JBL Northridge E50 Technical Manual

Technical Manual
E50 (
Northridge ™
ACOUSTIC & ELECTRICAL SPECIFICATIONS:
• Nominal Impedance
• Max Amp Power
• Frequency Response
• Sensitivity
• Crossover Frequency
SYSTEM COMPONENTS:
• Cabinet
• Grille
• Low-Frequency Transducer
DC Resistance
• Midrange Transducer
DC Resistance
• High-Frequency Transducer
DC Resistance
• Crossover Network
PACKAGING
1
4
JBL Consumer Products, 250 Crossways Park Drive, Woodbury, New York 11797
R/L )
Series
8Ω
175 watts*
45Hz – 20kHz (–3dB)
90dB (2.83V @ 1 meter)
800Hz, 3,200Hz
E50 Black/Cherry/Beech
(Not for Sale)
351405-001
8" (203mm) PolyPlas, ™ shielded
335469-002
4.5 ohms ±10%
4" (101mm) PolyPlas, ™ shielded
335588-002
4.4 ohms ±10%
3/4" (19mm) Titanium-laminate
dome, shielded
338035-001
3.0 ohms ±10%
351422-001
Legend on Page 2
3
2 5 6
AURAL SWEEP TEST SPECIFICATIONS:
• System Aural Sweep Test
• L.F. Aural Sweep Test
• M.F. Aural Sweep Test
• H.F. Aural Sweep Test
PHYSICAL SPECIFICATIONS:
• Dimensions
(H x W x D)
• Weight
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.
E50 (R/L) WIRING DIAGRAM
HIGH-FREQUENCY
TRANSDUCER
338035-001
RED
BLK
RED
BLK
CROSSOVER NETWORK
351422-001
E50 (R/L) SCHEMATIC
+
L1
2.6mH
LF INPUT
–
+
R1 L2
1.8ohm 0.2mH
HF INPUT
5W
–
100V
6.0V Input 45Hz to 20kHz
5.0V Input 45Hz to 1kHz
5.0V Input 500Hz to 4kHz
2.83V Input 3kHz to 20kHz
11-1/2" x 17-1/2" x 12-1/4"
(292mm x 445mm x 311mm)
50 lb (22.8kg); Sold in Pairs
GRN/BLK
GRN
LOW-FREQUENCY
TRANSDUCER
335469-002
WHT/BLK
WHT
MIDRANGE
TRANSDUCER
335588-002
20" GRN
.250
C1
75uf
L.F.
100V
20" GRN/BLK
.205
20" WHT
.250
C2 L3
M.F.
0.36mH
39uf
100V
20" WHT/BLK
.110
18" YEL/BLK
.110
C3
H.F.
2.5uf
18" YEL
.205
3/04