22 SYSTEM PROCESSOR TUNINGS Please visit www.jblpro.com/tunings for latest versions of our recommended system tunings or call customer service at Toll Free 1-800-852-5776. NOTES...
  • Page 23 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.
  • Page 24 JBL Professional 8500 Balboa Blvd. Northridge, CA 91329 USA Part Number: 353551-005 03/2007...

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