JBL G40 Service Manual
Technical Manual
G40
SPECIFICATIONS
ACOUSTIC & ELECTRICAL SPECIFICATIONS:
• Nominal Impedance: 8 ohm
• Max Amp Power: 50W
• Frequency Response: 75 Hz – 20 kHz (-6dB)
• Sensitivity: 86 dB SPL, 1 Watt @ 1 Meter
• Crossover Frequency: 2.2 kHz
SYSTEM COMPONENTS:
• Cabinet: (Not For Sale)
• Grille: N/A
• Low Frequency 5 in. (130mm)
Transducer: 10-601-S
DC Resistance: 3.9 ohm ±5%
• High Frequency 2 in. (51mm) Paper Cone
Transducer: 72273
DC Resistance: 6.4 ohm ±10%
PACKAGE
Warranty Card 73885
Owner’s Manual
Under Pad
P/N G40 MANUAL
End Pad (8)
17-303
SYSTEM COMPONENTS: (cont’d)
• Crossover Network: (E-931232-1)
AURAL SWEEP TEST SPECIFICATIONS:
A. System Aural Sweep Test: 6.0V Input, 20 Hz to 20 kHz
B. L.F. Aural Sweep Test: 6.0V Input, 20 Hz to 4 kHz
C. H.F. Aural Sweep Test: 3.0V Input, 4 kHz to 20 kHz
PHYSICAL SPECIFICATIONS:
• Enclosure Dimensions: 10.75 x 6.5 x 7.25 in. D
(273mm x 165mm x 184mm D)
SHIPPING WEIGHT: 16 lbs. (7.2 kg.) Pair
WARRANTY INFORMATION:
• Refer to the Warranty Statement packed with each product.
WIRING DIAGRAM
Driver,
High Freq
72273
WHT
BLU
Network/
Terminal Cup
G40
(E-931232-1)
Divider
Poly Bag (2)
Carton
P/N
G40 CARTON
JBL Consumer Products Inc., 250 Crossways Park Dr., Woodbury, New York 11797
Driver,
Low Freq
10-601-S
BLK
800 mH
INPUT
5µF/
50V
NOTE: CONE/DIAPHRAGM KIT NOT AVAILABLE. DEFECTIVE SPEAKER
SHOULD BE REPLACED.
RED
SCHEMATIC G40
1R8
5W
RED
L.F.
BLK
BLU
H.F.
WHT
G40
4-98 REV A
COMPONENT EXPLODED VIEW
Driver,
High Freq
72273
Cabinet
G40
(Not For Sale)
Screw (4)
No.6 x 1/2
PNHD PH ZINC
G40
Port Tube
H-931200623
(Not For Sale)
G40
Logo
(Not For Sale)
Screw (6)
No.8 x 3/4
PNHD PH ZINC
Screw (4)
No.8 x 3/4
PNHD PH ZINC
Driver,
Low Freq
10-601-S
Network
G40
(E-931232-1)
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