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stevieg 31st May 2013 09:57 AM

Floating speaker enclosures
Would there be any advantage in having a cabinet floating independently around a speaker unit that is rigidly fixed in space? I believe Naim and Mordaunt-Short used to make such devices years ago. Now that the Foam Core Crew have shown us how to make lightweight cabinets, and with the easier availability of strong sealants such as silicone, it should be simpler to DIY such a device. Imagine a base ported enclosure such as a Metronome, with a speaker unit mounted on a pole up the middle, flexibly sealed at their interface. This may be too much trouble for too little return, but worth thinking about? It would mean that your baffle could be arranged for best sonic result now it is relieved of the structural duties of housing a heavy vibrating object.

Cheers Steve

picowallspeaker 31st May 2013 10:05 AM

It's exactly the opposite
The speaker has to be firmly fixed on something
and let only the membrane move

( that's why I don't put any sealant between the speaker and the 'baffle', because it allows movement; speakers with 4 holes
for screws are also mechanically instable )

picowallspeaker 31st May 2013 10:08 AM

You can then make the box floating , by suspending it with rubber bands.

speakermagic 31st May 2013 11:15 AM

Have you seen the "floating" speaker where there is a second surround on the outside of the speaker frame and the speaker is attached to the enclosure by the outter surround letting the whole speaker move as a sub bass unit while the cone still produces full range as used in some portable wireless speakers . See

chrisb 31st May 2013 03:49 PM

oh, this'll be fun -

try and find any aspect of loudspeaker driver and enclosure design on which there are no differences of opinion, often vociferously expressed and with little tolerance for "discussion" .

go on, just try

picowallspeaker 31st May 2013 03:56 PM

1 Attachment(s)
My mid-tw is floating

chrisb 31st May 2013 04:56 PM


Originally Posted by picowallspeaker (
My mid-tw is floating

let's see - wouldn't that be "suspended" (or even "hung" ;)) ? "floating" suggests resting on the surface of a liquid or in mid air, without any additional physical support :rolleyes:

picowallspeaker 31st May 2013 05:09 PM

music floats

Edit: but those are oooold
You've got to see the fully suspended three way

Cal Weldon 31st May 2013 05:10 PM


Originally Posted by speakermagic (
where there is a second surround on the outside of the speaker frame and the speaker

That's really just the latest incarnation of the Altec Biflex system. I think the op was talking about fixing the driver to something like and OB board that was somehow wrapped by an enclosure that somehow sealed off the front and back waves and was not rigidly attached to the driver basket. Off the top of my head, I can't see how that could be done without allowing interference between the waves. ChrisB would know more about a possible benefit, I am just thinking about its construction.

chrisb 31st May 2013 05:46 PM


Originally Posted by picowallspeaker (
music floats

Edit: but those are oooold
You've got to see the fully suspended three way

well, the virtual images of reproduced music might "float" (as in rest in space) , but I tend to think of music as "flying" i.e moving dynamically :D

Cal: methinks you accredit more to my understanding than is due

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