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Speaker Asylum General speaker questions for audio and home theater. |
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Speaker Asylum General speaker questions for audio and home theater. |
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In Reply to: RE: Averaging of multiple locations posted by jasonpatrickbrowne on December 9, 2014 at 08:44:59:
in my experience, the rule seem to be that 15 db peaks and dips are certain if you dont place the speakers correctly.
if placed correctly, as you need to place your speaker in a place where the room mode are not proeminent.
the speaker placement is the most important as its the source and it triggers the room modes automatically. listening position is important but to a much lesser degree.when you take measurments, it will be evident. place your mic at your listening position, then move your speaker around, you will clearly see where your speaker response is less affected by the position. room modes works like that: if your room is 100 feet by 10 feet. if you place your speaker right in the middle, terrible response, if you place it at 2.5 feet away from the back wall (always measuring from the front baffle), terrible response. if you place it around 3.5 feet, it should be much better. as the room modes seem to act like in half measures: for a 10 feet by 10 feet room, if your listening position or your speaker placement is at the 2.5feet or 5 feet, you will get bad result. so, if you have a 12 by 12 room, dont place your speaker at the 3 feet or 6 feet position. that seems to be a crude but overall true and right generalisation to do. as everything, measurments is necessary as every room is different.
once you find the right speaker placement, you should be able to have no more 15 and more db peaks and dips, it should be around 10 db peaks. so thats much better. Its very evident. you move your speaker one feet at a time and you will see clear sometime troubling difference in the response. its very fun to do and easy to determine your room modes. Its a sure thing. I have been able every time to reduce those mad 15 to 20 db dips and peaks every time simply by room placement.
I guess theres room thhat could be very difficult, but in general;, its doable.
in my experience, speaker position is more important then listening position.
then, if you again place your listening position in a room mode free zone, you should again reduce the peaks and dips another 2-3-4 db. in my experience, this is as good as I ever been able to get without room treatment.
so you pass from 15 db dips to 10db with speaker placement, then from 10 db to at least a 7-8 db peaks and dips. MUCH better only with proper speaker placement and understanding of your room modes.
then, treatment helps to win the last 2-3 db.
4-5 db from flat in the bass region is okay and doesnt effect my pleasure or the clarity of the bass ime.
Edits: 12/09/14 12/09/14
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- RE: Averaging of multiple locations - jasonpatrickbrowne 08:55:01 12/09/14 (0)
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