Transparent:   Not coloring the overall sound of your guitar. Allowing the original sound and character of the instrument to shine through, rather than modifying it to sound quite different.  Often used to describe a neutral or clean overdrive pedal.

 

Video Explanation:

Video: The “myth” about “transparent guitar tones”

Video: Unobtania. And Just What Is A Transparent Drive Anyway?

Video: JHS Morning Glory Transparent Overdrive Pedal

 

Effect Pedal Examples:

Klon Centaur Overdrive Pedal

Analogman King of Tone Pedal

JHS Morning Glory Pedal

 

Written Articles:

6 Transparent Overdrive Pedals

 

Fifty Favorite Effect Pedals for Sale:

ClearancePedals.com