Nilfisk-ALTO 3.4 user manual X o v e r

The values can be set in the following ranges:

~

~

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5.3.3 Xover

Low-pass and high-pass filters.

Made up of a combination of a low-pass filter and high-pass filter, the crossover allows to divide the audio signal into segments that can be used by the individual section of a sound system (for example High, Mid & Low).

X o v e r

Each Xover has 2 slightly different pages (one for each filter), where the name of the output it affects and the type of filter are shown.

O P 1	L P F	T h r u
1 k 0 0 H z		0

Output 1 - Low Pass Filter

O P 1 H P F T h r u

1 k 0 0 H z

Output 1 - High Pass Filter

Low Pass Filter

The low-pass filter allows all the frequencies below a specific frequency to pass, whereas it cuts all the frequencies above it.

High Pass Filter

The high-pass filter allows all the frequencies above a specific frequency to pass, whereas it cuts all the frequencies below it.

LPF

HPF

LPF HPF

Signal segment obtained with the combination of LPF and HPF.

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