ðɪs ɐlˈoʊn wʊdhɐv mˌeɪd ðɪ ˈɛndʒɪnz nˈɔɪzi, bˌʌt ðə pɹˈɑːbləm wʌz kɑːmpˈaʊndᵻd baɪ ðə nˈiːd fɚɹə mˈɑːdɪst ɐmˈaʊnt ʌv ˈæftɚbˌɜːnɪŋ ɹᵻhˈiːt æt tˈeɪkˈɔf ænd tɹænsˈɑːnɪk ɐksˌɛlɚɹˈeɪʃən.
This alone would have made the engines noisy, but the problem was compounded by the need for a modest amount of afterburning (reheat) at take-off (and transonic acceleration).