JBL SR4718X User Manual

JBL Incorporated, 8500 Balboa Boulevard, P.O. Box 2200, Northridge, California 91329 U.S.A.
JBL SR4718X REV Q
PACKAGE
WIRING DIAGRAM
04-08
Technical Manual
JBL SR4718X
SPECIFICATIONS
ACOUSTIC & ELECTRICAL SPECIFICATIONS:
• Nominal Impedance: 4 ohm
• Power Capacity: 600W Continuous Pink Noise
• Frequency Range: 30 Hz – 1.1 kHz (–10 dB)
• Sensitivity: 95 dB SPL, 1 Watt @ 1 Meter
• Crossover Frequency: N/A
SYSTEM COMPONENTS:
• Cabinet: SR4718X (Not For Sale)
• Grille: 128-00415-00
• Low Frequency 460mm (18 in.) Paper Cone
Transducer: Transducer (2241GPL)
• DC Resistance: 2.5 ohm ±10% Aluminum Wire
• Crossover Network: 129-00023-00
AURAL SWEEP TEST SPECIFICATIONS:
A. System Aural Sweep Test: 7.0V Input, 20 Hz to 1.2 kHz
B. L.F. Aural Sweep Test: 10.0V Input, 20 Hz to 1.2 kHz
PHYSICAL SPECIFICATIONS:
• Enclosure Dimensions: 610mm x 635mm x 460mm D
(24.0 x 25.0 x 18.1 in. D)
• Weight: 108 lbs. (48.9 kg.)
WARRANTY INFORMATION:
• Refer to Warranty Statement packed with each product.
Warranty 59660
User’s Guide
SR-X Series
981-00052-04
Carton
SR4718X
990-00176-00
Microfoam (8)
Packaging
49790P
Filler (4)
Top & Bottom
991-00202-00
Network
129-00023-00
SCHEMATIC (129-00023-00)
Speaker, Low Freq
2241GPL (71126-
03X)
Cone Repl
C4R2241
GRN
GRN/BLK
PC BOARD
Neutrik
Connector
NL4MPR
Neutrik
Connector
NL4MPR
GRN/BLK
GRN
RED
YEL
1
4
1
4
C
D
1
4
IN/OUT
Housing
+2/–2
Mode
+1/–1
Mode
IN/OUT
L.F.
2241G
+1
–1
+
–
+
2
–2
+1
–1
+2
–2
–+

JBL SR4718X Specifications

General

Impedance	8 Ohms
Driver Size	18 inches
Type	Subwoofer
Peak Power Capacity	2400 W
Sensitivity	98dB
LF Driver	18 inch
Enclosure Material	Plywood
Input Connectors	Neutrik NL4
Output Connectors	Speakon

Summary

Specifications

Acoustic & Electrical Specifications

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

Aural Sweep Test Specifications

Specifies input voltage and frequency range for aural sweep tests of the system.

Physical Specifications

Details on enclosure dimensions and the overall weight of the speaker system.

Warranty Information

Refers users to the warranty statement included with the product for details.

Package Contents

Included Accessories

Lists components like warranty card, user guide, filler, and microfoam packaging.

Wiring Diagram and Schematic

Speaker Wiring Schematic

Illustrates the internal wiring connections for the speaker, network, and connectors.

Component Exploded View

Part Identification

Detailed breakdown of speaker components with part numbers and descriptions.