Erica Synths Graphic Resonant Filterbank

Erica Synths Graphic Resonant Filterbank is an analog resonant filter bank.

The Graphic Resonant Filterbank is a unique 10-band analog filter with digital control over the gain/decay of each band. Each band can be individually controlled manually or via CV, and complex resonance loop configurations turn the filter bank into an unconventional multimode filter and even a standalone instrument at various resonance settings.

Key features and specifications:
- 10 analog filters ranging from 63 Hz to 16 kHz
- Digital control over the gain/decay of each band
- Preset saving with filter settings, resonance, and modes
- Separate outputs for even, odd, and all bands
- Manual and voltage control of band gain/decay
- Customizable resonance loops for nonlinear effects
- Manual and CV control of resonance
- Event synchronization input with master clock
- Multi-mode multimode filter
- Spectral analyzer mode
- Dynamic spectral compressor mode
- Discrete and smooth pattern switching
- Configurable CV inputs
- Option to add Expander module for manual band adjustment
- Band filter frequencies 29Hz, 61Hz, 115Hz, 218Hz, 411Hz, 777Hz, 1.5kHz, 2.8kHz, 5.2kHz, 11kHz +-10%
- 128 presets
- Panel width 20HP
- Depth 30mm