Halakhah for Rosh Hashanah 53:11

התם נמי נעביד דכסף אפילו הכי כבוד יו"ט עדיף

[If that is so] we should use silver in the other case also? - Even so, this consideration is outweighed by that of paying respect to the holyday. R'Papa B'Samuel was minded to follow the instructions of the Mishnah,<span class="x" onmousemove="('comment',' I.e., to use both shofar and trumpets.');">¹⁹</span> but Raba said to him, These instructions were laid down only for the Sanctuary.

Sefer Mitzvot Gadol