If the bass and pickup don't sound good together, all amps are terrible. The OP could buy a WW and not get a good sound.
Well, since I got my first Walter Woods Amp (a MI-100-8)
I've owned a Underwood, A Fishman BP-100, and the Realist.
Now, the Realists sounds the best, and the Underwood is the runner up, but frankly, although the BP-100 has that nasty midrange nasal quality the Woods would EQ some of that garbage out. It just couldn't work miracles.
I
And I like the MB150 and have gotten a good tone out of the Hartke kickback. YMMV etc, etc............
As long as it's a MBS I'm there with you, although I really loved both the earlier 200MB in both it's incarnations (better DB friendly EQ). Personally, I've never had any luck with a Hartke Kickback. But, the one I tried using belonged to Webster University and frankly, it had been through the wringer.
1) As fingers said, Realists fail and when they fail, they either don't work at all, or sound weak and nasally when they do. They are also sensitive to fit so be sure there are no gaps between the foot, pickup and top.
David Gages' rep admitted as much to this in a previous thread several years ago on Talkbass ( it's difficult to find amongst all the new threads). Four years is a pretty good life span expiration date for the Realist, although this time is variable.
2) Full Circle is the prescription for a pickup that almost always sounds good, so consider that.
Chris's new poll is supporting this.
3) Fdeck HPF filter for proper pickup loading, phase correction and roll-off of low frequency junk.
This little box is the best dang device to come along in years and it's also the most reasonable.
Your problem is pickup/bass related much more than amp related. IMO, work on the front end and your amp may be just fine for quite awhile.
Well, in the stream of things if you don't have your ducks in order with a decent bass and pickup, then you're absolutely correct, you can't get a decent amp sound regardless of the amp. However, lots of DB players use Acoustic Image, Euphonic Audio, Gallien Krueger, Genz Benz, and Walter Woods Amps because a great pre amp will take you a long way to a great sound. Hartke's and SWR's IMHO, IME just aren't capable of producing the same quality of sound. Just my opinion though.
Ric