Technical Manual
JBL SR4702X
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
SR4702X
990-00174-00
JBL Incorporated, 8500 Balboa Boulevard, P.O. Box 2200, Northridge, California 91329 U.S.A.
8 ohms
600W Continuous Pink Noise
42 Hz – 20 kHz (–10dB)
95 dB SPL, 1 Watt @ 1 Meter
1.2 kHz
SR4702X (Not For Sale)
128-00397-00
305mm (12 in.) Paper Cone
Transducer (2206HPL)
5.3 ohm ±10% Aluminum Wire
25mm (1 in.Exit) Pure Titanium
Compression Driver (2425HS)
3.2 ohm ±8% Aluminum Wire
WIRING DIAGRAM
Warranty 59660
User's Guide
SR-X Series
Speaker, High Freq
2425HS
981-00052-04
(66923X)
Diaph Repl
D8R2425
Filler, (2)
Top & Bottom
Speaker, Low Freq
991-00181-00
2206HPL
Cone Repl
C8R2206
Microfoam
Packaging(4)
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.
+
–
YEL
YEL/BLK
–
+
GRN
GRN/BLK
SCHEMATIC (129-20056-00)
1
2
L1
3
1.2mH
4
C3
2.2µF
SP CROSSOVER PC BOARD
(Cont'd)
129-20056-00
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
586mm x 387mm x 403mm D
(23.1 x 15.2 x 15.9 in. D)
64.8 lbs. (29.3 kg.)
Network
129-20056-00
YEL/BLK
YEL
GRN/BLK
C2
C1
20µF
24µF
R4
R1
R2
R3
3 0
3 0
3 0
3 0
20W
20W
20W
20W
GRN
C4B
14µF
C5
C4A
12µF
15µF
R5
L2
7.50
40mH
15W
–
H.F.
2425H
+
–
L.F.
2206HPL
+
01-08