JBL SR4731X Technical Manual

Technical Manual
JBL SR4731X

SPECIFICATIONS

ACOUSTIC & ELECTRICAL SPECIFICATIONS:
• Nominal Impedance:
• Power Capacity:
• Frequency Range:
• Sensitivity:
• Crossover Frequency:
SYSTEM COMPONENTS:
• Cabinet:
• Grille:
• Low Frequency
Transducer:
• DC Resistance:
• High Frequency
Transducer:
• DC Resistance:
PACKAGE
Carton
SR4731X
990-00178-00
JBL Incorporated, 8500 Balboa Boulevard, P.O. Box 2200, Northridge, California 91329 U.S.A.
4 ohms
1200W Continuous Pink Noise
40 Hz – 18 kHz (–10dB)
98 dB SPL, 1 Watt @ 1 Meter
1.2 kHz
SR4731X (Not For Sale)
128-00396-00
305mm (12 in.) Paper Cone
Transducer (2206H) (2)
5.3 ohm ±10% Copper Wire
50.8mm (2 in.Exit) Pure Titanium
Compression Driver (2447J)
8.0 ohm ±8% Aluminum Wire

WIRING DIAGRAM

Warranty 59660
User's Guide
SR-X Series
981-00052-04
Speaker,
Filler, (2)
Low Freq
Top & Bottom
2206H (2)
991-00179-02
Cone Repl
C8R2206
Microfoam (8)
Packaging
49790P
1
2
3
4
RED
BLK
BLU
–
2
YEL
+
2
+
1 YEL/BLK
YEL
–
1
GRN/BLK
BLU
1
RED
2
WHT
3
GRN
4
BLK
SPXXX T/C PC BOARD
SYSTEM COMPONENTS:
• Crossover Network:
AURAL SWEEP TEST SPECIFICATIONS:
A. System Aural Sweep Test:
B. L.F. Aural Sweep Test:
C. H.F. Aural Sweep Test:
PHYSICAL SPECIFICATIONS:
• Enclosure Dimensions:
• Shipping Weight:
WARRANTY INFORMATION:
• Refer to Warranty Statement packed with each product.
Speaker,
High Freq
2447J
+
–
Diaph Repl
D16R2450
YEL
YEL/BLK
– +
GRN/BLK
WHT
WHT/BLK
SCHEMATIC (129-20057-00)
1
2
L1
3
1.06mH
4
C3
3µF
SP CROSSOVER PC BOARD
(Cont'd)
129-20057-00
7.0V Input, 20 Hz to 20 kHz
15.0V Input, 20 Hz to 1.2 kHz
2.0V Input, 550 kHz to 20 kHz
1092mm x 635mm x 460mm D
(43.0 x 25.0 x 18.0 in. D)
136 lbs. (61.6 kg.)
Network Assy
129-20057-00
– +
GRN
YEL/BLK
+
YEL
GRN/BLK
WHT/BLK
C1
48µF
GRN
WHT
C5
C4
6µF
8µF
R5
L2
15.0
1.18mH
15W
–
H.F.
2447J
–
+
L.F.
2206H
+
+
06-11