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What creates the effortlessness in sound reproduction?

Hello, 
I have a chance to listen some speakers in the last 10 years. I notice that there are 2 speakers which produced sound 'effortlessly', even at low or high volume levels (I never tried max levels on them since they are not mine). With this effortlessness, listening to music is very relaxing. 

I wonder what makes the effortlessness in these speakers? 

Please shed some light on this. 

Thank you. 
Huy
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kenjit
1,771 posts
 
effortless can mean different things to people. The only way to find out the answer is to become involved in speaker design. There are no shortcuts. 

geoffkait's avatar
geoffkait
23,365 posts
 
The electronics and the overall “system engineering.” Up to and including the speakers. 
pbnaudio's avatar
pbnaudio
1,613 posts
 
This :-)

https://pbnaudio.com/mr-777at/

Good Listening

Peter
steve59's avatar
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steve59
1,778 posts
 
In tune, fast bass, dynamic and distortion free are my best guess 
mijostyn's avatar
mijostyn
8,570 posts
 
Huy, it is mostly the amplifier, speakers and room. You need an amp that can effortlessly drive the speakers to 110 dB. This will depend on the efficiency of the speakers. The speakers have to be peak free or even a little depressed (3 dB) in the upper mid range (3000 Hz) and the system has to have excellent bass performance. If all these criteria are met you will have that "effortless" performance unless there is a severe deficiency up stream. The program sources and pre amp are important but they have much less effect on the overall sound unless there is a significant problem. Also in my experience class A amplifiers are more "effortless"
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