JBL JBL4638 Technical Manual

Technical Manual
JBL4638
SPECIFICATIONS
ACOUSTIC & ELECTRICAL SPECIFICATIONS:
• Nominal Impedance:
• Power Capacity:
• Frequency Response:
• Sensitivity:
• Crossover Frequencies:
SYSTEM COMPONENTS:
• Cabinet:
• Grille:
• Low Frequency
Transducer:
PACKAGE
Carton
990-00104-00
JBL Incorporated, 8500 Balboa Boulevard, P.O. Box 2200, Northridge, California 91329 U.S.A.
4 ohms
800W AES
45 Hz (–3 dB)
100 dB, 1 Watt @ 1 Meter
High-Pass 40 Hz,
12-dB/Octave Min.
Low-Pass 500 or 800 Hz,
12 to 24 dB/Octave
C4508A (Not For Sale)
N/A
380mm (15 in.) Cone
Transducer (2035HPL) (2)
Warranty 59660
Specification Sheet
Under Pad
End Pad (4)
69668
Packaging (8)
49790P
SYSTEM COMPONENTS:
DC Resistance:
• Terminal Pad:
AURAL SWEEP TEST SPECIFICATIONS:
A. System Aural Sweep Test:
B. L.F. Aural Sweep Test:
PHYSICAL SPECIFICATIONS:
• Enclosure Dimensions:
SHIPPING WEIGHT:
WARRANTY INFORMATION:
• Refer to Warranty Statement packed with each product.
WIRING DIAGRAM
Driver, Low Freq
2035HPL (2)
(73890X)
Cone Repl
C8R2035
RED
BLK
SCHEMATIC 4638
RED
INPUT
BLK
NOTE:
(cont'd)
3.9 ohm ± 10% Aluminum Wire
60689-02
7.0V Input, 20 Hz to 20 kHz
7.0V Input, 20 Hz to 600Hz
991mm x 648mm x 451mm D
(39.0 x 25.5 x 17.75 in. D)
147 lbs. (66.7 kg.)
Terminal
Pad
60689-02
RED
BLK
RED
BLK
RED
L.F.
2035HPL
BLK
+
L.F.
2035HPL
–
+
–
10-03