 This provided a muzzle velocity of 820 meters per second (2,690 feet per second).The secondary battery consisted of six L/48 SK C/28 quick-firing guns, also mounted in three twin turrets; two were placed on either side of the forward superstructure, the third was placed aft of the main superstructure, superfiring over the rear main battery turret.These guns were supplied with 900 rounds, for 150 shells per gun, and had a maximum range of .