The TC Electronic Crescendo Auto Swell slowly swells up every note to create an authentic violin effect. The analog circuit can be precisely adjusted via the sensitivity and attack controls. While the former controls the use threshold of the effect, the latter allows you to adjust the speed at which sound swells. Last but not least, the True Bypass circuit allows an unaltered transmission of the guitar signal when the effect is switched off.
The TC Electronic Crescendo Auto Swell slowly fades in the sound for a violin-like sound.
The TC Electronic Crescendo Auto Swell at a glance:
Analog Auto Swell Effects Unit for Electric Guitar