JBL SR4731X Technical Manual
JBL Incorporated, 8500 Balboa Boulevard, P.O.Box 2200, Northridge, California 91329 U.S.A.
JBL SR4731X REV O
PACKAGE
WIRING DIAGRAM
06-11
Technical Manual
JBL SR4731X
SPECIFICATIONS
ACOUSTIC & ELECTRICAL SPECIFICATIONS:
• Nominal Impedance: 4 ohms
• Power Capacity: 1200W Continuous Pink Noise
• Frequency Range: 40 Hz – 18 kHz (–10dB)
• Sensitivity: 98 dB SPL, 1 Watt @1 Meter
• Crossover Frequency: 1.2 kHz
SYSTEM COMPONENTS:
• Cabinet: SR4731X (Not For Sale)
• Grille: 128-00396-00
• Low Frequency 305mm (12 in.) Paper Cone
Transducer: Transducer (2206H) (2)
• DC Resistance: 5.3 ohm ±10% Copper Wire
• High Frequency 50.8mm (2 in.Exit) Pure Titanium
Transducer: Compression Driver (2447J)
• DC Resistance: 8.0 ohm ±8% Aluminum Wire
SYSTEM COMPONENTS:
(Cont’d)
• Crossover Network: 129-20057-00
AURAL SWEEP TEST SPECIFICATIONS:
A. System Aural Sweep Test: 7.0V Input, 20 Hz to 20 kHz
B. L.F. Aural Sweep Test: 15.0V 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: 1092mm x 635mm x 460mm D
(43.0 x 25.0 x 18.0 in. D)
• Shipping Weight: 136 lbs. (61.6 kg.)
WARRANTY INFORMATION:
• Refer to Warranty Statement packed with each product.
Warranty 59660
User’s Guide
SR-X Series
981-00052-04
Carton
SR4731X
990-00178-00
Microfoam (8)
Packaging
49790P
Filler, (2)
Top & Bottom
991-00179-02
Network Assy
129-20057-00
SCHEMATIC (129-20057-00)
Speaker,
High Freq
2447J
Diaph Repl
D16R2450
Speaker,
Low Freq
2206H (2)
Cone Repl
C8R2206
GRN
WHT
YEL
GRN/BLK
WHT/BLK
YEL/BLK
FULL RANGE
BI AMP
FEMALE
CONNECTION
SP CROSSOVER PC BOARD
SPXXX T/C PC BOARD
L1
1.06mH
R5
15.0
15W
RED
RED
WHT
GRN
BLK
BLK
BLU
BLU
YEL/BLK
GRN/BLK
YEL
YEL
C4
8µF
C5
6µF
C1
48µF
C3
3µF
L2
1.18mH
+
–
– +
– +
YEL
+
YEL/BLK –
GRN/BLK –
WHT/BLK +
GRN +
WHT +
L.F.
2206H
H.F.
2447J
1
2
–2
+
2
3
4
1
+
1
2
3
4
1
2
3
4
–
1
JBL SR4731X
JBL SR4731X
COMPONENT EXPLODED VIEW
Screw (10)
882-51110-12
6 x 3/4
OV PH
Screw (6)
61867
No.6 x 3/4
OVHD PH
Screw (2)
883-31110-40
No.8 x 2-1/2
TR HD PH PB
Grille
Support (2)
389-00032-00
Screw (8)
804-01110-16
10-32 x 1
FIL,PH, BLK,
ZINC
Gasket
75710
See
Detail A
Screw (8)
804-41110-12
10-32 x 3/4
PAN,PH,BLK
ZINC,LCS
Screw (12)
884-41110-12
No.10 x 3/4
PNHD PH PB THD
Speaker,
Low Freq
2206H (2)
Cone Repl
C8R2206
Screw (10)
806-31010-16
1/4-20 x 1-1/4
THRUSS PH BLK
ZINC
Screw (4)
844-41210-16
10 x 1
PAN, PH, BLK
Screw (6)
882-51110-12
6 x 3/4
OV PH
Speaker,
High Freq
2447J
Diaph Repl
D16R2450
Network
129-20057-00
Network
129-20057-00
DETAIL A
Binding Post
RED 33750
BLK 33751
Stud (4)
75815
1/4-20
Foot (4)
353445-001
Stand-Off (2)
819-00000-00
T-Nut (8)
61861
No.10-32
T-Nut (8)
61861
No.10-32
T-Nut (10)
834-44011-00
1/4-20 BLK
Port Tube (2)
51644
(Not For Sale)
Horn
2381
126-00000-00
Hardware
Kit
76149
Grille
128-00396-00
Grille T rim (2)
382-00336-02
Name Plate
950-00037-00
Cabinet
SR4731X
(Not For Sale)
Gasket,
Handle (2)
382-00337-00
Gasket (2)
63284
Handle (2)
923-00022-00
NOTE: BLACK DURAFLEX
REPAIR KIT 30052
Washer (4)
845-00110-08
5/16 Flat
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