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I like 2.5 way or 3 way plus subs. Even the best small woofers/mid woofers in stand mount speakers shouldn't be playing as low as most do. It would be a nice feature of a small speaker crossover to have a selectable high pass for relieving the small woofers at 150-200hz and transferring to a sub(s). Just adding sub(s) below a small 2 way is not ideal.
I use full range floorstanders with no sub, but they don't fit into Michael's categories. With transmission line loading my two way speakers cover 35hz-20khz which is plenty enough deep bass for my small room. Could I get deeper, more impact bass if I hooked up my subs, yes I think so. But I just don't need it now in my present listening situation.
Using single driver speaker with built in subs in a med sized room. 102db efficient and down to 20HZ.
Charles, do you have a photo of those speakers? That's some big efficiency and some big bandwidth!
From a timing standpoint it's better to have a 3 way (ie, all the sound waves launch from the same physical space at the same physical time). But from a "getting the best sound from my amp" standpoint, it's best if your main amp doesn't have to deal with bass. Also the parts involved for bass passive crossovers are the largest and most lossy in the system. So it's a conundrum My solution is to have active subs integrated into my main speakers. Another option is to just use subs as stands for your speakers. This gets you the advantages of active bass, along with the advantages of the bass & main speaker being in the same physical space.
It would be a nice feature of a small speaker crossover to have a selectable high pass for relieving the small woofers at 150-200hz and transferring to a sub(s).
I would think 150 Hz would be too high for a sub, that would be more like a real big woofer.....
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