Radio Classic FM, also known as "Alma Mater ClassicA" (Алма Матер КласикА) is a Bulgarian radio station which focuses on classical music.

It is broadcast from Radio relay and television station "Sofia" on a frequency of 88 MHz.

bTV Media Group is part of the Central European Media Enterprises (CME) family, which is owned by the international company PPF Group.

Since September 5, 2006, Radio "Alma Mater" broadcast a joint program with Classic FM under the name of "Radio Alma Mater - Classic FM".

[3] Since the first of January, 2023, the name of the program broadcast on 88.0 MHz was changed to "Alma Mater ClassicA".