Isobaric - less then $20

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Oh forever...(same year they put a man on the moon)

Here's a new pic ~ these are a fun build, looks complicated, but not really.
 

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Hi ODougbo,

Thanks for the nice pictures. Have you tried different stuffings, e.g.: thinning out the suffing density as you are going away from the speakers, and carrying the stuffing to the middle (or around) of the corner?

Regards,
 
I did try to graduate the fill; not easy...gravity may help over time (-;
so a few months ago i bought the q acoustics 2050 subwoofer, and now they've had time to break in ive noticed i get so much port noise even at low volumes, and its the most annoying thing ! so im thinking about removing the drivers and amplifier, and getting a nice box design done for them ?
 
2009, send a pic of your sub that has port noise - maybe you can replace the port with a passive radiator.

Dan, here's a new pic (no fancy feet this time - will cut soon) the combination of the corner and the flanking desks are creating boom (plus the 4 wire cable is 25'). It is a little better now, since I moved things around. I don't think the boxes sound different other than the tall ones point down and fit tighter in the corner.

I did have to lower the bass setting quite a bit when I made the switch; 4db according to the menu.


btw. thinking about making new rear boxes, that fit/angle better. I found a pair of 5.25" 1591"s Peerless woofers (super old but never used) and I have the new vifa tweeters. Would love to have a 12db crossover, but doubt that I'd get that right :-/
 

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Hi ODougbo,

What you are describing sounds like room/subwoofer interactions. When you have multiple subs you get into all kinds of strange interactions. I'll add two links you might find interesting (if you haven't worked through them yet), start with Post #5 here:
http://www.diyaudio.com/forums/subwoofers/134568-multiple-small-subs-geddes-approach-138.html,
and an interesting application:
http://www.diyaudio.com/forums/subw...ultisub-setup-temporary-rental-apartment.html
Maybe it's time to start investigating individual amplifiers per subwoofer, preferably with variable phase control?

Regards,
 
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