By virtue of their electrical properties, tubes generate a special waveform when they're saturated, which is why tube engineering has tremendous tonal advantages over solid state or DSP solutions, particularly for crunch and lead sounds. Tubes enter the saturation zone gradually or softly, which lends tube-driven tone its trademark yet totally unique character.
View post (pinch harmonics?)
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i thought they were the same thing. Just picking the string and letting your skin on your thumb just touch the string. Which is an artificial harmonic and also can be called a pinch harmonic. Thats what i thought. Oh well, as long as i can do them :)
