JBL MS28 User manual

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

JBL MS28/WH REV N

PACKAGE WIRING DIAGRAM

03-06

Technical Manual

JBL MS28/WH

SPECIFICATIONS

ACOUSTIC & ELECTRICAL SPECIFICATIONS:

• Nominal Impedance: 16 ohms

• Power Capacity: 200W IEC: 800W Peak

• Frequency Range: 40 Hz – 20 kHz (–10dB)

• Sensitivity: 93 dB SPL, 1 Watt @ 1 Meter

• Crossover Frequency: 2.8 kHz

SYSTEM COMPONENTS:

• Cabinet: (Not For Sale)

• Grille: 128-00343-65, 128-00343-00 (Wh)

• Low Frequency 200mm (8 in.) Cone

Transducer: Transducer (508G-3S) (2)

DC Resistance: 5.9 ohm ± 5%

• High Frequency 25mm (1 in.) Titanium

Transducer: Diaphragm (2412H)

DC Resistance: 5.3 ohm ± 10%

SYSTEM COMPONENTS:

(cont’d)

• Crossover Network/ 129-20043-01

Terminal Cup:

AURAL SWEEP TEST SPECIFICATIONS:

A. System Aural Sweep Test: 10V Input, 20 Hz to 20 kHz

B. L.F. Aural Sweep Test: 7.0V Input, 20 Hz to 1.2 kHz

C. H.F. Aural Sweep Test: 2.83V Input, 550 Hz to 20 kHz

PHYSICAL SPECIFICATIONS:

• Enclosure Dimensions: 676mm x 295mm x 324mm D

(26.0 x 11.6 x 12.75 in. D)

• Weight: 28 lbs. (12.7 kg.)

WARRANTY INFORMATION:

• Refer to Warranty Statement packed with each product.

Warranty 59660

Owner’s Manual 10

981-00043-03

Tech Note 980-00036-00

Logo Sticker, Marquis

950-00032-00

Filler (2)

991-00140-00

Microfoam (4)

Packaging

49790P

Carton

990-00145-00

Speaker,

Low Freq

508G-3S (2)

Repl Unit

73284-01X

See Note

Back of Page

Speaker,

High Freq

2412H

(125-10000-00X)

Network

129-20043-01

SCHEMATIC (129-20043-00)

GRN

YEL

GRN/BLK

WHT/BLK

WHT

YEL/BLK

YEL

WHT

GRN

2+ C1

4m0

SK-3 (2)

N/C

1m0

3.4mH

0.3mH

2–

1–

1+ 2+

2–

1–

Neutrik

Connector (2)

NL4MPR

9ohm

GRN/BLK

YEL/BLK

WHT/BLK

B1 B2

L.F.

508G-3S

H.F.

2412H

BLK RED

BLK RED BLK RED

Logo Hardware Kit

229-00014-00

(supplied)

Mounting

Bracket Kit

133-00012-00

133-00012-01(Wh)

(supplied)

Hardware Kit

229-00015-00 250

250

110

205

JBL MS28/WH

COMPONENT EXPLODEDVIEW

T-Nut (12)

61860

8-32 x 3/8

T-Nut, M10 (2)

836-44800-00

T-Nut (6)

805-90000-00

M8 x 9.2mm LG

Grille Stick

Right

389-00019-00

Left

389-00020-00

Grille

Support (2)

389-00021-00

Logo Kit,

Marquis

229-00014-00

Screw (2)

818-11710-25

M10 x 25MM

FL PH BLK ZINC

Speaker,

High Freq

2412H

(125-10000-00X)

Screw (8)

803-11010-16

8-32 x 1

FLT, PH, BLK

ZINC, LCS

Treated Cones:

Install Sheet 980-00037-00

WR2 (2 oz)

WR16 (16 oz)

Cabinet

(Not For Sale)

Grille

128-00343-65

128-00343-00 (Wh)

Speaker,

Low Freq

508G-3S (2)

Repl Unit

73284-01X

Network

129-20043-01

Horn

126-00013-00

Gasket (2)

52671

Gasket

359-00110-03

Screw (6)

882-51110-12

6 x 3/4

OV PH

Screw (4)

803-11110-20

8-32 x 1-1/4

PH FLTHD

Screw (12)

882-51110-12

6 x 3/4

OV PH

Screw (6)

817-11610-25

M8 x 25mm

FL PH BLK ZINC

U-Bracket (supplied)

for installation

133-00012-00

NOTE: BLACK DURAFLEX REPAIR KIT

30052

WHITE DURAFLEX REPAIR KIT

16679

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