And THAT is why we buy Alembics!!!  
 
You can get whatever spacing it comes with from any number of excellent builders.
 
You get whatever spacing YOU want from Alembic.

Have to agree with Dave's point about the differences between fours and more-than-fours.  Comfort taper on a four seems very normal to me, but comfort taper on a 5-6 seems outrageously wide at the bridge in my hands.