I find the description of the controls and saying that "giving deep bottom" adds shimmer to be confusing as hell
In my experience One Control's descriptions in English of their pedals read like pretty good translations from Japanese, but never perfect. They always seem a little like poetry to me.
Though I don't know for a fact what the CRB circuit is doing, I can report how it is to operate its controls.
- Volume is the master output level
- Brilliance is quite subtle
- Gain is very impactful
- Gain and Brilliance aren't truly interactive, but they act on the source sound relative to each other
- Scale is king. There are even scales within scales (e.g. Brilliance < Gain < Volume). In my brief experience of Björn Juhl's work, this is a signature BJF design technique. All his Blueberry-based circuits capitalize on that approach. Spence uses this approach in his Vulcan Bass Overdrive. In the CRB, Gain sets the scale of the overall frequency spectrum by setting the bass boost, within which Brilliance seems more effective or less (depending on the Gain setting). Not rocket science, but it is critical to mastering this pedal's usefulness.
- If you are familiar with the Blueberry Bass Overdrive (BBBOD), then you know that its Nature control is a sort of tilt EQ. In the CRB's sound design structure, you could think of it as being like a BBBOD with no Drive plus a tilt EQ that tilts only in the bass direction. Continuing that comparison, but substituting the BBBOD-based Über Bee OD, you could think of the CRB's Brilliance control as being like the UBOD's Treble, though much more subtle.
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