Noob question about cab/combo

[cocas]

Hi,
I have a doubt, perhaps a noob doubt.. anyway, here it goes:
What's the deal with the Ohms? what are they? I think it has something to do with the power of the cab/combo/amp, but still, I don't know what they mean in the context
another thing:
if, say, there is two cabs, both with the same W power, but one is a 2x10 and the other is a 4x10, wich one is better? or what are the differences?

again, sorry if those questions are kinda stupid..

 

[fenderhutz]

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[towsonbassist]

Ohms are a measure of electrical resistence placed upon the current in a circuit.

In a head-cab setup the rule is the ohms of the head must be less than or equal to the ohms of the cab.

Once you get into multiple cabs, it gets confusing (decimals).
http://en.wikipedia.org/wiki/Ohm
Between a 2x10 and a 4x10 the differences are: The 4x10 spreads the power handling so that each speaker recieves less power than in a 2x10. Also weight, a 4x10 would be heavier than a 2x10 because there are 2 more 10" speakers in it.

help much?

 

[cocas]

Ohms are a measure of electrical resistence placed upon the current in a circuit.

In a head-cab setup the rule is the ohms of the head must be less than or equal to the ohms of the cab.

Once you get into multiple cabs, it gets confusing (decimals).
http://en.wikipedia.org/wiki/Ohm
Between a 2x10 and a 4x10 the differences are: The 4x10 spreads the power handling so that each speaker recieves less power than in a 2x10. Also weight, a 4x10 would be heavier than a 2x10 because there are 2 more 10" speakers in it.

help much?

yah, helped a lot, thanks, but what is better? the 2x10 or the 4x10? or is it just a matter of opinion?

 

[Mcrelly]

yah, helped a lot, thanks, but what is better? the 2x10 or the 4x10? or is it just a matter of opinion?

a single 10" speaker is efficient at producing sound upto a certain volume, then you need to add another speaker to go further, so depending on your situation a 210 with a powerfull enough amp, say 400w is fine for solo practice, quieter bands, drummers, smaller rooms etc.

If you want to play even louder and have less worries about "am I gonna be heard" or "will I be pushing my cab too hard" then a 410 is a good place to start.

I have 2 12's (equivalent to a 310 cab in speaker area) and I'm hesitating to go back to a 210 set up for fear I won't be loud enough.

OF COURSE you can start with a 210 (8ohm) and add another 210 later for more volume and have smaller cabs to lift and move around.