Usng the ProChannel for Upright Bass

What is the tempo of your tune?

tvolhein

... but would like more mids and a little more punch.  I am new to this.


'Punch- and 'I am new to this. As always, an experiment first -with attack.
Start at a nice low ratio (2:1's fine) for this to highlight just how much of the impact and effect lives in the first hundred ms or so. 
Lets say 40ms attack and 100 release (relatively fast so it is not covering up much of the compression effect here) for a start and enough reduction so you hear the effect.
Now go from real fast (5-10ms say) right on out through 200. You'll likely find a huge change in reduction so reset the threshold.
Looking at the bass waves attack is playing with the window within, around or partly, you are letting those leading peaks through (or not.
Increasing 'punch sometimes means having the comp let them through and then clamping down, then adding some level. (Body', sustain deemphasized, attacks highlighted- Carful very low ratio expansion works sometimes on bass for this as well.
Sometimes we think we might want 'punch but just having a thing more consistent let's us then raise the track.
On the mid tones thing I'd say if it's flabby, too heavy', dip, shelve and/or hi pass to get the bottom in line, then see if you still need to look for lifts.