Fender Limited Edition Tone Master Deluxe Reverb Guitar Amplifier, CocoaFender magic isn't always in the tubes sometimes it's in the ones and zeroes like with this Fender Special Run Limited Edition Tone Master Deluxe in a tasty cocoa wrap and wheat grille. The Tone Master series, a bold step for the Fender brand utilizing massive digital processing power to replicate the authenticity of real tube amplifiers, has covered quite a bit of ground and today receives a refreshed wrap with this Fender Special Run model.