A variant of the typhoon class, she's some 650 feet long and 32000 tons submerged displacement... roughly the same size as a World War II aircraft carrier.

9 seconds sound clip from the The Hunt for Red October movie soundboard.

You can hear this line at 00:35:26.947 in the Blu-ray version of the movie.

Quote context

[...]

- Look, no one understands this material better than you.

- Just give him a rundown on the sub and a precis of the stuff in your hand.

- He's liable to ask some direct questions. Give him direct answers. Tell him what you think. Come on.

- Gentlemen, the last 24 hours have seen some extraordinary Soviet Naval activity.

- The first to sail was this ship, we believe called the Red October in reference to the October Revolution of 1917.

- A variant of the typhoon class, she's some 650 feet long and 32000 tons submerged displacement... roughly the same size as a World War II aircraft carrier.

- We believe that these doors, here on the bow and again on the stern, enclose a unique propulsion system, a magneto-hydrodynamic drive, or caterpillar, that would enable the sub to run virtually silent.

- It is possible that this new drive system allowed the captain, a man named Ramius, their senior and perhaps most respected commander... Do we have his picture available?

- Allowed Ramius to elude one of our attack boats, the Dallas, which trailed Red October from harbor this morning.

- It is also possible that this drive system, if operable, could render the Red October undetectable to our SOSUS warning nets in the Atlantic.

[...]