JBL ARC 70 Service Manual ▷ View online
Technical Manual
ARC70
ACOUSTIC & ELECTRICAL SPECIFICATIONS:
• Nominal Impedance
8 ohms
• Max Amp Power
150 watts
• Frequency Response
36 Hz - 23 kHz (±3dB)
• Sensitivity
91 dB (1 watt @ 1 meter)
• Crossover Frequency
760 Hz/3700 Hz
SYSTEM COMPONENTS:
• Cabinet
ARC70 (Not for Sale)
• Grille
308668-002
• Low Frequency Transducer 8” High Polymer Laminate
(330053-001)
DC Resistance
5.5 ohms ±10%
• Mid Frequency
5” High Polymer Laminate
Transducer
(330052-001)
DC Resistance
4.4 ohms ±10%
• High Frequency Transducer 1” (25mm) Titanium Dome
(330050-001)
DC Resistance
3.7 ohms ±10%
• Crossover Network
330142-001
AURAL SWEEP TEST SPECIFICATIONS:
• System Aural Sweep Test
6.0V Input 20 Hz to 23 kHz
• L.F. Aural Sweep Test
6.0V Input 30 Hz to 800 Hz
• M.F. Aural Sweep Test
4.0V Input 700Hz to 4 kHz
• H.F. Aural Sweep Test
2.83V Input 3 kHz to 23 kHz
PHYSICAL SPECIFICATIONS:
• Enclosure dimensions:
26 x 12
¹⁄₈ x 11⁷⁄₁₆” (H x W x D)
660 x 308 x 291mm
• Weight
31 lbs. (14kg) Each
WARRANTY:
• Refer to Warranty Statement packed with each product.
Owner's Manual
330121-001
330121-001
Warranty Card
331994-001
331994-001
OWNER'S
MANUAL
Outer Carton
330138-001
330138-001
Top/Bottom
Foam
309192-002
Foam
309192-002
Microfoam (2pcs.)
PACKAGING
WIRING DIAGRAM
7-99
JBL Consumer Products, Inc. 250 Crossways Park Dr., Woodbury, New York 11797
ARC70
Ð +
Ð +
YEL
YEL/BLK
WHITE/BLK
WHITE
GREEN/BLK
GREEN
Mid-Frequency
Driver 330052-001
Driver 330052-001
High Frequency
Driver 330050-001
Driver 330050-001
Low Frequency
Driver
330053-001
Driver
330053-001
RED
BLK
Terminal Cup
Crossover
Network
330142-001
Network
330142-001
L1
3.0 mH
L3
1.1
mH
1.1
mH
L4
0.2 mH
0.2 mH
L2
0.8
R1
3.9 ohm, 5W
R3
1.8 ohm, 5W
R4
20 ohm
5W
R2
10 ohm
5W
C2
12 mfd, 100V
C3
3.5 mfd, 100V
C4
12 mfd, 100V
C1
44 mfd
100V
+
+
+
+
205
205
205
205
205
205
110
205
H.F.
MIDRANGE
L.F.
GREEN
11" RED
11" BLK
GREEN/BLACK
WHITE
WHITE/BLACK
YELLOW
YELLOW/BLK
INPUT
ARC70 SCHEMATIC
Grille
Retainer (4)
62130
Retainer (4)
62130
Tweeter
330050-001
330050-001
Mid Range
330052-001
330052-001
Tweeter
Gasket
74664
Gasket
74664
Screw (4)
#8 x 1" PPH
62905
#8 x 1" PPH
62905
Screw (4)
#8 x
#8 x
³⁄₄ PPH
61868
Screw (4)
#6 x
#6 x
³⁄₄ PPH
63563
Grille
308668-002
308668-002
Screw (4)
#8 x 1" PPH
62905
#8 x 1" PPH
62905
Woofer
330053-001
330053-001
Woofer Gasket
311583-001
311583-001
Flower Pot
76041
76041
Terminal Cup
65418
65418
Cabinet
ARC70
(Not for sale)
ARC70
(Not for sale)
Crossover
Network
330142-001
Network
330142-001
Port Tube
Not For Sale
Not For Sale
Mid Range
Gasket
311561-001
Gasket
311561-001
ARC70
ARC70
7-99
JBL Consumer Products, Inc. 250 Crossways Park Dr., Woodbury, New York 11797
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