Kenwood KAC-746 instruction manual Protection function, Input Sensitivity control

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STEREO position:

The amplifier can be used as a stereo amplifier.

L+R position:

The input left and right signals are combined before being amplified. Use this position when the unit is used for subwoofer speakers or the L+R (monaural) sound is required.

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.)

!INPUT SENSITIVITY control

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.

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.

10

0.50.3

15 1.0

25 MIN

MAX

(W)

 

@RCA cable ground lead terminal

#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.

$Amplifier A LINE IN terminal

%Amplifier B LINE IN terminal

^LINE OUT terminal

These jacks output respectively the signals input to amplifiers A and B. They always output the stereo signals regardless of the position of the OPERATION switch.

Protection function

This unit is equipped with a protection function for protecting this unit and your speakers from various accidents or problems that can occur.

When the protection function is triggered, the Power indicator goes off and the amplifier stops operating.

Power indicator:

When the power is turned on, the Power indicator lights.

If the Power indicator does not light when the power is turned on, the protection function may be activated. Check whether there is any indication of trouble.

The protection function activates in the following situations:

When a speaker output contacts ground.

When the unit malfunctions and a DC signal is sent to the speaker output.

When the temperature of internal parts exceeds 120°C (248°F).

When a ground cable of the center unit (cassette receiver, CD receiver, etc.) or this unit is not connected to a metal part serving as an electrical ground passing electricity to the battery's negative - terminal.

Power indicator

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Contents KAC-746 Part name External Number View Items Safety precautionsAccessories 2CAUTION Installation procedureInstallation Controls Filter switchOperation switch Protection function @ RCA cable ground lead terminal # Input Selector switchInput Sensitivity control Protection function activates in the following situationsRCA cable connection ConnectionSpeaker level input connection Center UnitPower terminal Power and Speakers cable connectionBridged 2WARNINGSystem examples Specifications Troubleshooting guideSpecifications subject to change without notice Audio Section

KAC-746 specifications

The Kenwood KAC-746 is a powerful and versatile 4-channel car amplifier designed for those who are serious about enhancing their in-car audio experience. With its sleek design and robust performance, this amplifier is an ideal choice for car audio enthusiasts looking to elevate their sound system.

One of the standout features of the Kenwood KAC-746 is its impressive power output. It boasts a maximum power rating of 760 watts, delivering an RMS power of 70 watts per channel at 4 ohms. This ensures that your speakers receive enough power to produce clear and dynamic sound, making your favorite music come alive.

The KAC-746 incorporates advanced technologies for enhanced audio performance. It utilizes a Class AB amplifier architecture, which provides great efficiency while delivering high-quality sound. This class of amplification is known for its ability to produce low distortion levels, ensuring that audio remains faithful to the original recording. This results in a well-balanced audio output with robust bass and crisp highs.

Another significant characteristic of the Kenwood KAC-746 is its extensive compatibility with various audio systems. It features both low-level (RCA) and high-level (speaker wire) inputs, making it easy to connect to any car audio system, regardless of whether it has a built-in amplifier or not. Additionally, the speaker-level inputs allow for seamless integration with factory radio systems, making it an excellent upgrade choice for any vehicle.

The amplifier also features built-in high-pass and low-pass filters, allowing users to customize the audio output to suit their preferences. These filters can enhance sound quality by minimizing distortion caused by unwanted frequencies. This level of customization ensures that the KAC-746 can produce the kind of audio that users desire, whether they prefer booming bass or crystal-clear treble.

Durability is another aspect where the KAC-746 shines. It's designed with a heavy-duty aluminum chassis, which not only contributes to its sleek appearance but also aids in heat dissipation, ensuring reliability even under heavy use.

In conclusion, the Kenwood KAC-746 is an exceptional choice for car audio enthusiasts looking to upgrade their sound system. With its powerful output, advanced Class AB amplification, extensive compatibility, customizable filters, and durable design, it delivers performance that can satisfy even the most demanding audio preferences.