Proton

The Proton by 3Leaf Audio is an envelope filter pedal designed as a modern homage to the classic Mutron III envelope filter. It features a wide frequency response that complements various instruments. The version 3 of the Proton has increased input sensitivity to work better with low-output instruments and adds a tone knob for variable control over the filter cutoff frequency.

Key Technical Specifications:
- Power Requirement: 9V DC, 25mA minimum
- Power Connector: 2.1mm center-negative (Boss-style) plug
- Warranty: Guaranteed against defects for one year
- Bypass: Relay-based silent true bypass that automatically switches to bypass mode if power is lost

Key Features and Controls:
- Gain: Adjusts the response of the filter to playing dynamics
- Peak: Controls the "wetness" of the filter sound
- Decay: Sets the time it takes for the filter to sweep
- Tone: Provides variable control over the filter cutoff frequency
- Sweep: Determines the direction of the filter's sweep
- Wide frequency response suitable for all instruments

The Proton by 3Leaf Audio is known for its ability to generate funky tones in the style of the Mu-Tron III, making it a versatile and expressive tool for musicians and audio enthusiasts.