Advanced commercial range burner

A gas-fired burner system comprising:

• a cylindrical burner housing forming a premixed fuel/air opening;
• a cylindrical burner ring having a top end and a bottom end disposed within said burner housing forming at least one row of a plurality of vertically elongated slots and forming an annular space between said cylindrical burner housing and said burner ring;
• an upper annular ring extending between said cylindrical burner ring and said cylindrical burner housing connected with said top end of said cylindrical burner ring and a lower annular ring extending between said cylindrical burner ring and said cylindrical burner housing connected with said bottom end of said cylindrical burner ring, thereby enclosing said annular space;
• secondary air flow restriction means for controlling flow of secondary air comprising a substantially planar ring disposed within an interior space enclosed by said cylindrical burner ring, adjacent to said cylindrical burner ring, and at a distance vertically below a vertical disposition of said vertically elongated slots, said substantially planar ring having a plurality of ring fingers extending into a center space enclosed by said substantially planar ring;
• and
• a multi-finger grate having alternating long and short fingers disposed above said cylindrical burner housing.