You can visit this shop. It is near Souq Al-jaber roundabout. The name of the shop is Al-Badie
studio & Store and it has alot of music equipments such as Classic & Electric Guitars, Drums, Pianos and alot more.

Contact this guy there, his name is Rami and he is the only one who can help you there.

Al-Badie Studio & Store
Tel:4423554