Guitar AmpsElectric guitars and guitar amp always form a unit. The now famous sound is possible only in the combination of both devices. In the early days of guitar amplifier design was basically a clean sound is desired, which was difficult to implement with the then-dominant tube technology. The distortion of the tube were in the early days absolutely undesirable. Today it is still difficult to prove that the guitarist played loud on purpose, to generate the distorted sound, or whether they had to play loud and distorted sound created unintentionally - in any case has exactly the sound that dominated classical amplifier to date. As yet it brought the first Marshall amp with tubes already in the preliminary stages of the market was distorted even then have been playing at the lowest volume possible.