Small drivers vs big drivers


Hi,
I have a question that is always in my mind recently. I see some speakers with small  drivers (5-9 inches) that is reviewed to be able to throw out big sound stage and go down to 18hz-20hz. Some other speakers with big drivers (10-15 inches) though are commented to have 'big sound stage' but can only go as low as 30-35hz. 

To make the situation more complicated, some speakers have small drivers but there are many of them. Can many small drivers be compensate for the size limitation?

I don't know which specs determine a wide sound stage and the ability to reach low frequencies.  What is the pros and cons of each design?

Thank you!

Huy.
Ag insider logo xs@2xquanghuy147

Yes, excursion distance before bottoming out is another factor to be taken into consideration.

This is whole thread shows why I find the Raidho (and similar) philosophy totally unconvincing.

I'd add that there are a few other considerations to factor in that I've observed...from a listening perspective:
1.  Are the listeners ears more sensitive to 30hz vs 80hz which will influence their overall perspective of the quality and quantity of bass depending on what the speaker is actually putting out.

2.  Is the listeners body sensitive to bass that is felt and does this influence their perception of the bass they hear
Why is this important....if you have a subwoofer, you know that when it is on and you turn it off...the soundstage collapses....therefore, the amount of bass, the quality of the bass and the physical force of the bass can greatly influence the soundstage.
None of these are very obvious from just the specs alone....and the room has a huge affect because on the nulls....if they are at a frequency range that is key to your own specific hearing/feeling of bass, then the soundstage will seem small...even though the louspeaker itself is doing a good job.

mzkmxcv said:

"the more it can move back and forth, the deeper it can go."  

With all due respect, I don't think this is accurate.  The more the cone can move back and forth is more a function of the volume it will play a given frequency,  not the frequency it produces.  The frequency is a function of how many times per second that movement is occurring.  
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Thank you all for your input. It's an eye-opening for me.

Regarding the bass, if I get it right, the 'safest' / 'best' way is to get speakers which bass diameter is more than (10 inch) so it can move air? Is it right if I relate the ability to move air to the realistic experience when you listen live to a big orchestra with some timpanis?

I'm interested in a pair of 'full range' drivers: Voxativ, which are 7.5". Looks like it is one of the flagship / biggest drivers. I wonder why they don't design big drivers so as to be able to re-produce the strength and the mass of a big orchestra?

The specs of the pair is here: https://voxativ.berlin/products/acx2