View Full Version : stuffing your sub with polyfill
08-05-2001, 05:41 PM
i dont kno much about it but i hear it tightens the base alot. i have a sony sa-wm40 and i hear the base is boomy. does anyone have any more info on this. i wanna test it out but im not sure how to do it. o yeh i also hear about putting spiked feet on it, but i also kno little about it.
08-05-2001, 09:23 PM
there was a thread about it a long time ago. Let me see if I can find it.
08-06-2001, 12:26 AM
I don't think that this would help. From DarkFury's explination, it seems that the sound would become more boomy. However, part of the fun of a home theater is trying new things and seeing what sounds best to you. Why not try it and let us know the results? Some balled up t-shirts or socks would probably work just as well as polyfill.
These supposedly do make a difference. By making the surface area of the contact point between speaker and floor or stand as little as possible, you cut down on vibration, and get a better sounding speaker. Will you be able to tell a difference? I doubt it. Unless you have truely high end gear, and are an audiophile, you probably wouldn't hear any changes at all. I would spend my money elsewhere.
Raising the sub off of the floor
I think this is a bad idea. Most people cornerload their sub to take advantage of the three surfaces that the soundwaves have to bounce off of (floor, and two walls). This produces much higher spl's than say in the center of the room, with only the floor to bounce waves. If you raise the sub you will be loosing one of these surfaces. However, every room is different, and your really should move your sub around the room to see where it sounds the best.
08-06-2001, 12:31 AM
One more thought.....
If you have a ported sub, then you may be able to reduce the boominess by sealing up the ports. Once again, some balled up socks would work well here. However, by doing this, you are changing everything about your sub's dynamics, and you may have adverse results. I doubt that it would hurt the sub, but it may sound like crappola also.
08-06-2001, 07:35 AM
Originally posted by DarkFury
[QUOTE](and when I say higher, I am talking only 6 to 18 inches depending on size of the driver)
OH! I had a picture in my head of the subwoofer like 3 or 4 feet in the air. :)
Anyways, I say try it all out. You never know unless you experiment.
08-06-2001, 11:11 AM
I found the thread where I asked that before. It's a long thread and it was mentioned really shortly, so I'll just give you the quotes.
"speaking of subs, I remember a while back when apex or you mentioned something about putting something (it was something you could get at Home Depot, some cushy material...) inside the subwoofer to make the sound tighter... remember what that was???"
"It's a good solution for subs on a budget that sound kind of hollow and boomy. You can get it at Radio Shack or Home Depot. Just get some fiber or polyfill (insulating material)."
That was about all that was mentioned. Although the suggestion came from the all-trusted Mr Apex, apparently the guys above don't completely agree, so I think the best thing you could do is to try it out and tell us how it goes. I'm very interested too. good luck.
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