JBL VRX932LA-1 [16/24] Deploying the system
![JBL VRX932LA-1 [16/24] Deploying the system](/views2/2012560/page16/bg10.png)
DEPLOYING THE SYSTEM
The VRX932LA-1/VRX928LA is a flexible speaker system that can be deployed in ground-supported or
suspended applications. The following information will help you set up your VRX932LA-1/VRX928LA
system safely and effectively.
POLE AND TRIPOD SAFETY WARNINGS!
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.
• Be certain that the surface on which the system is to be stacked is flat, stable and solid.
• Route cables so that performers, production crew, and audience will not trip and topple the speakers.
• 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 VRX932LA-1/VRX928LA loudspeakers on a stand or pole.
• When mounting two VRX932LA-1/VRX928LA speakers on a pole or tripod, integral rigging
hardware must be used to secure the speakers to each other.
• Always be cautious when deploying the system outdoors. Unexpected winds may topple a system.
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.
• One or two VRX932LA-1/VRX928LA cabinets may be mounted onto either a JBL SS2-BK
tripod stand or with the SS4-BK adjustable pole mount to their companion VRX918S,VRX915S
or SRX718S subwoofers.
Do not mount VRX932LA-1 cabinets on top of the compact VRX915S subwoofer!
.
SINGLE VRX932LA-1/VRX928LA
A single VRX932LA-1 may be used on a tripod stand (JBL SS2-BK) or on a
pole (JBL SS4-BK) over its companion subwoofer the VRX918S or the
SRX718S. The use of a subwoofer is recommended for applications requiring
more low-frequency power and extension. Usually, the Array Configuration
Selector (ACS) switches on the input panel should be set to the “Short Throw
(-3 dB)” position when a single speaker is used.
A single VRX928LA may be used on a tripod stand (JBL SS2-BK) or on a pole
(JBL SS4-BK) over its compact companion subwoofer the VRX915S or the
larger VRX918S/SRX718S subwoofer models.
The VRX932LA-1/VRX928LA includes a dual angle 36 mm pole mount socket.
By selecting the appropriate pole socket and adjusting the height of the tripod
or pole, optimum coverage may be achieved. Ideally, the audience should not
be able to see either he bottom or the top surfaces of the speaker. This will
insure that all listeners are within the "included coverage angle" of the loud-
speaker. The rear pole-socket will position the speaker with the baffle 2.5° to
the floor while the forward socket will position the speaker with the baffle
angled down by 15°. System illustration shows the available JBL SS2-BK
tripod stand.
NOTE: VRX932LA-1WH/VRX928LA-WH does not include pole mount features
and is designed specifically for fixed installations.
All of the information in this section for VRX932LA-1 also applies to previous VRX932LA systems.
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VRXpassive_UG_081808 copy.qxp 8/18/08 11:37 AM Page 16
Содержание
- U s e r s g u i d e 1
- Contents 3
- Important safety instructions 3
- Introduction to the vrx932la 1 4 vrx932la 1 specifications 5 introduction to the vrx928la 6 vrx928la specifications 7 introduction to the vrx918s 8 vrx918s specifications 9 introduction to the vrx915s 10 vrx915s specifications 11 introduction to the vrx915m 12 vrx915m specifications 13 amplitude shading 14 15 system processor tunings 15 deploying the system 16 17 suspension safety warnings 18 20 introduction to the vrx af 21 introduction to the vrx smaf 22 jbl warranty and information 23 3
- Patents 3
- 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 speakers 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 3
- The vrx 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 3
- 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 6 768 806 and d483 744 3
- Dimensional drawings for vrx932la 1 4
- Introduction to the vrx932la 1 4
- Functional block diagram 5
- Specifications 5
- Vrx932la 1 12 two way line array loudspeaker system 5
- Dimensional drawings for vrx928la 6
- Dimensions in mm inches 6
- Introduction to the vrx928l 6
- Note the vrx928la wh is designed for fixed install situations where white loudspeakers are required to match existing decor white versions therefore do not have handles feet or pole mount features 6
- 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 the vrx928la offers all the same features as the vrx932la as with the vrx932la the array configuration selector acs makes it possible to distribute the sound more evenly over the entire audience area by reducing the output near the stage and increasing it for the far to reach rear areas see page 14 15 6
- Functional block diagram 7
- Specifications 7
- Vrx928la 8 two way line array speaker 7
- Dimensional drawings for vrx918s 8
- Dimensions in mm inches 8
- Introduction to the vrx918s 8
- Note the vrx918s wh is designed for fixed installation situations where white loudspeakers are required to match existing decor white versions therefore do not have handles feet or pole mount features 8
- 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 1 line array speaker system and the vrx af array frame 8
- Vrxpassive_ug_081808 copy qxp 8 18 08 11 37 am page 8 8
- Functional block diagram 9
- Specifications 9
- Vrx918s 18 bass reflex subwoofer 9
- Dimensional drawings for vrx915s 10
- Dimensions in mm inches 10
- Introduction to the vrx915s 10
- Note the vrx915s wh is designed for fixed install situations where white loudspeakers are required to match existing decor white versions therefore do not have handles feet or pole mount features 10
- 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 10
- Vrxpassive_ug_081808 copy qxp 8 18 08 11 37 am page 10 10
- Warning the vrx928la is the only system intended for use with the vrx915s when utilizing the ss4 bk 10
- Functional block diagram 11
- Specifications 11
- Vrx915s 15 bass reflex subwoofer 11
- Dimensional drawing for vrx915m 12
- Introduction to the vrx915m 12
- Functional block diagram 13
- Specifications 13
- Vrx900 13
- Vrx915m 15 two way stage monitor 13
- Amplitude shading 14
- Array configuration selector acs 14
- Frequency response 14
- Array configuration selector acs 15
- Bi amplified system 15
- System processor tunings 15
- Deploying the system 16
- Pole and tripod safety warnings 16
- Single vrx932la 1 vrx928la 16
- Dual vrx932la 1 vrx928la 17
- Locking 2 vrx932la 1 vrx932la 1wh vrx928la vrx928la wh loudspeakers together 17
- Are you new to rigging 18
- Attachment to structures 18
- Inspection maintenance 18
- Suspension safety warnings 18
- A d b a d 19
- Installing the array frame 19
- Maximum array size 19
- Vrx af array frame 19
- Vrx smaf array frame 19
- Vrx932la af array frame 19
- Eyebolt suspension 20
- Eyebolt suspension array frame suspension 20
- Ground stacked upward firing arrays 20
- Suspension in permanent installations 20
- 1 x center frame 2 x side arms 4 x quick release pins 2 x drop levers 2 x 3 8 shackles 21
- Dimensional drawings for vrx af 21
- Dimensions in mm inches 21
- Introduction to the vrx af 21
- The vrx af is an array frame designed to be used for suspension of the vrx932la 1 and vrx918s loudspeaker systems the optional array frame kit includes the following items 21
- The vrx af vrx932la af and vrx smaf array frames have been precisely engineered to work together with the vrx line of speakers as a system the working load limit depends upon the configuration of array frame and speakers being suspended please refer to the deploying the system section of this user guide for maximum allowable load limits when using the vrx af vrx smaf or vrx932la af frame 21
- Use of the array frames in any manner other than as described in this manual could result in damage to the frame and pose a risk of injury or death 21
- Vrxpassive_ug_081808 copy qxp 8 18 08 11 37 am page 21 21
- Working load limit 21
- 1 x frame 2 x quick release pins 2 x drop levers 2 x 3 8 shackles 22
- Dimensional drawings for vrx smaf 22
- Dimensions in mm inches 22
- Introduction to the vrx sma 22
- The vrx smaf array frame has been specifically designed to work only with the vrx928la and vrx915s speakers use of the array frames in any manner other than as described in this manual could result in damage to the frame and pose a risk of injury or death 22
- 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 22
- The working load limit depends upon the configuration of array frame and speakers being suspended please refer to the deploying the system section of this user guide for maximum allowable load limits when using the vrx smaf frame 22
- Working load limit 22
- Customer service 23
- How to obtain warranty performance 23
- Jbl warranty and information 23
- Mailing address 23
- On the world wide web 23
- Outside the usa 23
- Product registration 23
- Shipping address 23
- What does the jbl warranty cover 23
- Who is protected by this warranty 23
- Who pays for what 23
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