JBL SR4725X/F User Manual

JBL Incorporated, 8500 Balboa Boulevard, P.O. Box 2200, Northridge, California 91329 U.S.A.
JBL SR4725X/F REV F
PACKAGE
WIRING DIAGRAM
01-08
Technical Manual
JBL SR4725X/F
SPECIFICATIONS
ACOUSTIC & ELECTRICAL SPECIFICATIONS:
• Nominal Impedance: 8 ohms
• Power Capacity: 600W Continuous Pink Noise
• Frequency Range: 35 Hz – 18 kHz (–10dB)
• Sensitivity: 98 dB SPL, 1 Watt @ 1 Meter
• Crossover Frequency: 1.1 kHz
SYSTEM COMPONENTS:
• Cabinet: SR4725X (Not For Sale)
• Grille: 128-00416-00
• Low Frequency 380mm (15 in.) Paper Cone
Transducer: Transducer (2226HPL)
• DC Resistance: 5.0 ohm ±10% Aluminum Wire
• High Frequency 25mm (1 in.Exit) Pure Titanium
Transducer: Compression Driver (2426H)
• DC Resistance: 3.2 ohm ±8% Aluminum Wire
SYSTEM COMPONENTS: (Cont’d)
• Crossover Network: 129-20058-01
AURAL SWEEP TEST SPECIFICATIONS:
A. System Aural Sweep Test: 7.0V Input, 20 Hz to 20 kHz
B. L.F. Aural Sweep Test: 14.5V 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: 717.6mm x 616mm x 435mm D
(28.3 x 24.3 x 17.1 in. D)
• Shipping Weight: 95 lbs. (43.1kg.)
WARRANTY INFORMATION:
• Refer to Warranty Statement packed with each product.
Warranty 59660
User’s Guide
SR-X Series
981-00052-04
Carton
SR4725X
990-00189-00
Microfoam (8)
Packaging
49790P
Filler, (2)
Top & Bottom
991-00179-02
Network
129-20058-01
SCHEMATIC (129-20058-01)
Speaker, HighFreq
2426H
Diaph Repl
D8R2425
Speaker, Low Freq
2226HPL
Cone Repl
C8R2226
GRN
YEL
GRN/BLK
YEL/BLK
FULL RANGE
BI AMP
FEMALE
CONNECTION
SP CROSSOVER PC BOARD
SPXXX T/C PC BOARD
L1
1.63mH
R1
12.5
15W
RED
RED
WHT
GRN
BLK
BLK
BLU
BLU
YEL/BLK
GRN/BLK
YEL
YEL
C3
8µF
C4
4µF
C1
33µF
C2
3µF
L2
0.9mH
+
–
+
–
YEL +
YEL/BLK –
GRN/BLK –
GRN +
L.F.
2226HPL
H.F.
2426H
1
2
–
2
+2
3
4
1
+
1
2
3
4
1
2
3
4
–
1

JBL SR4725X/F Specifications

General

Power Handling (Peak)	1200 W
Nominal Impedance	8 Ohms
Crossover Frequency	1.2 kHz
Coverage Pattern	90° x 50°
Enclosure Material	Plywood
Frequency Response	45 Hz - 20 kHz
Power Handling (RMS)	300 W
Power Capacity	800 W
Power Handling (Continuous)	300 W
Sensitivity	99 dB
LF Driver	15" (380 mm) Woofer
High Frequency Driver	1.5-inch (38 mm) throat, 3-inch (76 mm) voice coil
Low Frequency Driver	15" (380 mm) Woofer
Input Connectors	Neutrik NL4MP
Type	2-way, full-range
Dimensions	28.5 x 17.5 x 15.5 inches (724 x 445 x 394 mm)
Dimensions (H x W x D)	28.5 x 17.5 x 15.5 inches (724 x 445 x 394 mm)

Summary

SPECIFICATIONS

Acoustic and Electrical Specifications

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

System Components and Related Specifications

Lists crossover network, sweep test specs, physical dimensions, and warranty information.

PACKAGE CONTENTS

Component Parts List

Lists parts included in the speaker package such as warranty guides, fillers, and foam.

WIRING DIAGRAM

Speaker and Network Connections

Illustrates the wiring between speaker components (high/low frequency) and the crossover network.

COMPONENT EXPLODED VIEW

Speaker and Network Assembly Details

Provides an exploded view showing all parts of the speaker, including transducers, horn, cabinet, and network.

SAFETY INFORMATION

Rigging and Suspension Safety

Warns about safe suspension practices, inspecting components, and using load-rated hardware.