Your bass is long-scale, right?
If so, then whatever brand of strings you decide to use, I think it’s a good idea to measure your existing strings to make sure the new ones will fit.
You can check the required string length by measuring the string from just inside the ball-end to where the string passes over the nut.
I have a long-scale Series bass constructed similarly to yours, and depending on the string brand, I need to have extra long scale strings. This has been the case with GHS and D’Addario strings. I think most of the brands other members recommend will fit, but I’d definitely double check for TI, and Pyramid too. Long scale strings from Fodera, DR, Dunlop and SIT fit this instrument fine. I haven’t tried Ernie Ball strings on this particular bass, but I tried placing a spare Slinky against it and it just barely fits. Actually, it’s a bit too close for me, and I only checked one string.
I’ve used Ernie Ball Slinky strings on my other Alembics, and they’re OK, but it seems like they lack depth. I tried the Cobalts once, and they were pretty cool (took a while for that smell to go away), but my next set had a bad string, so I gave up on the Cobalt round wounds. I plan on trying the Cobalt flats real soon.
I haven’t found one string that I like on all basses, but I’m always exploring. I also tend to gravitate toward nickel round wound strings, but it really depends on the bass. DR Sunbeams, SIT Foundations and D'Addario NYXLs have worked well for me recently.
Good luck with your search.
-nate.