Just get a CRT with speakers instead, and then that's basically the same thing, with the bonus that it wiggles and your eardrums split open when you play anything at a volume higher than 10
Don't bother with the tty. If experienced chess players can play entire games in their heads, why can't you just do the same to use a computer? Just type away and use your superior power usering skills to visualize the output in your head.