Kenwood Stereo Amplifier KAC X11D User Manual

KAC-X11D  
CLASS D MONO POWER AMPLIFIER  
INSTRUCTION MANUAL  
© B64-4198-00/00 (MV)  
 
Installation  
Accessories  
Part name  
External View Number of Items  
380 mm  
320 mm  
Self-tapping screws  
(ø5 × 18 mm)  
4
ø6  
Hexagon Wrench (Large)  
Hexagon Wrench (Small)  
Terminal cover (Power terminal)  
Remote cable (6.0 m)  
Remote controller  
1
1
1
1
1
1
2
Mounting bracket  
Self-tapping screws  
2.6 × 12 mm)  
Hexagon socket  
head cap screw  
(M4 × 8 mm)  
Installation procedure  
Hexagon Wrench  
(Small)  
Since there are large variety of settings and connections possible according to  
applications, read the instruction manual well to select the proper setting and  
connection.  
1. Remove the ignition key and disconnect the negative · terminal of the  
battery to prevent short circuits.  
2. Set the unit according to the intended usage.  
3. Remove the Dressing cover.  
Dressing cover  
4. Connect the input and output wires of the units.  
5. Connect the speaker wires.  
6. Connect the power wire, power control wire and grounding wire following  
this order.  
7. Install the installation fittings in the unit.  
8. Attach the unit.  
9. Install the remote controller.  
10. Attach the Dressing cover.  
11. Connect the negative · terminal of the battery.  
CAUTION  
• Do not install in the below locations;  
(Unstable location, In a location that interferes with driving, In a location  
that gets wet, In a dusty location, In a place that gets hot, In a place that  
gets direct sunlight, In a location that gets hit by hot air)  
• Do not install the unit under the carpet. Otherwise heat build-up occurs  
and the unit may be damaged.  
• Install this unit in a location which allows heat to easily dissipate.  
Once installed, do not place any object on top of the unit.  
• The surface temperature of the amplifier will become hot during use. Install  
the amplifier in a place where people, resins, and other 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.  
Self-tapping screw  
(ø5 × 18 mm)  
Cooling fan  
Installation board, etc.  
(thickness : 15 mm or more)  
• Do not install near the dashboard, rear tray, or air bag safety parts.  
• The installation to the vehicle should securely fasten the unit to a place in  
which it will not obstruct driving. If the unit comes off due to a shock and  
hits a person or safety part, it may cause injury or an accident.  
• After installing the unit, check to make sure that electrical equipment  
such as the brake lamps, turn signal lamps and windshield wipers operate  
normally.  
Remote controller  
Mounting bracket  
Remote controller  
Self-tapping screw  
2.6 × 12 mm)  
English ꢁ  
 
Connection  
WARNING  
Remove the ignition key and  
disconnect the negative · terminal of  
the battery to prevent short circuits.  
CENTER UNIT  
(CD receiver, etc.)  
RCA cable*  
Power control wire*  
Left input  
CAUTION  
• If sound is not output normally, immediately  
turn power off and check connections.  
• Be sure to turn the power off before changing  
BATT.  
GND  
Hexagon Wrench  
L
REMOTE  
the setting of any switch.  
(Small)  
• If the fuse blows, check wires for shorts, then  
replace the fuse with one of the same rating.  
• Check that no unconnected wires or connectors  
are touching the car body. Do not remove  
caps from unconnected wires or connectors to  
prevent short circuits.  
Ax3]  
PN  
SPER OPUT  
LINE IN LINE OUT  
Hexagon Wrench  
(Small)  
Hexagon  
Wrench  
(Large)  
Right input  
• Connect the speaker wires to appropriate  
speaker connectors separately. Sharing the  
negative wire of the speaker or grounding  
speaker wires to the metal body of the car can  
Use the  
attached  
Hexagon  
Wrench.  
Use the attached  
Hexagon Wrench.  
cause this unit to fail.  
• After installation, check that the brake lamps,  
winkers, and wipers work properly.  
Protective Fuse*  
Battery wire*  
* Commercially available parts  
Subwoofer (L + R)  
(≥2Ω)  
Terminal cover  
WARNING  
When two subwoofers are  
connected. (≥4Ω)  
To prevent fire caused by a short in the wiring,  
connect a fusible link or breaker nearby the  
battery’s positive terminal.  
Ground wire*  
Battery  
Dual voice coil subwoofer  
(4Ω + 4Ω)  
(2Ω + 2Ω)  
SPEAKER OUPUT  
SPEAKER OUPUT  
About the Lead Terminals  
1. Wire Thicknesses  
Hexagon  
Wrench  
(Large)  
You can use wires with the following thicknesses:  
Hexagon Wrench  
(Small)  
Battery wire and ground wire  
Speaker wire  
AWG 4 – AWG 6  
AWG 8 – AWG 12  
10 - 13 mm  
(3/8" - 1/2")  
2. Strip the wire  
Make a cut in the wire sheath (insulator made from vinyl, etc.) at the  
position 10-13 mm away from the end of the wire, and then remove the  
unnecessary portion of the sheath by twisting it.  
3. Install the wire  
Loosen the screw using the supplied hexagon wrench. Insert the  
conductor of the wire in the terminal hole, and then tighten the screw.  
English  
 
Remote cable connection  
Remote cable (6.0 m : 19.7 ft)  
CAUTION  
• Before connecting the remote controller  
cables, always turn the Bass boost level knob  
all the way to the left.  
BATT.  
GND  
L
REMOTE  
R
FUSE [30Ax3]  
P.CON  
SPEAKER OUTPUT  
LINE IN LINE OUT  
Remote controller  
Remote cable  
Multi Amplifier with Remote cable connection  
You can control the Bass boost level of the  
second and subsequent Slave amplifiers  
simultaneously from the Master amplifier.  
The volume level of each amplifier is  
determined by the setting of the Master  
amplifier (INPUT SENSITIVITY, boost level of  
the remote controller).  
LINE OUT  
1
Remote controller  
FILTER  
ON  
2
CENTER UNIT  
RCA cable*  
0.5  
0.3  
3
(CD receiver, etc.)  
4
[
MIN  
]
[
]
MAX  
0.2  
5
INPUT  
SENSITIVITY V  
[
]
OFF  
Power control wire*  
Master amplifier  
Setting the Master amplifier  
1. Adjust the INPUT SENSIVITY to the output  
of the center unit to be connected.  
2. Set the LPF frequency and ISF.  
BATT.  
GND  
L
REMOTE  
3. Turn the LINE OUT FILTER switch ON.  
R
[30Ax3]  
P.N  
SPEAKER OUTPUT  
LINE IN LINE OUT  
FUSE  
Setting the Slave amplifier  
1. Turn the LINE OUT FILTER switch OFF.  
2. Adjust the INPUT SENSIVITY.  
• To adjust the Slave amplifier to the same  
volume as the Master amplifier, adjust the  
INPUT SENSIVITY to 0.2 V (max.).  
LINE OUT  
FILTER  
ON  
1
2
0.5  
0.3  
RCA cable*  
3
4
[
MIN  
]
[
]
MAX  
0.2  
5
Extension wire*  
INPUT  
SENSITIVITY V  
[
]
OFF  
CAUTION  
• Before connecting the remote controller  
cables, always turn the Bass boost level  
knob all the way to the left.  
Slave amplifier  
BATT.  
GND  
L
REMOTE  
* Commercially available parts  
R
FUSE [30Ax3]  
P.N  
SPEAKER OUTPUT  
LINE IN LINE OUT  
LINE OUT  
FILTER  
ON  
1
2
0.5  
0.3  
3
4
[
]
[
]
MIN  
MAX  
5
0.2  
INPUT  
[
]
SENSITIVITY V  
OFF  
Slave amplifier  
BATT.  
GND  
Hexagon Wrench  
(Small)  
L
REMOTE  
Ax3]  
P.CON  
SPEAKER OUTPUT  
LINE IN LINE OUT  
Use the  
attached  
Hexagon  
Wrench.  
English ꢃ  
 
Controls  
30  
150  
1
25  
100  
70  
2
35  
0.5  
0.3  
20  
3
4
50  
200  
15  
40 [MIN]  
[
]
5
0.2 MAX  
LPF  
ISF  
INPUT  
[
]
[
]
[
]
V
FREQUENCY Hz FREQUENCY Hz SENSITIVITY  
LINE OUT  
FILTER  
ON  
OFF  
ꢎ Z  
NOTE  
The control panel locates under the front side  
cover. Remove the cover to access to its controls for  
adjustment. (See page 3)  
Remote controller  
THERMAL MANAGEMENT  
PROTECTION  
BATT.  
GND  
L
REMOTE  
R
[
x
]
3
P.CON  
SPEAKER OUTPUT  
FUSE 30A  
LINE IN LINE OUT  
1 Fuse (ꢁ0 A × ꢁ)  
@ LPF(Low-Pass Filter) FREQUENCY control  
This control adjusts the frequency band output from this unit.  
NOTE  
# ISF (infrasonic filter) control  
If you can’t find the specified capacity fuse at your store etc., consult your  
Kenwood dealer.  
Ultralow frequencies that cannot be reproduced even by a subwoofer  
speaker do not become sound but become unnecessary oscillations, which  
affect the sound by causing distortion, etc. Setting this control cuts the  
frequencies below the respective frequency.  
2 Battery terminal  
3 Power control terminal  
Controls the unit ON/OFF.  
This improves the reproduction performance of the speakers by eliminating  
unnecessary oscillations which will not become sound.  
NOTE  
$ INPUT SENSITIVITY control  
Controls the unit power. Be sure to connect it with all the systems.  
Set this control according to the pre-output level of the center unit  
connected with this unit.  
4 Ground terminal  
5 Speaker output terminals  
NOTE  
As this unit accepts speakers with a minimum impedance of 1 ohm, connect  
speakers with 1-ohm or higher impedance to these terminals.  
For the pre-output level, refer to the <Specifications> in the instruction  
manual of the center unit.  
6 REMOTE terminal  
% LINE OUT FILTER switch  
Connects the Remote cable.  
Changing over the audio signal output to the LINE OUT terminal.  
NOTE  
ON position:  
Use the Remote cable of the accessory.  
The audio signal adjusted when setting LPF, INPUT SENSIVITY control and  
Bass boost (optional accessory) is output to the LINE OUT terminal.  
7 LINE IN terminal  
OFF position:  
8 LINE OUT terminal  
The audio signal input from the LINE IN terminal is output to the LINE OUT  
terminal (through output).  
The audio signal set with the LINE OUT FILTER switch will be output.  
9 BOOST LEVEL (Bass boost level) control  
Sets the level by which the low frequency range should be boosted.  
CAUTION  
The volume of the audio output to the LINE OUT terminal is different in ON  
and OFF position. Remember this when changing the LINE OUT FILTER switch  
from ON to OFF.  
0 Power indicator  
- FREQUENCY (Bass boost frequency) control  
Sets the center frequency around which the low frequency range should be  
boosted.  
= THERMAL MANAGEMENT indicator  
Lights this indicator when the internal temperature is high.  
~ PROTECTION indicator  
Lights this indicator when the protection function is activated. (See page 2)  
! Power indicator  
When the power is turned on, the Power indicator lights.  
English  
 
Troubleshooting Guide  
What might appear to be a malfunction in your unit may just be the result of slight misoperation or miswiring. Before calling service, first check the following  
table for possible problems.  
PROBLEM  
POSSIBLE CAUSE  
SOLUTION  
No sound.  
• Input (or output) cables are disconnected.  
• Protection circuit may be activated.  
• Volume is too high.  
• Connect the input (or output) cables.  
• Check connections by referring to <Protection function>.  
• Replace the fuse and use lower volume.  
• After check the speaker cord and fixing the cause of the short,  
replace the fuse.  
(Blown fuse.)  
• The speaker cord is shorted.  
The output level is too small • The input sensitivity adjusting control is not set to the correct • Adjust the control correctly referring to <Controls>.  
(or too large).  
The sound quality is bad.  
(The sound is distorted.)  
position.  
• The speakers wire are connected with wrong ª / · polarity. • Connect them properly checking the ª / · of the terminals  
and wires well.  
• A speaker wire is pinched by a screw in the car body.  
• Connect the speaker wire again so that it is not pinched by  
anything.  
• The switches may be set improperly.  
• Set switches properly by referring to <Controls>.  
• Connect the Remote Cable securely and correctly.  
The Remote Controller does • The Remote Cable is disconnected.  
not function.  
Specifications  
Specifications subject to change without notice.  
Audio Section  
Max Power Output.........................................................................................................................................................................................................................................2400 W  
Rated Power Output (+B = 14.4 V)  
(4 Ω) (20 Hz – 200 Hz, 1.0 % THD).....................................................................................................................................................................................800 W × 1  
(2 Ω) (100 Hz, 1.0 % THD)....................................................................................................................................................................................................1200 W × 1  
Frequency Response (+0, –3 dB)...........................................................................................................................................................................................20 Hz – 200 Hz  
Sensitivity (rated output) (MAX.) .................................................................................................................................................................................................................0.2 V  
Sensitivity (rated output) (MIN.) ..................................................................................................................................................................................................................5.0 V  
Input Impedance............................................................................................................................................................................................................................................... 10 kΩ  
Signal to Noise Ratio......................................................................................................................................................................................................................................105 dB  
Low Pass Filter Frequency (–24 dB/oct.)..............................................................................................................................................................50 200 Hz (variable)  
Infrasonic Filter Frequency (–24 dB/oct.).............................................................................................................................................................. 15 – 40 Hz (variable)  
Bass Boost Level.....................................................................................................................................................................................................................0 – 18 dB (variable)  
Bass Boost Frequency....................................................................................................................................................................................................40 – 100 Hz (variable)  
Bass Boost Frequency...................................................................................................................................................................................................................................................  
General  
Operating Voltage .............................................................................................................................................................................................. 14.4 V (11 – 16 V allowable)  
Current Consumption ........................................................................................................................................................................................................................................90 A  
Installation Size (W × H × D) .........................................................................................................................................................................................380 × 66 × 286 mm  
..........................................................................................................................................................................................................1214-15/16 × 2-5/8 × 11-1/4 inch  
Weight ................................................................................................................................................................................................................................................5.0 kg (11.0 lbs)  
English ꢅ  
 
 

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