In addition to the Dynamatt in my front doors, I pop riveted a 4 layer
laminate of Gugeon Bros. epoxy and carbon fiber cloth, (8 or 10 oz.
cloth  I'm pretty sure)some leftovers I had from a whitewater boat I built
many years ago.  Fairly thin, but added tremedous stiffness to the mounting
area of the 6.5" mid bass drivers I put in there

DM&FS

. At 08:52 PM 11/28/2004, Dennis wrote:
>Check out the stereo link on this page:
>
>http://my.tbaytel.net/guskers/vanagon.html
>
>I mounted speakers in the lower door panels.  The stock location houses a
>high range speaker, the lower door, a mid bass driver.  The passive
>crossover is mounted in a bad spot and gets booted every now and then.  The
>mid bass driver is fine where it is.  The map pocket needed a slight (but
>invisible) trim.  I had intended to fab up a custom panel that would house
>the crossover and never got to it.
>
>If you're sending some power to the door speakers, take some time and
>dynomat (or equivalent) the door sheet metal.  I find that when the system
>(700 watts or so) is cranked, the door flaps a bit.  The carat type bumper
>extension trim on the lower doors is another source of vibration (makes a
>racket outside the van), and is resolved by remounting with some
>isolation.