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Table Of Contents
Choosing a Series or Parallel Filter Configuration in the ES2
Click the Parallel/Series button to switch between a parallel and series filter routing. When
either is chosen, the entire circular filter element of the ES2 user interface rotates, and
the positions and direction of the filter controls clearly indicate the signal flow. The button
name also changes in each mode.
Series filter signal flow Parallel filter signal flow
In the figure to the left, the filters are cabled in series. This means that the signal of all
oscillators (combined at the Oscillator Mix Triangle) passes through the first filter, and
then this filtered signal passes through Filter 2—if Filter Blend (see below) is set to 0, the
middle position. The output signal of Filter 2 is then sent to the input of the dynamic
stage (Amplifier section).
In the figure to the right, the filters are cabled in parallel. If Filter Blend is set to 0, you’ll
hear a 50/50 mix of the source signal—routed via Filter 1 and Filter 2. The output signals
of the two filters are then sent to the input of the dynamic stage.
Filter Blend: Cross-Fading Between the ES2 Filters
You can use the Filter Blend slider to cross-fade between the two filters when cabled in
parallel. Filter Blend can have a significant effect on the ES2 signal flow. See The Impact
of Filter Blend on the ES2 Signal Flow.
When Filter Blend is set to its top position, you’ll only hear Filter 1.
If Filter Blend is set to its lowest position, you’ll only hear Filter 2.
65Chapter 5 ES2