I think that I may have gotten a dead B string. I am not sure because I am playing through a small practice amp. GK MB 210 won't be here for another two weeks.

All I get from the string is a super dull thud not a warm resonating low tone. It has a somewhat better sound in the upper registers. Suggestions? Wait until I get a better amp, contact the reseller for a replacement (this is a $39!! string) or "What did you expect it's a flatwound."