Kenwood KAC-6203 instruction manual Principle of Tri-mode, Example

Page 11

■Tri-mode

CENTER UNIT

1

L

L

 

 

 

 

C

L

 

 

 

 

 

(High pass)

R

 

 

 

 

 

 

R

 

 

 

 

 

 

 

 

 

 

 

C

 

 

 

Subwoofer

(L + R) (Bridged)

●Principle of Tri-mode

Method of frequency band division using a coil and capacitor…in case of 6dB/oct. slope

Crossover Frequency

Coil (L): Passes low frequencies and blocks high frequencies.

0 dB

 

(Low pass)

 

Capacitor (C): Passes high frequencies and blocks low

-3 dB

 

 

frequencies. (High pass)

L

C

159 x R

(mH)

 

 

L=

fc=Cut of Frequency (Hz)

Frequency

fc

 

159000

(μF)

R=Speaker Impedance (Ω)

 

C=

 

 

fc × R

 

 

●Example:

When it is required to set a crossover frequency of 120 Hz using speakers with an impedance of 4 ohms.

Prepare commercially-available coil and capacitor with the closest ratings to the results calculated from the formula above. The capacitor rating should be as close as possible to 331.25 (μF) and the coil rating should be as close as possible to 5.3 (mH).

2CAUTION

•If you wish to bridge-connect a speaker, the speaker impedance must be no less than 4 ohms. Connecting a speaker with an impedance lower than 4 ohms may damage the unit.

•Be sure to connect capacitors to speakers to which high frequencies will be passed. Failure to do so will result in a drop of the combined impedance with the subwoofer.

•Ensure that the withstand voltage and current ratings of the capacitors (C) and coils (L) are sufficient.

English 11

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Contents KAC-6203 Accessories Safety precautionsCleaning the unit To prevent battery riseDo not install in the below locations InstallationInput Sensitivity control Controls / IndicatorFilter switch Power indicatorProtection function is activated in the following situations Line in terminal Speaker level input terminals ConnectionTerminal names Speaker output terminalsCombined impedance Installation procedureWiring Speaker selectionSpeaker level input Connections Cable Color of the connectorBridged Connections Power wire connectionTerminal cover Power control wire Battery wire Protective Fuse Battery Lead terminalLeft speaker Right speaker System examplesChannel system Channel + Subwoofer systemExample Tri-modePrinciple of Tri-mode Output level is too Troubleshooting GuideNo sound Blown fuseGeneral SpecificationsSpecifications subject to change without notice Audio Section
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KAC-6203 specifications

The Kenwood KAC-6203 is a compact and powerful car amplifier designed to enhance the audio experience in vehicles. Known for its reliability and performance, this 2-channel amplifier boasts several key features and technologies that cater to both casual listeners and audio enthusiasts alike.

One of the standout characteristics of the KAC-6203 is its compact size, which allows for flexible installation in various vehicle types without occupying excessive space. Despite its small footprint, it delivers an impressive power output of 60 watts RMS per channel at 4 ohms, and up to 90 watts RMS at 2 ohms. This makes it ideal for powering a pair of high-quality speakers while maintaining clear sound fidelity, even at higher volumes.

Equipped with a MOSFET power supply, the Kenwood KAC-6203 ensures efficient performance and improved thermal management. This technology enables the amplifier to handle demanding audio signals, contributing to a more dynamic and rich listening experience. Additionally, the amplifier features an adjustable low-pass filter, allowing users to easily tailor the output to match their specific audio setup and preferences. This is especially beneficial for those who want to integrate subwoofers into their system, as it helps in controlling the frequencies sent to the lower-end speakers.

Another notable feature is the amplifier's compact chassis, which not only aids in installation but also includes built-in protection circuits that prevent overheating and short circuits, ensuring long-lasting performance and durability. The KAC-6203 also includes a variable input sensitivity control, allowing for seamless integration with various head units and enabling users to optimize sound quality based on their source.

The KAC-6203 is designed with aesthetic appeal in mind, featuring a sleek black finish that complements most modern vehicle interiors. The overall build quality is robust, and the amplifier’s intuitive layout makes it easy to connect and adjust.

In summary, the Kenwood KAC-6203 is a versatile car amplifier that combines power, efficiency, and usability. With features like MOSFET power supply, adjustable filters, and reliable protection mechanisms, it stands out in the market as an excellent choice for anyone looking to enhance their car audio system without taking up too much space or budget. Whether you're upgrading existing speakers or installing a new sound system, the KAC-6203 delivers a significant audio improvement.
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