Is this a slab fretboard?
This is my 2012 Squier CV, but i saw it in also in other 2-tier basses, like Essex and Sterling (vs Fender or MusicMan) so not sure if it is a premium feature:
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In my understanding, a fretboard is a slab board when it is sufficiently thick and the side that joins the maple neck is cut straight, as is the corresponding part of the neck to which the board is glued.
The term is used to differentiate from a round laminated fretboard where the surface of the neck and the underside of the fretboard are curved with the same radius. I have posted a picture of both types side by side a few posts up.
The term is (again, in my understanding) mostly used when referring to the fretboards of vintage basses, as the slab rosewood fretboard was only used from 1958 to 1963. From 1963 on, Fender built their basses with round laminated rosewood boards.
This changed again in the early '80s, when the fretboards were again cut straight, but you normally do not hear people refer to that as a slab board. It is just the default on a modern Fender, and the only kind worth explicitly mentioning is the round lam, as used in Fender instruments from the '60s and '70s.
So if you hear someone refer to a bass with a slab fretboard, they most definitely do so to state that the bass does not have a round lam board, which was the default kind of rosewood fretboard in most of the '60s and the '70s.
So, yes and no. Yours is a modern style fretboard that could be called a slab fretboard in a certain context. As i assumed in my earlier post, the use of the term in the Player II marketing copy is probably there to express the vintage inspiration for the design, and to have one more bullet point when the series is compated to the predecessor.
I prefer the round lam, because I find it more elegant. Generally spoken, a slab board is not neccessarily more desirable or a premium feature, unless the instrument is from the '60s, as then it is a sure sign of a pre-CBS instrument.
All of this info is to my best knowledge as a Fender fan. If I got something wrong, please feel free to chime in and correct me.