DYohn
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Post by DYohn on Dec 3, 2011 16:36:11 GMT -5
What's your question?
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DYohn
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Post by DYohn on Dec 3, 2011 16:53:53 GMT -5
Those are in-room dbSPL readings at your listening location? With what sort of test signal?
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DYohn
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Post by DYohn on Dec 3, 2011 17:40:54 GMT -5
What are those instructions and is that what you did to get those results? What is the source for your test tones?
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DYohn
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Post by DYohn on Dec 3, 2011 18:02:31 GMT -5
What I mean is where did you get those instructions and are the readings you posted some sort of result from them? Also, where are the test tones coming from, a CD or something?
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harri009
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Post by harri009 on Dec 3, 2011 18:49:01 GMT -5
In the movie room I am not normally happy with the bass unless I have it set to about 10 db louder than my mains. With music I enjoy the more even sound. This may be what you need to do to be happy with the performance.
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selkec
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Post by selkec on Dec 3, 2011 20:33:30 GMT -5
I too have my sub set about +10 db over my mains. I like bass...
Have you tried to see what your max db is at your seating position? Those db readings are most definately not max. Just curious. With your subs you should get a ton of bass.
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selkec
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Post by selkec on Dec 4, 2011 9:09:02 GMT -5
Do you have any pics of where you have the subs setting? I know one thing is when I move mine to between my my tv and mains I have maybe half the bass. I always prefer corner loading my subs. YOu get alot more output. But your seating position also can make a difference.
Have you tried the sub crawl? set your subs where your seating position is. Then crawl around and find where it sounds best to you. Thats where you want to place your subs. Some dont like corner loading because thye say it makes it boomy. But for me I dont mind it because I like big slam when watching movies. If you are into music also then the corner may not be your best spot. Good luck figuring it out.
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harri009
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Post by harri009 on Dec 4, 2011 14:18:25 GMT -5
also with that spl meter there is a chart for different freq, ie at lower freq what the meter reads is not the actual db. You have to add what's on the chart to what's on the meter. So example a 100hz tone reading 70db on your monitor is not the same vol as a 20hz tone at a reading of 70db, the chart tells you how much to add. It should be in the manual that came with your meter.
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selkec
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Post by selkec on Dec 4, 2011 20:21:50 GMT -5
also with that spl meter there is a chart for different freq, ie at lower freq what the meter reads is not the actual db. You have to add what's on the chart to what's on the meter. So example a 100hz tone reading 70db on your monitor is not the same vol as a 20hz tone at a reading of 70db, the chart tells you how much to add. It should be in the manual that came with your meter. damn I did not know this. I will have to download the manual. I do know my meter maxes out at 126db and I can max it out with just my one sub when corner loaded. I imagine the OP having the 2 big subs would easily max out the meter.
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Deleted
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Post by Deleted on Dec 4, 2011 22:26:16 GMT -5
From your room, looks like a good place would be to stack them both on the left side by the wall. You're going to create a null in room with the other side open and having a sub there most likely. That large open area is most likely your problem. I'm sure it's sucking out bass like mad. You need to down load REW and post some charts and see what your room is doing.
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Deleted
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Post by Deleted on Dec 5, 2011 0:31:23 GMT -5
It could all just be some cancellation then. Can you play with the phase one one of them while playing a tone and see if it gets louder with adjustment. You will get the loudest results stacking them though.
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hemster
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Post by hemster on Dec 5, 2011 3:04:43 GMT -5
a1uc, higher readings are because of the corner sub. Have you tried swapping the subs and the mains? That would reduce cancellation and provide a wider soundstage. Worth a try. As you know now, with subs it's about trial and error.... and trial and error... so don't despair. You'll find the best spots eventually and it'll be worth it.
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RadTech
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Post by RadTech on Dec 5, 2011 8:41:13 GMT -5
a1uc, higher readings are because of the corner sub. Have you tried swapping the subs and the mains? That would reduce cancellation and provide a wider soundstage. Worth a try. As you know now, with subs it's about trial and error.... and trial and error... so don't despair. You'll find the best spots eventually and it'll be worth it. That is how I have mine. Tried them to the outside but it made my sound-stage quite narrow and the bass wasn't as tight.
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RadTech
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Post by RadTech on Dec 5, 2011 8:57:56 GMT -5
also with that spl meter there is a chart for different freq, ie at lower freq what the meter reads is not the actual db. You have to add what's on the chart to what's on the meter. So example a 100hz tone reading 70db on your monitor is not the same vol as a 20hz tone at a reading of 70db, the chart tells you how much to add. It should be in the manual that came with your meter. Very good point and each model has a different correction chart. I have an older model analog Radio Shack SPL meter and the newer version. They both read differently when compared simultaneously. Especially in the bass region. Just a though but if you have your HP and LP set at 80 Hz and you play a test tone or pink noise wouldn't 75 db in the highs/mids be louder than the 75 db below 80 Hz the subs are playing? I have my subs set quite a few db above my mains as well.
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selkec
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Post by selkec on Dec 5, 2011 11:08:57 GMT -5
I agrree that atacking them in the front left will give you the best volume. Or one frone left and one in the rear left. I have to say never put them between the mains and tv. It sounds like crap from experiece. Stacking is your best bet. 2nd best is front left and rear left corners. Your subs are very very capable!!! And with your awesome towers, and center which I want eventually you will have one amazing sound going on.. Dont give up. I wish I live closer. I would love to help you out.
Stackin may be ugly but you could make a corner treatment that is made out of some nice material accoustic transparent and hide them behind it. Also this may sound weird but ai got an iso pad for my sub and instead of taking away some ground shaking. It actually made it more. So now my foundation shakes like no other. So much it can makje the tv look to vibrate because my eyes are. lol
ALso what is your mains set too? find that when I run mine for full range to get more bass I it actually cancells out some frequencies and I get less output. xover at 50 or 80 works best for me. I have no 60hz option in my avr.
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selkec
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Post by selkec on Dec 5, 2011 17:29:07 GMT -5
yeah stacking is better than side by side. maybe you could lay them on their side then it would not be as tall. You are definately going to feel it when you get them stacked. ;D I like the looks of stacked subs. But I am the bigger and the more is better kinda guy. lol I want a stack of 5 xpa-1's and 4 subs. 2 stacked in both front corners. But that will be a long time from now. BUT WILL HAPPEN ;D
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Deleted
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Post by Deleted on Dec 5, 2011 19:38:43 GMT -5
You can put them side by side, you don't have to actually put them on top of each other. they just have to be close so they can couple together. I've seen quite a few systems like that as well as having 2 of my 4 servo 15's placed like that on each side of my front soundstage. Finding just the right spot is tough sometimes because the "right spot" could be where furniture is already. You'll get there man, it may not look exactly how you want but IMO it's worth it to have a fun time with your HT.
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Deleted
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Post by Deleted on Dec 5, 2011 20:07:53 GMT -5
how do they sound together?
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Deleted
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Post by Deleted on Dec 5, 2011 20:47:26 GMT -5
I'd leave everything where it is. Play a tone and adjust your phase on your EQ2 until you get the highest SPL reading with your entire system running. You're using the Y splitter into you EQ2 now right? Since you subs are stacked, you can treat them as 1 big sub, because thats pretty much what they are now, well kinda anyways lol.
Your mains should be crossed over at 80 or 60hZ depending on how you like it and the subs shouldn't have any phase issues after your crossover point.
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Deleted
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Post by Deleted on Dec 5, 2011 21:02:47 GMT -5
Nope, Leave them right where they are. You'd be doing the exact same thing but double the work of having to move them around lol
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