Malström Overview Overview (1) Filter Envelope This is an ADSR-style envelope generator that can be applied to either or both of the filters. As with the Subtractor's "Mod Envelope" filter, there is a knob for Amount and an Invert button. For a Filter to be affected by the Filter Enveloge generator, the Filter's env button switch needs to be turned on. Global Controls | Mod A / Mod B | Osc A / Osc B | Filter A / Filter B | Shaper | Filter Envelope | Volume / Spread Malström Overview | Malström Tutorial Home