EMBER (DIY 12AX7 TUBE PEDAL)

Style / sound GAIN BIAS CLIP TONE LEVEL Character Warm clean (always on) 5 (0–10) 50 TUBE 55 (50–60) 65 (60–70) Clean with tube color, light compression Boosted clean 20 55 (50–60) TUBE 60 75 (70–80) Pushed clean that drives the amp into crunch; high LEVEL acts as a boost Blues / dynamic crunch 30 (25–35) 35 (30–40) TUBE 45 (40–50) 60 Tube saturation that cleans up when rolling back the guitar volume British overdrive (classic rock) 40 60 ASYM 65 (60–70) 65 (60–70) Forward mids, even harmonics, warm BIAS for compression American overdrive 35 (30–40) 40 TUBE 40 50 More open and darker, tube only Modern overdrive 50 50 SYM 55 (50–60) 65 (60–70) Tight symmetrical clipping, defined chords British distortion 65 65 (60–70) ASYM 65 (60–70) 55 (50–60) Full distortion, long sustain, bright American distortion 75 (70–80) 50 SYM 40 55 (50–60) Dense and dark, full lows, tight rhythm playing Modern distortion (metal / metalcore) 85 (80–90) 60 SYM 55 (50–60) 55 (50–60) High gain, tight palm-mutes Hi-gain 100 75 (70–80) SYM 55 (50–60) 50 Maximum gain and compression Liquid lead 80 75 (70–80) ASYM 45 (40–50) 55 (50–60) Singing sustain, soft attack Fuzz-like 100 5 (0–10) SYM 30 50 Cold BIAS: hard, edgy saturation, gating on the tail