9b11f552____Final_Fantasy_X_2_Item_List__Location
[Name] Crimson Sphere 4 [Description] Appears to be part of some kind of record. [Location] 
Go to Leblanc's Chateau in Guadosalam in Chapter 3 and enter the secret underground area at the back of the main room. Head down the pathway and take the first left, enter the circular room and climb up the boxes on the left side, walk along the ledge that circles the room to find a chest containg the Crimson Sphere!
Final Fantasy World - Final Fantasy X-2 Item List
Location