Filter
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Filter Types
The DA7 equalizer can be used in several modes, parametric, high and low
pass filtering, and shelving. Cursor to one of the filter type buttons, and press
the ENTER button.
PEQ Buttons
The [PEQ] filter type is the default setting.
HPF Filter Button
The [HPF] (high pass filter) cuts off low frequencies and lets high
frequencies pass. The Q factor is not applicable here, since everything
below the assigned frequency is cut off. In the [LOW] band the (gain)
soft knob sets the filter on or off, and the (frequency) soft knob
selects the point at which the roll-off starts (selectable between 20 Hz
and 1.6 kHz).
LPF Filter Button
The [LPF] (low pass filter) cuts off high frequencies and lets low
frequencies pass. The Q factor is not applicable here, since everything
above the assigned frequency is cut off. In the [HIGH] band, the
(gain) soft knob sets the filter on or off, and the (frequency) soft
knob selects the point at which the roll-off starts (selectable between 1 kHz
and 20 kHz).
SHL Filter Button
Selecting the [SHL] (shelf low) filter type treats the lowest band (L) of
the EQ much like a bass volume control. Again the Q factor is not
necessary here and is, therefore, not selectable. In the [LOW] band the
(gain) soft knob sets the gain of the selected frequency, and the
(frequency) soft knob selects the point at which the roll-off starts
(selectable between 20 Hz and 1.6 kHz).
SHH Filter Button
Selecting the [SHH] (shelf high) filter type treats the highest band (H) of
the EQ much like a treble volume control. There is no Q factor
necessary here either. In the [HIGH] band, the (gain) soft knob sets
the gain of the selected frequency, and the (frequency) soft knob
selects the point at which the roll-off starts (selectable between 1 kHz
and 20 kHz).
Chapter 7
DA7 Users’ Guide
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Equalizer