Moose - I would not expect most people to be able to notice a difference
with speakers in a thin plastic bag. I actually experienced it
yesterday at a show with my family. It started to sprinkle, so they
pulled some trash bags over the speakers and I couldn't tell the
difference. It was a kids oriented puppet and magic shows in an
outdoor noisy area, but I still don't think a plastic bag would change
much. You could always just do a quick test with some bags over your
inside speakers.
[For people in the Los Angeles area with kids under about 10, see
www.adventurecity.com - a great deal without the crowds or expense of
the bigger parks. On days like yesterday, you could often stay on the
ride over and over and over and over.]
For the projector, you could make a box frame and use furnace air
filters for most of the sides and bottom. Use a glass panel for the
front. That way you will have a dust resistant enclosure that still
circulates air. If it doesn't have enough passive cooling, you could
add some fans to pull the air out.
On a note related to electronics in the garage, yesterday I read an
article in the March 2011 Popular Mechanics where they built a computer
in a rolling tool chest. The computer was all sealed and the
components, including the power supply were all water cooled. The only
thing exposed was a radiator. They didn't give a total cost, but adding
up the components listed shows it to be over $2700 for just the computer
'box'.
Brian
On 4/8/2011 8:01 PM, eric at megageek.com wrote:
> Ok, I'm sure you all have stereos in your shops. I have a question about
> the electronics in dusty environments like garages.
>
> My speakers get pretty dusty over the years. They are high up and not
> easy to clean regularly. Are there any problems putting a plastic bag
> over them? What if I left the bottom's of the bags open? What about
> pallet wrapping them?
>
> Next question, I'm adding a projector to garage and I'm trying to figure
> out the best way to cover that. Now I know that it needs lots of air to
> stay cool when running, but is there an easy way to keep the dusty off of
> it when I'm not using it? Again, it will be up high and not easy to pull
> a cover off manually. I was thinking about maybe a box with some fans and
> air filters or something.
>
> FWIW, before you judge me, I turn 40 this Oct and I believe I'm having my
> mid-life crisis. Since I've already done all the stupid things that most
> men do when they hit 40 (i.e. motorcycles, fast cars, big trucks, date
> younger girls), I have to find other insane pursuits. So adding a 12'
> motorized movie screen to the garage is just one of them! 8>)
>
>
>
>
> Moose
> "Be as beneficent as the sun or the sea, but if your rights as a rational
> being are trenched on, die on the first inch of your territory." Ralph
> Waldo Emerson
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