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Popular Kenwood KAC-6403 Manual Pages
User Manual - Page 2
... Kenwood dealer.
2 English Using a fuse with a negative ground connection. • Do not open the top or bottom covers of the unit. • Do not install the unit in the unit to protect the unit and speakers from various problems. When Protection operates, the indicator informs you of the condition. (Refer to page 5)
Accessories Part...
User Manual - Page 4
...B.ch) Set this control according to the pre-output level of the center unit connected with this unit, or to the maximum power output of the genuineaccessory car stereo. NOTE
For the pre-output level or the maximum power output, refer to the in the instruction manual of the... be adjusted independently regardless of the position of the input selector switch. Use the diagram on the right as a guide.
User Manual - Page 5
... metal part serving as an electrical ground passing electricity to the speaker output. • When the internal temperature is high and unit won't operate. • When a ground wire of trouble.
&#... receiver, CD receiver, etc.) or this unit and your speakers from various accidents or problems that can occur. 5
5 Power indicator When the power is equipped with a protection function for...
User Manual - Page 7
... to a metal part of the car chassis that are
going to be used , calculate the combined impedance of the speakers and then connect suitable speakers to the battery's negative - Connect the speaker wires. 5. ■ Installation procedure Since there are large variety of settings and connections possible according to applications, read the instruction manual well to...
User Manual - Page 11
.... (High pass)
L
C
L=
159 x fc
R
(mH)
fc=Cut of Frequency (Hz)
Frequency
C=
159000 fc × R
(μF)
R=Speaker Impedance (Ω)
● Example: When it is required to set a crossover frequency of 120 Hz using a coil and capacitor...in a drop of the combined impedance with an impedance lower than 4 ohms may damage the unit...
User Manual - Page 12
... the cause of slight misoperation or miswiring.
Before calling service, first check the following table for possible problems.
PROBLEM
POSSIBLE CAUSE
SOLUTION
No sound.
• Input (or... referring
is not set improperly. • Set switches properly by anything.
• The switches may just be the result of the short, replace
the fuse. Troubleshooting Guide
What might appear...
User Manual 1 - Page 2
.... • To prevent a short circuit when replacing a fuse, first disconnect the wiring harness. They... function installed in the unit to protect the unit and speakers from various problems. When... • Do not install the unit in a spot exposed to page 5)
Accessories
Part name
Self-tapping screws ... Kenwood dealer. • Do not touch the unit during installation, consult your Kenwood dealer....
User Manual 1 - Page 3
... the unit. • The surface temperature of the amplifier will become hot during use. Install the amplifier in a place where people, resins, and other damage. • Do not install near the dashboard, rear tray, or air bag safety parts. • The installation to the vehicle should securely fasten the unit to easily dissipate. English...
User Manual 1 - Page 4
...signal input amplifier A with both amplifiers A and B.
4 INPUT SENSITIVITY control (A.ch/ B.ch) Set this control according to the pre-output level of the center unit connected with this unit, or to the in the instruction manual of the center unit.
4 English Controls / Indicator
1
2
3
4
40
30
20
10
... output of the input selector switch. Use the diagram on the right as a guide.
User Manual 1 - Page 5
...unit (cassette receiver, CD receiver, etc.) or this unit and your speakers from various accidents or problems that can occur.
English 5 5
5 Power indicator When the power is turned on , the protection... when the power is high and unit won't operate. • When a ground wire of trouble.
■ The protection function is activated in the following situations: This unit is equipped with ...
User Manual 1 - Page 7
...capacity. (Use a power wiring cord with one set of speakers are going to a metal part of the car chassis that no unconnected wires or...setting and connection. 1.Remove the ignition key and disconnect the
negative - Connect the speaker wires. 5. ■ Installation procedure Since there are large variety of settings and connections possible according to applications, read the instruction manual...
User Manual 1 - Page 9
... terminal*
25
(Bridged Connections) 0
25
■ Power wire connection
25
Terminal cover
7 89
Power control wire Battery wire*
Ground wire*
Protective Fuse*
Battery
* Commercially available parts
A channel Left speaker A channel Right speaker
B channel Right speaker B channel Left speaker A channel Speaker (Bridged)
B channel Speaker (Bridged)
Lead terminal*
English 9
User Manual 1 - Page 11
.... (High pass)
L
C
L=
159 x fc
R
(mH)
fc=Cut of Frequency (Hz)
Frequency
C=
159000 fc × R
(μF)
R=Speaker Impedance (Ω)
● Example: When it is required to set a crossover frequency of 120 Hz using a coil and capacitor...in a drop of the combined impedance with an impedance lower than 4 ohms. Connecting a speaker with the...
User Manual 1 - Page 12
...of the short, replace
the fuse. Before calling service, first check the following table for possible problems.
PROBLEM
POSSIBLE CAUSE
SOLUTION
No...set to . to the correct position.
The output level is too small (or too large).
• The input sensitivity adjusting control • Adjust the control correctly referring
is pinched by referring to
.
12 English Troubleshooting Guide...
User Manual 1 - Page 13
Specifications
Specifications subject to Noise Ratio...100 dB Input Impedance ...10 kΩ Low Pass Filter Frequency (12 dB/oct.) ...80 Hz High Pass Filter Frequency (12 dB/...
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