JBL PRX312MD Technical Manual Download Page 1

JBL Incorporated, 8500 Balboa Boulevard, P.O. Box 2200, Northridge, California 91329  U.S.A.

JB

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P

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X

3

12

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REV 

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PACKAGE

WIRING DIAGRAM

04-10

Technical Manual

JBL 

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RX

3

12M

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

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