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LEM DX 24 - Type of Filter; Crossover Frequency; Phase

LEM DX 24
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33
Each filter has the following editable parameters:
Type of filter
Allows to choose three different types of filter and different attenuation slopes:
Butterworth (But) at 6, 12, 18 or 24dB per octave,
Bessel (Bes) at 12, 18 or 24dB per octave,
Linkwitz-Riley (LR) a 12, 24 or 48dB per octave.
By setting the Thru value, the filter is disabled and the signal passes without its frequency being al-
tered.
OP1 LPF Bes 24
1k00Hz
Φ
Crossover frequency
Allows to choose the filter cutoff frequency.
OP1 LPF Thru
1k46Hz
Φ
Phase
Allows fine control (in 5° steps) of the signal’s phase.
The effect of this control is summed with that of the Output Polarity function (0°÷180°).
In this way it’s possible to adjust the phase of each individual output with 5° steps through a full 360°.
N.B.: this control is only in the Low-Pass Filter window.
OP1 LPF Thru
1k00Hz
Φ
18O°
The values can be set in the following ranges:
NAME TYPE SLOPE FREQ PHASE
Thru
But Butterworth 6, 12, 18, 24 dB/oct
Bes Bessel 12, 18, 24 dB/oct
LR Linkwitz-Riley 12, 24, 48 dB/oct
Thru
HiSh 6 Butterworth 6, 12, 18, 24 dB/oct
HiSh 12 Bessel 12, 18, 24 dB/oct
Notch Linkwitz-Riley 12, 24, 48 dB/oct
XOVER
LPF
HPF
15.6Hz ÷ 16kHz
15.6Hz ÷ 16kHz
0° ÷ 180°
(step 5°)
EDIT menu

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