sqr room .. no bass at listening postition .. heeelllllllllllp :(

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jphatbeats

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hi all .. thanks for the time of even reading this..
i really appreciate everybodys time.. and how helpful just reading and learning here has been.
i admit i thought i understood acoustics until .. well .. everyday i find out i dont know enough yet lmao..

i have gone the diy route.. with all the help ive read here.. but havent had any major luck on the low end

so heres my deal.. and i cant change what i have so i have to make it work as best possible
the room is 12 x 12 about 8 ft ceiling with a 5in lip on one wall and a 2in lip on the other with the windows..
ive made a google sketchup file a jpg file took pics.. and everything lol

apollo quad
krk rokit 8's
the 8 in yamahas with the matching sub

so heres what i have.. a s*&^ load of foam and have more coming
2 max traps and 2 full traps
2 superchunks (703) (actually 1 the others materials will be here monday lol)
4 2ft bass traps
8 703 panels fabric wrapped
3 5ft roxule stuffed panels

im open to do what i need to do to get the listening position in order. there is absolutely nooooo bass what so ever
but if i stand up.. i feel like that old maxell tape commercials lmao

ive done the subwoofer crawl doesnt work in here right now.. i even sat with the damn thing in my lap even sat on top of it lol
helllllllllllllp im totally drowned here lol

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Too much foam?

I'm no expert but... Maybe too much foam is making it rather "dead"? Also, If you do a final mix then play it in various other places (car, iPod, etc...) does the perceived lack of bass also translate to those as well?
 
Square rooms are the worst to work with as standing waves build up and do exactly what you are describing.

Until you change the shape of the room (or use another room) you could add foam till doomsday and not have it work right.
 
Then mix standing up. lol!

It is tough in a room the size of yours. It seems obvious that you have a null frequency that is making it tough for you to translate mixes.

Then again, I am not sure how it is possible that your room has 'no bass'. Is your sub-woofer out of phase? Something seems off kilt, or you just have the worst room dimensions possible.

I am going to bet you have something screwed up in your setup. Maybe something as stupid up as a trs monitor cable wired wrong. Before you do anything, check everything.

Start by eliminating the simple things first. Flip polarity from one side and see if that does anything. Then add the sub, and if it becomes worse, flip the polarity of it.

If that don't work, do back flips and post them on YouTube until you fall in a bad way that gives you 1,000,000 hits so you can afford a bigger room that does not have these issues. lol


Seriously, it seems to me that there is something wrong with your setup. Take steps from the beginning of your chain and find out why by deducting each step of your chain as the issue. I bet you find something simple that is causing your issue.
 
Does the bass increase, decrease or stay the same if you move off center from the listening position? How about if you move back from the listening position?
 
+1 for the square room dimensions being the culprit. Everything on every studio build site I have ever been to has said to avoid square room dimensions like the plague because of the aforementioned standing wave issues the wreck havoc on anything on the side of listening quality.
 
hey all thanks for your replys...

ok so heres what ive done so far
ive heard sqre rooms are near impossible .. but possible with alot of bass trapping

ive rearranged the room 3 times switching the desk position
but im always kind of sitting in the same circle in the middle of the room lol

ive checked and switch back and forth all the polarity and phase buttons i can find etc etc

of course when i walk around the room there's bass all of the damn place with different variations of volume levels
but its crazy as soon as i come by my seat .. it all just disappears :(


so lets say i had to maybe loose a foot or add a foot to the room what kind of results would i get?

im not worried about the room being dead as far as the high end goes so im not really worried about the foam
but i wonder if i used enough "bass traps" what kind of results would i get and pertaining to my setup
where would i put them?

hoping im not shit out of luck here :(
 
Your monitors are sitting on the desktop, there's a reflection point on the desk because of this. Get them up in the air so that they are pointing towards your ears when you're sitting there.
 
mjbphotos said:
Your monitors are sitting on the desktop, there's a reflection point on the desk because of this. Get them up in the air so that they are pointing towards your ears when you're sitting there.
Click to expand...

Good point. If your issue is only in the place you sit, then move the speakers. I have mine above me on a separate platform pointing downward.
 

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yeah im waiting on some monitor stands in the mail they wont be moved up much though because i dont think
moving my main speakers will improve the low end.. i had them sitting 8 inches off the desk before with the same issue

i have them crossedover with the subwoofer..
even when they arent crossed over.. the low frequencys are cancelling out at the listening position
 
That is just weird man. Sounds like something is setup wrong. I don't understand how the position in front of the monitors has bass cancelled out. Even in a crappy room, this should not happen. That is why I suggested checking cable wiring as well. Maybe one of your cables is wired incorrectly.
 
its tough to wire cables wrong lol
1 "1/4" to 1 "1/4" plug
all are mono cables

so everything is good on that end..
i just have a deep null at the listening position i was basically hoping one of the acoustic gurus floating around here would have a solid answer for me

i appreciate everybodys input and i have and still will take everything "new/old " into consideration!!!!!
 
How does it sound at the listening position if bypass the sub and you have only one speaker on?
 
If I were you, I'd take all that treatment out and start again. Start with the corners and works from there. That looks like you've just tried to cover every inch of the wall with something rather than actually treat it. Overkill!

I'm in a square room here, 9' x 9' x 9' CUBE. Completely untreated. Probably the worst you could get and I don't have anything like that issue..
 
bouldersoundguy said:
How does it sound at the listening position if bypass the sub and you have only one speaker on?
Click to expand...

Please try this jp. I see where he is going. It really does sound to me like one of your drivers polarity is reversed somehow.

Actually, you should also list every piece of gear in your chain. Or get someone over to remove your poltergeist. lol!
 
ok cool ..
lets start from scratch and hey thanks everybody

so i ripped down most of the room again..

i have the corners treated .. i have a question .. i know now that foam bass traps arent suitable
so what should i do about the corner where the two doors meet..

i want to have something that can be moved out the way when i need to leave the room ..
any ideas?

as far as the chain goes .. ill simplify it. apollo quad- mackie big knob- yamahas + krks
thats pretty much it.. im using monster cables (not that it really matters) but i spent the money anyways lol and they are all mono and sheilded
 
The suggestion was you try one speaker out at a time to figure out if you are in fact getting cross-polarity nulling. If you use one speaker and can hear the bass, then use two and can't, then you know what is happening.
 
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Looking at your photos I get the feeling your monitors are too near your ear..... Take at least one pair, move (and raise) them to the side or your screen.....facing you. Now they should be about 2 and a half, to 3m from you. That is, an equal tri-angle from your sitting (monitoring) position......3m x 3m x 3m.

You can also try moving the whole setup towards the wall behind your chair..... with the result that your speakers are closer to the centre of the room..... That many bass-traps are also suspect to me.....
Good luck.
 
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