Architectural Speaker Tuning System
exclusive patent pending solution

In-ceiling Installation Specs


                In-ceiling SandTrap

Each quartered hull =
6 in. wide x 9.5 in. long x 1 in. deep.

The inner-rim clamping surface =
I in. wide x 1/4 in. deep

Accommodates a typical 6.5" to 8" architectural in-ceiling speaker.

Sand-fill each quartered hull via the fill-hole.
(Use clean dry sand. Avoid beach sand)
Secure each fill-hole with supplied wood plug.

Insert each quartered sand-fillled hull through the custom speaker cut-out.
Use an adhesive such as poster putty to hold in place.
We recommend a more aggressive adhesive such as 3M Strip Calk for the in-wall SandTrap.   
Insert and clamp the speaker to the SandTrap inner-clamp-rim. 

We modify/cut a funnel slightly smaller than the diameter of the Sand-Trap fill-hole.
This minimizes the insertion depth which provides easier sand flow.

We do not provide a "string hole" in the in-ceiling hulls as the in-wall version.
(Future production will include it.)
If installed in a vaulted ceiling, consider drilling a hole in the inner rim.
Insert string or fishing line through the hole.
This allows the retrieval of a hull accidentally dropped in the wall.

In-ceiling Installation illustration

In-ceiling & In-wall custom installed speaker tuning system

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in-ceiling SandTrap
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