sentence: Some amplifiers are made to add controlled distortion.
sentences_before: When an amplifier tries to make the sound louder than it can, it adds distortion to the sound.
sentences_after: Distortion from transistors sounds different than distortion from tubes. Distortion from tubes is often said to be more musical. Because of all this, more expensive amplifiers often add controlled distortion with tubes.
concept_name: amplifier
headings: Amplifier How it works
categories: Electronic musical instruments Electronics Audio technology