He helped the team win the bronze medal at the 1954 FIBA World Championship and was also part of the Leo Prieto-coached squad that participated at the 1956 Summer Olympics. He was also part of the team which defended their Asian Games title in the 1958 edition of the games. Carbonell played for the Philippine team which finished in eight place in the 1959 FIBA World Championship. He then led the team to a title a year later at the 1960 ABC Championship.