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Manual Kenwood KAC-7251

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  • Kenwood KAC-7251 - page 1

    KA C-7251 KA C-7201 © PRINTED IN CHINA B64-2569-00/00 (KV/EV) POWER AMPLIFIER 7 page 2-13 INSTR UCTION MANU AL AMPLIFICATEUR DE PUISSANCE 7 page 14-25 MODE D’EMPLOI AMPLIFICADOR DE POTENCIA 7 página 26-37 MANU AL DE INSTR UCCIONES Take the time to read through this instruction manual. Familiarity with installation and operation procedures will ...

  • Kenwood KAC-7251 - page 2

    2 English Safety precautions To prevent injury or fire, take the following precautions: •W hen extending the ignition, battery, or ground wires, make sure to use automotive- grade wires or other wires with a 5 mm 2 (AWG 10) or more to prevent wire deterioration and damage to the wire coating. • To prevent a short circuit, never put or leave any ...

  • Kenwood KAC-7251 - page 3

    English 3 Installation • 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 ...

  • Kenwood KAC-7251 - page 4

    4 English Controls / Indicator 12 3 45 (W) 20 40 10 1 LPF FREQUENCY control Sets the cutoff frequency when the FILTER switch is set to LPF. 2 FILTER switch This switch allows to apply high-pass or low-pass filtering to the speaker outputs. • HPF (High-Pass Filter) position: Only frequencies of 150 Hz or higher are output. (Frequencies below 150 H ...

  • Kenwood KAC-7251 - page 5

    English 5 7 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 is activated in the following situations: This unit is equipped with a protect ...

  • Kenwood KAC-7251 - page 6

    6 English Connection 30 30 89 0 ! @ ^ & $% # 8 Fuse (30 A × 2) 9 Battery terminal 0 Ground terminal ! Power control terminal Controls the unit ON/OFF. Controls the unit power. Be sure to connect it with all the systems. @ Speaker output terminals • Stereo Connections: When you wish to use the unit as a stereo amplifier, stereo connections ar ...

  • Kenwood KAC-7251 - page 7

    English 7 ■ Installation procedure 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 ...

  • Kenwood KAC-7251 - page 8

    $ & # GND # ^ CENTER UNIT (CD receiver, etc.) Left input Right input RCA cable ground terminal 8 English RCA cable* Connection Power control wire (Blue/ White) ■ RCA cable or Speaker level input connection Genuine-accessory car stereo (No line output center unit etc.) ACC Battery Car fuse box White White/Black Gray Gray/Black Left Right Cable ...

  • Kenwood KAC-7251 - page 9

    30 30 30 30 @ @ @ English 9 ■ Speaker wire connection Lead terminal* (Stereo Connections) Left speaker Right speaker (Bridged Connections) Speaker (Bridged) 30 30 90 ! Battery Ground wire* Battery wire* Protective Fuse* Lead terminal* ■ Power wire connection * Commercially available parts Extension wire* Terminal cover KAC-7251/7201(KE) 1Englis ...

  • Kenwood KAC-7251 - page 10

    10 English System examples L R L R L R L R L R L R L R L R L R L R L R LINE OUT ¡ ¡ ™ ™ ¡ ™ ¡ ™ 23 4 23 4 23 4 23 4 CENTER UNIT ■ 2-channel system ■ High-power 2-channel system Right speaker Left speaker Right speaker (Bridged) Left speaker (Bridged) ■ 2-channel + Subwoofer system Subwoofer (L + R) (Bridged) CENTER UNIT CENTER UNI ...

  • Kenwood KAC-7251 - page 11

    English 11 L R L R L C C 23 4 ■ Tri-mode CENTER UNIT (High pass) Subwoofer (L + R) (Bridged) ● Principle of Tri-mode Method of frequency band division using a coil and capacitor…in case of 6dB/oct. slope L C 0 dB -3 dB Coil (L): Passes low frequencies and blocks high frequencies. (Low pass) Capacitor (C): Passes high frequencies and blocks lo ...

  • Kenwood KAC-7251 - page 12

    12 English Tr oubleshooting 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. (No sound from one side.) (Blown fuse.) The output level is too small (or too large) ...

  • Kenwood KAC-7251 - page 13

    English 13 Specifications Specifications subject to change without notice. Audio Section Max Power Output ............................................................................................................80 0 W × 1 Rated Power Output Normal (4 Ω ) (20 Hz – 20 kHz, 0.08 % THD) .......................................................... ...

Manufacturer Kenwood Category Car Stereo System

Documents that we receive from a manufacturer of a Kenwood KAC-7251 can be divided into several groups. They are, among others:
- Kenwood technical drawings
- KAC-7251 manuals
- Kenwood product data sheets
- information booklets
- or energy labels Kenwood KAC-7251
All of them are important, but the most important information from the point of view of use of the device are in the user manual Kenwood KAC-7251.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Kenwood KAC-7251, service manual, brief instructions and user manuals Kenwood KAC-7251. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Kenwood KAC-7251.

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A complete manual for the device Kenwood KAC-7251, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Kenwood KAC-7251 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Kenwood KAC-7251.

A complete Kenwood manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Kenwood KAC-7251 - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Kenwood KAC-7251, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Kenwood KAC-7251, that we can find in the current document
3. Tips how to use the basic functions of the device Kenwood KAC-7251 - which should help us in our first steps of using Kenwood KAC-7251
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Kenwood KAC-7251
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Kenwood KAC-7251 in a specific country, if it was not possible to solve the problem on our own.

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