JBL CM42 Technical Manual

Technical Manual
CM42/42AW/42V

SPECIFICATIONS

ACOUSTIC & ELECTRICAL SPECIFICATIONS:
• Nominal Impedance: 6 ohms
• Max Amp Power: 80 Watts
• Frequency Response: 60 Hz – 20 kHz
• Sensitivity: 88 dB 1 Watt @ 1 Meter
• Crossover Frequency: 4 kHz
SYSTEM COMPONENTS:
• Cabinet: CM42/42AW/42V (Not For Sale)
• Grille: CM42/42V (Black) WI0720-B
CM42AW (Black) WI0720-1B
CM42/42V (White) WI0720-W
CM42AW (White) WI0720-1W
• Low Frequency CM42/42V - 4" Shielded
Transducer: Polylaminate Cone (CM40WO)
CM42AW - 4" Shielded
Polylaminate Cone
(B10AH85PR-03DW)
DC Resistance: 3.4 ohms ±10%
PACKAGE
Rubber Feet (8)
CM42/42AW/42V (BLK) WI0742-B
CM42/42AW/42V (WHT) WI0742-W
NOTE: CM42V IS SOLD AS A
SINGLE LOUD SPEAKER
Owner's Manual AI0197
Warranty Card AI0193
Upper/Lower Foam
CM42/42AW WP0254
CM42V WP0261
Packaging
Carton, Beauty
CM42 (BLK) WG443-B
CM42 (WHT) WG443-W
CM42AW (BLK) WG443-1B
CM42AW (WHT) WG443-1W
CM42V (BLK) A006-446
JBL Consumer Products Inc., 250 Crossways Park Dr., Woodbury, New York 11797
SYSTEM COMPONENTS:
(cont'd)
• High Frequency
Transducer:
DC Resistance
• Crossover Network:
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 the Warranty Statement packed with each product.

WIRING DIAGRAM

Driver,
High Freq
CM42/42AW/42V
(DT397TH-2)
WHT
Driver,
Low Freq
CM42/42V
(CM40WO)
CM42AW
(B10AH85PR-03DW)
BLK
SCHEMATIC CM42 - 42AW - 42V (As Noted)
L1
CM42AW 1.3mH
CM42V 1.0mH
CM42 1.0mH
INPUT
LMP(2)
R1
2.7Ω
5W
CM42/42AW/42V -1/2" Titanium
Dome (DT397TH-2)
6.6 ohms ±10%
CM42/42V (WI0722) CM42AW (WI0727)
4.0V Input, 60 Hz to 20 kHz
3.0V Input, 60 Hz to 5 kHz
2.0V Input, 3 kHz to 20 kHz
10 x 5 3/4 x 4 in. (H x W x D)
(225mm x 147mm x 104mm)
6 lbs. (2.7 kg.) Each
(CM42/42AW Sold in Pairs)
(CM42V Single)
BLU
Network
CM42/42V(WI0722)
CM42AW (WI0727)
YEL
C1
10 F
100V
C2
CM42AW
3.9µF/100V
L2
CM42V
CM42AW 0.39mH
3.3µF/100V
CM42V 0.3mH
CM42
CM42 0.3mH
3.3µF/100V
YEL
L.F.
BLK
BLU
H.F.
WHT
REV A
2-99