Ringing sound Firing 12 ga. vh (1928)

[J.B. Books]

Shoot that gun enough and the ringing sound will go away, along with the sound on the television, the phone and peoples voices.

[Bob Jurewicz]

Its already gone. Wear electronic protectors now.
Bob Jurewicz

[Wild Skies]

I've heard that ringing, too; it was the toplever.