noun
old recording; old platter
Refers to an older musical recording, typically on vinyl or shellac, or the physical disc itself. Can also mean an old bowl or platter, but this usage is less common.
祖父の家で旧盤のレコードを見つけた。
I found old records at my grandfather's house.
この旧盤は貴重な音源だ。
This old recording is a valuable sound source.