JBL MS28 Technical Manual

Technical Manual
JBL MS28/WH

SPECIFICATIONS

ACOUSTIC & ELECTRICAL SPECIFICATIONS:
• Nominal Impedance:
• Power Capacity:
• Frequency Range:
• Sensitivity:
• Crossover Frequency:
SYSTEM COMPONENTS:
• Cabinet:
• Grille:
• Low Frequency
Transducer:
DC Resistance:
• High Frequency
Transducer:
DC Resistance:
PACKAGE
JBL Incorporated, 8500 Balboa Boulevard, P.O. Box 2200, Northridge, California 91329 U.S.A.
16 ohms
200W IEC: 800W Peak
40 Hz – 20 kHz (–10dB)
93 dB SPL, 1 Watt @ 1 Meter
2.8 kHz
(Not For Sale)
128-00343-65, 128-00343-00 (Wh)
200mm (8 in.) Cone
Transducer (508G-3S) (2)
5.9 ohm ± 5%
25mm (1 in.) Titanium
Diaphragm (2412H)
5.3 ohm ± 10%
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
Logo Hardware Kit
229-00014-00
(supplied)
Mounting
Bracket Kit
133-00012-00
133-00012-01(Wh)
(supplied)
Hardware Kit
229-00015-00
Carton
990-00145-00
SYSTEM COMPONENTS:
• Crossover Network/
Terminal Cup:
AURAL SWEEP TEST SPECIFICATIONS:
A. System Aural Sweep Test:
B. L.F. Aural Sweep Test:
C. H.F. Aural Sweep Test:
PHYSICAL SPECIFICATIONS:
• Enclosure Dimensions:
• Weight:
WARRANTY INFORMATION:
• Refer to Warranty Statement packed with each product.

WIRING DIAGRAM

Speaker,
High Freq
2412H
(125-10000-00X)
Speaker,
Low Freq
508G-3S (2)
Repl Unit
BLK RED
73284-01X
See Note
*
Back of Page
WHT/BLK
SCHEMATIC (129-20043-00)
Neutrik
Connector (2)
NL4MPR
1+
1+
2+ 2+
N/C
1–
1–
N/C
2– 2–
(cont'd)
129-20043-01
10V Input, 20 Hz to 20 kHz
7.0V Input, 20 Hz to 1.2 kHz
2.83V Input, 550 Hz to 20 kHz
676mm x 295mm x 324mm D
(26.0 x 11.6 x 12.75 in. D)
28 lbs. (12.7 kg.)
BLK RED
YEL
YEL/BLK
Network
129-20043-01
BLK RED
GRN
GRN/BLK
WHT
L1
3.4mH
C1
4m 0
B1 B2
SK-3 (2)
C2
1m 0
L2
0.3mH
GRN
250
250
GRN/BLK
L.F.
508G-3S
WHT 250
250
WHT/BLK
R1
9ohm
110
5W
YEL/BLK
H.F.
2412H
YEL
205
03-06