| Maker | Nonlinear Circuits |
|---|---|
| Type | Vactrol LP/HP filter |
| Mounting | Through-hole |
| Width | 8 HP |
| License | Proprietary (No licence published) |
| Difficulty | 🌡️ Medium through-hole |
Clone of Korg FK-1. A filter with a core based on the Korg FK-1 pedal, similar to the filters in the 700, 770 and 800DV synths. Uses vactrols as the variable resistors, with low pass and high pass stages in series.
Documentation
Links
This is a third-party open-source design, listed here as a build reference. Specs are researched from public sources; check the source repo and store for the current BOM, panel, and revision before ordering parts. Corrections welcome.
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