Kenwood KAC-8401 user manual

User manual for the device Kenwood KAC-8401

Device: Kenwood KAC-8401
Category: Car Stereo System
Manufacturer: Kenwood
Size: 0.95 MB
Added : 4/17/2014
Number of pages: 12
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Abstracts of contents
Summary of the content on the page No. 1

KAC-8401(M) 1English 02.11.14 10:38 AM Page 1
KAC-8401
4-CHANNEL POWER AMPLIFIER
INSTRUCTION MANUAL
© B64-2575-00/00 (MV)

Summary of the content on the page No. 2

KAC-8401(M) 1English 02.11.14 10:38 AM Page 2 Safety precautions Cleaning the unit 2WARNING If the front panel gets dirty, turn off the power To prevent injury or fire, take the following and wipe the panel with a dry silicon cloth or precautions: soft cloth. •When extending the ignition, battery, or 2CAUTION ground wires, make sure to use automotive- 2 grade wires or other wires with a 5 mm Do not wipe the panel with a hard cloth or a (AWG 10) or more to prevent wire cloth dampened by volat

Summary of the content on the page No. 3

KAC-8401(M) 1English 02.11.14 10:38 AM Page 3 Installation Self-tapping screw (ø4 × 16 mm) Cooling fan Installation board, etc. (thickness : 15 mm or more) 2CAUTION • 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 occu

Summary of the content on the page No. 4

KAC-8401(M) 1English 02.11.14 10:38 AM Page 4 Controls / Indicator (W) 40 20 10 1 23 4 5 6 This is a 4 channel amplifier including 2 3 FILTER switch stereo amplifiers in a body. One amplifier is This switch allows to apply high-pass or referred to as amplifier A and the other is low-pass filtering to the speaker outputs. amplifier B. This unit is compatible with a • HPF (High-Pass Filter) position: large variety of systems by combining the The filter outputs the band of higher switches and f

Summary of the content on the page No. 5

KAC-8401(M) 1English 02.11.14 10:38 AM Page 5 7 6 FILTER FREQUENCY control ■ The protection function is When the FILTER switch is set to the HPF activated in the following (High-Pass Filter) or LPF (Low-Pass Filter) situations: position, the threshold frequency can be This unit is equipped with a protection adjusted with this control. function for protecting this unit and your speakers from various accidents or 7 Power indicator problems that can occur. When the power is turned on, the Powe

Summary of the content on the page No. 6

40 KAC-8401(M) 1English 02.11.14 10:38 AM Page 6 Connection ■ Terminal names 89 0 ! @ # $ % ^ amplifier. Otherwise malfunction may 8 Fuse (40 A) result. NOTE # RCA cable ground lead terminal If you can’t find the specified capacity fuse at When using an RCA cable with a ground your store etc., consult your Kenwood dealer. lead attached, connect the ground lead to 9 Battery terminal this terminal. 0 Ground terminal $ LINE IN terminal ! Power control terminal % LINE OUT terminal Controls the

Summary of the content on the page No. 7

KAC-8401(M) 1English 02.11.14 10:38 AM Page 7 ■ Installation procedure ■ Wiring Since there are large variety of settings and • Take the battery wire for this unit directly connections possible according to applications, from the battery. If it's connected to the read the instruction manual well to select the vehicle’s wiring harness, it can cause blown proper setting and connection. fuses etc. 1. Remove the ignition key and disconnect the • If a buzzing noise is heard from the speakers nega

Summary of the content on the page No. 8

KAC-8401(M) 1English 02.11.14 10:38 AM Page 8 Connection ■ RCA cable or Speaker level input connection (RCA cable Connections) RCA cable ground terminal RCA cable* # # $ CENTER UNIT (CD receiver, etc.) B channel A channel Power control wire Left input Left input (Blue/ White) A channel B channel Right input Right input (Speaker level input Connections) Cable Color of the connector White A channel Left White/Black Genuine-accessory car Gray A channel stereo (No line output Right Gray/Black c

Summary of the content on the page No. 9

40 40 40 KAC-8401(M) 1English 02.11.14 10:38 AM Page 9 * Commercially available parts ■ Speaker wire connection (Stereo Connections) A channel @ @ Left speaker Lead terminal* A channel Right speaker B channel Right speaker B channel Left speaker (Bridged Connections) A channel @ Speaker (Bridged) B channel Speaker (Bridged) ■ Power wire connection 90 ! Lead terminal* Terminal cover Extension wire* Battery wire* Ground wire* Protective Fuse* Battery English 9

Summary of the content on the page No. 10

KAC-8401(M) 1English 02.11.14 10:38 AM Page 10 System examples ■ 4-channel system Front Left speaker L L A A (1) Front Right speaker R R CENTER UNIT Rear Left speaker L L B B R Rear Right speaker R 5 4 23 L (2) A 6 R CENTER UNIT L B R 5 4 ■ 3-channel system Left speaker (High pass) L L A (1) A Right speaker (High pass) R R CENTER UNIT Subwoofer (L + R) L L B B (Bridged) R R 5 4 23 L (2) A 6 R CENTER UNIT L B R 5 4 ■ 2-channel system L L Left speaker (Bridged) A A R R CENTER UNIT L L Righ

Summary of the content on the page No. 11

KAC-8401(M) 1English 02.11.14 10:38 AM Page 11 ■ Tri-mode C L L L Subwoofer (High pass) A R R (L + R) (Bridged) CENTER UNIT C C L 5 L L 4 Subwoofer (High pass) B R R (L + R) (Bridged) C 23 ●Principle of Tri-mode Method of frequency band division using a coil and capacitor…in case of 6dB/oct. slope Coil (L): Passes low frequencies and blocks high Crossover Frequency frequencies. (Low pass) 0 dB Capacitor (C): Passes high frequencies and blocks low -3 dB frequencies. (High pass) L C 159000 C

Summary of the content on the page No. 12

KAC-8401(M) 1English 02.11.14 10:38 AM Page 12 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 • Connect the input (or output) (No sound from one side.) disconnected. cables. • Protection circuit may be • Check connections by referring activated. to "Indicato


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