Ray Teret, 72, was freed on strict bail conditions until mid November when he will appear at the city's Crown Court.
Teret, a former pirate radio DJ, spoke only to confirm his name and address during the 30 minute hearing.
He stood with his hands clasped in front of him listening as the lengthy list of charges were put to him. No pleas were entered.
Teret is accused of 32 offences in all, involving 14 youngsters and one adult victim, who was aged 17 at the time of the alleged offence.
He is charged with 15 counts of rape of a female under 16, one count of rape, one count of attempted rape of a female under 16, six counts of indecent assault of a female under 16, three counts of indecent assault of a female under 14 and one count of gross indecency with a child under 13.
Teret, of Woodlands Road, Altrincham, also faces two counts of conspiracy to rape a girl under 16, one count of possession of extreme pornography, one count of possession of prohibited images and one count of possession of an indecent image of a child.
He was bailed until November 15, to appear at Manchester Crown Court.