JBL JBL 900 Service Manual ▷ View online
Technical Manual
JBL900
ACOUSTIC & ELECTRICAL SPECIFICATIONS:
• Nominal Impedance
8 ohms
• Max Amp Power
100 watts
• Frequency Response
55Hz - 20kHz
• Sensitivity
88 dB (1 watt @ 1 meter)
• Crossover Frequency
3500 Hz
SYSTEM COMPONENTS:
• Cabinet
JBL900 (Not for Sale)
• Grille
JBL900 (Not for Sale)
• Low Frequency
6 1/2” Shielded Woofer
Transducer
(44907)
DC Resistance
7.0 ohms ±10%
• High Frequency
1/2” (12mm) Polycarbonate
Transducer
Dome Shielded (D011N01J1970)
DC Resistance
7.2 ohms ±10%
SYSTEM COMPONENTS (Continued):
• Crossover Network
234776
AURAL SWEEP TEST SPECIFICATIONS:
• System Aural Sweep Test
6.0V Input 55 Hz to 20 kHz
• L.F. Aural Sweep Test
5.0V Input 55 Hz to 4 kHz
• H.F. Aural Sweep Test
3.0V Input 3 kHz to 20 kHz
PHYSICAL SPECIFICATIONS:
• Enclosure dimensions:
32 x 9 x 8” (H x W x D)
813 x 229 x 203mm
• Weight
35 lbs. (15.8kg) Sold in Pairs
WARRANTY:
• Refer to Warranty Statement packed with each product.
Owner's Manual
234794
Warranty Card
73885
234794
Warranty Card
73885
OWNER'S
MANUAL
Foam Corners (8)
(Not for Sale)
(Not for Sale)
Outer Carton
234777
234777
Plastic Bag
(Not for Sale)
(Not for Sale)
Center Pad
234778
234778
PACKAGING
WIRING DIAGRAM
5-99
JBL Consumer Products, Inc. 250 Crossways Park Dr., Woodbury, New York 11797
JBL900
Ð +
Ð +
Driver High
Frequency
D011N01J1970
Frequency
D011N01J1970
Driver Low
Frequency
44907
Frequency
44907
Network
234776
234776
GREEN
GREEN/BLACK
WHITE
WHITE/BLACK
JBL900 SCHEMATIC
L.F.
INPUT
H.F.
205
+
+
205
+
110
110
6.8 mfd
100V
3.3 mfd
100V
1mH
.39mH
3.9
WHITE
WHITE/BLACK
GREEN/BLACK
GREEN
Port Tube
(Not For Sale)
234776
Network
D011N01J1970
Tweeter
44907
Woofer
50544
Screws (3)
#8x1/2"
59666
Screws (4)
#8x5/8"
Grille
JBL900
(Not For Sale)
Cabinet
JBL900
JBL900
(Not For Sale)
Rear Baffle
(Not For Sale)
903101-016
Screws (12)
Screws (12)
REAR VIEW
To access drivers or crossover network, rear baffle (12 screws) must be removed
The front grille is not removable
To access drivers or crossover network, rear baffle (12 screws) must be removed
The front grille is not removable
COMPONENT EXPLODED VIEW
JBL900
JBL900
5-99
JBL Consumer Products, Inc. 250 Crossways Park Dr., Woodbury, New York 11797
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