Advise on acoustic treatments to fix boomy bass.


Have speakers that I really like. Problem is they need to be out from back wall about 36". Closer and the bass gets boomy. They are a ported bass reflex design. Anyone have any experience with acoustic treatments that will remedy this situation and allow a placement closer to rear wall? If so, please provide specifics.
j_bailey
This is going to be a different kind of suggestion, but, hey, I seem to go against the grain.

Despite the "conventional wisdom" that you NEVER stuff a ported box, I find it does away with most, if not all, of that boxy sound a ported speaker can exhibit. I was told this by a well known speaker guru, whose unorthodox ways provide a tremendous amount of speaker improvement at such little cost, it's laughable. His recipe, pick up some polyester batting from a discount store (fabric, KMart, WalMart, etc.). Tear off medium sized handfuls, not too tight, and loosely throw them into the box. Fill it up about 75%, remembering that too loosely is preferable to packing it too tightly. You can facilitate this by removing the woofer from the speaker, then putting it back after your finished. No need to disconnect the driver.

And, if it sounds totally crazy, just remember that Bud Fried's Line Tunnel and what Von Schweikerts calls their "transmission line" is nothing more than a ported speaker, stuffed with foam. Neither of which produce boxy, boomy bass.
Thanks guys. I'll check it all out. Probably more fun and easier to spend money on some new gear, but my room definitely needs help.
J_bailey

Here you go - this will take care of not only boom but they will also even the room out......

http://www.teresaudio.com/haven/traps/traps.html

That is if you use them as described here......

www.acousticsciences.com/artic...
best

paul
Read up on room acoustics. You're on the right track to great sound. Your system will only perform as well as the acoustics in your room allow it to. Once you have a good acoustical environment you'll wonder what you were waiting for. Another thing that can be very helpful is a Behringer DEQ 2496 especially it bass traps and acoustic panels have to be at a minimum. At least try to damp all first reflection points and get some bass traps. Your ears will thank you. Excellent bang for the buck on sound improvement.
Mass Loading will fix that boomy bass, you can start out with 5 pounds of weight on each speakers and wait a few days and see how you like it. If that does not fix it just add more weights. I use mass loading on everything in my system....all audio/video cables too, this really can improve your whole audio/video system!