Cobalt Core
Ladder character with Drive
Ladder-filter-based processing with Drive saturation inside the filter, Cobalt Color (Now / Vintage), and automatic resonance-linked makeup. Slope steps: 6 / 18 / 24 dB per octave.
CFN / Effect
Cobalt
Filter Neo
Two cores. One focused filter workflow.
A mono/stereo filter for sound shaping, tone control, and creative filter movement. Choose Cobalt Core for ladder character with Drive and Cobalt Color, or Clean Core for straightforward filtering. Switch LPF / HPF / BPF and slope, then place it as a standalone effect or inside Drift Neo's FX rack.
Filter cores
Cobalt Core and Clean Core.
Core selects the processing path. Cobalt Core is ladder-based and character-rich when you add Resonance and Drive. Clean Core stays straightforward when you want cutoff and resonance without nonlinear color.
Cobalt Core is the character path. Raise Resonance and Drive for denser ladder tone, then choose Cobalt Color: Now for a modern, clear Cobalt feel, or Vintage for slight cutoff drift and richer tone shaping. Resonance-linked makeup helps keep output level usable as resonance climbs.
Clean Core
Straightforward filtering
A cleaner response path without nonlinear drive or Cobalt Color. Drive and Cobalt Color controls are disabled. Slope steps: 6 / 12 / 24 dB per octave.
Cobalt Color
Now / Vintage
Available with Cobalt Core only. Now is the default modern Cobalt tone. Vintage adds slight cutoff drift and richer shaping. Switching Core or Color resets internal filter state.
Response graph
Realtime frequency guide
The upper-right graph shows frequency response from 20 Hz to 20 kHz as you move Cutoff, Resonance, Mode, and Slope. With high Drive or Resonance on Cobalt Core, treat it as a guide rather than an exact output match.
Mode and slope
LPF / HPF / BPF with clear rolloff steps.
Choose Filter Mode first, set Slope for rolloff steepness, then shape tone with Cutoff and Resonance. Higher Slope values steepen attenuation near cutoff and tend to emphasize Resonance peaks.
LPF
Low Pass
Cut highs for warm tone and bass processing. A natural starting point for synth and bass filters.
HPF
High Pass
Cut lows for kick cleanup, low-end control, and high-pass sweeps.
BPF
Band Pass
Pass a focused band for radio tone, drum focus, and narrow-band movement.
Slope by Core
| Cobalt Core | 6 dB / 18 dB / 24 dB per octave (default 24 dB) |
|---|---|
| Clean Core | 6 dB / 12 dB / 24 dB per octave (default 24 dB) |
| 6 dB | Gentlest rolloff for natural tone shaping |
| 24 dB | Steepest rolloff for pronounced filter effects |
Sound design path
From Mode to Makeup in four moves.
01
Choose Mode / Slope
Start with LPF for warmth, HPF for cleanup, or BPF for focused bands. Set Slope for how hard the edge hits.
02
Select a Core
Use Cobalt Core when you want Drive and Color. Use Clean Core for EQ-style filtering without saturation.
03
Shape Cutoff / Resonance
Move Cutoff on the log scale (1 kHz near center). Raise Resonance for peaks; add Drive on Cobalt Core.
04
Balance with Makeup
Match output level with Makeup. On Cobalt Core, manual makeup sits on top of resonance-linked compensation.
Starting points by material
| Bass / synth LPF | Cobalt Core + Now - start from Acid Bass or Warm LPF. |
|---|---|
| Kick / low-end cleanup | Clean Core or Cobalt Core HPF - see Kick Cleanup. |
| Clean EQ-style filtering | Clean Core - when Drive is not needed. |
| Narrow-band drums | Cobalt Core + Now BPF - see Drum Radio. |
High Resonance or Drive can raise output level quickly - watch Makeup and DAW meters. Oversampling Off / 2x
(default 2x) reduces aliasing around Drive and high Resonance; 2x increases CPU load and resets filter state
when switched.
Specifications
Version 0.9.0 details.
| Product | Cobalt Filter Neo |
|---|---|
| Version | 0.9.0 |
| Supported OS | Windows 11 64-bit recommended / Windows 10 64-bit or later |
| Formats | VST3 / CLAP |
| Cores | Cobalt Core / Clean Core |
| Modes | LPF / HPF / BPF |
| Slope | Cobalt Core 6 / 18 / 24 dB / Clean Core 6 / 12 / 24 dB |
| Oversampling | Off / 2x (default 2x) |
| GUI canvas | 1080 x 414, scalable with fixed aspect ratio |
| Editions | Demo / Full / zip package (no installer) |
| Developer | Synth Studio Neo / Built with JUCE 8 |
Version 0.9.0 is a published evaluation build. In the Demo edition, audio output fades out safely
after about 15 minutes and becomes silent until you reload. Specifications, sound design, presets,
GUI, parameter layout, and save formats may change in future updates. A macOS version is not
available at this time.