JBL ND310II - Manual

09/02
Technical Manual
ND310
II
Northridge ™ Series
ACOUSTIC & ELECTRICAL SPECIFICATIONS:
• Nominal Impedance 8 ohms
• Max Amp Power 250 watts*
• Frequency Response 37Hz – 20kHz
• Sensitivity 91dB (1 watt @ 1 meter)
• Crossover Frequencies 1000Hz, 5000Hz
SYSTEM COMPONENTS:
• Enclosure ND310 II (not for sale)
• Grille 337804-001
• Low-Frequency 10" (254mm) Polyplas ™ , shielded
Transducer (2) 335573-002
DC Resistance 10.8 ohms ±10%
• Mid-Frequency Transducer 4" (102) Polyplas ™ , shielded
335588-002
DC Resistance 4.4 ohms ±10%
• High-Frequency
3/4" (19mm) titanium-laminate
Transducer dome, shielded 338035-001
DC Resistance 3.0 ohms ±10%
• Crossover Network 335624-002
AURAL SWEEP TEST SPECIFICATIONS:
• System Aural Sweep Test 6.0V Input 30Hz to 20kHz
• L.F. Aural Sweep Test 6.0V Input 30Hz to 2kHz
• M.F. Aural Sweep Test 4.0V Input 500Hz to 6kHz
• H.F. Aural Sweep Test 2.83V Input 4kHz to 20kHz
PHYSICAL SPECIFICATIONS:
• Enclosure Dimensions 42" x 14-
1/2" x 12"
(H x W x D) 1067mm x 368mm x 305mm
• Weight 55 lb/25kg (each)
WARRANTY:
• Refer to Warranty Statement packed with each product.
* The maximum recommended amplifier power rating will
ensure proper system headroom to allow for occasional
peaks. We do not recommend sustained operation at
these maximum power levels.
Owner’s Manual
338061-001
Warranty Card
338322-001
Survey Card
331384-001
OWNER’S
MANUAL
Outer Carton
337798-001
Plastic Bag (2 pcs.)
Upper/Lower
Foam
337799-001
PACKAGING
JBL Consumer Products, 250 Crossways Park Dr., Woodbury, New York 11797
ND310
II
Northridge
™
Series
— +
— +
Driver Low
Frequency
335573-002
Driver Mid
Frequency
335588-002
Network
335624-002
GREEN/BLACK
GREEN/BLACK
— +
GREEN
GREEN
YELLOW
YELLOW/BLACK
WHITE/BLACK
WHITE
+
—
Driver High
Frequency
338035-001
+ —
L.F.
M.F.
+IN
–IN
INPUT
+
+
H.F.
250
250
–
+
110
250
+
–
205
110
– 205
– 205
L1
2.8mH
L3
300 µ H
L2
640 µ H
C1
15 µ F, 100v
R1
7.5/10W
C2
4 µ F, 100v
RED
BLACK
GREEN 21"
GREEN 16"
GREEN/BLACK 16"
WHITE/BLACK 34"
WHITE 34"
YELLOW 36"
YELLOW/BLACK 36"
GREEN/BLACK 21"
ND310 II SCHEMATIC
WIRING DIAGRAM