What is your take on high efficient speakers vs. low efficient speakers?

Consider both designs are done right and your other equipment is well matched with the speakers.  Do you have any preference when it comes to sound quality?  Is it matter of economic decision when it comes to price? - power amps can become very expensive when power goes up, on the other hand large,  efficient speakers are expensive as well.  Is your decision based on room size?  I'd love to hear from you on the subject. 


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I had Usher speakers with proper amplification.  I enjoyed the sound but they had to be played at a moderate to high volume to provide full sound, proper bass.    I now have Tekton speakers and find the sound full, with proper bass at lower volume.   

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Low-eff designs can suffer from dynamic and power compression. It's not possible for those designs to replicate the natural dynamic range that real music has and if you play those designs at a higher SPL level many have power compression.  If you can deal with reduced dynamic range and need a small speaker maybe low-eff is for you. If you enjoy the dynamics that real music has and want freedom from power compression at higher SPL levels and can deal with a larger loudspeaker then hi- eff most likely is best for you.

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