There is something special about a Keeley Modded Blues Driver. There’s something even more remarkable about Andy Timmons’ tone. Coincidence? We think not. Since his exposure to this Keeley modded stompbox early on, it has been virtually glued to Andy’s board. The Super AT Mod Overdrive captures the magic of the original Blues Driver Phat Mod with the addition of AT Mode. Chord work and harmonies are cleaner and tighter now, without reducing gain. Main features:  Andy Timmons Signature Overdrive Effects Effects Pedal Limited to 1000 pcs. worldwide Provides slightly broken up/clean tones and amp-like overdrive Amp-in-a-box that adds Asymmetrical tube-style clipping using JFET transistors Based on the Keeley Blues Driver circuit Phat Mod Added Tone switch provides 2 Modes o AT - Andy Timmons mode voiced - for Humbuckers with lower mid-bass frequencies for tighter more transparent response o Phat - for single coils - adds slight bass boost True Bypass Switching Made in Edmond, USA Powered by a regular 9V DC PSU Asymmetrical Tube Clipping The new Super AT Mod Overdrive features a return to RK's original clipping style, a 20 year old modification first performed in the Keeley Blues Driver Phat Mod. If you want a drive pedal that responds just like a tube amp, this is it. The topology of the pedal is similar to classic California tube amps, we simply use JFET transistors in place of tubes. Nothing has been left out, even the filtering of an amp's tone stack is designed into the pedal. It's an amp-in-a-box, only better because it's Keeley developed with the guidance of Andy Timmons! New Tone Switch There is a new circuit design for the Tone Switch employed in the Super AT Mod. The new AT-mode is voiced for humbuckers and features lower mid-bass frequencies for tighter, more transparent response. The original Keeley PHAT-mode stands ready to put more power behind your favorite single coil equipped guitar. Either way, the Super AT Mod has got y