ABSYNTH 5 Reference Manual – 68
Main Panel
All lowpass lters in ABSYNTH 5 contain the following parameters on their Main panel:
• FrequencycontrolandFrequencymenu: The Frequency control allows you to set the cut-
off frequency in semitones (Trans) or in Hertz (Hz), upon the selection in the nearby
Frequency menu.
• Resonancecontrol: Sets the resonance at the cutoff frequency.
•
Dampingcontrol: Allows you to balance out the volume level. If the signal level at the
lter output seems too weak, increase this value.
Feedback Panel
Furthermore, the lter types LPF 2 Pole, LPF 4 Pole and LPF 8 Pole are equipped with a
feedback loop. Its function and parameters are detailed at section 5.5.3 “Feedback Loop
and Feedback Panel” above.
5.5.5 Highpass
Highpass Filter HPF -12dB
Highpass lters permit all frequencies above a cutoff frequency and suppress the frequencies
below it. Their remaining functions are identical to those described for the lowpass lters in
the section 5.5.4, “Lowpass”, above.
The following highpass lters are available in the Type menu:
• HPF-6dB: 1-pole highpass lter.
• HPF-12dB: 2-pole highpass lter with resonance control.
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