Features & Setup; Input Filter - QSC RMX Series User Manual

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FEATURES & SETUP

Input filter

WHAT IT IS
The low-frequency (LF) filter rolls off
signals below either 30 Hz or 50 Hz.
This improves bass performance by
limiting sub-audio cone motion,
making more power available for the
speakers' rated frequency range.
The filter settings for each channel are
controlled individually through the DIP
switch settings shown. When the filter
is turned off, a 5 Hz rolloff protects
against DC or deep sub-audio inputs.
WHEN TO USE IT (OR NOT)
As a rule, your speakers will sound
better with proper filtering. Unless
you already have filtering in a
preceding device, match the setting
to the low frequency rating of your
speakers. Vented (bass reflex,
ported, etc.) speakers are especially
sensitive to cone over-excursion at
frequencies below their rated limit.
The 50 Hz filter works well with
most compact full-range speakers,
and has a slight boost at 100 Hz for
greater fullness. The 30 Hz filter is
intended for subwoofers and large
full-range cabinets. The "off"
position should be used only for
applications such as studio playback
monitoring, where you need to know
if there are unwanted sub-audio
signals present in your mix.
CARA
ET LE
Filtres
DESCRIP
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UTILISA
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Le filtre à
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vérifier l'
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