At the same moment a well-known voice above him pronounced these words: "Colonel, I want to speak to the people."
"Listen to me to the end," said the Professor in his well-known lecturing voice.
Here our ears were greeted with the sound of well-known voices.
"It is a lovely evening, my dear Watson," said a well-known voice.
"Best leave the girl to me," said a well-known voice.
And a well-known voice broke in upon her rapture.
I would use a well-known voice, a household name - maybe Lovejoy.
The well-known voice from within stopped him in mid-word.
Her hand was just raised to knock, when from within came the sound of a well-known voice.
The Garibaldino, motionless, seemed to drink in the sound of the well-known voice.