JBL SR4719X Manuale utente
JBL Incorporated, 8500 Balboa Boulevard, P.O. Box 2200, Northridge, California 91329 U.S.A.
JBL SR4719X REV N
PACKAGE WIRING DIAGRAM
01-09
Technical Manual
JBL SR4719X
SPECIFICATIONS
ACOUSTIC & ELECTRICAL SPECIFICATIONS:
• Nominal Impedance: 4 ohm
• Power Capacity: 1200W Continuous Pink Noise
• Frequency Range: 25 Hz – 1.1 kHz (–10 dB)
• Sensitivity: 99 dB SPL, 1 Watt @ 1 Meter
• Crossover Frequency: 1.2 kHz
SYSTEM COMPONENTS:
• Cabinet: SR4719X (Not For Sale)
• Grille: 128-00394-00
• Low Frequency 460mm (18 in.) Paper Cone
Transducer: Transducer (2241HPL)(2)
• DC Resistance: 5.0 ohm ±10% Aluminum Wire
• Crossover Network: 129-10042-00
AURAL SWEEP TEST SPECIFICATIONS:
A. System Aural Sweep Test: 7.0V Input, 20 Hz to 2 kHz
B. L.F. Aural Sweep Test: 11.5V Input, 20 Hz to 1.2 kHz
PHYSICAL SPECIFICATIONS:
• Enclosure Dimensions: 1240mm x 782mm x 630mm D
(48.75 x 30.75 x 24.75 in. D)
• Weight: 195 lbs. (88.4 kg.)
WARRANTY INFORMATION:
• Refer to Warranty Statement packed with each product.
Warranty 59660
User’s Guide
SR-X Series
981-00052-04
Carton
SR4719X
990-00175-01
Microfoam (8)
Packaging
49790P
Filler, (4)
Top & Bottom
991-00185-00
Network
129-10042-00
SCHEMATIC (129-10042-00)
Speaker, Low Freq
2241HPL (2)
Cone Repl
C8R2241
GRN
WHT
GRN/BLK
WHT/BLK
PC BOARD
+1 / –1
Mode
+2 / –2
Mode
Header
Housing
BLK
YEL
BLUE
BLK
Neutrik
Connector
NL4MPR
Neutrik
Connector
NL4MPR
GRN/BLK
GRN
WHT/BLK
WHT
IN/OUT
IN/OUT
L.F.
2241HPL
L.F.
2241HPL
1
2
1
2
1
2
1
2
1
2
1
2
A
B
C
D
+1+
–1–
+
–
+2
–2
+1
–1
+2
–2
–+ –+
LF1 + (BLACK TERMINAL
LF1 - (RED TERMINAL)
LF2 + (BLACK TERMINAL)
LF2 - (RED TERMINAL)
JBL SR4719X
JBL SR4719X
COMPONENT EXPLODEDVIEW
Screw (4)
64586
No. 10 x 1
RD HD
Screw (10)
882-51110-12
6 x 3/4
OV PH
Grille Trim (4)
382-00336-07
Screw (16)
804-01110-16
10-32 x 1
FIL, PH, BLK,
ZINC
Gasket
60578
Screw (16)
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
2241HPL (2)
Cone Repl
C8R2241
Screw (6)
882-51110-12
6 x 3/4
OV PH
Network
129-10042-00
Foot (4)
924-00012-00
T-Nut (16)
61861
No. 10-32
T-Nut (16)
61861
No. 10-32
Grille
Support (4)
389-00030-00
Grille
128-00394-00
Name Plate
950-00037-00
Cabinet
SR4719X
(Not For Sale)
Gasket,
Handle (4)
382-00337-00
Handle (4)
923-00022-00
NOTE: DURAFLEX REPAIR
KIT 30052
Input Terminals
362-10007-01 Tinsel Leads (2)
352828-001
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