JBL Professional VT4887ADP-AN, VT4881ADP, VT4881ADP-AN, VT4887ADP-CN, VerTec DP User Manual
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Product User’s Guide
VT4887ADP
VT4887ADP-AN
VT4887ADP-CN
Compact Powered Line Array Systems
VT4881ADP
VT4881ADP-AN
VT4881ADP-CN
VERTEC User’s Guide
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TABLE OF CONTENTS
Section 1. Safety Instructions .....................................................................................Page 4
Section 2. Before You Begin ....................................................................................... Page 7
Section 3. Introduction to VERTEC® DP Series
Compact Powered Line Array Systems ...................................................Page 8
Specifications by model
Section 4. VERTEC® DP Series Transducers ..............................................................Page 10
Section 5. Enclosure Care and Maintenance ............................................................Page 11
Section 6. Rigging and Suspension ...........................................................................Page 12
Safety Precautions
Industry Resources
Section 7. JBL DrivePack® Technology .....................................................................Page 15
AC Power Module, Electrical Information
Input Modules (DPIP, DPAN, DPCN)
Protective Jackets & installation
Section 8. HiQnet System Architect™ Software Configuration Guide .....................Page 26
Configuring your PC
Ethernet Network connections
Appendix A: Configuring CobraNet devices
Appendix B: Setting Microsoft Windows to standard font size
Appendix C: Setting Regional Language Options to US English
Section 9. JBL Professional Warranty .......................................................................Page 37
Section 10. Factory Contact Information ....................................................................Page 39
JBL Professional
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SECTION 1 : SAFETY INSTRUCTIONS
Important
1. Read these instructions.
2. Keep these instructions.
3. Heed all warnings.
4. Follow all instructions.
5. Do not use this apparatus near water.
6. Clean only with dry cloth.
7. Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions.
8. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus
(including amplifiers) that produce heat.
9. Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has
two blades with one wider than the other. A grounding-type plug has two blades and a third
grounding prong. The wide blade or the third prong are provided for your safety. If the provided
plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet.
10. Protect the power cord from being walked on or pinched, particularly at plugs, convenience
receptacles, and the point where they exit from the apparatus.
11. Only use attachments/accessories specified by the manufacturer.
12. Use only with the cart, stand, tripod, bracket, or table specified by the manufacturer, or
sold with the apparatus. When a cart is used, use caution when moving the cart/apparatus
combination to avoid injury from tip-over.
13. Unplug this apparatus during lightning storms or when unused for long periods of time.
14. Refer all servicing to qualified service personnel. Servicing is required when the apparatus has
been damaged in any way, such as power supply cord or plug is damaged, liquid has been
spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or
moisture, does not operate normally, or has been dropped.
15. WARNING: To reduce the risk of fire or electric shock, do not expose this apparatus
to rain or moisture.
16. Do not expose this equipment to dripping or splashing and ensure that no objects filled with
liquids, such as vases, are placed on the equipment.
17. To completely disconnect this apparatus from the AC Mains, disconnect the power supply
cord plug from the AC receptacle.
18. The mains plug of the power supply cord shall remain readily operable.
VERTEC User’s Guide
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THIS APPARATUS CONTAINS POTENTIALLY LETHAL VOLTAGES. TO PREVENT ELECTRIC SHOCK OR
HAZARD, DO NOT REMOVE DRIVEPACK CHASSIS, INPUT MODULE OR AC INPUT COVERS. NO USER
SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.
WATCH FOR THESE SYMBOLS
The lightning bolt triangle is used to alert the user to the risk of electric shock.
The exclamation point triangle is used to alert the user to important operating or
maintenance instructions.
FCC COMPLIANCE NOTICE
This device complies with part 15 of the FCC rules. Operation is subject to the following two conditions: (1)
This device may not cause harmful interference, and (2) this device must accept any interference received,
including interference that may cause undesired operation.
CAUTION: Changes or modifications not expressly approved by the party responsible for compliance could
void the user’s authority to operate the equipment.
CSA COMPLIANCE NOTICE
CSA Certification Applies to Amplifier Module Only
JBL Professional
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JBL DRIVEPACK® DECLARATION OF CONFORMITY
Safety and EMC Compliance Specifications
EN 55103-1:1997 Electromagnetic Compatibility - Product Family Standard for Audio, Video, Audio-
Visual and Entertainment Lighting Control Apparatus for Professional Use, Part 1: Emissions
EN 55103-1:1997 Magnetic Field Emissions-Annex A @ 10 cm and 1 M
EN 55022:2003 Limits and Methods of Measurement of Radio Disturbance Characteristics of ITE:
Radiated, Class B Limits; Conducted, Class A
EN 55103-2:1997 Electromagnetic Compatibility - Product Family Standard for Audio, Video, AudioVisual and Entertainment Lighting Control Apparatus for Professional Use, Part 2: Immunity
EN 61000-4-2:1995 + A1:1999 & A2:2001 Electrostatic Discharge Immunity (Environment E2-criteria B, 4
kV Contact, 8 kV Air discharge)
EN 61000-4-3:2003 Radiated, Radio-frequency, Electromagnetic Immunity (Environment E2, criteria A)
EN61000-4-4:2005 Electrical Fast Transient/Burst Immunity (criteria B)
EN 61000-4-5:2001 Surge Immunity (criteria B)
EN 61000-4-6:1996 Immunity to Conducted Disturbances Induced by Radio-Frequency Fields (criteria A)
EN 61000-4-11:2004 Voltage Dips, Short Interruptions and Voltage Variation
UL 60065:2003, 7th edition: Audio/Video and Musical Instrument Apparatus for Household, Commercial
and Similar General Use
IEC 60065, 2001: Audio, Video and Similar Electronic Apparatus - Safety Requirements
CAN/CSA E60065-03: Audio, Video and Similar Electronic Apparatus – Safety Requirements
VERTEC User’s Guide
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SECTION 2 : BEFORE YOU BEGIN
The VERTEC® DP Series systems 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 loudspeakers 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 ultraviolet (UV) light.
VERTEC® DP Series Compact Powered Line Array loudspeakers can be suspended with available
array frames (P/N VT4887-AF, VT4887-SF) or they can be ground-stacked. These systems can
generate considerable energy. When placed on a slippery surface such as polished wood or
linoleum, a single 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 scaffold platform on which it is placed.
While it is unlikely that a ground-stacked array will move when properly attached to its array frame,
precautions should be taken to assure that the array assembly cannot fall from any surface on
which it is placed. Hearing damage, prolonged exposure to excessive SPL VERTEC® DP Series
loudspeakers are easily capable of generating sound pressure levels (SPL) sufficient to cause
permanent hearing damage to performers, production crew and audience members. Caution should
be taken to avoid prolonged exposure to SPL in excess of 90 dB.
Package Contents
• Product User’s Guide (this document)
• JBL DrivePack® compatible loudspeaker
• CD containing System Architect™ software (DPAN/DPCN only), DXF files, and spec sheets
• AC Power North America/Europe Cord-Set
• Protective Jacket Set
• Warranty Card
JBL Professional
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SECTION 3 : INTRODUCTION TO VERTEC® DP SERIES
COMPACT POWERED LINE ARRAY SYSTEMS
Shown: VT4881ADP over VT4887ADP
VERTEC® DP Series Compact Powered Systems
The VERTEC DP Series compact models are part of a family of powered integrated audio loudspeaker
systems featuring the JBL DrivePack® amplifi er modules, designed in cooperation with Crown International.
The JBL DrivePack features cutting-edge technology such as patented high effi ciency Class-I power
amplifi er circuitry. Loudspeaker components include patented JBL Differential Drive® woofers.
This guide covers the following models:
VT4881ADP .................................................... 1x18” subwoofer system
VT4881ADP-AN ...........................................with optional DPAN network input module, analog audio
VT4881ADP-CN ..........................................with optional DPCN network input module, digital audio
VT4887ADP .................................................... 2x8” bi-amplifi ed three-way full range system
VT4887ADP-AN ...........................................with optional DPAN network input module, analog audio
VT4887ADP-CN ..........................................with optional DPCN network input module, digital audio
VERTEC User’s Guide
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VERTEC DP SERIES, COMPACT POWERED SYSTEMS SPECIFICATIONS
Product Acoustics VT4887ADP VT4881ADP
Frequency Response (±3 dB): 67 Hz – 20 kHz 34 Hz - 125 Hz
Frequency Range (-10 dB): 55 Hz – 22 kHz 25 HZ - 160 Hz
Horizontal Coverage
Angle (-6 dB): 100 deg. nominal (500 Hz – 16 kHz) N/A
Vertical Coverage
Angle (-6 dB): Varies with array size and configuration N/A
Maximum Peak Output: 136 dB SPL, 1m 131 dB SPL, 1m
Transducer Sections
Low Frequency Two 2168H-1, 203 mm (8 in) dia., 76 mm
(3 in) Dual Coil, Differential Drive®, Direct
Cooled
Bandpass Nominal Impedance: 4 Ohms (LF woofers wired in parallel) 4 Ohms
One 2269G, 457 mm (18 in) dia., 100 mm
(4 in) Dual Coil, Differential Drive®, Direct
Cooled, 2000W Cont./8000W Peak
Mid & High Frequency: MID: Four 2104H 101 mm (4 in) with 25.4 mm
(1 in) dia. voice coil
HF: Two JBL 2408H 25 mm (1 in) exit compression drive, 38 mm (1.5 in) voice coil
Bandpass Nominal Impedance: 8 ohms (drivers wired in series-parallel) N/A
System Electronics
DP Internal Amplification
Output (at load): DP2; 2200W Peak, 1100W Continuous DP1; 3600W Peak, 1800W Continuous
DP Output Topology: DP2; 2-Channel, Class-I DP1; 1-Channel, Class-I
Signal Processing: dbx Type IV Conversion System, Precision bandpass filters, limiting, pre-equalization
filters and automatic self-test functions
System Management: DSP based limiters for mechanical and thermal protection
Signal Input: F-XLR Active 20K Ohms Balanced, 10K Ohms Unbalanced
Signal Loop-Through: M-XLR (passive pass-through)
Controls: Precision 0.5 dB increment Detented 16 dB input attenuator
AC Power Operating Range: Auto Select 90-132/VAC 50/60 Hz
AC Line Voltage: 50/60 Hz, Auto-Detect; 120V/240V (±10%)
AC Input Connector:
AC Power Loop-thru:
AC Current Requirement: 4A per system at 120V, 3A per system at
Enclosure
Box Construction: Wedge frustum 5 degree side angle enclo-
Suspension System: S.A.F.E. hardware, integral hinge bars nest
Dimensions (W x H x D): 787 mm X 279 mm X 563 mm
Net Weight: 39.7 kg (87.5 lb) 62.2 kg (137 lb)
Neutrik PowerCon (Blue)
Neutrik PowerCon (Gray)
240V
sure. PlyMax™ engineered composite structure, DuraFlex finish, 2 handles
in rigging tubes on box ends. Quick release
pins with restraining lanyards
Grille: Black perforated steel, foam backed
(31 in X 11 in X 22.1 in)
N/A
5A per system at 120V, 3.2A per system
at 240V
Rectangular enclosure. PlyMax™ engineered wood composite
structure. DuraFlex™ finish, 6 handles
S.A.F.E. hardware, as per VT4887ADP.
Suspend with VT4887-AF Array Frame.
Set of 4 hinge bars included with
VT4881ADP system.
787 mm X 569 mm X 800 mm
(31 in X 22.4 in X 31.5 in)
JBL Professional
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SECTION 4 : VERTEC® DP SERIES TRANSDUCERS
2408H High Frequency Compression 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 dynamic range. The 2408H
is an 8 Ohm device. Two are included in each VT4887ADP system.
2168H-1 Low Frequency Loudspeaker
The 2168H-1 is an 8” transducer engineered with JBL’s patented Differential
Drive® technology. These low frequency drivers dramatically reduce driver
weight while greatly enhancing all critical performance parameters: frequency
response, power output, and distortion. Differential Drive technology features
a unique design with heat sinks integrated into the cast aluminum frame for
a highly improved performance to weight ratio. The dual voice coil design
places the neodymium magnets inside the voice coil assembly, completing the
magnetic circuit without the heavy surrounding steel structure of conventional
drivers. 8 Ohm device.
For more information, see JBL Tech Note Vol. 1 Number 33, “Differential
Drive Transducers”
2269G Ultra Long Excursion, Differential Drive®
Low Frequency Drivers
Ultra Long Excursion 460mm (18”) transducer features 2000 watts continuous
(AES), 8000 watts peak power handling capacity. It’s the latest example of JBL’s
patented Differential Drive® dual voice-coil loudspeaker technology, fi tted with
dual neodymium magnets, JBL’s exclusive Vented Gap Cooling™, and an ultrarobust composite cone with a peak-to-peak maximum excursion of 89 mm
(3.5”).
VERTEC User’s Guide
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SECTION 5 : ENCLOSURE CARE AND MAINTENANCE
VERTEC DP Series enclosures are constructed of JBL PlyMax™, an exclusive hybrid engineered-wood
technology designed to reduce enclosure weight while offering exceptional panel rigidity with the appropriate
acoustical properties. The exterior of each enclosure is covered with JBL’s exclusive DuraFlex™ finish.
PAINTING JBL VERTEC DP SERIES SYSTEM PRODUCTS
Each JBL Professional VERTEC DP Series system model is readily paintable. The DuraFlex finish provides
a lightly textured surface that any household or industrial paint readily adheres to. The result is a speaker
enclosure that is able to blend unobtrusively into the decor of any stage set or environment.
Instructions for painting wood enclosures (do not paint the JBL DrivePack®):
1. Prepare the enclosure surface by cleaning and wiping off dust and film with a damp cloth. It may be
necessary to use a mild household cleaner to remove grease. Avoid using a cloth that will deteriorate over
the textured surface.
2. Apply as many coats of paint as is required. Application can be by rolling, brushing or spraying. Care must
be taken when painting the grille. Avoid any paint or type of application that will clog the open cells in the
foam of the front grille. Depending on the type of paint, it may not be wise to spray the grille.
3. For painting systems that are installed in environmentally-hostile locations, it is recommended that an
automotive paint should be used for maximum protection.
Note: for systems that will be transported on a regular basis, oil-based paints or Krylon-type spray paints will
give better long-term results than water-based Latex type paints.
JBL Professional
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SECTION 6 : RIGGING AND SUSPENSION
Safety Precautions
Before attempting to suspend your speakers, read and understand the following safety information.
IMPORTANT RIGGING 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 first 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, specifications, and/or local
regulations. Users in other countries should consult with appropriate engineering and regulatory authorities
for specific guidelines.
Correct use of all hardware is required for secure system suspension. Careful calculations should always be
performed to ensure that all components are used within their rated workload before the array is suspended.
Never exceed maximum recommended load ratings.
Before suspending any speaker system always inspect all components (enclosure, rigging frames, pins, 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 loadrated hardware when suspending VERTEC® DP Series loudspeakers.
VERTEC User’s Guide
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