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Manual JBL Professional VT4881ADP-AN

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  • JBL Professional VT4881ADP-AN - page 1

    P rod uc t User ’ s Gui de Co m pa ct P o w e re d L in e A rr a y S y s t em s VT4887ADP VT4887ADP-AN VT4887ADP-CN VT4881ADP VT4881ADP-AN VT4881ADP-CN ...

  • JBL Professional VT4881ADP-AN - page 2

    2 V ER T EC User’ s Guide ...

  • JBL Professional VT4881ADP-AN - page 3

    3 JBL Professional Section 1. Safety Instructions ..................................................................................... Page 4 Section 2. Before Y ou Begin ....................................................................................... Page 7 Section 3. Introduction to V ER T EC ® DP Series Compact Powered Line Array System ...

  • JBL Professional VT4881ADP-AN - page 4

    4 V ER T EC User’ s Guide SECTION 1 : SAFETY INSTRUCTIONS Important 1. Read these instructions. 2. Keep these instructions. 3. Heed all warnings. 4. Follo w all instructions. 5. Do not use this apparatus near water . 6. Clean only with dr y cloth. 7. Do not block any ventilation openings. Install in accordance with the manufacturer ’ s instruct ...

  • JBL Professional VT4881ADP-AN - page 5

    5 JBL Professional THIS APP ARA TUS C ONT AINS POTENTIALL Y LETHAL VOL T AGES. T O PREVENT ELECTRIC SHOCK OR HAZARD , DO NOT REMOVE DRIVEP ACK CHASSIS, INPUT MODULE OR AC INPUT C OVERS. NO USER SERVICEABLE P ARTS INSIDE. REFER SER VICING T O QU ALIFIED SER VICE PERSONNEL. WA TCH FOR THESE SYMBOLS The lightning bolt triangle is used to alert the use ...

  • JBL Professional VT4881ADP-AN - page 6

    6 V ER T EC User’ s Guide JBL DRIVEP ACK ® DECLARA TION OF CONFORMITY Safety and EMC Compliance Specifications EN 55103-1:1997 Electromagnetic Compatibility - Product F amily Standard f or Audio , Video, Audio- Visual and Enter tainment Lighting C ontrol Apparatus for P rofessional Use , Part 1: Emissions EN 55103-1:1997 Magnetic Field Emission ...

  • JBL Professional VT4881ADP-AN - page 7

    7 JBL Professional SECTION 2 : BEFORE YOU BEGIN The V ER T EC ® DP Series systems cov ered by this manual are not intended for fix ed installation in outdoor or high moisture en vironments. Moisture can damage the speaker cone and surround and cause corrosion of electrical contacts and metal par ts. A void exposing the speakers to direct moisture ...

  • JBL Professional VT4881ADP-AN - page 8

    8 V ER T EC User’ s Guide SECTION 3 : INTRODUCTION TO VERTEC ® DP SERIES COMP ACT POWERED LINE ARRA Y SYSTEMS Shown: VT4881ADP over VT4887ADP V ER T EC ® DP Series Compact Power ed Systems The V ER T EC DP Series compact models are par t of a family of powered int egrated audio loudspeaker systems fea turing the JBL Dr iveP ack® amplifi er mo ...

  • JBL Professional VT4881ADP-AN - page 9

    9 JBL Professional V ER T EC DP SERIES, COMP ACT POWERED SYSTEMS SPECIFICA TIONS Product Acoustics VT4887ADP VT4881ADP Fr equenc y Response (±3 dB): 67 Hz – 20 kHz 34 Hz - 125 Hz Fr equenc y Range (-10 dB): 55 Hz – 22 kHz 25 HZ - 160 Hz Horizontal Co verage Angle (-6 dB): 100 deg. nominal (500 Hz – 16 kHz) N/A V er tical Cov erage Angle (-6 ...

  • JBL Professional VT4881ADP-AN - page 10

    10 V ER T EC User’ s Guide 2408H High Frequency Compr ession Driver JBL ’ s 2408H features a lightweight neodymium magnet structure , annular polymer diaphragm and a 1” exit. Coupled to a proprietary waveguide engineered to be part of the system ’ s thermal-transfer mechanism, it is designed to deliver crystal-clear sound with superb dynami ...

  • JBL Professional VT4881ADP-AN - page 11

    11 JBL Professional SECTION 5 : ENCLOSURE CARE AND MAINTENANCE P AINTING JBL VERTEC DP SERIES SYSTEM PRODUCTS VERTEC DP Series enclosures are constructed of JBL PlyMax™, an exclusive h ybrid engineered-wood technology designed to reduce enclosur e weight while offering ex ceptional panel rigidity with the appropriate acoustical properties. The ex ...

  • JBL Professional VT4881ADP-AN - page 12

    12 V ER T EC User’ s Guide SECTION 6 : RIGGING AND SUSPENSION Before attempting to suspend your speakers, read and understand the following safety information. IMPOR T ANT RIGGING SAFETY WARNING! The information in this section has been assembled from recogniz ed engineering data and is intended for informational purposes only . None of the infor ...

  • JBL Professional VT4881ADP-AN - page 13

    13 JBL Professional Ar e Y ou New to Rigging? If you are new to rigging , you should do the following: • Read and study JBL T echnical Note Volume 1, Number 14: Basic Principles f or Suspending Loudspeaker Systems (a vailable at http://www .jblpro .com/pub/technote/tn_v1n14.pdf ). • Know the Rules for Safe Rigging . • Attend a saf e rigging s ...

  • JBL Professional VT4881ADP-AN - page 14

    14 V ER T EC User’ s Guide Safe Rigging The JBL V ER T EC ® DP Series arrayable loudspeakers are equipped with integral suspension har dware and should only be suspended using the supplied equipment. The system is designed to facilitat e the suspension of the loudspeakers by a qualified person familiar with rigging hardware and industry practic ...

  • JBL Professional VT4881ADP-AN - page 15

    15 JBL Professional Intr oduction to the JBL DrivePack Integrated Audio System JBL DriveP ack equipped loudspeakers are a family of fully integrated audio systems , coupling industr y- leading loudspeaker technology to a combination of compr ehensive digital signal processing and advanc ed amplifier technology , perfec tly matched t o the enclosur ...

  • JBL Professional VT4881ADP-AN - page 16

    16 V ER T EC User’ s Guide AC POWER REQUIREMENTS Standard JBL DriveP ack systems are equipped with a DP multi-channel Cro wn Class-I power amplifier and loudspeaker specific DSP electronics and require appropriate AC po wer . CAUTION: In compliance with safety agency criteria and proper system operation, it is cr itical that the system installe ...

  • JBL Professional VT4881ADP-AN - page 17

    17 JBL Professional DP2 AC Power Ratings Description 120V AC 240V AC Idle (Sleep Mode) < 20W Quiescent P ower Draw < 75W 1/8th Po wer , Pink Noise (UL/CSA) 400W , 4A rms 400W , 3A rms 1/3rd P ower , Pink Noise 8 A 4.6 A Maximum Po wer Draw 3950W Inrush Current Inrush current limiting via PT C soft-star t AC P ower Module Connectors: 12A Max, ...

  • JBL Professional VT4881ADP-AN - page 18

    18 V ER T EC User’ s Guide AC Power Module POWER Indicator: Blue LED – located near power inlet ligh ts when AC power is applied . Amp READY Indicator: Green LED near power inlet , ON during normal operation, long pulse during sleep mode. Sleep Mode: If audio input signals are not detected for 2 hours , the amplifi er will go into sleep/standb ...

  • JBL Professional VT4881ADP-AN - page 19

    19 JBL Professional DPIP – Standar d Input Module See Figure 1 The standard DPIP input module fea tures analog audio inputs and sophisticated onboard digital signal processing technology . Precision Bandpass limiting, pre-equalization fi lters and automatic self-test functions ensure optimized per formance . JBL engineers have calibrated DSP spe ...

  • JBL Professional VT4881ADP-AN - page 20

    20 V ER T EC User’ s Guide DP AN – HiQnet Network Input Module, Analog Audio with Networking See Figure 1a The DP AN input module features analog audio inputs and sophisticated onboard digital signal pr ocessing technology . Precision band pass limiting, pre-equalization fi lters and automatic self-test functions ensure optimized per formance ...

  • JBL Professional VT4881ADP-AN - page 21

    21 JBL Professional 12) NETWORK 100MB LINK a) The LINK LED indica tes that the data is at 100 Megabits. 13) DA T A a) Y ellow LED Flashes for rec eived data packet addressed to this DP AN device. CONNECTORS XLR connectors allow connectivit y to an analog audio sourc e. This input can be used as a back-up to CobraNet® or as a primar y audio source ...

  • JBL Professional VT4881ADP-AN - page 22

    22 V ER T EC User’ s Guide DPCN – Optional HiQnet Network Input Module with CobraNet™ Digital Audio See Figure 1b In addition to all featur es included on the DP AN, the DPCN input module adds CobraNet and offers the ability to direct up to 64 audio channels on one network, with digital audio and remote control and monitoring via Ethernet com ...

  • JBL Professional VT4881ADP-AN - page 23

    23 JBL Professional CONNECTORS XLR connectors allow connectivity to an analog audio source. T his input can be used as a back-up to CobraNet™ or as a primary audio source in the absence of Cobr aNet™. 8) AUDIO IN a) F-XLR Active 20K Ohm Balanced , 10K Ohm Unbalanced, PIN 2 HO T . 9) AUDIO OUT a) M-XLR P assive Audio P ass-through. 10a & 10b ...

  • JBL Professional VT4881ADP-AN - page 24

    24 V ER T EC User’ s Guide Pr otective Jackets for Input and AC Power Modules Each V ER T EC Series system is supplied with a pair of protective jackets that are designed to fit snugly onto the input and AC pow er modules of the DP2 or DP1 elec tronics assembly . These jackets are made of reinf orced , weatheriz ed nylon fabric with V elcro atta ...

  • JBL Professional VT4881ADP-AN - page 25

    25 JBL Professional 5. Wrap the opposite end of the open jacket around the riser ring as shown in Figure 4 . Be cer tain that the bottom of the prot ec tive jacket is tucked-in all the way around the riser ring as shown. 6. “Zip” up the V elcro strip and pull the dra w cord closed as required as shown in Figure 5 . The protective jacket should ...

  • JBL Professional VT4881ADP-AN - page 26

    26 V ER T EC User’ s Guide The V ER T EC DP Series has optional advanced network contr ol capabilities with the DP AN or DPCN input modules. V ER T EC DP Series loudspeak er systems so equipped utiliz e Harman Professional’ s HiQnet™ protocol to enable a c omplete configuration, control, and monitoring solution. HiQnet protocol pro vides rem ...

  • JBL Professional VT4881ADP-AN - page 27

    27 JBL Professional QUICK-ST ART -- CONNECTING PC TO A JBL HiQNet DEVICE FOR THE FIRST TIME: If this your first experience connecting a control comput er running System Architect to a HiQnet-compliant JBL product, then this initial test configuration will be useful. It will greatly help to resolve simple networking issues before y ou connect to m ...

  • JBL Professional VT4881ADP-AN - page 28

    28 V ER T EC User’ s Guide Step 4) Now launch S ystem Architect in Windows. Once you see the V enue View of System Architect appear , then proceed as f ollows. Step 5) V erify that the HiQnet™ network is active by observing the net work status ic on located at the bottom left of the Venue windo w . The ic on should indicate “Network Active” ...

  • JBL Professional VT4881ADP-AN - page 29

    29 JBL Professional Step 2) With System Ar chitect running in Windows , power up the remaining loudspeakers connected to the network one or two at a time. System Architect will automatically determine an IP address and a HiQnet Address f or each loudspeaker on the net work assuming the devices popula ting the network are new units (DHCP ENABLED). T ...

  • JBL Professional VT4881ADP-AN - page 30

    30 V ER T EC User’ s Guide ...

  • JBL Professional VT4881ADP-AN - page 31

    31 JBL Professional Auto HiQnet Address: When devices boot up , System Archit ec t software, when configured to do so , will automatically negotiate and assign a unique HiQnet ™ addr ess to each device. The devices will then keep this address until there is a conflict at start up or the user manually assigns the device a new address. Auto-IP Ad ...

  • JBL Professional VT4881ADP-AN - page 32

    32 V ER T EC User’ s Guide APPENDIX A: CONFIGURING COBRANET General CobraNet is a lic ensed technology developed by P eak Audio , Inc. consisting of proprietar y communications protocol, fir mware and hardw are. It allows reliable, deterministic (i.e. real-time) transmission of high quality (i.e. un-compressed) digital audio over standard 100Bas ...

  • JBL Professional VT4881ADP-AN - page 33

    33 JBL Professional Priority A higher Conductor Priority ov er-rides a lower priority . I f an operating C onduc tor is remo ved from the net- work for an y reason (e.g. power turned off ), the remaining devices again arbitrate and select a new Conduc- tor . All Cobr aNet devices have the capacity to serve as the Conductor . The Conductor periodica ...

  • JBL Professional VT4881ADP-AN - page 34

    34 V ER T EC User’ s Guide APPENDIX B: Setting Windows to the Standard Font Size 1. Open the Windows control panel. 2. Double click on the Display panel, the Display Properties panel will open. 3. Next click on the Appearance tab . 4. Go to the ‘Fon t size’ drop-down menu and select “Normal ” . 5. Click on the Apply button, then “OK” ...

  • JBL Professional VT4881ADP-AN - page 35

    35 JBL Professional APPENDIX C: Setting MS Windows Regional and Language Options to U.S. (United States) English 1. Open the Windows control panel. 2. Double-click on Regional and Language Options icon; Regional Options panel will open. 3. Click on the Languages tab . 4. Next, click on the ‘D etails ’ button. ...

  • JBL Professional VT4881ADP-AN - page 36

    36 V ER T EC User’ s Guide 5. The T ex t Ser vices and Input Languages panel will open. 6. Go to the Default input language drop-down menu and select English (United States), U.S... Click on the OK button to close the T ext Ser vices and Input Languages panel. 7. End. ...

  • JBL Professional VT4881ADP-AN - page 37

    37 JBL Professional SECTION 9 : JBL LIMITED WARRANTY The JBL Limited W arranty on professional loudspeaker products (except f or enclosures) remains in effect for five years fr om the date of the first consumer purchase. JBL DrivePack® amplifiers are warran ted for three years from the dat e of original purchase. Enclosures and all other JBL pr ...

  • JBL Professional VT4881ADP-AN - page 38

    38 V ER T EC User’ s Guide SECTION 10 : JBL CONT ACT INFORMA TION Mailing Address: JBL Prof essional 8500 Balboa Blvd . Northr idge , CA 91329 USA Shipping Address: JBL Prof essional 8370 Balboa Blvd ., Dock D Northr idge , CA 91329 USA (Do not return product to this address without first obtaining prior authorization from JBL) Customer Service: ...

  • JBL Professional VT4881ADP-AN - page 39

    39 JBL Professional ...

  • JBL Professional VT4881ADP-AN - page 40

    Part Number: 362870-001 VTDP-C PROD GUIDE 0706 8500 Balboa Boulevard Northridge, CA 91329 USA Visit us online at www .jblpro.com ...

Manufacturer JBL Professional Category Stereo Amplifier

Documents that we receive from a manufacturer of a JBL Professional VT4881ADP-AN can be divided into several groups. They are, among others:
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All of them are important, but the most important information from the point of view of use of the device are in the user manual JBL Professional VT4881ADP-AN.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals JBL Professional VT4881ADP-AN, service manual, brief instructions and user manuals JBL Professional VT4881ADP-AN. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product JBL Professional VT4881ADP-AN.

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A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use JBL Professional VT4881ADP-AN by users. Manuals are usually written by a technical writer, but in a language understandable to all users of JBL Professional VT4881ADP-AN.

A complete JBL Professional manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

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