Yes, I guess I understood, but the way I explained it sounded wrong (as usual)
I was trying to refer to the Alembic 2000 catalog that I got from the Bass center a while back, which describes everything in details, it's nice and informative, I have learnt a lot from it. I see that Series 2 have 7 pieces laminates on the neck, semi hollow body for instance... and it's the only one with those exact features, so I assumed that a Series 2 instruments without the Series electronics, could be still a Series 2 instruments, but with a lighter electronic package, if for instance there was Orion electronics.
Sure, anything, different would be called a Custom model, but I guess, some members like to give their Alembic instruments a model name, Custom sound good to me. I call mine Arialembic (Aria body/wood + Alembic PUs/electronics) LG (my initials) MK2 (my second one), yet its not a Alembic, and certainly not an Aria SB anymore, and if described it to someone I would say that it was originally and Aria that had been upgraded with an Alembic circuit that is similar to the Anniversary (as a guidance only), but would confirm that it is different and as been modified/customized.
I tell you what, the bass is on my lap right now, as I am typing this email, and I soon as I post it, I'll keep going. I am enjoying it very much.