Frap Tools 321 knobs or for a more permanent

or for a more permanent application using the provided screws

presence and output to your amp

smoother-sounding spring reverb

Item Number: 4177

Frap Tools 321 knobs or for a more permanentThe 321 includes the most useful functions always needed in every patch, to edit and combine dynamically the signals in use. It is composed of three identical sections, the red, yellow and green, where each of those is capable of scaling any signal, from 0 up to 2 times (+6dB), flip its phase, and apply a DC offset, allowing to shift your audio or CV up or down. In case no signals are connected to the section input, the offset may act as a CV source