JBL SR4726X/F, SR4726X, SR4726F Technical Manual

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

JBL SR4726X/F REV N

PACKAGE

WIRING DIAGRAM

01-08

Technical Manual

JBL SR4726X/F

SPECIFICATIONS

ACOUSTIC & ELECTRICAL SPECIFICATIONS:

• Nominal Impedance: 8 ohms

• Power Capacity: 600W Continuous Pink Noise

• Frequency Range: 35 Hz – 18 kHz (–10dB)

• Sensitivity: 97 dB SPL, 1 Watt @1 Meter

• Crossover Frequency: 1.1 kHz

SYSTEM COMPONENTS:

• Cabinet: SR4726X (Not For Sale)

• Grille: 128-00395-00

• Low Frequency 380mm (15 in.) Paper Cone
Transducer: Transducer (2226HPL)

• DC Resistance: 5.0 ohm ±10% Aluminum Wire

• High Frequency 50.8mm (2 in.Exit) Pure Titanium
Transducer: Compression Driver (2447J)

• DC Resistance: 8.0 ohm ±8% Aluminum Wire

SYSTEM COMPONENTS:

(Cont’d)

• Crossover Network: 129-20062-00

AURAL SWEEP TEST SPECIFICATIONS:

A. System Aural Sweep Test: 7.0V Input, 20 Hz to 20 kHz
B. L.F. Aural Sweep Test: 7.2V Input, 20 Hz to 1.2 kHz
C. H.F. Aural Sweep Test: 2.0V Input, 550 kHz to 20 kHz

PHYSICAL SPECIFICATIONS:

• Enclosure Dimensions: 921mm x 635mm x 460mm D
(36.25 x 25.0 x 18.0 in. D)

• Shipping Weight: 110 lbs. (49.9 kg.)

WARRANTY INFORMATION:

• Refer to Warranty Statement packed with each product.

Warranty 59660
User’s Guide
SR-X Series
981-00052-04

Carton
SR4726X
990-00172-00

Microfoam(8)
Packaging
49790P

Filler, (2)
Top & Bottom
991-00179-02

Network
129-20062-00

SCHEMATIC (129-20062-00)

Speaker, HighFreq
2447J
Diaph Repl
D16R2450

Speaker, Low Freq
2226HPL
Cone Repl
C8R2226

GRN

YEL

GRN/BLK

YEL/BLK

FULL RANGE

BI AMP

FEMALE

CONNECTION

SP CROSSOVER PC BOARD

SPXXX T/C PC BOARD

L1

2.2mH

L3

1.8mH

R1
20
15W

R2
20
15W

R3
20
15W

R4
20
15W

R6

5.6
15W

R5

1.6
40W

RED

RED
WHT

GRN
BLK

BLK
BLU

BLU

YEL/BLK

GRN/BLK

YEL

YEL

C4
9µF

C5
7µF

C1
28µF

C2A
26µF

C2B
26µF

C3

1.5µF
L2

1.4mH

+

–

+

–

YEL +

YEL/BLK –

GRN/BLK –

GRN +

L.F.
2226HPL

H.F.
2447J

1
2

–

2

+2

3
4

1

+

1

2
3
4

1
2
3
4

–

1

JBL SR4726X/F

JBL SR4726X/F

COMPONENT EXPLODED VIEW

Screw (10)
882-51110-12
6 x 3/4
OV PH

Screw (4)
882-51110-12
6 x 3/4
OV P H

Screw
883-31110-40
No.8 x 2 1/2
TR HD PH PD

Grille
Support (2)
389-0032-00

Screw (8)
804-01110-16
10-32 x 1
FIL, PH, BLK,
ZINC

Gasket
75710

Screw (8)
804-41110-12
10-32 x 3/4
PAN,PH,BLK,
ZINC,LCS

Screw (12)
884-41110-12
No.10 x 3/4
PNHD PH PB THD

Speaker, Low Freq
2226HPL
Cone Repl
C8R2226

Screw (10)
806-31010-16
1/4-20 x 1
TRUSS PH BLK
ZINC

Screw (4)
64586
No.10 x 1
RD HD

Screw (6)
61867
No.6 x 3/4
OV HD PH

Speaker, High Freq
2447J
Diaph Repl
D16R2450

Network
129-20062-00

Network
129-20062-00

Binding Post
RED 33750
BLK 33751

Stud (4)
75815
1/4-20

Foot (4)
924-00013-00

Stand-Off

819-00000-00

T-Nut (8)
61861
No.10-32

T-Nut (8)
61861
No.10-32

T-Nut (10)
834-44011­00
1/4-20 BLK

Port Tube (2)
47909-08
(Not For Sale)

Horn
2381
126-00000-00

Hardware
Kit
76149

Grille
128-00395-00

Trim, Grille (2)
382-00336-02

Name Plate
950-00037-00

Cabinet
SR4726X
(Not For Sale)

Gasket,
Handle (2)
382-00337-00

Gasket (4)
71129-01

Handle (2)
923-00022-00

NOTE: BLACK DURAFLEX
REPAIR KIT 30052

Screw (16)
818-73714-35
M10 x 35MM
SCKT, HEX, BLK, ZINC

Washer (4)
845-00110-08
5/16 Flat