Technical Manual
S38
II
(A/B) Studio
™
Series
ACOUSTIC & ELECTRICAL SPECIFICATIONS:
• Nominal Impedance
8 ohms
• Max Amp Power
175 watts
• Frequency Response
45Hz – 20kHz (–3dB)
• Sensitivity
89dB (1 watt @ 1 meter)
• Crossover Frequencies
800Hz, 3200Hz
SYSTEM COMPONENTS:
• Enclosure
S38
II
(not for sale)
• Grille
338038-001
• Low-Frequency Transducer
8" (133mm) PolyPlas,
™
shielded (335149-002)
DC Resistance
4.4 ohms ±10%
• Mid-Frequency Transducer
4" (101mm) PolyPlas,
™
shielded (338040-001)
DC Resistance
4.3 ohms ±10%
• High-Frequency Transducer 1" (25mm) titanium dome,
shielded (338042-001)
DC Resistance
3.4 ohms ±10%
• Crossover Network
335410-003
AURAL SWEEP TEST SPECIFICATIONS:
• A. System Aural Sweep Test 6.0V Input 40Hz to 20kHz
• B. L.F. Aural Sweep Test
6.0V Input 40Hz to 1kHz
• C. M.F. Aural Sweep Test
4.0V Input 500Hz to 4kHz
• D. H.F. Aural Sweep Test
2.83V Input 3kHz to 20kHz
PHYSICAL SPECIFICATIONS:
• Enclosure dimensions
11-1/2" x 17-1/2" x 11-3/4"
(H x W x D)
292mm x 445mm x 298mm
• Weight
56 lb/25.4kg (sold in pairs)
WARRANTY:
• Refer to Warranty Statement packed with each product.
Owner’s Manual
338018-001
Warranty Card
338322-001
Survey Card
331384-001
Felt Foot Kit
335634-001
OWNER’S
MANUAL
Upper/Lower
Foam
338029-001
Microfoam
(2 pcs.)
Outer Carton
338025-001
PACKAGING
07/02
JBL Consumer Products, 250 Crossways Park Dr., Woodbury, New York 11797
S38
II
(A/B) Studio
™
Series
Driver
High-Frequency
338042-001
Driver
Mid-Frequency
338040-001
Driver
Low-Frequency
335149-002
YELLOW/BLACK
WHITE/BLACK
GREEN/BLACK
WHITE
GREEN
YELLOW
Crossover Network
335410-003
+IN
–IN
INPUT
GREEN
BLK/GREEN
WHT/BLACK
WHITE
YELLOW
YEL/BLK
RED
BLACK
L.F.
M.F.
+
H.F.
250
+
+
205
205
–
110
–
205
–
110
L4
2.2mH
R1
2.4 ohms/10W
C1
60
µ
F
100V
C2
0.01
µ
F
250V
R6
20 ohms
5W
R2
4.7 ohms
10W
L2
300
µ
H
C7
15
µ
F/100V
C4
0.01
µ
F/250V
C5
4
µ
F/100V
R7
2.4 ohms
10W
R8
3.6 ohms
5W
L5
0.1
µ
H
C6
0.01
µ
F/250V
S38
II
SCHEMATIC
WIRING DIAGRAM
