I have a acoustic b200 bass amp, a fender MIM jazz, a dean edge fretless with barotlini's

and 3 boss effects that i use through my effects loop on my amp. I want to get a warmer tone out of my rig and was wondering if putting a markbass momark t1m tube preamp in my effects loop would give me the tone that im looking for or am i just gonna have to get a better amp? or is there another cheaper option than a new amp? if you have answers please post them.