Freq.
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Red: Combined frequency response
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Grey: Subwoofer
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Black: Main speakers
The phase relationship between subwoofer and satellite speakers is dependent on their relative distance to the
listening position and on the working principles of the satellite speakers. The figure above shows a case in which
the phase of the subwoofer and satellite speakers is incorrect in the critical overlap area, thus reducing acoustic
output in the listening room in that region.
To find the correct phase setting
1. Play a bass-rich track which also covers the overlap area.
2. Toggle the Phase switch between 0° and 180°. Choose the setting with which you experience the most consistent bass.
Note
The phase cannot be set if the subwoofer is in slave mode. In this case the phase is controlled by the setting
of the master subwoofer.
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Professional Audio Subwoofers User manual
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