KSpeak.log
http://pastebin.com/ST7M9pzN
crash.log
http://pastebin.com/r4UkZZd1
And yes - the device is jailbroken.

I played around with the PW3s native TTS speech engine in the past, but this error seems to be unrelated..
I'm on 5.8.2 - so an older version of the firmware - but not that old.