Happy Valley Analog Ivy Drive Screamer with boost

Description

This is a tube screamer based dual channel overdrive with an independent boost control.  F
eatures a 3 way clipping switch: symmetrical, asymmetrical, and no clipping.
Bright and full switches for added tonal options.  T
he boost can be used independently and can be switched from before or after the overdrive.
Controls: boost, drive, tone, and volume.