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STEREO/BRIDGEABLE POWER AMPLIFIER
KAC-6203
INSTRUCTION MANUAL
© B64-3356-00/00 (MV)
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Safety precautions Cleaning the unit 2 WARNING If the front panel gets dirty, turn off the power and To prevent injury or fire, take the following wipe the panel with a dry silicon cloth or soft cloth. precautions: • When extending the ignition, battery, or ground 2 CAUTION wires, make sure to use automotive-grade wires Do not wipe the panel with a hard cloth or a cloth or other wires with a 5 mm² (AWG 10) or more to dampened by volatile solvents such as paint thinner prevent wire deterior
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Installation Self-tapping screw (ø4 × 16 mm) 330 mm 204 mm Ø4.6 Installation board, etc. (thickness : 15 mm or more) 2 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
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Controls / Indicator 40 2 30 20 10 (W) 1 2 1 FILTER switch 3 Power indicator This switch allow filtering of the speaker output When the power is turned on, the Power indicator signals. lights. If the Power indicator does not light when the • OFF position: power is turned on, the protection function may The original sound without filtering is output. be activated. Check whether there is any indication • LPF (Low-Pass Filter) position: of trouble. Only frequencies of 80 Hz or lower are output
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3 ■ The protection function is activated in the following situations: 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. • When a speaker wire may be short-circuited. • When a speaker output contacts ground. • When the unit malfunctions and a DC signal is sent to the speaker output. • When the
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40 Connection ■ Terminal names 4567 8 9 0 4 Fuse (40 A) 9 LINE IN terminal 5 Battery terminal 0 Speaker level input terminals NOTE 6 Ground terminal • The genuine-accessory car stereo shall have a 7 Power control terminal maximum power output of no more than 40 W. Controls the unit ON/OFF. • Do not connect the speaker output leads from NOTE a power amplifier (Optional) to the speaker level input terminals of this unit, for this may cause Controls the unit power. Be sure to connect it with
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■ Installation procedure ■ Wiring Since there are large variety of settings and • Take the battery wire for this unit directly from the connections possible according to applications, read battery. If it's connected to the vehicle’s wiring the instruction manual well to select the proper harness, it can cause blown fuses etc. setting and connection. • If a buzzing noise is heard from the speakers when 1. Remove the ignition key and disconnect the the engine is running, connect a line noise fi
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Connection ■ RCA cable or Speaker level input connection (RCA cable Connections) 9 RCA cable* CENTER UNIT (CD receiver, etc.) Power control wire (Blue/ White) Left input Right input Speaker level input cable (Speaker level input Connections) Genuine-accessory car Cable Color of the connector stereo White (No line output center unit Left etc.) White/Black Gray 0 Car fuse box Right Gray/Black Battery ACC 8 English
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40 40 40 * Commercially available parts ■ Speaker wire connection (Stereo Connections) Left speaker 8 8 Lead terminal* Right speaker (Bridged Connections) Speaker (Bridged) 8 ■ Power wire connection 567 Lead terminal* Terminal cover Power control wire Battery wire* Ground wire* Protective Fuse* Battery English 9
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System examples ■ 2-channel system Left speaker L L CENTER UNIT Right speaker R R 1 ■ 2-channel + Subwoofer system ¡ Left speaker L L Right speaker R R CENTER UNIT L L Subwoofer (L + R) (Bridged) R R ™ 1 ¡ ™ 1 10 English
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■ Tri-mode L C L L Subwoofer (High pass) CENTER UNIT (L + R) (Bridged) R R C 1 ● 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 frequencies. Crossover Frequency (Low pass) 0 dB Capacitor (C): Passes high frequencies and blocks low -3 dB frequencies. (High pass) L C 159 x R L= (mH) fc fc=Cut of Frequency (Hz) Frequency 159000 R=Speaker Impedance
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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) cables. (No sound from one side.) disconnected. (Blown fuse.) • Protection circuit may be activated. • Check connections by referring to . • Volume is too high.
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Specifications Specifications subject to change without notice. Audio Section Max Power Output ........................................................................................................................................................................ 600 W Rated Power Output Normal (4 Ω) (20 Hz – 20 kHz, 1 % THD) .....................................................................................................100 W × 2 Normal (2 Ω) (1 kHz, 1 % THD) ............................
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