Stuffing a box
sorry for the misleading title :p
I just put an alpine 10" in my ext cab with a sealed box. Sounds pretty good considering i haven't really tuned it yet and it was my first install. Anyway just wondering if it was pretty much standard to stuff a sealed box with polly filler or not and how will this change the sound. Had to position the sub facing rearward due to shape of the box if that matters at all. thanks |
from what i've seen, Sealed and ported is like 6 to one and half dozen to another. i have a sealed sub box cause its a false floor, and it sounds alright.
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Stuffing is generally only used for artificially increasing the internal volume of the enclosure.
You usually only use it when your box is slightly too small. Poly fill you can help make up for an enclosure difference of up to 35% If the box is too small then poly will lower the resonate frequency of the sub. It will allow the sub to play slightly lower and it will sound less punchy and tight. Same thing that would happen if you bought a slightly larger box. The best thing to do is to do is dial in your settings first. Then if you feel it still sounds too tight then you can start to experiment with different quantities of poly fill. Remember to keep it away from the actual sub as much as possible so that it does not interfere with its ventilation. |
Originally Posted by RangOH
(Post 1807835)
Stuffing is generally only used for artificially increasing the internal volume of the enclosure.
You usually only use it when your box is slightly too small. Poly fill you can help make up for an enclosure difference of up to 35% If the box is too small then poly will lower the resonate frequency of the sub. It will allow the sub to play slightly lower and it will sound less punchy and tight. Same thing that would happen if you bought a slightly larger box. The best thing to do is to do is dial in your settings first. Then if you feel it still sounds too tight then you can start to experiment with different quantities of poly fill. Remember to keep it away from the actual sub as much as possible so that it does not interfere with its ventilation. |
usually the idea is 1 LB polyfill per square foot. so you wont need too much.
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Originally Posted by RangOH
(Post 1807835)
Stuffing is generally only used for artificially increasing the internal volume of the enclosure.
You usually only use it when your box is slightly too small. Poly fill you can help make up for an enclosure difference of up to 35% If the box is too small then poly will lower the resonate frequency of the sub. It will allow the sub to play slightly lower and it will sound less punchy and tight. Same thing that would happen if you bought a slightly larger box. The best thing to do is to do is dial in your settings first. Then if you feel it still sounds too tight then you can start to experiment with different quantities of poly fill. Remember to keep it away from the actual sub as much as possible so that it does not interfere with its ventilation. |
Wirelessly posted (Blackberry 8530)
I would agree with pretty much everything RangOH said, with the exception of tweaking your settings first. A system will perform best when the least amount of EQ tweaking is needed. When you tune the physical characteristics of the box first, you are allowing the speaker and amp to work more efficiently. Using an EQ to compensate for a poorly-tuned box is basically forcing the speaker to fight the resonances in the box. You use up more power this way. If the box is tuned you will have more headroom (available volume) from your system. |
I would agree with pretty much everything RangOH said, with the exception of tweaking your settings first. Your correct, any EQ settings should be done after everything is setup properly. |
Really, you shouldn't even mess with the EQ on your amp unless you want to clip it like a b!tch.
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I've moved my EQ around, but i'm an Audio Engineering major, so taking certain frequencys and moving them around to a more likable setting isn't too hard, i actually took my lower frequency's out. i like my music clear, not over powering.
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Originally Posted by rangerboy101
(Post 1809048)
Really, you shouldn't even mess with the EQ on your amp unless you want to clip it like a b!tch.
Originally Posted by StxDangerRanger
(Post 1809052)
but i'm an Audio Engineering major
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Originally Posted by ME00Stepside
(Post 1809339)
LOL. So we've heard multiple times.
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This is interesting. Thanks for that info
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