Omnitronic XO-23S Active crossover User Manual download pdf (Page 17)

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The device must only be connected with an electric installation carried out in compliance with the IEC-

standards. The electric installation must be equipped with a Residual Current Device (RCD) with a maximum

fault current of 30 mA.

STARTING UP

Make sure to power-up before your power amplifier is turned in order to avoid loud transients which could

damage your speakers or annoy your audience.

System test

After connecting all cables, you should carry out a system test. Press all four Mute-buttons in order to mute

all outputs.

Activate the HF-outputs first. In case of wrong cabling, HF-signals will come out of bass-speakers that cannot

be harmed this way. Vice versa, the LF-signals would destroy your HF-speakers.

OPERATION

Front panel

Channel A and B are identical.

1. POWER Switch

Turns power to the crossover on and off. Be sure to power-up before your power amplifier is turned on to

avoid loud transients which could damage your speakers or annoy your audience.

2. INPUT LEVEL Control

To adjust the input level from -

∞

to +6 dB.

3. LOW CUT Selector

This switch activates the highpassfilter and allows you to cut down unwanted low frequencies.

With the Low Cut-function, you can attenuate all signals below 30 Hz. Please keep this button pressed if you

do not need these extremely low frequencies at any rate. If your speaker-system does not support these

frequencies, there is danger of speaker damage!

4. PHASE Control

This control reverses the polarity of the Low output.

5. LOW OUTPUT LEVEL Control

Controls the output level of the Low band from -

∞

to +12 dB.

6. MUTE Switch

Mutes the Low band.

7. XOVER FREQUENCY Control

This control adjusts the crossover frequency between Low and High bands.

8. HIGH OUTPUT LEVEL Control

Controls the output level of the High band from -

∞

to +12 dB.

9. MUTE Switch

Mutes the High band.

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Omnitronic XO-23S Active crossover User Manual Page 17

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