TURNS KNOBS, MACHINE HUMMING - Sound Effect

45 seconds sound clip from the Back to the Future movie soundboard.

You can hear this line at 00:03:28 in the Blu-ray version of the movie.

Quote context

[...]

- Hello! Anybody home?

- Einstein, come here, boy. (WHISTLES)

- What's going on? Oh, God.

- Oh, Jesus! That is disgusting.

- Where the hell is he?

(TURNS KNOBS, MACHINE HUMMING)

(ELECTRIC GUITAR NOTE PLAYS)

- Whoa!

- Rock 'n' roll.

(ALARM RINGING)

[...]