A multi-mode envelope filter with extensive tone-shaping capabilities.

The Spectrum Intelligent Filter by Source Audio delivers classic funk tones, synth-like textures, and dynamic auto-wah effects. With dual filter engines, octave blending, and distortion options, Spectrum is a versatile tool for guitar and bass, offering 25 selectable filter types and deep customization via the Neuro Editor.

Key Features

• 25 Filter Types – Includes low-pass, band-pass, multi-pole, and phaser effects.

• Dual Filter Processing – Run two independent envelope filters simultaneously, each with its own envelope response and filter type.

• Octave & Distortion Integration – Add sub-octave blending and drive for synth-like textures.

• Six Onboard Presets – Factory presets inspired by Mu-Tron, Lovetone Meatball, and other iconic envelope filters.

• ALT Button Functionality – The pedal’s four-knob layout controls eight different parameters, accessible via the ALT button.

• Envelope Sensitivity & ADSR Control – Fine-tune attack, decay, sustain, and release settings for precise envelope response.

• Neuro Editor Compatibility – Use the Neuro Desktop Editor & Mobile App to customize parameters, store presets, and access user-created sounds.

• MIDI Integration – Supports preset recall and parameter control via MIDI.

Controls

• Primary Controls:

  • Input Level – Adjusts signal sensitivity.

  • Modulation Depth – Controls filter movement intensity.

  • Frequency – Sets the filter’s starting frequency.

  • Envelope Speed – Adjusts how quickly the filter responds.

• ALT Controls (Accessible via ALT Button):

  • Envelope Sensitivity – Fine-tunes response to playing dynamics.

  • Wet/Dry Mix – Balances filtered and unfiltered signal.

  • Resonance – Adjusts filter peak emphasis.

  • Output Volume – Controls overall level.

Specifications

• Filter Types – 25 selectable envelope filters.

• Inputs/Outputs – Stereo In, Stereo Out, MIDI I/O.

• Power Requirements – 9V DC, 200mA.

• Dimensions – 4.5” x 4.5” x 2”