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Re: Subwoofer Isolation
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Joined: Jan 2002
Posts: 3,270
connoisseur
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connoisseur
Joined: Jan 2002
Posts: 3,270 |
Hi Tom,
If we put all of this in context, the actual floor-borne mechanical vibration from a sub or speaker is a relatively small component of the total output from a powerful subwoofer and/or full-range loudspeaker. It's the acoustically generated energy in the bass combined with the room's standing waves that set all kind of things in a room resonating, including the sheetrock, studs and wooden floor, often to an annoying degree at high volume levels (especially for easily annoyed neighbors in nearby apartments or condos).
Of course, as pmbuko notes, isolation pads would absorb mechanical energy but do nothing for the bulk of acoustical energy a subwoofer or speaker generates.
Regards, Alan
Alan Lofft, Axiom Resident Expert (Retired)
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Re: Subwoofer Isolation
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Joined: Mar 2008
Posts: 110
veteran
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veteran
Joined: Mar 2008
Posts: 110 |
Hanging speakers from cables could be a bad idea. If the speaker hits just the right notes then it would excite the tensioned cable supporting it and cause it to vibrate.
M22 VP100 QS8 RX-V665 DMP-BD55 SMS-1 LFM-1+ LG47SL90
Depression is merely anger without enthusiasm.
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Re: Subwoofer Isolation
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Joined: Jan 2010
Posts: 578
aficionado
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aficionado
Joined: Jan 2010
Posts: 578 |
Hanging speakers from cables could be a bad idea. If the speaker hits just the right notes then it would excite the tensioned cable supporting it and cause it to vibrate. Back in the 70's, I met a guy named Tom.. He was in a band and played guitar. The story goes, he went on to "higher" education studied music theory using keyboards mostly... thought he understood it all got bored and became an airline pilot. The interesting part and I have seen this happen... he could find the harmonics of a structure (the house we were partying in) and if he wanted to shake the sucker to the ground... it was amazing! He would just play around till everything was shaking. If I recall correctly, he had a sun amp. would turn it towards the wall and just go at it. or it was the acid and a good story!
Last edited by wordgasm; 03/23/10 12:39 AM.
Fronts/Wides:M22s in/on Center:VP150/VP100 in/on Hghts,SS,SR:QS8s Sub:EP500 AVR:Onkyo 3008
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Re: Subwoofer Isolation
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Joined: Jan 2004
Posts: 13,840 Likes: 13
shareholder in the making
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shareholder in the making
Joined: Jan 2004
Posts: 13,840 Likes: 13 |
The reason my front stage is insulated (some use sand) is to reduce the bass from the sub traveling to the user through the floor.
M80s VP180 4xM22ow 4xM3ic EP600 2xEP350 AnthemAVM60 Outlaw7700 EmoA500 Epson5040UB FluanceRT85
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