JBL Speaker JBL PRX700 Series Speaker User Manual

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The PRX700 series speakers covered by this manual are not intended for use in 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 speakers out of extended or intense direct sunlight. The driver suspension
will prematurely dry out and nished surfaces may be degraded by long-term exposure to
intense ultra-violet (UV) light. PRX700 series speakers 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.
Stand Mounting Safety Precautions
Some PRX700 series models include a 36 mm receptacle cup to allow 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 specication to be certain the device is designed to support the weight of the
speaker. Observe all safety precautions specied by the manufacturer.
• Always verify that the stand (or subwoofer/pole) is placed on a at, 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 and topple the speakers 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 one PRX700 series speaker 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 condent that you can handle the weight of the speaker, ask another person to help
you get it onto the tripod stand or pole.
• JBL highly recommends that no more than 80 lbs of weight be placed on a speaker pole that is
mounted to a PRX715XLF or PRX718XLF.
Suspension of Loudspeaker System
Before attempting to suspend your JBL loudspeakers, read and understand the following safety information.
IMPORTANT SAFETY WARNING!
The information in this section has been assembled from recognized engineering data and is intended for
informational purposes only. None of the information in this section should be used without rst obtaining
competent advice with respect to applicability to a given circumstance. None of the information presented herein
is intended as a representation or warranty on the part of JBL. Anyone making use of this information assumes
all liability arising from such use. All information presented herein is based upon materials and practices
common to North America and may not directly apply to other countries because of differing material
dimensions, specications, and/or local regulations. Users in other countries should consult with appropriate
engineering and regulatory authorities for specic guidelines. Correct use of all rigging hardware is required for
secure system suspension. Careful calculations should always be performed to ensure that all components are
used within their working load limits before the array is suspended. Never exceed the maximum recommended
load ratings. Before suspending any speaker system always inspect all components (enclosure, rigging frames,
pins, eyebolts, track ttings, etc.) for cracks, deformations, corrosion, missing, loose or damaged parts that could
reduce strength and safety of the array. Do not suspend the speaker until the proper corrective action has been
taken. Use only load-rated hardware when suspending JBL suspendable loudspeaker models.
PRECAUTIONS

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