Topmusicanswers
Mod is short for modulation. Modulation in guitar etc. effects include chorus, flange, vibrato and phase. All of which adapt the original sound, with delay and pitch changes, usually working in tandem, to produce those various effects.
What is the gain knob for on an amp?
The purpose of a gain control is to tune the amp's input stage to accept the head unit's voltage level. ... Amp gains work the same way – too low, and the background noise, or “hiss” takes over Too high, and music becomes distorted even at a normal volume level.
What does the EQ knob do?
The EQ knobs on your amp control your overall balance of tone. EQ is a way for you to shape your tone in a very controlled manner. It gives you a way to dial in Normally guitar amps have three EQ knobs: Low/Bass, Mid, High/Treble. Some amps even have a fourth EQ knob to give you more control: presence.
