Expansion:Settingthecontrols￿￿￿￿

Threshold sets the level below which expansion takes place. Signals above the threshold will remain unaltered. Turning the control anticlockwise raises the threshold level and allows more of the signal to be expanded. A low threshold would be used to reduce noise, a higher threshold to increase the dynamic range of a signal.

Ratio is the 'strength' of expansion below the threshold level. The higher the ratio, the greater the effect.

At an expansion ratio of 2:1, the effect is mild and suitable for subtle noise reduction or dynamic range enhancement. At higher ratios the effect becomes harder and more like a noise gate. The light bar graph indicates the amount of gain reduction taking place.

Attack sets the time the Expander takes to respond once the signal has passed below the threshold. This can be done automatically, the circuitry continuously analysing the signal to determine optimum attack time. Or it can be set to a fixed value of 2ms.

Release determines the time taken for the gain to return to normal after the signal comes back above the threshold level. For hard gating, this may be set to a short value. Longer release times are suitable for dynamic range enhancement or subtle noise reduction.

Gain is the output level control for the entire channel, Compressor, Expander and Limiter. The output level light bar graph meter indicates output level when the channel is switched in circuit. When the channel is bypassed, the meter indicates INPUT level.

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Klark Teknik DN500 manual ExpansionSettin g the controls
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DN500 specifications

The Klark Teknik DN500 is a professional audio processing unit recognized for its versatility and outstanding performance in live sound and studio environments. A part of the prestigious Klark Teknik product lineup, the DN500 is designed to provide audio engineers with advanced solutions that enhance sound quality and simplify workflow.

One of the standout features of the DN500 is its intuitive graphical LCD interface, which allows for easy navigation through menus and real-time monitoring of settings. Users can quickly adjust parameters and visualize changes, making it easier to achieve desired audio processing outcomes. The unit is equipped with robust 24-bit/192 kHz digital converters, ensuring high-resolution audio performance that captures even the most subtle nuances in sound.

The DN500 also features comprehensive equalization capabilities. With its 31-band graphic EQ, users can fine-tune their sound to perfection, allowing precise control over frequency response in both live and recorded settings. The innovative Auto EQ function intelligently analyzes the audio input and suggests adjustments, further streamlining the EQ process.

In addition to equalization, the DN500 incorporates advanced dynamic processing technologies, including compressors and limiters. These tools help manage audio levels effectively, preventing unintended peaks and ensuring a consistent sound across various performances. The unit also offers multiple routing options, allowing audio engineers to integrate it seamlessly into existing setups with minimal disruption.

Another notable characteristic of the DN500 is its rugged construction. Designed for reliability in demanding environments, it features a sturdy chassis that withstands the rigors of touring and live performances. The DN500 is also equipped with extensive connectivity options, including balanced XLR inputs and outputs, making it compatible with a wide range of audio equipment.

Overall, the Klark Teknik DN500 is a powerful audio processing unit that delivers high-quality sound and user-friendly features. Its combination of advanced technologies, robust construction, and flexible routing options make it an essential tool for audio professionals, whether in studio settings or on the live stage. With the DN500, users can achieve exceptional sound quality, paving the way for memorable audio experiences.
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