JBL 4890A - User Manual

JBL Professional
8500 Balboa Boulevard, Northridge, CA 91329
(818) 894-8850
www.jblpro.com
CAT ARRAY 2000
2/00/15M
©2000 JBL Professional
SPECIFICATIONS
ARRAY SERIES 4890A,4891A 4892A,4892A-90 4893A 4894A,4894A-90
Frequency Response (±3 dB)
1
: 70 Hz - 18 kHz 50 Hz - 18 kHz 38 Hz - 400 Hz 46 Hz - 18 kHz
Sensitivity: 98 dB (1 W, 1m) 98 dB (1 W, 1m) 98 dB (1 W, 1m) 100 dB (1 W, 1m)
Recommended Amplifier Power
2
:
High Frequency: 300 W at 8 ohms 300 W at 8 ohms N/A 300 W at 8 ohms
Low Frequency: 600 W at 8 ohms 600 W at 8 ohms 600 W at 8 ohms each transducer, 1200 W total 600 W at 8 ohms each transducer (x2)
Nominal Coverage: 4890A: 60° horizontal, 40° vertical or 40° horizontal, 60° vertical 4892A: 45° horizontal, 35° vertical Array Dependent 4894A: 45° horizontal, 35° vertical
4891A: 60° horizontal, 40° vertical 4892A-90: 90° horizontal, 35° vertical 4894A-90: 90° horizontal, 35° vertical
LOW FREQUENCY TRANSDUCERS:
Nominal Diameter: 355 mm (14 in) 355 mm (14 in) (Two) 355 mm (14 in) (Two) 355 mm (14 in)
Nominal Impedance: 8 ohms 8 ohms Two Transducers with separate pinouts, 8 ohms each Two Transducers with separate pinouts, 8 ohms each
Power Rating: 600 W AES, 50 Hz to 500 Hz, 2400 W peak 600 W AES, 50 Hz to 500 Hz, 2400 W peak 600 W AES, each transducer 50 Hz to 500 Hz, 600 W AES, 50 Hz to 500 Hz, 2400 W peak
1200 W AES total system; 2400 W peak each 1200 W AES total system; 2400 W peak each
transducer, 4800 W peak total system transducer, 4800 W peak total system
HIGH FREQUENCY TRANSDUCER:
Throat Diameter: 38 mm (1 1/2 in) exit 38 mm (1 1/2 in) exit N/A 38 mm (1 1/2 in) exit
Nominal Impedance: 8 ohms 8 ohms N/A 8 ohms
Power Rating: 75 W AES, 1 kHz to 10 kHz, 300 W peak 75 W AES, 1 kHz to 10 kHz, 300 W peak N/A 75 W AES, 1 kHz to 10 kHz, 300 W peak
HIGH FREQUENCY HORN:
Type: Optimized Aperture Flat-Front Bi-Radial®, die cast aluminum Optimized Aperture Flat-Front Bi-Radial® N/A Optimized Aperture Flat-Front Bi-Radial®
ENCLOSURE:
Flying System: None S.A.F.E. - JBL proprietary, modular, certified S.A.F.E. - JBL proprietary, modular, certified S.A.F.E. - JBL proprietary, modular, certified
Finish: DuraFlex™ Black Textured Paint DuraFlex™ Black Textured Paint DuraFlex™ Black Textured Paint DuraFlex™ Black Textured Paint
Grille: 16 ga. perforated steel, foam backed 16 ga. perforated steel, foam backed 16 ga. perforated steel, foam backed 16 ga. perforated steel, foam backed
Dimensions H x W x D: 4890A: 376 x 686 x 376 mm (14.8 x 27 x 14.8 in) 628 x 394 x 362 mm (24 3/4 x 15 1/2 x 14 1/4 in) 1066 x 394 x 362 mm (42 x 15 1/2 x 14 1/4 in) 1066 x 394 x 362 mm (42 x 15 1/2 x 14 1/4 in)
4891A: 470 x 394 x 559 mm (18.5 x 15.5 x 22 in)
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 Array Series systems are capable of greater peak power input.
ARRAY SERIES CONTROLLERS DSC260 DSC280
Frequency Response
1
: 20 Hz - 20 kHz (<+/- 0.5 dB) 15 Hz - 20 kHz ±0.25 dB
Configuration: Mono 4, 5 and 6-way 2 Channels; 1, 2, 3, 4-way out
Inputs (Balanced): 2 Channels, +20 dBu max level 10 kOhms Analog: 2 Ch, Max level +20 dBu, Pin 2+
Electronically balanced XLR connectors Digital Option, AES/EBU
Outputs (Balanced): 6 Channels, +10 dBu into 600 Ohms max level Electronically 8 Bands, Max level 20 dBu, Pin 2+
balanced XLR connectors
Front Panel Controls: Mute for each output band, Function, Parameter, Memory Mute for each output band, Function, Parameter, Memory
Rear Panel Controls: AC voltage selection, +10 dB input switch
Display: 2 x16 character backlit LCD LEDS for; meters, mute, switch enable, LCD screen for programming functions
Dynamic Range: >100 dB >105 dB
Total Harmonic Distortion: <0.05%, 20 Hz-20 kHz, @+10 dBu <.001%, 20- 20 kHz, @ +10 dBu
Nominal Gain: -10 dB 0 dB (Unity Gain)
Limiters: User adjustable threshold User adjustable threshold
Sampling Rate: 46.875 kHz 48 kHz
Input/Output Converters: 20 bit 20 bit
Crossover Frequency: 1 kHz 1 kHz
Dimensions (H x W x D): 44.4 x 483 x 203 mm (1.75 x 19 x 8 in) 89 x 483 x 357 mm (3.5 x 19 x 14 in)
Weight: 2.8 kg (6.2 lbs) 6.8 kg (15 lbs)
1
Equalization, infrasonic filters disabled
For detailed technical and architectural specifications, contact JBL Professional.

Summary

JBL Array Series Loudspeaker Systems Overview

The Array Series Solution

A compact, flexible system combining precision engineered transducers and advanced control technology for professional audio.

Optimized System Engineering

Focuses on advanced signal processing for smooth response, phase integrity, and transparent transducer performance.

The Sum Of Its Parts

Details key components: low frequency transducers, high frequency compression drivers, and optimized Bi-Radial horns.

Advanced Control Electronics

Sophisticated electronics like DSC260 and DSC280 optimize transducer performance with advanced features.

S.A.F.E. Flying Hardware

Certified flying hardware system designed for quick, safe, and secure loudspeaker cluster assembly.

Array Series Product Models

4890 A, 4891 A Models

Two-way single 355 mm (14 in) full range systems, available in vertical or horizontal formats for stage monitoring.

4892 A, 4892 A-90 Models

Compact two-way single 355 mm (14 in) full range systems for high sound pressure levels and arraying.

4894 A, 4894 A-90 Models

Two-way dual 355 mm (14 in) full range systems for applications requiring greater low energy and high SPL.

4893 A Model

Dual 355 mm (14 in) subwoofer system designed to deliver sub-bass support for the Array Series.

Array Series Controllers

DSC260 Controller

Cost-effective digital signal controller with simple setup for 4, 5, and 6-way configurations.

DSC280 Controller

Digital signal controller offering precision, flexibility, and user convenience for various system configurations.

JBL 4890A Specifications

General

Brand	JBL
Model	4890A
Category	Speaker System
Language	English