Drive-Bi Rust Guitars a Dry Blend control allows

a Dry Blend control allows you to add in some clean signal to bring back low-end note definition and articulation

- yellow LED

and eventually into a few stages of treble-boosting to give you a beautiful bright sound

Diode / Asymmetric  -  more compression and bites

think of Roy Buchanan

Drive-Bi Rust Guitars a Dry Blend control allowsThe Drive Bi is a dual channel, op amp gain circuit. Designed to cover medium to high level amp style drive that is extremely dynamic and raw. Low channel adds grit, sustain, and overdrive to your amp while still pushing output. Hi gain mode expands low end, saturation, and output compression for huge warm tones. This is one of the most natural sounding gain pedals on the market. Great for solo boosts as well. VOLUME Controls effect output GAIN Amount