KAC-718
MONO POWER AMPLIFIER
INSTRUCTION MANUAL
© B64-1357-00 (EM)
Safety precautions
2WARNING
To prevent injury or fire, take the following precautions:
•When extending the ignition, battery, or ground wires, make sure to use automotivegrade wires or other wires with a 3mm2 (AWG12) or more to prevent wire deterioration and damage to the wire coating.
•To prevent a short circuit, never put or leave any metallic objects (such as coins or metal tools) inside the unit.
•If the unit starts to emit smoke or strange smells, turn off the power immediately and consult your Kenwood dealer.
•Do not touch the unit during use because the surface of the unit becomes hot and may cause burns if touched.
2CAUTION
To prevent damage to the machine, take the following precautions:
•Be sure the unit is connected to a 12V DC power supply with a negative ground connection.
•Do not open the top or bottom covers of the unit.
•Do not install the unit in a spot exposed to direct sunlight or excessive heat or humidity. Also avoid places with too much dust or the possibility of water splashing.
•When replacing 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 panel gets dirty, turn off the power and wipe the panel with a dry silicon cloth or soft cloth.
2CAUTION
Do not wipe the panel with a hard cloth or a cloth dampened by volatile solvents such as paint thinner and alcohol. They can scratch the surface of the panel and/or cause the indicator letters to peel off.
Accessories
Part name |
External |
Number |
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View |
of Items |
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Round terminal |
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1 |
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(Large) |
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Round terminal |
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2 |
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(Medium) |
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Round terminal |
|
1 |
|
(Small) |
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Terminal cover |
|
1 |
|
(Power terminal) |
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Self-tapping screws |
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4 |
|
(ø4 × 16 mm) |
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2 English
Installation procedure
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.Connect the input and output cables of the units.
4.Connect the speaker cables.
5.Connect the power cable, power control cable and grounding cable following this order.
6.Install the unit in the car.
7.Connect the negative - terminal of the battery.
2CAUTION
•Be sure to turn the power off before changing the setting of any switch.
•If the fuse blows, check cables for shorts, then replace the fuse with one of the same rating.
•Check that no unconnected cables or connectors are touching the car body. Do not remove caps from unconnected cables or connectors to prevent short circuits.
•Connect the speaker cables to appropriate speaker connectors separately. Sharing the negative cable of the speaker or grounding speaker cables to the metal body of the car can cause this unit to fail.
•After installation, check that the brake lamps, winkers, and wipers work properly.
Installation
Self-tapping screw (ø4 × 16 mm)
Installation board, etc. 
(thickness : 15 mm or more)
Since the power amplifier has no parts which require operation, it can be installed at a position away from the driver’s seat without any hindrances.
As generally accepted positions for its installation, places such as inside the trunk, etc. can be considered.
2CAUTION
•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.
•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.
English 3
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