Baltimore Sonic Research Institute GEOMETRY STACKS "Free Shipping in the US"

BSRI Geometry Stacks is a new analog BBD flanger design with a unique footswitchable extended delay time mode for dramatic flange effects on the fly. In traditional BSRI fashion it also features flexible controls for adjusting the voice of the flanger effect and the mix polarity to cover a wide array of classic modulation effects and some new ones too.