JBL SR4735X Technical Manual

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

JBL SR4735X REV O

PACKAGE

WIRING DIAGRAM

01-08

Technical Manual

JBL SR4735X

SPECIFICATIONS

SYSTEM COMPONENTS:

(Cont’d)

• DC Resistance: 3.2 ohm ±8% Aluminum Wire

• Crossover Network: 129-30015-00

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. M.F. Aural Sweep Test: 4.5V Input, 550 kHz to 20 kHz
D.H.F. Aural Sweep Test: 2.0V Input, 1.0 kHz to 20 kHz

PHYSICAL SPECIFICATIONS:

• Enclosure Dimensions: 921mm x 635mm x 460mm D
(36.3 x 25.0 x 18.1 in. D)

• Shipping Weight: 108 lbs. (49 kg.)

WARRANTY INFORMATION:

• Refer to Warranty Statement packed with each product.

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

Carton
SR4735X
990-00198-01

Microfoam (8)
Packaging
49790P

Filler, (2)
Top & Bottom
991-00192-00

Network
129-30015-00

SCHEMATIC (129-30015-00)

See Schematic Page

Speaker, High Freq
2425HS
(66923X)
Diaph Repl
D8R2425

Speaker, Mid Freq
M209-8A
(124-28000-02X)
Cone Repl
C8RM209A

Speaker,
Low Freq
2226HPL
Cone Repl
C8R2226

GRN

WHT

YEL

GRN/BLK

WHT/BLK

YEL/BLK

+–

+–

ACOUSTIC & ELECTRICAL SPECIFICATIONS:

• Nominal Impedance: 8 ohms

• Power Capacity: 600W Continuous Pink Noise

• Frequency Range: 35 Hz – 20 kHz (–10dB)

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

• Crossover Frequencies: 350 Hz and 1.3 kHz

SYSTEM COMPONENTS:

• Cabinet: SR4735X (Not For Sale)

• Grille: 128-00422-00

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

• DC Resistance: 5.0 ohm ±10% Aluminum Wire

• Mid Frequency 203mm (8 in.)
Transducer: Compression Driver (M209A-8)

• DC Resistance: 5.3 ohm ±8% Aluminum Wire

• High Frequency 25.4mm (1in. Exit)
Transducer: Compression Driver (2425HS)

JBL SR4735X

JBL SR4735X

SCHEMATIC (129-30015-00)

RED/WHT

GRN/BLK

RED

YEL

WHT

WHT/BLK

INPUT PANELPC BOARD

XOVER PC BOARD

L8

1.6mH

L6

5.0mH

L2
28mH

L3

2.6mH

L4

3.8mH

L5

3.0mH

L1

0.9mH

R1
30

R2
5

RED

HP

HP

BP

LP

LP

YEL

IN

IN

IN

IN

IN

OUT

OUT

OUT

OUT

OUT

WHT

GRN

BLK

BLK/WHT

PASSIVE XOVER

ACTIVE XOVER

YEL/BLK

WHT/BLK

RED/WHT

GRN

YEL/BLK

PASSIVE

BI-AMP

YEL

C10
20µF

HF (Active)

LF (PASSIVE)

HF (Passive)

HF (Passive)

HF (Active)

+

+

+

+

+

C7
90µF

C1
1µF

C4
16µF

C5
21µF

C3

4.7µF

C6
7µF

C2
3µF

L7

1.2mH

C8
6µF

C9
24µF

GRN/BLK

WHT/BLK
WHT

12

–

2

+

2

3456

+

1

1

2

3

4

5

6

1

2

3

4

5

6

–

1

–2

+2

+

1

–1