![JBL PRX312MD Technical Manual Download Page 1](http://html1.mh-extra.com/html/jbl/prx312md/prx312md_technical-manual_2018250001.webp)
JBL Incorporated, 8500 Balboa Boulevard, P.O. Box 2200, Northridge, California 91329 U.S.A.
JB
L
P
R
X
3
12
M
D
REV
A
PACKAGE
WIRING DIAGRAM
04-10
Technical Manual
JBL
P
RX
3
12M
D
SPECIFICATIONS
ACOUSTIC & ELECTRICAL SPECIFICATIONS:
• Nominal Impediance:
• Power Capacity:
• Frequency Range:
• Sensitivity:
• Crossover Frequency:
SYSTEM COMPONENTS:
• Cabinet:
• Grille:
• Low Frequency
Transducer:
• DC Resistance:
• High Frequency
Transducer:
8 Ohms
250W, Peak Power Capacity 1000W
60 Hz – 16 kHz (–10 dB)
99 dB, 1 Watt @ 1 Meter
1.8 kHz
Enclosure (Not for Sale)
3529
45
-001
M112-8, 304.8mm (12in.) Cone
Transducer
5.
2
ohms
2412H-
D
, 25.4mm (1 in.) Exit
Titanium
Compression Driver
SYSTEM COMPONENTS:
(CONT’D)
• DC Resistance:
4.3 ohms
• Crossover Network:
5107516
-00
AURAL SWEEP TEST SPECIFICATIONS:
A. System Aural Sweep Test:
B. L.F. Aural Sweep Test:
C. H.F. Aural Sweep Test:
7.0V Input, 20 Hz to 20 kHz
7.0V Input, 20 Hz to 1.2 kHz
1.0
V Input, 500 Hz to
19.5
kHz
PHYSICAL SPECIFICATIONS:
• Enclosure Dimensions:
• Shipping Weight:
5
60mm H
x 3
81mm W
x 3
21
mm D
(22.
0in H
x 15.
0in W
x 12.
6
in
D)
19 kg
(
41.9 lb
)
WARRANTY INFORMATION:
• Refer to Warranty Statement packed with each product.
NETWORK SCHEMATIC - (
5107516-00
)
Carton
(2):
Inner 5107508-00
Outer 5107368-00
Filler (2)
:
Inner 5107509-00
Outer 5107511-00
PKG
Microfoam (4)
49790P
20”
x 18”
sheets
Warranty
PN# TBD
Spec Sheet
5107521-00
PHONE JACK
J1
1/4" PHONE JACK
PANEL
NL4MP-1 CONN
J2
NL4MP-1
CONNECTORL
1+
1–
3” RED
3” BLACK
3” RED
3”BLACK
2+, 2– NOT CONNECTED
LP1 LP2
R1
16 ohm
10W
L1
1.3 mH
C4
12µF
250V
L4
0.3 mH
C1
8 µF
200V
L2
3.4 mH
R2
7.5 ohm
10W
L3
0.4 mH
C3
8.0 µF
100V
R3
10 ohm
25W
C2
2.7 µF
200V
GREEN
Network
Assembly
5107516-00
Driver, High Freq
2412H-
D
(
5107504
-00)
Low Freq
M112-8
(336961-001
D
)
YEL
YEL/BLK
GRN
GRN/BLK
GREEN/BLACK
LF WOOFER
HF DRIVER
YELLOW/BLACK
YELLOW
+W
–W
–T
+T
250
250
110
205
SK3