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Discussion in 'Amps and Cabs [BG]' started by StreamerJazzman, Feb 22, 2016.
How much more power would a 212 have over a 115 generally speaking?
Is this a trick question?
Assuming real question, impossible to answer. But - limit your variables and say the same brand of cabinets in comparison, then typically a company would use a 15" speaker that handles more than the 12" speaker they use. But two 12" speakers would handle more watts than their single 15".
Btw - cabinets don't have power, but rather they can handle power (watts) up to a limit.
So - to throw out a completely random figure without looking at any one particular brand, let's say the 2x12 can handle 50% more watts than the 1x15 cab. (with a WIDE margin of variance)
With the caveats ashtray listed, two 12's also have more surface area to move air for low frequencies.
A single boutique 12' will hold its own against a cheap 15', and the price will reflect that. Whatcha lookin' at?
a 2x12 is going to have slightly more sensitivity than single 15"
so it takes less power to get to same volume or spl. and since its 2 drivers should handle more power and possibly capable of reaching a higher maximum spl than what a single driver could. always variables to that of course.
That's a start but you need to consider cubic inches not square inches.
That's correct. The matter of interest is displacement - cubic inches (or cc's). The third dimension of the equation is the excursion of the speaker(s).
You can't generalize about speakers based solely on their sizes because you can always find exception to the generalizations. Parameters like power handling, sensitivity, and frequency response have many more variables to them than just the diameter of the speaker, even with differing numbers of speakers thrown into the mix. It's not too hard to find a cabinet with a single, really good 15 that can handle more power, go lower, and have more sensitivity than a typical 2x12 but it's likely to cost about the same if not more than a typical 2x12.
The bottom line is questions like this, based solely on speaker size, don't have good answers to them. You have to compare different cabinets for yourself using your ears and not just a bunch of numbers from a specification sheet. That is, in my opinion. There is another school of thought that states everything you need to know can be found by reading specifications and measurements. I place little value in that because music is about sound and my eyes can't hear very well.
Generally speaking the only thing you can say with any certainty is they designed to turn electrical power (watts) into sound.
Forget the spec-wrestling and just get a Bergantino 212.