session drummer:disabling velocity levels

How do i remove the velocity levels implied by session drummer?
on first glance an easy question, but i'll explain my quest further....

I am aware how to program multiple layered velocity samples assigned to midi notes over a range of midi velocities, using SFZ files.
However, it appears that session drummer applies control of the playback/ouput levels of samples relative to the midi velocity.

Assuming i have multi-samples of a drum hit they will naturally have increasing volumes as the drum is hit harder, as youd expect from a "real" drum.
Couple this with the velocity level applied by session drummer and my drum samples sound less authentic.
I get the sum of the recorded output-level of the drum plus the controlled output level of the session drummer kit-piece.

If i adjust all the samples so they have the same level output, therefore letting session drummer control the output level, any ambience recorded is inconsistent.

So, what i am asking, is how can i make session drummer output the same volume level for a set kit piece but playback various samples (defined in my SFZ file) realted to midi velocity?

hope that makes sense and someone can assist.

thanks

many thanks.
this is exactly what i was looking for.
greatly appreciated!

blimey, yep, it has been a while. (in fact that long, i'd forgotten about it)
As i mentioned in my last post, it did work and got me the results i was seeking.
good luck