JBL PRX718XLF Manuel utilisateur

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.

JBL PRX718XLF/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

Amplier Assembly

5032367

Wire Harness

5033762

Grommet

5038031

JBL PRX718XLF/230

COMPONENT EXPLODED VIEW

COMPONENT PARTS LIST:

JBL PRX718XLF/230

Part No. Qty Description Ref.Des.

18 5003856 1 Pole mount, M20 3 hole pattern n/a

19 364808-001 1 Gasket, pole cup n/a

20 806-11010-20 3 SCR,1/4-20 X 1 1/4,FLT,PH,UNC,BLK ZNC,L n/a

21 5032367 1 AMP ASSY, PRX718XLF n/a

23 804-11110-12 10 SCR, 10-32 X 3/4",FLT,PH,BLK ZINC,LCS n/a

24 5032124 2 HANDLE ASSY n/a

25 446376-001 16 SCREW, #8-32, HANDLE n/a

26 353445-001 4 FOOT n/a

27 884-41110-12 4 SCR,10 X 3/4,PAN,PH,PB,BLK ZINC,LCS n/a

28 5030688 1 LED PCB, PRX700 n/a

29 882-41110-12 2 SCR,6X3/4",PAN,PH,PB,BLK n/a

30 5018271 1 Large Plastic Logo n/a

31 5032365 1 GRILLE ASSY, PRX718XLF n/a

32 882-51110-12 14 SCR, 6 X 3/4,OV,PH,PTCL,BLK ZC,LCS n/a

34 5031789X 1 M/I 2278H n/a

35 804-01110-16 8 SCR,10-32 X 1,FIL,PH,BLK n/a

39 445327-001 2 GASKET, HANDLE n/a

44 5033762 1 HARNESS ASSY, PRX718XLF n/a

Part No. Qty Description Ref.Des.

JBL PRX718XLF/230

COMPONENT EXPLODED VIEW

COMPONENT PARTS LIST:

JBL PRX718XLF/230

Item Part No. Qty Description Ref.Des.

1 5032685 1 Input Board Assembly n/a

2 5032687 1 PSU/Amplier Board n/a

3 5032701 1 Input Plate Assembly n/a

5 5032753 1 Interface PCB Assembly-Sub n/a

8 5032723 1 26 Pin Ribbon Cable n/a

9 5032725 2 GAP PAD Top n/a

10 5032727 1 GAP PAD Middle n/a

11 5032729 1 GAP PAD Bottom n/a

12 5032731 1 Isolating Sheet n/a

13 813-41210-08 10 M3X8MM Machine Screws n/a

14 813-41210-08 10 M3X8MM Machine Screws n/a

15 813-41210-08 6 M3X8MM Machine Screws n/a

21 5032747 1 AC Inlet Socket n/a

22 5032749 1 Fan Assembly n/a

23 5034166 4 Light Pipe n/a

24 445045 1 Volume Knob n/a

25 363638 3 Switch Cap n/a

27 5032126 2 Amplier Gasket n/a

Item Part No. Qty Description Ref.Des.

28 5038780 1 Pass Through Gasket

29 5041553 1 NC3MB AV J4

30 5041554 2 XCR, 1/4 Combo Input J5,J7

31 5041555 1 RCA Dual Input J6

32 5041556 4 Switch TL2201 SW1, SW2,

SW3, SW4

33 5041557 2 Slice Switch SW3.SW4

34 5041558 2 10k 20% .05 w VR1, VR2

35 ZD8016 1 Fuse5x20mm T6.3A/250V F1

29 30 31 32 33 34 35

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