Yes, but you are going to need around 172 Agi (Dex helps, of course, by a little, you still need 170ish Agi anyways) to reach 190 Aspd without a single Doppel. This is assumed that you are using Berserk Potion, Adrenaline Rush, and an One-handed Axe.
Aspd = 200 - (A*B) = 190 <- As you wanted.
A = (250-X-(Y/4))*(200-Aspd Base)/250 <- Formula for A(Delay).
B = 1 - Speedmodifier <- Formula for B(DelayDecrease).
Speedmodifier = 1-(0.3+0.2) = 0.5 0.3 and 0.2 are Adrenaline Rush and Berserk Potion, respectively.
A = (200-190)/B = 20 <- So to reach 190 Aspd with the given conditions, we need A to be 20.
[250 - X - (Y/4)]*(200-135)/250 = 20 X and Y stand for Agi and Dex points, respectively. 135 is just the Aspd you get with an One-handed Axe initially, without any Agi and Dex.
I dont know whats your Agi and Dex, so you have to plug in the numbers yourself.
If you are not lazy, read through this http://irowiki.org/wiki/ASPD and find out.