JBL SR4718X Manuel utilisateur

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

JBL SR4718X REV Q

PACKAGE WIRING DIAGRAM

04-08

Technical Manual

JBL SR4718X

SPECIFICATIONS

ACOUSTIC & ELECTRICAL SPECIFICATIONS:

• Nominal Impedance: 4 ohm

• Power Capacity: 600W Continuous Pink Noise

• Frequency Range: 30 Hz – 1.1 kHz (–10 dB)

• Sensitivity: 95 dB SPL, 1 Watt @ 1 Meter

• Crossover Frequency: N/A

SYSTEM COMPONENTS:

• Cabinet: SR4718X (Not For Sale)

• Grille: 128-00415-00

• Low Frequency 460mm (18 in.) Paper Cone

Transducer: Transducer (2241GPL)

• DC Resistance: 2.5 ohm ±10% Aluminum Wire

• Crossover Network: 129-00023-00

AURAL SWEEP TEST SPECIFICATIONS:

A. System Aural Sweep Test: 7.0V Input, 20 Hz to 1.2 kHz

B. L.F. Aural Sweep Test: 10.0V Input, 20 Hz to 1.2 kHz

PHYSICAL SPECIFICATIONS:

• Enclosure Dimensions: 610mm x 635mm x 460mm D

(24.0 x 25.0 x 18.1 in. D)

• Weight: 108 lbs. (48.9 kg.)

WARRANTY INFORMATION:

• Refer to Warranty Statement packed with each product.

Warranty 59660

User’s Guide

SR-X Series

981-00052-04

Carton

SR4718X

990-00176-00

Microfoam (8)

Packaging

49790P

Filler (4)

Top & Bottom

991-00202-00

Network

129-00023-00

SCHEMATIC (129-00023-00)

Speaker, Low Freq

2241GPL (71126-

03X)

Cone Repl

C4R2241

GRN

GRN/BLK

PC BOARD

Neutrik

Connector

NL4MPR

Neutrik

Connector

NL4MPR

GRN/BLK

GRN

RED

YEL

IN/OUT

Housing

+2/–2

Mode +1/–1

Mode

IN/OUT

L.F.

2241G

–1+

–

–2

–1

–2

–+

JBL SR4718X

COMPONENT EXPLODEDVIEW

Screw (5)

729-90004-24

No. 12 x 1-1/2

PNHD BLK

Screw (10)

882-51110-12

6 x 3/4

OV PH

Grille Trim (2)

382-00336-04

Screw (8)

804-01110-16

10-32 x 1

FIL PH BLK

ZINC

Gasket

60578

Gasket

359-00215-00

Bracket

888-00066-00

Plug

382-00357-00

Screw (4)

729-90002-16

No. 12 x 1

Port Tube (2)

47909-29

(Not For Sale)

Screw (8)

804-41110-16

10-32 x 1

PNHD BLK

Screw (12)

884-41110-12

No. 10 x 3/4

PNHD PH PB THD

Speaker,

Low Freq

2241GPL

(71126-03X)

Cone Repl

C4R2241

Screw (6)

882-51110-12

6 x 3/4

OV PH

Network

129-00023-00

Foot (5)

924-00012-00

T-Nut (8)

61861

No. 10-32

T-Nut (8)

61861

No. 10-32

Grille

Support (2)

389-00030-00

Grille

128-00415-00

Name Plate

950-00037-00

Cabinet

SR4718X

(Not For Sale)

Stiffner, Tube

381-00039-00

End Cap,

Stiffner Tube (2)

390-00011-01

Gasket,

Handle (2)

382-00337-00

Handle (2)

923-00022-00

NOTE: DURAFLEX REPAIR

Kit 30052

Input Terminal

362-10007-01

Tinsel Leads (2)

352828-001

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