Catalinbread Sabbra CadabraA custom tuned Rangemaster based booster combined with the pre amp section of a Laney Supergroup and carefully voiced together to get the riffs of doom that Tony Iommi is known for. Four controls allow you to fine tune the response to your guitar and rig Range, Gain, Presence, and Volume. If you're familiar with Sabbath's live album, Past Lives, then you'll know where we were going with this pedal huge, raw, responsive! This circuit is optimized for