A dado blade will work fine if you are dadoing with the grain, less so if the dado is cross grain. A stacked set (blades and chippers) tends to give a flatter bottom and less chip out than does a wobble blade. The stacked set seems easier to get the dado size right. It's trial and error adjusting a wobble blade.
But you will have those who swear by one over the other. It's a matter of preference - and to a certain degree, budget - but both will do the job.
You can also use a router with an appropriate bit.
But you will have those who swear by one over the other. It's a matter of preference - and to a certain degree, budget - but both will do the job.
You can also use a router with an appropriate bit.