10.6

Table Of Contents
144Logic Pro Instruments
4. In the central modulation section, set the Attack, Hold, and Decay knobs to zero, set
Sustain to around 75%, and Release to around 0.065. You may also want to adjust the
Attack knob in the performance controls section if the attack phase of the sound is too
slow or too quiet.
Play the keyboard to hear a simple synth bass sound.
Adjust filters to tweak a sound in Alchemy
1. In Logic Pro, change the filter 2 Cutoff and Resonance settings in the main filter section
to the right of the sources while playing.
2. Click the Filter type menu to experiment with different filters.
3. Enable filter 1, and try different settings.
4. Adjust the Par/Ser knob to hear how this affects the sound when the filters are used in
series or in parallel.
Drag the framing bracket in the performance controls to hear variations of your tweaked
sound.