Warm:  Typically used to refer to a darker, rounded tone that doesn’t sound harsh. This term is commonly interchanged with “analog” or “tube.”  Many guitarist say a reverb, chorus and delay effect pedal adds warmth by thickening the tone.

 

Video Explanations:

Video: How to Add Warmth to Guitar Tone

Video: “How to Make a Dark Sounding Guitar Sound…Brighter”

 

Fifty Favorite Effect Pedals for Sale:

ClearancePedals.com