The RED SUN is an analog fuzz / distortion with controls for GAIN, TONE, and LEVEL. Not for the faint of heart, this bad boy has the potential to scorch some eardrums.
The pre-distortion GAIN control actually allows you to get your signal above the fuzzy floor, allowing for clean chords and attacks to cut through the mess. It also makes possible those effortless long sustains and feedback or, when coupled with a maximum TONE setting, a gnarly crunch.
Low TONE settings, on the other hand, give the option of cutting off some of the edge, giving a smoother, darker distortion.
Like a feverish mirage seen by the lost desert traveler, the Red Sun will leave you stumbling after your musical oasis.