Jami` at-Tirmidhi 200
جامع الترمذي#200Da'ifحَدَّثَنَا عَلِيُّ بْنُ حُجْرٍ، حَدَّثَنَا الْوَلِيدُ بْنُ مُسْلِمٍ، عَنْ مُعَاوِيَةَ بْنِ يَحْيَى الصَّدَفِيِّ، عَنِ الزُّهْرِيِّ، عَنْ أَبِي هُرَيْرَةَ، عَنِ النَّبِيِّ صلى الله عليه وسلم قَالَ " لاَ يُؤَذِّنُ إِلاَّ مُتَوَضِّئٌ " .
Abu Hurairah narrated that :Allah's Messenger said: "None should call the Adhan except for one with Wudu
Scholarly Authentication
The label above is the grade most of these scholars gave, each scholar counted once — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. When they judged only its chain of narrators (“Isnaad”), the label says “Sound chain”. Each scholar's own wording:
Our source also lists this ruling under Ahmad Muhammad Shakir, the editor of the printed edition it was taken from. It is al-Albani's ruling printed again, so it is counted once.
In-book reference: 2:52