JBL JRX125 User Manual

JBL Incorporated, 8500 Balboa Boulevard, P.O. Box 2200, Northridge, California 91329 U.S.A.
JRX125
REV A
PACKAGE
WIRING DIAGRAM
01-04
Technical Manual
JBL JRX125
SPECIFICATIONS
ACOUSTIC & ELECTRICAL SPECIFICATIONS:
• Nominal Impediance: 4 ohm
• Power Capacity: 500W, Peak Power Capacity 2000W
• Frequency Range: 35 Hz – 16 kHz (–10 dB)
• Sensitivity: 100 dB, 1 Watt @ 1 Meter
• Crossover Frequency: 2 kHz
SYSTEM COMPONENTS:
• Cabinet: Enclosure JRX125 ( Not For Sale)
• Grille: JRX125 352934-001
• Low Frequency 380mm (15in.) M115-8A (2) Cone
Transducer: Transducer (124-67001-01X)
• DC Resistance: 5.3 ohms
• High Frequency 25.4mm (1 in.) Exit Compression
Transsducer: Driver 2412H-1 (339013-001X)
SYSTEM COMPONENTS: (cont’d)
• DC Resistance: 4.3 ohms
• Crossover Network: 352929-001
AURAL SWEEP TEST SPECIFICATIONS:
A. System Aural Sweep Test: 10.0V Input, 20 Hz to 20 kHz
B. L.F. Aural Sweep Test: 7.0V Input, 20 Hz to 1.2 kHz
C. H.F. Aural Sweep Test: 2.83V Input, 500 Hz to 20 kHz
PHYSICAL SPECIFICATIONS:
• Enclosure Dimensions: 1092.2mm x 463.6mm x 431.8mm D
(43.0 x 18.25 x 17.0 in.D.)
• Shipping Weight: 103.0 lbs. (46.7 kg.)
WARRANTY INFORMATION:
• Refer to Warranty Statement packed with each product.
Warranty 59660
Specification Sheet
352931-001
Filler, (2)
339021-001
Microfoam (4)
49790P
Carton
352930-001
YEL
GRN
WHT
WHT/BLK
YEL/BLK
GRN/BLK
YEL
GRN
WHT
RED
BLK
RED
BLK
YEL/BLK
GRN/BLK
WHT/BLK
Network
352929-001
Woofer (2)
M115-8A
(124-67001-01X)
Driver, High Freq
2412H-1
(339013-001X)
Schematic JRX125 (352929-001)
L2
1.8mH
L3
0.16mH
Sk-3
Phone Jack
NL4 MP-1 Conn
LP1
J1
250
250
110
205
205
205
+1
–
1
LP2
L1
4.8mH
C2
12µF
C1
16µF
C3
4.0µF
R1
16 ,
10W
Lower
Woofer
Top
Woofer
M115-8A
(2)
H. F.
2412H-1

JBL JRX125 Specifications

General

Nominal Impedance	4 ohms
Crossover Frequency	2.2 kHz
Maximum SPL	133 dB
Nominal Dispersion	90° x 50°
Power Capacity	500 W continuous, 1000 W program, 2000 W peak
Sensitivity	100 dB SPL
Dimensions	464 mm x 432 mm
Weight	42.6 kg (94 lb)
High Frequency Driver	1 x 1" (25mm) neodymium compression driver
Low Frequency Driver	Two JBL M115-8A 380 mm (15 in) woofers
Input Connectors	Dual NL4 connectors
Type	Dual 15" two-way speaker

Summary

SPECIFICATIONS

ACOUSTIC & ELECTRICAL SPECIFICATIONS

Key electrical and acoustic performance metrics for the speaker system.

SYSTEM COMPONENTS

Details of the individual components that make up the speaker system.

AURAL SWEEP TEST SPECIFICATIONS

Test specifications for evaluating audio performance across frequency ranges.

PHYSICAL SPECIFICATIONS

Physical dimensions and shipping weight of the speaker enclosure.

WARRANTY INFORMATION

Information regarding the product's warranty statement.

PACKAGE

WIRING DIAGRAM

WIRING DIAGRAM

Schematic showing internal wiring connections for speaker components.

COMPONENT EXPLODED VIEW

HORN

Part number and description for the speaker horn component.

GRILLE

Part number and description for the speaker grille.

POP STICKER

Part number and description for the speaker pop sticker.

NAMEPLATE

Part number and description for the speaker nameplate.

FOOT

Part number and description for the speaker feet.

HANDLE

Part number and description for the speaker handles.

WOOFER

Part number and description for the speaker woofers.

DRIVER, HIGH FREQ

Part number and description for the high frequency driver.

NETWORK

Part number and description for the speaker network.

SCREWS AND HARDWARE

Details on various screws and hardware used in assembly.