Saturation refers to overloading electrical components of analogue gear which then introduces harmonic distortion and compression.

Reasons to use saturation:

1. Adding Density:

2. Glueing Effect:

3. Smooth Peaks:

4. Imparts Character:

Saturation types and its examples:

1. Tape Saturation:

2. Tube Saturation:

3. Transistor Saturation: