Quote Originally Posted by starrysky
The same goes for "кров" and "кровь" -- they should be read [кроф] and [крофь/кроф']. The end consonant always becomes voiceless and in "кровь" the [f] sound is soft.
I have this dictionary that pronounces these two. They both end in "f" but кровь has a more forceful and drawn out ending, like blowing more air through your lips.