JBL SR4718X Manuale utente
JBL Incorporated, 8500 Balboa Boulevard, P.O. Box 2200, Northridge, California 91329 U.S.A.
JBL SR4718X REV Q
PACKAGE WIRING DIAGRAM
04-08
Technical Manual
JBL SR4718X
SPECIFICATIONS
ACOUSTIC & ELECTRICAL SPECIFICATIONS:
• Nominal Impedance: 4 ohm
• Power Capacity: 600W Continuous Pink Noise
• Frequency Range: 30 Hz – 1.1 kHz (–10 dB)
• Sensitivity: 95 dB SPL, 1 Watt @ 1 Meter
• Crossover Frequency: N/A
SYSTEM COMPONENTS:
• Cabinet: SR4718X (Not For Sale)
• Grille: 128-00415-00
• Low Frequency 460mm (18 in.) Paper Cone
Transducer: Transducer (2241GPL)
• DC Resistance: 2.5 ohm ±10% Aluminum Wire
• Crossover Network: 129-00023-00
AURAL SWEEP TEST SPECIFICATIONS:
A. System Aural Sweep Test: 7.0V Input, 20 Hz to 1.2 kHz
B. L.F. Aural Sweep Test: 10.0V Input, 20 Hz to 1.2 kHz
PHYSICAL SPECIFICATIONS:
• Enclosure Dimensions: 610mm x 635mm x 460mm D
(24.0 x 25.0 x 18.1 in. D)
• Weight: 108 lbs. (48.9 kg.)
WARRANTY INFORMATION:
• Refer to Warranty Statement packed with each product.
Warranty 59660
User’s Guide
SR-X Series
981-00052-04
Carton
SR4718X
990-00176-00
Microfoam (8)
Packaging
49790P
Filler (4)
Top & Bottom
991-00202-00
Network
129-00023-00
SCHEMATIC (129-00023-00)
Speaker, Low Freq
2241GPL (71126-
03X)
Cone Repl
C4R2241
GRN
GRN/BLK
PC BOARD
Neutrik
Connector
NL4MPR
Neutrik
Connector
NL4MPR
GRN/BLK
GRN
RED
YEL
1
41
4
C
D
1
4
IN/OUT
Housing
+2/–2
Mode +1/–1
Mode
IN/OUT
L.F.
2241G
+1
–1+
–
+2
–2
+1
–1
+2
–2
–+
JBL SR4718X
JBL SR4718X
COMPONENT EXPLODEDVIEW
Screw (5)
729-90004-24
No. 12 x 1-1/2
PNHD BLK
Screw (10)
882-51110-12
6 x 3/4
OV PH
Grille Trim (2)
382-00336-04
Screw (8)
804-01110-16
10-32 x 1
FIL PH BLK
ZINC
Gasket
60578
Gasket
359-00215-00
Bracket
888-00066-00
Plug
382-00357-00
Screw (4)
729-90002-16
No. 12 x 1
Port Tube (2)
47909-29
(Not For Sale)
Screw (8)
804-41110-16
10-32 x 1
PNHD BLK
Screw (12)
884-41110-12
No. 10 x 3/4
PNHD PH PB THD
Speaker,
Low Freq
2241GPL
(71126-03X)
Cone Repl
C4R2241
Screw (6)
882-51110-12
6 x 3/4
OV PH
Network
129-00023-00
Foot (5)
924-00012-00
T-Nut (8)
61861
No. 10-32
T-Nut (8)
61861
No. 10-32
Grille
Support (2)
389-00030-00
Grille
128-00415-00
Name Plate
950-00037-00
Cabinet
SR4718X
(Not For Sale)
Stiffner, Tube
381-00039-00
End Cap,
Stiffner Tube (2)
390-00011-01
Gasket,
Handle (2)
382-00337-00
Handle (2)
923-00022-00
NOTE: DURAFLEX REPAIR
Kit 30052
Input Terminal
362-10007-01
Tinsel Leads (2)
352828-001
Indice
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