Hello Pete and hammer!!
Not sure about the brand. They're roundwound 45's. I'll buy Elixer's for it in a few months.
I tuned/intonated my bass the first day I had it. That was almost 2 weeks ago, and..I've only tuned it once since! The Schaller's get down to micro-tones. So much more accurate than the large type tuner.
First thing I noticed about playing the bass was the low F, in the warmup run I do sounded pronounced, compared to other bass guitars.
Bright is good, imo. You can always add bass, but..that natural brightness can't be replaced with circuitry. I recorded with an Essence once in a real studio. The guitar and drums tracks sounded 2nd generation compared to the bass(and the guy behind the controls wasn't a bassist).
take care hammer, and thanks for the info Pete