Rapid acceleration and deceleration of the Swedish Analog Technologies – SAT – XD1 Record Player ‘heavy platter is one of the advantages of the powerful direct drive motor. Before one can drop the needle, the platter is up to speed – no need to wait even a second. The sophisticated algorithms used to control the angular velocity of the platter, combined with the high torque capabilities of the motor, enable a quick and unobtrusive speed adjustment that translates into stable pitch and explosive transients.