I built some coffins

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tjohnston

tjohnston

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I told the neighbors that I was building coffins but really its just bass traps. It pretty easy to do. If you have a basic knowledge of quantum physics you should do fine. My only mistake was using a cheap miter saw to cut the wood. The edges don’t line up properly. I made the traps portable so I can move them from room to room. Instead of mounting them to the walls I just secured a very thick piece of plywood to the back and sealed the edge with silicone. A word of warning... don’t take a piss after touching 703 fiberglass!
 

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These things are portable but they are extremely heavy.
 

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What thickness did you use on the plywood? Do you cover the front? What freq range do you expect to absorb?

I've got a bunch of 703 left from my panels and am just waiting for cooler weather before I start the next project.
 
The front of the trap is 1/4-inch plywood.
The back is 3/4-inch plywood.

Inside the trap there is a 1'' gap in front of the 703 and a 2'' gap behind it. The trap is completely sealed with silicone.
The surface is just bare wood since I don’t need to cover then with anything.

I believe this type of trap is designed to reduce very low freq. I will also assemble other traps with different dimensions to trap mid bas freq.

I have a feeling that not too many other people use bass traps since I don’t hear much about them.

I will probably put the deep absorbers in the corners and the mid- bass absorbers along the side walls.
 
Can you go into more detail about the bass trap? I have heard many people talking about them, but not quite sure how they work.
 
http://www.ethanwiner.com/basstrap.html

I dont know how to post a link but I think thats it.

I just think that room treatment is one of those things where most know about it but few actually do it.

I personally think that it is waste of money to spend 5 grand on a guitar,mic,preamp,recorder line up just to record it in a dead carpeted small room. I built bass traps and installed a wood floor in the tracking room. A large room with wood floor made a wonderfull difference in the clarity and ring of my taylor!
 
Damn Tex... Looks like you've got alot of work to do!
 
TJ,

> it is waste of money to spend 5 grand on a guitar,mic,preamp,recorder line up just to record it in a dead carpeted small room. <

Move to the front of the class!

And spread the word: Acoustic treatment is the "next big thing" in audio production because it's more important than almost anything else.

--Ethan
 
Jblount said:
What does a bass trap do, exactly?
Click to expand...
A bass trap - you stick it in the river with some bait in it and a bass swims in, eats the bait, but can't get back out. He's trapped!
Kinda like a trot line... only different.


:D :D
 
What does a bass trap do, exactly?
Click to expand...

A bass trap temporarily stores bass frequencies much like a capacitor. So when you need them on a later mix, you can release them into the mix and enjoy well balanced audio.

:D

Seriously, it traps longer waves so your room doesn't boom or sound too bassy, thus allowing your ears to mix high, mid and low frequencies in a more balanced way.

If your mixes sound good on a boombox first shot, you probably need bass traps in your studio.
 
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