JBL PRX718XLF Technical Manual

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

Technical Manual

JBL PRX718XLF/230

SPECIFICATIONS

ACOUSTIC & ELECTRICAL SPECIFICATIONS:

•  Frequency Response (±3 dB):  35 Hz – 87 Hz 

•  Frequency Range (–10 dB): 

30 Hz – 103 Hz      

•  Maximum SPL: 

 134 dB peak 

•  Input Impedance: 

 20K Ohms (balanced), 

• 

Crossover 

Frequency:  

  Internal:  

90 Hz DSP Controlled 48 dB/octave  

loop out: 

120 Hz Analog 24 dB/Octave  

SYSTEM COMPONENTS:

•  Cabinet: 

Enclosure (Not For Sale)

• Grille: 

5030354

•  Low Frequency Driver: 

 2278H, 18 inch woofer

•  D.C.Resistance: 

5.3 ohm +/- 10%

AURAL SWEEP TEST SPECIFICATIONS:

A. System.Aural Sweep Test: 

 0.15V Input, 50 Hz Ito 20 kHz Knob 

Fully CW.Line In and Main

B. L.F.Aural Sweep Test: 

   15V Input, 10 Hz to 100 Hz

PHYSICAL SPECIFICATIONS:

•  Enclosure Dimensions: 

  (HxWxD) 

690.372 x 523.24 x 723.9 mm D 

(27.18 x 20.6 x 28.5 in.D)

•  Net Weight: 

81 lb (36.8 kg)

WARRANTY INFORMATION:

•  Refer to Warranty Statement packed with each product.

JB

L 

PR

X718

XL

F/230 

REV

 A

12-13

PACKAGE

WIRING DIAGRAM

Warranty Card 

59660

User’s Guide 

5032132

Carton 

5032387

Filler  

5032389 (2)

PKG, Microfoam (8) 

49790P  

Cord, AC, Line 

425-00000-00 (120V) 

425-00000-01 (230V)

Driver, Low Frequency

2278H

(5031789X)

C8R2278

Green Black

Green

Amplifier Assembly

        5032367

    Wire Harness

        5033762

Grommet

5038031

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