JBL Studio S312II Technical Manual

Technical Manual
S312
II
Studio ™ Series
ACOUSTIC & ELECTRICAL SPECIFICATIONS:
• Nominal Impedance
• Max Amp Power
• Frequency Response
• Sensitivity
• Crossover Frequencies

SYSTEM COMPONENTS:

• Enclosure
• Grille
• Low-Frequency Transducer 12" (305mm) PolyPlas,
DC Resistance
• Mid-Frequency Transducer
DC Resistance
• High-Frequency Transducer 1" (25mm) titanium dome,
DC Resistance
• Crossover Network
PACKAGING
Upper/Lower
Foam
337754-001
Outer Carton
338056-001
JBL Consumer Products, 250 Crossways Park Dr., Woodbury, New York 11797
8 ohms
250 watts
35Hz – 20kHz
92dB (1 watt @ 1 meter)
750Hz, 3000Hz
S312 (not for sale)
II
338778-001
™ shielded
(335151-002)
5.6 ohms ±10%
4" (101mm) PolyPlas, ™ shielded
(338040-001)
4.3 ohms ±10%
shielded (338042-001)
3.4 ohms ±10%
335412-002
Microfoam
(2 pcs.)
OWNER'S
MANUAL
Owner's Manual
338018-001
Warranty Card
338322-001
Survey Card
331384-001
Spike Foot Kit
338076-001
AURAL SWEEP TEST SPECIFICATIONS:
• A. System Aural Sweep Test 6.0V Input 30Hz to 20kHz
• B. L.F. Aural Sweep Test
• C. M.F. Aural Sweep Test
• D. H.F. Aural Sweep Test
PHYSICAL SPECIFICATIONS:
• Enclosure dimensions:
(H x W x D)
• Weight
WARRANTY:
• Refer to Warranty Statement packed with each product.

WIRING DIAGRAM

Driver
High-Frequency
338042-001
YELLOW/BLACK
Driver
Mid-Frequency
338040-001
Driver
Low-Frequency
335151-002
S312
II
L4
4.4mH
RED
+IN
INPUT
BLACK
–IN
C3
20µF/100V
C4
0.01µF/250V
C8 2.4 ohms
9µF/100V
C6
0.01µF/250V
6.0V Input 30Hz to 1kHz
4.0V Input 500Hz to 4kHz
2.83V Input 3kHz to 20kHz
41" x 14-3/4" x 12-1/4"
1041mm x 375mm x 311mm
77 lb/35kg each
Crossover Network
335412-002
YELLOW
WHITE
WHITE/BLACK
GREEN
GREEN/BLACK
SCHEMATIC
GREEN
C7
C2
40µF
0.01µF
100V
250V
R6
5.1 ohms
10W
BLK/GREEN
R7
L2
2.4 ohms
400µH
10W
WHT/BLACK
R3
40 ohms
5W
WHITE
R8
10W
YELLOW
R5
L3
10 ohms
220µH
5W
YEL/BLK
+
250
L.F.
205 –
–
110
M.F.
+
205
+
205
H.F.
–
110
07/02