Technical Manual
ND310II
Northridge™ Series
ACOUSTIC & ELECTRICAL SPECIFICATIONS:
AURAL SWEEP TEST SPECIFICATIONS:
• Nominal Impedance
• Max Amp Power
• Frequency Response
• Sensitivity
8 ohms
• System Aural Sweep Test
• L.F. Aural Sweep Test
• M.F. Aural Sweep Test
• H.F. Aural Sweep Test
6.0V Input 30Hz to 20kHz
6.0V Input 30Hz to 2kHz
4.0V Input 500Hz to 6kHz
2.83V Input 4kHz to 20kHz
250 watts*
37Hz – 20kHz
91dB (1 watt @ 1 meter)
1000Hz, 5000Hz
• Crossover Frequencies
PHYSICAL SPECIFICATIONS:
SYSTEM COMPONENTS:
• Enclosure Dimensions
(H x W x D)
42" x 14-1/2" x 12"
• Enclosure
• Grille
• Low-Frequency
Transducer (2)
DC Resistance
• Mid-Frequency Transducer 4" (102) Polyplas™, shielded
335588-002
ND310II (not for sale)
337804-001
10" (254mm) Polyplas™, shielded
335573-002
1067mm x 368mm x 305mm
• Weight
55 lb/25kg (each)
WARRANTY:
• Refer to Warranty Statement packed with each product.
10.8 ohms 10%
* 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.
DC Resistance
• High-Frequency
Transducer
4.4 ohms 10%
3/4" (19mm) titanium-laminate
dome, shielded 338035-001
3.0 ohms 10%
DC Resistance
WIRING DIAGRAM
• Crossover Network
335624-002
Driver High
Frequency
338035-001
Network
335624-002
—
+
PACKAGING
YELLOW
Driver Mid
Frequency
335588-002
YELLOW/BLACK
+
Upper/Lower
Foam
337799-001
—
—
+
Driver Low
Frequency
335573-002
WHITE
WHITE/BLACK
Owner’s Manual
338061-001
Warranty Card
338322-001
OWNER’S
MANUAL
Survey Card
—
+
—
+
331384-001
Plastic Bag (2 pcs.)
GREEN
GREEN/BLACK
GREEN
Outer Carton
337798-001
GREEN/BLACK
ND310II SCHEMATIC
L1
2.8mH
RED
GREEN 21"
GREEN 16"
GREEN/BLACK 21"
+
+
250
250
+IN
L.F.
INPUT
–
–
205
205
BLACK
–IN
GREEN/BLACK 16"
R1
7.5/10W
C1
L2
15µF, 100v
640µH
–
110
250
WHITE/BLACK 34"
M.F.
H.F.
+
WHITE 34"
C2
4µF, 100v
+
–
205
110
YELLOW 36"
L3
300µH
YELLOW/BLACK 36"
JBL Consumer Products, 250 Crossways Park Dr., Woodbury, New York 11797
09/02
|