nˈɔːɹθ ʌvðə kɐθˈiːdɹəl, wɪðˌɪn ðə kˈoːɹtjɑːɹd, ɪz ɐ fɹˈiːstændɪŋ θɹˈiːstˈoːɹi bˈɛl tˈaʊɚ dˈeɪɾɪŋ fɹʌmðə wˈʌn θˈaʊzənd fˈoːɹhˈʌndɹɪd twˈɛnti fˈaɪv ɹˌiːkənstɹˈʌkʃən baɪ kˈɪŋ ˌælɪɡzˈændɚɹ ˈaɪ. lˈɑːɹdʒli dᵻstɹˈɔɪd baɪ ðə pˈɜːʒən ʃˈɑː ˈæɡhə moʊhˈæmɪd kˈɑːn kˈædʒɑːɹ ɪn wˈʌn θˈaʊzənd sˈɛvənhˈʌndɹɪd nˈaɪnti fˈaɪv, ɪt wʌz ɹᵻstˈoːɹd tʊ ɪts pɹˈɛzənt kəndˈɪʃən ɪn nˈaɪntiːnhˈʌndɹɪd θˈɜːɾi nˈaɪn.
North of the cathedral, within the courtyard, is a freestanding three-story bell tower dating from the 1425 reconstruction by King Alexander I. Largely destroyed by the Persian shah Agha Mohammad Khan Qajar in 1795, it was restored to its present condition in 1939.