4 ohm 2x10 vs. 8 ohm 4x10

[the art guy]

Sorry if this is another dead horse that's been beaten, but:

If I have an Acoustic B200 head (does 200 watts at 4 ohms, and I think 160 or something like that at 8 ohms), then:

Would I get comparable volume from running the head through a 4 ohm 2 x 10 as opposed to an 8 ohm 4 x 10? I know the wattage rating of the speakers matters, but in general does this make sense?

[Dbass10]

You should get more volume out of the 4x10 based on the increase surface area of the speakers. The power difference only being 40 watts different between 4 adn 8 ohms shouldn't be all that audible of a difference...

[PSPookie]

In general, doubling the wattage has the same effect as doubling the speaker surface area with all else remaining constant. Within reason of course. 1kW through a 2x10 is not going to sound the same as 500W through a 4x10.

[dmusic148]

You'll get a LOT more from the 4x10.