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JBL VT4887A 8 inch Line Array Speaker (Discontinued)
Part # VT4887A
Model # VT4887A

The JBL VT4887A Compact Bi-Amplified 3-Way High Directivity Line Array Element designed to deliver high-quality reinforcement of music and speech in a variety of applications.

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Description

Details

The VT4887A Compact Bi-Amplified 3-Way High Directivity Line Array Element designed to deliver high-quality reinforcement of music and speech in a variety of applications including concert audio and corporate A/V presentations of all types. The VT4887A is a rugged, compact and lightweight enclosure housing two 8" woofers, four 4" midrange radiators, and two high frequency compression drivers. VERTEC’s advanced components provide an extremely high power-to-weight ratio. Enclosure features foam-backed low frequency grilles, dense protective foam inserts for midrange apertures and fine steel mesh grille to protect high-frequency apertures. Speaker cones are treated with weather-resistant compounds.

VERTEC arrays are rigid for maximum support strength, yet flexible in design and application. The VT4887A’s suspension hardware relies on quick-release pins and end-mounted metal tubes to couple adjacent VT4887A’s together. Rigging tubes made of hard-black anodized 6061-T6 Aluminum. Hinge bars made from premium-grade chromoly alloy steel with epoxy powder coating over plated surfaces.
Plated hinge pins and stainless steel quick release pin lanyards to resist corrosion and weather damage. Enclosure ships with integral front and rear hinge bar set. Protective grille cover/wheel board and soft cover ensure handy transport for rough road conditions, (purchased separately as VT4887-ACC).
Features

Features

  • Advanced technology components
  • Differential Drive®
  • Neodymium magnet
  • Dual voice coil
  • Direct Cooled™ cone transducers for low weight and high output
  • Waveguide units couple to create precision HF vertical slot aperture
  • Radiation Boundary Integrator® (RBI): Patented technology integrates output of individual bandpass elements
  • Advanced construction techniques and hybrid materials provide exceptionally rigid, lightweight enclosure construction
  • Rugged DuraFlex exterior finish; weatherized components
  • Patented, integrated S.A.F.E. suspension system: premium heat-treated alloys provide high-strength, reliable hanging arrays
  • Pre-engineered to accept optional JBL DrivePack® amplified electronics package
  • Rear-panel mechanical attachments and electrical connections ensure upgrade path to self-powered system
  • For use in stand-alone arrays or in combination with other VERTEC DP SERIES system products
Specification
Frequency Range (-10 dB)55 Hz – 22 kHz
Frequency Response (+/- 3 dB)67 Hz – 20 kHz
Horizontal Coverage Angle (-6 dB)100 degrees nominal (500 Hz – 16 kHz)
Vertical Coverage Angle (-6 dB)Varies with array size and configuration
System Input Power RatingLF: 1000W Continuous, 4000W Peak (AES/2 hour), MF/HF: 225W Continuous, 900W Peak (AES/2 hour)
Maximum Peak Output131 to 141 dB SPL, 1m (frequency/bandpass dependent)
Recommended AmplificationLF: 1000–2000W into 8 ohms MF/HF: 450–900W into 8 ohms
Recommended Signal Processingdbx® 4800, Crown® I-Tech, BSS FDS-366T, and other Digital System Controllers supported
Low FrequencyTwo 2168J-1, 203 mm (8 in) dia., 76 mm(3 in) Dual Coil, Neodymium Differential Drive®, Direct Coole
Bandpass Nominal Impedance8 ohms (16 ohms each transducer, wired in parallel)
Input Power Rating1000W Continuous, 4000W Peak (AES/2 hour) 700W Continuous, 2800W Peak (100 hour)
Bandpass Sensitivity97 dB, 1W / 1m (2.83 Vrms at 3.3 ft)
Mid & High FrequencyMID: Four 2104H, 101 mm (4 in) with 25.4 mm (1 in) dia. voice coil
Mid & High Frequency:HIGH: Two 2408H, 25 mm (1 in) exit compression driver, 38 mm (1.5 in) voice coil
Bandpass Nominal Impedance8 ohms (drivers wired in series-parallel, passive network)
Input Power Rating2225W Continuous, 900W Peak (100 hour)
Bandpass Sensitivity103 dB, 1W / 1m (2.83 Vrms at 3.3 ft)
Box ConstructionWedge frustum 5 degree side angle enclosure. PlyMax® engineered wood composite structure
Suspension SystemS.A.F.E. hardware, integral hinge bars nest in rigging tubes on box ends
GrilleBlack perforated steel, foam backed
Input ConnectorsNeutrik® Speakon® NL-8 and NL-4 (2x each), Pin 3+/- forLows & Pin 4+/- for Mid-Highs
Dimensions (H x W x D)11" (281 mm) x 31" (787 mm) x 16.3" (415 mm)
Net Weight67 lbs (30.4 kg)
Shipping Weight90 lbs (40.8 kg)
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