JBL Array Series 4894-90 - Manual

4894-90
High Power Two-Way
Loudspeaker System
Array Series
Key Features:
Wide Coverage Angle Design
90° Horizontal Horn Pattern for
Non-arrayed Applications
High Technology Transducers
355 mm (14 in) Ultra-low Distortion
Neodymium Woofer with Unique
Gap Topology,
38 mm (1½ in) exit, 100 mm (4 in)
diaphragm Neodymium
Compression Driver
Secure Array Flying Ergonomics -
S.A.F.E.™
Internal Steel Braces accept
Optional Truss Module and
Hardware
Integrally Designed with JBL
Array Series Controllers
Choose Analog, or Digital
Controller for optimum system
performance
Versatile
Concert and Theater Reinforce-
ment, A/V Presentation, High
Power Installations
Array Series Systems
JBL’s commitment of providing audio
professionals the best tools for their
work continues with the Array Series.
JBL Array Series systems provide the
ultimate performance for touring and
fixed installations. The high power,
compact 4894-90 provides smooth,
predictable coverage and response
from a single box. It combines ease of,
transport with the flexibility to fly or
install quickly and safely. Integration
of advanced design high power trans-
ducers, a new generation of horns,
and advanced control electronics pro-
vides clearly superior performance.
Reliability is designed in, without
having to relay on intrusive signal
processing.
Components
Array Series builds upon a solid foun-
dation: more than 40 years of JBL
transducer expertise and engineering.
The 355 mm (14 in) low frequency
transducer represents JBL’s commit-
ment to research. New technology
includes a unique deep copper-
sleeved gap low-distortion motor
structure topology, coupled to Vented
Gap Cooling (VGC TM ) 1 to produce
1 U . S . P a t e n t # 5 , 0 4 2 , 0 7 2
Specifications:
Frequency Response (± 3 dB) 1 : 46 Hz - 18 kHz
Sensitivity: 100 dB (1 W, 1
Recommended Amplifier Power 2 :
High Frequency: 300 W at 8 ohms
Low Frequency: 600 W at 8 ohms each transducer, 1200 W total
Nominal Coverage: 90° horizontal, 40° vertical
LOW FREQUENCY TRANSDUCERS:
Nominal Diameter: 355 mm (14 in)
Nominal Impedance: Two transducers with separate pinouts
8 ohms each
Power Rating: 600 watts AES, 50 Hz to 500 Hz, 2400 W
Peak each transducer. 1200 W total
Voice Coil: 100 mm (4 in) edgewound aluminum ribbon
Features: Ultra linear, neodymium magnet motor structure
Vented Gap Cooling
HIGH FREQUENCY TRANSDUCER:
Throat Diameter: 38 mm (1½ in) exit
Nominal Impedance: 8 ohms
Power Rating: 75 watts AES, 1 kHz to 10 kHz, 300 W peak
Diaphragm: 100 mm (4 in) pure titanium
Voice Coil: 100 mm (4 in) edgewound aluminum ribbon
Features: Neodymium magnet motor structure
HIGH FREQUENCY HORN:
Type: Optimized Aperture™ Flat-Front Bi-Radial ®
Material: Die cast aluminum
Coverage: 90° horizontal, 40° vertical
ENCLOSURE:
Type: Vented, 45” included angle trapezoid
Material: 19 mm (¾ in), 13 ply hardwood
Flying System: S.A.F.E. -JBL proprietary, modular, certified
Finish: Black textured paint
Grille: 16 ga. perforated steel, foam backed
Connectors: Parallel 8 pin Neutrik -pins 1 ± LF1, pins 2 ± LF2,
pins 3 ± HF
Dimensions: 1066 x 394 x 362 mm
H x W x D (42 x 15½ x 14¼ in)
Net Weight: 47.3 kg (104 lb)
¹ Half Space measurement.
² Recommended Power Amplifier ratings are a guide for amplifier selection considering normal program material and line
voltage available to amplifiers, although lower power amplifiers may be utilized The 4894 system is capable of signifi-
cantly greater peak power input.