JBL SR4725X/F Technical 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
JBL SR4725X/F
COMPONENT EXPLODED VIEW
Screw (10)
882-51110-12
6 x 3/4
OV PH
Screw (4)
882-51110-12
6 x 3/4
OV PH
Screw
883-31110-40
No.8 x 2 1/2
TR PH PD
Grille
Support (2)
389-0032-00
Screw (8)
804-01110-16
10-32 x 1
FIL PH BLK
ZINC
Gasket
68670
Gasket
73881
Screw (8)
804-41110-12
10-32 x 3/4
PAN,PH,BLK,
ZINC,LCS
Screw (12)
884-41110-12
10 x 3/4
PNHD PH PB THD
Speaker, Low Freq
2226HPL
Cone Repl
C8R2226
Screw (10)
806-11010-20
1/4-20 x 1-1/4
FLHD PH BLK
Screw (4)
884-41210-16
No.10 x 1
RD HD
Screw (6)
882-51110-12
No.6 x 3/4
OV PH
Speaker, High Freq
2426H
Diaph Repl
D8R2425
Network
129-20058-01
Network
129-20058-01
Binding Post
RED 33750
BLK 33751
Foot (4)
924-00013-00
Stand-Off
819-00000-00
T-Nut (8)
61861
No.10-32
T-Nut (8)
61861
No.10-32
T-Nut (10)
21904
1/4-20 x
9/16 BLK
Port Tube (2)
56144
(Not For Sale)
Horn
2370A
Bolt (3)
354-00000-14
1/4-20 x 7/8
HXHD ZINC
Grille
128-00416-00
Trim, Grille (2)
382-00336-05
Name Plate
950-00037-00
Cabinet
(Not For Sale)
Gasket,
Handle (2)
382-00337-00
Gasket (4)
71129-01
Handle (2)
923-00022-00
NOTE: DURAFLEX REPAIR
KIT 30052
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