<aside> ⚠️ This panel is in the extended section of Oberheim OB-1. To view it, click the outward arrows icon in the header bar.
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Oberheim OB-1 comes with four built-in effects; High-Pass Filter, Chorus, Delay & Reverb. Each of these effects can be turned on or off via the red LED in the top left of each effect section. It’s also possible to lock any or all of the effects so that you retain your current effects settings even when changing patches. To activate the Lock, click on the padlock at the top-right of each effect, whereupon it’ll become ‘greyed out’.
This is the high-pass filter's cutoff frequency. When set at 0, there is no frequency attenuation. The filter has a set Q factor to boost frequencies around the cutoff frequency.
Fine-tuning for the high-pass filter's cutoff frequency.
Set the high-pass filter's filter tracking from 0% up to 100%
Set the filter as a 2-pole or 4-pole filter.
The chorus depth is defined as the intensity of which the chorus modulates. Depth is specifically the range between the maximum and minimum values.
The chorus rate denotes the speed at which these shifts occur from maximum to minimum (i.e. Chorus Depth).
The chorus mode display is related to how pronounced and prominent the modulation is. Higher mode (intensity) settings create a more noticeable and "bigger" chorus effect, while lower intensity settings produce a subtler, more transparent effect.