Noticable Constant 196 Hz hum in background of 06.03 Steve Dahl Show

It must be the air conditioning in the basement (studio?) or something, so I will not break balls too much, but there's an audible 196 Hz hum (D string on guitar) in the background - knowing our man's dog-like hearing I'm predicting it gets addressed soon enough, but it's pretty loud at the beginning. Germaine to the Hamilton conversation

This is all I could come up with from a "revolutionary war nudes" search, but it's okay for now. From a more detailed search with basically the same terms