The GrandMeister Deluxe 40 combines all-tube tones and smart control features in a supremely playable package. On top of its plethora of amazing sounds, every knob and switch setting on GrandMeister Deluxe 40 can be easily saved, stored and recalled at the touch of a button, and the studio-quality on-board effects settings are saved right along with the gain and EQ knob values.