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The SandTrap Story
 Custom Installed In-wall/ceiling
 Speaker Tuning System

It's a sunny January California morning.  I'm living a comfortable
retired life; drinking
coffee with my daughter and three sons at a
favorite haunt.  We're engaged in
the great American pastime of
concocting
new product ideas.  Some have a thread of credibility.
Then I offered, "
Isolating baffles for custom speakers." That comment
produced baffled looks that asked, "W
hy would anybody want one?

Consumers spend premium dollars for speakers that can't be seen.  
Well --- they're less visible.  The audio industry promotes these
speakers as custom installed speaker systems.  The good versions
are not cheap.  They range from $600 to well over $1000 per pair
--- plus installation.  

The issue -- custom speakers are installed in sheet-rock walls and
ceilings.  Sheet-rock is made of paper, glue, and chalk.  This is not
a good material for reproducing sound from any speaker.  

Mounting a speaker in sheet-rock is much as selecting a set of guitar
strings for their potential increased volume and greater sustain; then
stringing the set on an acoustic guitar made of cardboard.  This is
not recommended. Similarly, sheet-rock compromises the sound
of custom installed speaker systems.  Sheet-rock mounted speakers
generate muddy mid-bass, harsh vocals, and forfeit decibel level.  

"OK Dad", they asked, "What are you proposing?"  I propose to add an
isolating mounting surface behind the sheet-rock & speaker; a surface
that minimizes sheet-rock induced distortion by re-tuning the speaker
system resonance.  The result is tighter mid-bass, warmer vocals,
and higher decibel level.  This is particularly well suited for the $600
to $800 per pair speaker category.  My isolating baffle will squeeze
enough improved performance to compete with much more expensive
custom models.  

To my surprise they were still listening.  So I continued.  I would offer
this solution to custom audio/video dealers at a dealer price that
would make it impracticable for the dealers to build baffles themselves.  
They will be easy to install; and I would offer the baffles at a retail price
that makes consumers and dealers smile.  I then outlined how it
could be accomplished.  

They looked at me and said, "Dad, it's a no brainer ---- do it."  That's
how I exited retirement and became the captain of SandTrap Audio.

Captain Ed


Improve Performance, Make Money, Promote Your Custom Expertise