Nomad Design Madscad 190 Autotune Sinking Lures 190MMMadscad 190 Autotune Sinking Product Description The Madscad 190 Autotune (AT) is a unique trolling lure that offers exceptional speed and action. It can troll at speeds between 3 18+ knots, with a shallow diving depth of 1 3 ft. The patented Autotune System ensures perfect balance, resulting in maximum troll speed and huge action. The Madscad 190 AT is part of the Nomad Design Heavy Duty Squall Runner High Speed Trolling series, featuring a full