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English

Controls / Indicator

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3

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1

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(W)

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5

1

 FILTER switch (A.ch/B.ch)

This switch allows to apply high-pass or low-pass 
filtering to the speaker outputs.

•  HPF (High-Pass Filter) position:

The filter outputs the band of higher frequencies 
than the frequency set with the FILTER 
FREQUENCY control.

• OFF position:

The entire bandwidth is output without filtering.

•  LPF (Low-Pass Filter) position:

The filter outputs the band of lower frequencies 
than the frequency set with the FILTER 
FREQUENCY control.

2

 OPERATION switch (A.ch/B.ch)

This switch is used to select the operation mode 
of the amplifier.

• STEREO position:

The amplifier can be used as a stereo amplifier.

• MONO (Lch) position:

Amplifies the signal input from the left side 
only. Set to this position and make bridged 
connections to use as a high-power monaural 
amplifier. (The input right signal is not output.)

3

 INPUT SELECTOR switch 

This switch selects the input method of 
the signals to be amplified by amplifiers A 
and B.

• A B position:

Amplifies both of the signals input to 
amplifiers A and B.

• A position:

Amplifies only signal input amplifier A with 
both amplifiers A and B.

4

 FILTER FREQUENCY control (A.ch/B.ch) 

Sets the cutoff frequency when the FILTER switch 
is set to LPF or HPF.

5

 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 maximum power output of the genuine-
accessory car stereo.
The sensitivities of amplifiers A and B can be 
adjusted independently regardless of the 
position of the input selector switch.
Use the diagram on the right as a guide.

NOTE

For the pre-output level or the maximum power 
output, refer to the <Specifications> in the 
instruction manual of the center unit.

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04.12.27   2:01:34 PM

04.12.27   2:01:34 PM

Summary of Contents for KAC-6402

Page 1: ... B64 3047 00 00 MV 4 3 2 CHANNEL POWER AMPLIFIER KAC 6402 INSTRUCTION MANUAL B64 3047 00 00 M English indd 1 B64 3047 00 00 M English indd 1 04 12 27 2 01 32 PM 04 12 27 2 01 32 PM ...

Page 2: ...ing a fuse only use a new one with the prescribed rating Using a fuse with the wrong rating may cause your unit to malfunction To prevent a short circuit when replacing a fuse first disconnect the wiring harness NOTE If you experience problems during installation consult your Kenwood dealer If the unit does not seem to be working right consult your Kenwood dealer Cleaning the unit If the front pan...

Page 3: ...her substances that are sensitive to heat will not come into contact with it When making a hole under a seat inside the trunk or somewhere else in the vehicle check that there is nothing hazardous on the opposite side such as a gasoline tank brake pipe or wiring harness and be careful not to cause scratches or other damage Do not install near the dashboard rear tray or air bag safety parts The ins...

Page 4: ...fier The input right signal is not output 3 INPUT SELECTOR switch This switch selects the input method of the signals to be amplified by amplifiers A and B A B position Amplifies both of the signals input to amplifiers A and B A position Amplifies only signal input amplifier A with both amplifiers A and B 4 FILTER FREQUENCY control A ch B ch Sets the cutoff frequency when the FILTER switch is set ...

Page 5: ...English 5 ...

Page 6: ...6 English Connection ...

Page 7: ...this unit to fail After installation check that the brake lamps winkers and wipers work properly Wiring Take the battery wire for this unit directly from the battery If it s connected to the vehicle s wiring harness it can cause blown fuses etc If a buzzing noise is heard from the speakers when the engine is running connect a line noise filter optional to each of the battery wire Do not allow the ...

Page 8: ......

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Page 10: ...10 English System examples L R L R ...

Page 11: ...English 11 L R L R L C C L R L R ...

Page 12: ...volume After check the speaker cord and fixing the cause of the short replace the fuse The output level is too small or too large The input sensitivity adjusting control is not set to the correct position Adjust the control correctly referring to Controls The sound quality is bad The sound is distorted The speakers wire are connected with wrong polarity A speaker wire is pinched by a screw in the ...

Page 13: ... 45 kHz Sensitivity rated output MAX 0 2 V Sensitivity rated output MIN 5 0 V Signal to Noise Ratio 100 dB Input Impedance 10 kΩ Low Pass Filter Frequency 12 dB oct 50 200 Hz variable High Pass Filter Frequency 12 dB oct 50 200 Hz variable General Operating Voltage 14 4 V 11 16 V allowable Current Consumption 25 A Dimensions W x H x D 330 x 59 x 242 mm Weight 3 0 kg B64 3047 00 00 M English indd 1...

Page 14: ...B64 3047 00 00 M English indd 14 B64 3047 00 00 M English indd 14 04 12 27 2 01 51 PM 04 12 27 2 01 51 PM ...

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