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Monitor SPL vs. Full-Range SPL

I see threads where people ask "How loud do you listen?" Wouldn't there be a difference in SPL if your speakers have more bass?
So 80db for a monitor flat to 55 hz could be equal to 85-90dB in a full range speaker which is flat to 20hz. If a speaker is very bright, I would think that could be 75dB SPL for equal perceived volume level.
Any thoughts?
cdc

Showing 2 responses by acoustat6

acoustat6
357 posts
 
Here is a good start to help understanding play back levels. Including testing level and reasons for that level.
http://replaygain.hydrogenaudio.org/calibration.html
Bob
acoustat6
357 posts
 
Hi CDC, You are correct and what you are driving at is very important. If you are listening to your system at a reference signal of 83db at 1000hz and your system goes to 50hz the overall SPL of white noise (or music) will be less than if your system is capable of 20hz. 80db is most definatly not 80db for every speaker, for a white noise response. 1000hz is 1000hz for every speaker, but depending on the speakers freq response and the rooms ability to reproduce the rest of the freq spectrum, that is the rest of the story.

Who says you can't hear 20hz?

This is why I reccomend a specific listening level, that being 83db at 1000hz and tryng to get as flat and as low a freq response as possible as your system is capable of at this level.
Bob
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