JBL SR4731X - User Manual

JBL Incorporated, 8500 Balboa Boulevard, P.O. Box 2200, Northridge, California 91329 U.S.A.
JBL SR4731X REV O
PACKAGE
WIRING DIAGRAM
06-11
Technical Manual
JBL SR4731X
SPECIFICATIONS
ACOUSTIC & ELECTRICAL SPECIFICATIONS:
• Nominal Impedance: 4 ohms
• Power Capacity: 1200W Continuous Pink Noise
• Frequency Range: 40 Hz – 18 kHz (–10dB)
• Sensitivity: 98 dB SPL, 1 Watt @ 1 Meter
• Crossover Frequency: 1.2 kHz
SYSTEM COMPONENTS:
• Cabinet: SR4731X (Not For Sale)
• Grille: 128-00396-00
• Low Frequency 305mm (12 in.) Paper Cone
Transducer: Transducer (2206H) (2)
• DC Resistance: 5.3 ohm ±10% Copper Wire
• High Frequency 50.8mm (2 in.Exit) Pure Titanium
Transducer: Compression Driver (2447J)
• DC Resistance: 8.0 ohm ±8% Aluminum Wire
SYSTEM COMPONENTS: (Cont’d)
• Crossover Network: 129-20057-00
AURAL SWEEP TEST SPECIFICATIONS:
A. System Aural Sweep Test: 7.0V Input, 20 Hz to 20 kHz
B. L.F. Aural Sweep Test: 15.0V Input, 20 Hz to 1.2 kHz
C. H.F. Aural Sweep Test: 2.0V Input, 550 kHz to 20 kHz
PHYSICAL SPECIFICATIONS:
• Enclosure Dimensions: 1092mm x 635mm x 460mm D
(43.0 x 25.0 x 18.0 in. D)
• Shipping Weight: 136 lbs. (61.6 kg.)
WARRANTY INFORMATION:
• Refer to Warranty Statement packed with each product.
Warranty 59660
User’s Guide
SR-X Series
981-00052-04
Carton
SR4731X
990-00178-00
Microfoam (8)
Packaging
49790P
Filler, (2)
Top & Bottom
991-00179-02
Network Assy
129-20057-00
SCHEMATIC (129-20057-00)
Speaker,
High Freq
2447J
Diaph Repl
D16R2450
Speaker,
Low Freq
2206H (2)
Cone Repl
C8R2206
GRN
WHT
YEL
GRN/BLK
WHT/BLK
YEL/BLK
FULL RANGE
BI AMP
FEMALE
CONNECTION
SP CROSSOVER PC BOARD
SPXXX T/C PC BOARD
L1
1.06mH
R5
15.0
15W
RED
RED
WHT
GRN
BLK
BLK
BLU
BLU
YEL/BLK
GRN/BLK
YEL
YEL
C4
8µF
C5
6µF
C1
48µF
C3
3µF
L2
1.18mH
+
–
– +
– +
YEL
+
YEL/BLK –
GRN/BLK –
WHT/BLK +
GRN +
WHT +
L.F.
2206H
H.F.
2447J
1
2
–2
+
2
3
4
1
+
1
2
3
4
1
2
3
4
–
1

JBL SR4731X Specifications

General

Impedance	8 ohms
Coverage Pattern	90° x 50°
Sensitivity	99 dB (1W/1m)
LF Driver	1 x 15"
HF Driver	1.5-inch (38mm) titanium diaphragm compression driver
Enclosure Material	Birch Plywood

Summary

JBL SR4731 X SPECIFICATIONS

ACOUSTIC & ELECTRICAL SPECIFICATIONS

Details impedance, power capacity, frequency range, sensitivity, and crossover frequency.

SYSTEM COMPONENTS

Lists cabinet, transducers, and crossover network details.

AURAL SWEEP TEST SPECIFICATIONS

Provides voltage input specifications for aural sweep tests.

PHYSICAL SPECIFICATIONS

Details enclosure dimensions and shipping weight.

WARRANTY INFORMATION

Refers to the warranty statement packed with the product.

PACKAGE

Shows packaging contents and associated part numbers.

WIRING DIAGRAM

Illustrates internal electrical connections and component layout.

COMPONENT EXPLODED VIEW

DETAIL A

Provides a closer look at specific connection points or components.