Manuals / Audison / Car Audio and Video / Car Amplifier

Audison LRX 4.300 CLK2 LRx Cooling Kit, Subsonic Filter CUT-OFF Frequency Modification, Procedure

Models: LRX 4.300

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ACCESSORIES

CLK2 – LRx Cooling Kit

This cooling system is specially designed to provide LRx amplifiers with the right working temperature.

CLK2 should be used when LRx amplifiers work in extremely hard conditions (very low loads) or in installations where space is too narrow and heat sink cooling is not enough. It consists of two units to apply onto the amplifier sides; each of them is provided with an electronically controlled fan. Its intervention depends on a thermal sensor that starts the system as soon as LRx heat sink reaches 45°C. The same sensor is connected to a special circuit which controls the two fans speed progressive increase when temperature increases, too.

Air flux constant control allows the amplifier very good thermal stabilization and limits noise.

SETTING PANEL

SUBSONIC FILTER CUT-OFF FREQUENCY MODIFICATION

Subsonic filter is pre-adjusted at 20 Hz. In order to modify this value, please act according to what follows.

Procedure:

 

 

 

 

 

 

 

 

 

 

 

Replace FS1, FS2, FS3, FS4 resistors

 

 

 

 

 

 

 

 

 

 

 

according to the values in the setting

 

 

 

 

 

 

 

 

 

 

 

panel table.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

mm

Remark: Cut the new resistors

 

 

 

 

 

 

 

 

5

 

 

 

 

 

 

 

 

rheophores according to the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10 mm

 

 

 

size in the picture.

 

 

 

 

 

 

 

 

 

VCA-VCA1D MODULES INSERTION

LRx 4.300 can accept one of the three optional kits which allow the subwoofer volume remote control: VCR01K, VCRAK or VCRDK.

These kits have a specific module, VCA or VCA1D, to insert into the amplifier through the setting panel.

REMARK: Sub volume remote control function is on only when X-OVER switch, in the setting panel, is ON.

Installation:

1 - Remove BYP12 bridge.

2 - Insert VCA/VCA1D module.

- Insertion key. It prevents the module from being inserted in the wrong way.

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Audison LRX 4.300 manual CLK2 LRx Cooling Kit, Subsonic Filter CUT-OFF Frequency Modification, VCA-VCA1D Modules Insertion
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LRX 4.300 specifications

The Audison LRX 4.300 is a powerful and versatile four-channel amplifier designed for high-performance car audio systems. Its robust build and advanced technologies make it a favorite among audiophiles looking to elevate their listening experience on the road.

One of the standout features of the LRX 4.300 is its superior power output. Delivering an impressive 4 x 75 Watts RMS at 4 ohms, this amplifier is capable of driving the most demanding speakers while maintaining clarity and dynamic range. Whether you're powering a full range of components or simply looking to enhance your existing setup, the LRX 4.300 delivers ample power along with exceptional sound quality.

The amplifier incorporates Class AB technology, which is known for offering a warm and detailed sound. This class combines the efficiency of Class D with the high fidelity of traditional Class A amplifiers, resulting in low distortion and high linearity. This means that whether you're listening to soft jazz or heavy metal, the LRX 4.300 preserves the nuances, ensuring a rich listening experience.

Another notable feature is its flexibility in channel configuration. The LRX 4.300 can be used in various setups: as a full four-channel amplifier, or two channels driving high-frequency components while bridging the other two channels for use with a subwoofer. This versatility allows users to customize their systems based on individual preferences and requirements.

Advanced technologies also play a significant role in this amplifier's performance. The built-in crossover system offers both high-pass and low-pass filters that enable precise tuning of each driver. This ensures that each component receives the right frequencies, optimizing overall sound quality and avoiding distortion.

Additionally, the LRX 4.300 features an impressive signal-to-noise ratio, which helps to minimize unwanted noise, further enhancing the clarity of the audio. Its compact design allows for easy installation in various vehicle types, without compromising on available space.

In conclusion, the Audison LRX 4.300 stands out in the competitive car amplifier market due to its powerful output, excellent sound quality, and versatile configurations. Whether for casual listening or serious sound enthusiasts, this amplifier meets the demands of any audio system, ensuring an immersive sound experience on the go.