Quote:
Originally Posted by Art Vandelay
What matters is the speaker's LF alignment, and that's a matter for the designers. Small speakers work best in small rooms generally because they've been designed to produce an optimum in-room bass response with some boundary reinforcement, which becomes inevitable in small rooms. Large speakers are far more likely to be used in large rooms where greater SPL is required, so it makes sense to optimise them for use away from room boundaries where they can more easily create the ideal three dimensional sound stage. And boundary reinforcement is equally applicable to the listening position too, so in small rooms you get a double dose of it.
Physics plays a role too. All things being equal, a large speaker with greater internal volume and larger drivers will be more efficient at low frequencies.
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That's a misconception. Engineers do not design to a given room size they design to a budget and target response (measured and audible). Why? Because the variable is too great, who's room shall it be yours or mine? It's also why companies (like Bryston) spend big bucks on anechoic chambers. And when listening is done the room is typically static. It is suggested (by the manufacturer), however, that if the speakers give too little or too much bass that boundary positioning can aid in response. Perhaps you have never heard of (heard) the Magico Minis? In a large room they were outstanding! Likewise, a pair of large floor standing Sonus fabers (I don't recall the model) in a relatively small room with a seating position near field defied all logic.
The size of the speaker is only a consideration when the footprint is of concern. Some people just don't have the room for larger monitors but they still desire the performance of one (meaning full-range). The physics of this does come into play as you say, and therefore there are limits to what smaller monitors can do without further assistance from the likes of a subwoofer for instance.