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
