JBL VT4886 User Manual
Subcompact Passive
Three-Way High Directivity
VT4886
VERTEC®Series
Application:
The VT4886 Subcompact Passive Three-Way
Line Array Element is designed to deliver highquality reinforcement of music and speech in a
wide variety of applications including concert
audio and corporate A/V presentations of all
types for both portable users and fixed venue
installations.
Key Features:
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A true 3-way system, unique to the
subcompact category
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Highest component density and highest SPL
output in its class
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Variable curvature vertical (0-15 degrees) or
modular, constant curvature horizontal line
array
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Integrated Mid/High waveguide provides
precise vertical wavefront control and
optimized 110 degree horizontal dispersion
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Four midrange transducers with
Thermomaster
Boundary Integrator
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Low frequency diffraction absorber
eliminates cavity resonance and cabinet
edge diffraction effects
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Flexible installation accessories and
dedicated OEM factory presets provide
unparalleled application versatility
The VT4886 is a very compact, lightweight
enclosure housing two 6.5" low frequency
transducers, four 2.5" midrange components
and two 1" high frequency compression
drivers. Advanced component design and
density provide an extremely high power-toweight ratio with more SPL output than other
systems in its class.
A proprietary waveguide seamlessly
integrates MF and HF section output in a nextgeneration implementation of JBL’s patented
R.B.I. (Radiation Boundary Integrator
technology, providing precise wavefront
control and optimum inter-enclosure coupling.
JBL Thermomaster
transfer while reducing mid section power
compression. LF transducers feature patented
Differential Drive
matched to a low-frequency diffraction
absorber with a tuned resonant-chamber that
reduces cavity resonance and cabinet edge
diffraction effects. A highly refined passive
network minimizes insertion loss while
ensuring precise impedance matching between
LF, MF and HF sections.
Application flexibility was a key design
criterion. Possible uses include: suspended or
ground-stacked (standalone or with the
companion VT4883 subcompact subwoofer)
for FOH, offstage fill, stereo in-fill, center
cluster or delay cluster use; suspended with
VT4883 enclosures and additional groundstacked V
use; underbalcony (1-4 enclosures); distributed
front fill (1-2 enclosures); modular, constant
curvature horizontal line array; downfill use
with mid- or full-sized V
mounting (tripod-mounted or with optional
extension rod for the VT4883). For optimum
performance, DSP presets have been
specifically engineered for the abovementioned configurations.
®
cooling and Radiation
®
technology
®
)
®
technology improves heat
®
technology and are
ERTEC subwoofers for 4-way FOH
ERTEC models; pole
Line Array Element
Specifications:
System
Transducers
Enclosure
Optional Accessories
1
Specified JBL factory-engineered Digital Signal Processing (DSP) is required to achieve specified performance.
2
Power rating with shaped pink noise per IEC 268-5 filtered by specified DSP, and calculated based on minimum
impedance 60 Hz – 6 kHz.
3
Anechoic sensitivity of one enclosure in free-field. Measured with 3.64 Vrms pink noise filtered by specified DSP.
4
Calculated maximum SPL based on rated peak power and measured sensitivity
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.
Frequency Range (-10 dB)1: 65 Hz - 20 kHz
Frequency Response (±3 dB)1: 75 Hz - 18 kHz
Horizontal Coverage Angle (-6 dB): 110 degrees nominal (averaged 250 Hz - 16 kHz)
Vertical Coverage Angle (-6 dB): Varies with array size and configuration
System Input Power Rating2: 900 W Continuous, 3600 W Peak (AES / 2 hour)
Bandpass Nominal Impedance: 12 ohms (drivers wired in series-parallel, passive network)
Bandpass Sensitivity3: 101 dB, 1W / 1m
Maximum Peak Output4: 136 dB SPL, 1m
Recommended Amplification: 1400-1800 W at 12 ohms (single enclosure)
Recommended Signal Crown®I-Tech HD, Crown I-Tech, dbx®DriveRack®4800,
Processing: BSS Audio™ FDS-366T Omnidrive™, BSS Audio Soundweb™ London
Low Frequency: Two 2166H-1, 165 mm (6.5 in) dia., 50 mm (2 in) Dual Coil, Dual Magnet
Mid Frequency: Four 2103G, 101 mm (2.5 in) with 25.4 mm (1 in) dia. voice coil and
High Frequency: Two 2414H, 25 mm (1 in) exit compression driver, Neodymium magnet,
Box Construction: Wedge frustum 7.5 degree side angle enclosure, PlyMax™ engineered wood
Suspension System: S.A.F.E. hardware, integral hinge bars nest in suspension tubes on box ends.
Input Selection (Slide Switch): Pins 3+/3- (NL8) and 1+/1- (NL4) or,
Input Connectors: Neutrik®Speakon®NL-8 and NL-4 (2x each)
Dimensions (H x W x D): 197 mm x 579 mm x 261 mm
Net Weight: 15.4 kg (34 lb)
Shipping Weight: 17.5 kg (38.5 lbs)
VT4886-AF Array frame for suspension of VT4883, VT4886, or mixed VT4883/VT4886
VT4886-AB Adapter bar for attachment of multiple VT4886-AF array frames
VT4886-UB Under-balcony adapter plate, supplied with bolt-on pole mount adapter. Can
VT4886-UB2 Basic 2 point U Bracket adapter for suspension of smaller arrays
VT4886-HB Horizontal bracket for arraying VT4886 enclosures as a constant curvature
VT4886-DF88 Downfill Adapter for suspending VT4886 under VT4888
VT4886-DF89 Downfill Adapter for suspending VT4886 under VT4889
700 W Continuous, 2800 W Peak (100 hour)
2800-3600 W at 6 ohms (two enclosures in parallel)
4200-5400 W at 4 ohms (three enclosures in parallel)
5600-7200 W at 3 ohms (four enclosures in parallel)
Neodymium Differential Drive®, Direct Cooled™
Neodymium magnet
38 mm (1.5 in) voice coil
composite structure, DuraFlex™ finish, 2 handles
Quick release pins with restraining lanyards. Set of 4 hinge bars included.
Suspend with VT4886-AF Array Frame.
Grille: Black perforated steel, foam backed
Pins 4+/4- (NL8) and 2+/2- (NL4)
(7.8 in x 22.8 in x 10.3 in)
arrays. Can also be used for ground stacking.
also be used as a stacking platform for distributed front fill applications.
SS4-BK2 Adjustable extension rod with M20 thread for attachment to VT4883, hand crank
height adjustment and patented expanding mandrel system for secure, vibrationfree attachment of optional VT4886-UB accessory and up to 3x VT4886
horizontal line array
䉴 VT4886 Subcompact Passive Three-Way High Directivity Line Array Element
Frequency Response:
100
90
80
70
SPL (dB)
60
50
20 100 1000 10000 20000
Frequency (Hz)
Beamwidth:
360
100
10
Horizontal
-6 dB Beamwidth (degrees)
Vertical
1
20 100 1000 10000 20000
Frequency (Hz)
Directivity Index:
20
Horizontal Off-Axis:
10
0
-10
Attenuation (dB)
-20
-30
20 100 1000 10000 20000
Vertical Off-Axis:
10
0
-10
Attenuation (dB)
-20
-30
20 100 1000 10000 20000
100
0 deg
10 deg
20 deg
30 deg
40 deg
50 deg
60 deg
70 deg
80 deg
Frequency (Hz)
0 deg
10 deg
20 deg
30 deg
40 deg
Frequency (Hz)
10
Directivity Index (DI), dB
0
20 100 1000 10000 20000
7.8 [197]
Frequency (Hz)
10
Directivity Factor (Q)
1
5.2 [132]
7.9 [200]
Measured response of single enclosure at 4m.
Frequency response shown with short throw (ST)
preset providing nominal flat high frequency response.
10.3 [261]
10.0 [255]
9
Dimensions in inches (mm)
21.2 [540]
22.8 [579]
5.2 [132]
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