[keithpeter]

https://dl.dropbox.com/u/8403291/cr.mp3

A real carriage return

https://dl.dropbox.com/u/8403291/ring.mp3

The little bell is harder because you tend to type a couple of characters during its decay

Freesound has plenty of typewriter samples.

[mahesh_rm]

This [for newline] keeps up with the app aurea and it's short enough to solve decay problems: http://www.freesound.org/people/orginaljun/sounds/153063/

[keithpeter]

Yes, bit lower and less 'ringy' than the manual typewriters I used for years but fits in with the clicks used for the characters. Nice find