In Belle Epoque Paris, the showrooms of the main talking machines brands (Gramophone, Pathé, Columbia, Odeon, APGA) were located boulevard des Italiens.
Here is a 1899 drawing of Pathé Salon du Phonographe (1899-1913) located at number 26. See the Salon du Phonographe in Disquaires de Paris.
Source: Bulletin phonographique et cinématographique, november 1899 – Gallica.