NEW in box with factory warranty AMT Electronics TC-1 Tube Cake 1.5 Watt Amplifier.The AMT Tube Cake Amplifier Series pedals were designed to emulate the warm, tight, punchy sound of tube power amplifiers; but without the drawbacks such as high cost, large size, heavy weight, and the need for periodic expensive tube replacement. Save hundreds and thousands of dollars, and compact your rig with one of the Tube Cake pedal power amplifiers.