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Sound tubes, imho, spill a heck of a lot of sound.  I presume if its  
in your lobby you are going to have lots of people; how do you manage  
the volume.

Brown Innovations makes a good dome.  They are hundreds of dollars,  
as opposed to $50.

Some of the new technolgoy, phased array speakers, appear to be  
promising although very expensive.

You don't say what you budget is :).....

It should be fairly easy to prototype, thoughs with a piece of  
plywood and inset the speaker.  at least you'll get an idea of what  
you are really up against (besides maintenance issues)....
	


On Jan 14, 2009, at 4:40 PM, Eric Yuan wrote:

> *This message was transferred with a trial version of CommuniGate 
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> ISEN-ASTC-L is a service of the Association of Science-Technology  
> Centers
> Incorporated, a worldwide network of science museums and related  
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>
> Hi Lynn,
>
> I would warn against it.  Dirt, sand, and juice will end up in the  
> speakers
> and the grille, and your maintenance personnel will take a hit out  
> on you.
> You probably don't want more than one sound going off at a time  
> anyway,
> unless they are really far apart.  I would recommend ceiling  
> speakers with
> sound tubes that drop from the ceiling.
>
> If you are really going for floor sound, consider stick-on speaker  
> coils
> that transform a flat surface into a speaker.  With some  
> experimentation,
> you might be able to get a sealed surface to produce reasonable sound.
> http://www.si5.com/products.php?pID=4024
>
> How will the sounds be triggered?  Consider mounting some icon to  
> the floor
> that could hold a button and a speaker.
>
> Good luck,
> Eric
>
> *****************************************
> Eric Yuan
> Exhibit Developer
> Children's Museum of New Hampshire
> 6 Washington St
> Dover, NH 03820
> (603) 742-2002
> www.childrens-museum.org
> *****************************************
>
>
>
> -----Original Message-----
> From: Informal Science Education Network
> [mailto:[log in to unmask]] On Behalf Of Cole, Susan Lynn
> Sent: Wednesday, January 14, 2009 4:40 PHi M
> To: [log in to unmask]
> Subject: [ISEN] speakers in floor
>
> ISEN-ASTC-L is a service of the Association of Science-Technology  
> Centers
> Incorporated, a worldwide network of science museums and related
> institutions.
> ********************************************************************** 
> ******
> *
>
> We are planning the Children's Library Discovery Center, a new wing of
> the Central Library in Queens, NY, scheduled to open at the end of  
> 2009.
>
>
> A major graphic element of the center will be a large (30' at max  
> width)
> map of queens imbedded in the entry floor. Sounds will be associated
> with a few of the map icons. Our fabricators are recommending
> Poly-Planar MA3013W White 3" 60 Watt (pair) Waterproof Marine  
> Speakers,
> rather than ceiling mounted directional speakers. Their reasoning  
> is, at
> least in part, that the sound will be more directly associated with  
> the
> icon on the floor than if the sound comes from above, regardless of  
> how
> targeted the sound.
> Thank you in advance for your comments.
>
>
> Lynn Cole
>
> Interactive Exhibits Supervisor
>
> Queens Borough Public Library
>
> 89-11 Merrick Blvd.
>
> Jamaica, NY 11432
>
>
>
> Ph: 718-990-0858
>
> Email: [log in to unmask]
>
> www.queenslibrary.org
>
> ********************************************************************** 
> *
>
> ********************************************************************** 
> *
> For information about the Association of Science-Technology Centers  
> and the Informal Science Education Network please visit www.astc.org.
>
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