Must a subwoofer be on the ground?

Zatharus said:
I take it you haven't done any sound isolation before? A gap of air between two stiff surfaces will tremendously reduce sound transmission. Sound waves travel much more efficiently in dense media (i.e. walls, floors, etc...). When you have that air gap, very little sound energy is transmitted. If you want to isolate further, add another gap.

The most isolated sound rooms are literally suspended within another room.
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Nope, my experiences of sound insulation stops after dynomat and soundboard.

Look, all I am saying is that I think a subwoofer would sound better on carpet then hardwood. Go into a room with hardwood floors and bare walls. Now clap your hands. Then go into a room with carpeted floors and a textured ceiling. Now clap your hands and compare the two results. I don't know why you feel the need to contradict me. I mean, it's not like I am lying to you.
 
Motoxrdude said:
Carpet absorbs more sound then any household surface would ;) You should still place the sub on the floor because it will rattle like non other if you have it on a solid surface.
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if he places the sub on his desk, and than places it on the floor... he will achieve better bass response on the floor than his desk. whether carpet is involved or not.

Motoxrdude said:
Wrong, lol. Sub placement does matter in a car. Take a sub and put it in the back seat. Now stick it in the very back and tell me the difference.

O and btw, SQL != sound quality. SQ is sound quality, SPL is volume, and SQL is sound quality and volume.
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agreed

Motoxrdude said:
Wrong again, bigger is not always better. No offense, but you shouldn't be giving advice about audio.
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agreed again... the driver and the porting will have a much more profound effect will effect the bass response just as much as the size of the speaker. a well tuned 8" can sound deeper and cleaner, than a poorly ported 15"
 
mightymilk said:
agreed again... the driver and the porting will have a much more profound effect will effect the bass response just as much as the size of the speaker. a well tuned 8" can sound deeper and cleaner, than a poorly ported 15"
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O for sure. The box is everything. Also the bigger sub you go, generally the more SPL you gain, but you lose SQ. If you get a 10" that has some good excursion, it will sound nice and hit those lows.
 
Motoxrdude said:
Nope, my experiences of sound insulation stops after dynomat and soundboard.

Look, all I am saying is that I think a subwoofer would sound better on carpet then hardwood. Go into a room with hardwood floors and bare walls. Now clap your hands. Then go into a room with carpeted floors and a textured ceiling. Now clap your hands and compare the two results. I don't know why you feel the need to contradict me. I mean, it's not like I am lying to you.
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No, I don't think you are lying to me. :)

I was trying to point out that the material used in this case would have little impact on the sound of the sub. The high energy low frequency waves put out by a subwoofer will not be affected much by those materials. LF sound waves are very pervasive. I, too, think you would be better off placing the sub on an insulated/soft surface, but for the practical reason of reducing the cabinet to surface clatter.

All you are hearing when you clap your hands in the two rooms mentioned above is the difference in high frequency transient response. You can't judge the bass response from that. The bass response of those two rooms will change very little if they are the same dimensions and the substrate materials are the same (baseboard/wallboard).
 
Zatharus said:
All you are hearing when you clap your hands in the two rooms mentioned above is the difference in high frequency transient response. You can't judge the bass response from that. The bass response of those two rooms will change very little if they are the same dimensions and the substrate materials are the same (baseboard/wallboard).
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Ok, run your subwoofer on a hardwood floor. It's not me that has to listen to it.
 
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