Help me with this please!!

[stiehl11]

It looks like your sub is rolling off after 70 hertz and your mains are rolling off at 90~100. Do you have a xover not set right? I would see if you have the sub and the mains set at a 12db cut off rather than a 24db (if I have that right, maybe reversed) or maybe see if you can bring the mains down or the sub up a bit? Take out that gap and it looks to be decent.

[selkec]

OK I give up. Just like last time this REW program gets on my last nerves. Im just going to set back and enjoy and think about my next upgrade instead of nit picking my sound because I love the sound......I ran more sweeps with and without the panel and that big dip never showed up this time. It was not as smooth as before but big dip gone. Im done worrying about it. the reading are not consistant enough. and I put every thing right back where it was in the previous testing. So thank you all for your assistance. I believe I will remove REW from my comp and move on.

[selkec]

this was what my last test gave me. nothing is consistant enough. SO trying to make anything better is pointless.

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[selkec]

Dec 11, 2011 19:30:37 GMT -5 stiehl11 said:

It looks like your sub is rolling off after 70 hertz and your mains are rolling off at 90~100. Do you have a xover not set right? I would see if you have the sub and the mains set at a 12db cut off rather than a 24db (if I have that right, maybe reversed) or maybe see if you can bring the mains down or the sub up a bit? Take out that gap and it looks to be decent.

what is this 12 or 24 db cutoff. I have never heard of or seen this on any mcacc screen or on my sub. DOnt think I have that option

[hemster]

Dec 11, 2011 20:03:14 GMT -5 selkec said:

OK I give up. Just like last time this REW program gets on my last nerves. Im just going to set back and enjoy and think about my next upgrade instead of nit picking my sound because I love the sound......I ran more sweeps with and without the panel and that big dip never showed up this time. It was not as smooth as before but big dip gone. Im done worrying about it. the reading are not consistant enough. and I put every thing right back where it was in the previous testing. So thank you all for your assistance. I believe I will remove REW from my comp and move on.

Sometimes, leaving well enough alone is the ticket. Just fill the time you would've spent on it listening to your favorite tunes and kick back... after all enjoyment is a prime motivation in this hobby and absolute perfection is sometimes soooo frustrating!

[stiehl11]

Dec 11, 2011 20:09:35 GMT -5 selkec said:

Dec 11, 2011 19:30:37 GMT -5 stiehl11 said:

It looks like your sub is rolling off after 70 hertz and your mains are rolling off at 90~100. Do you have a xover not set right? I would see if you have the sub and the mains set at a 12db cut off rather than a 24db (if I have that right, maybe reversed) or maybe see if you can bring the mains down or the sub up a bit? Take out that gap and it looks to be decent.

what is this 12 or 24 db cutoff. I have never heard of or seen this on any mcacc screen or on my sub. DOnt think I have that option

That's the slope of the cutoff. When you cut at 80 hertz on your mains you still get sound below that. The slope or roll off is generally selectable depending on the equipment used to do the cross over. I first used this on my crossover for my car system back in the day. The UMC-1 was the first AVR/Pre-pro that I owned that had it.

[selkec]

Yeah the elite does not have this slope as far as I can see.

ANd yep=. Im just going to set back and enjoy like I have been. I was just bored yesterday and firuged I would try it.

[DYohn]

Wow. That's really not good. You should not have that huge dropout around the Xover frequency. Which Xover are you using - the one in the receiver or the one in the subwoofer? With the mains set to "Large" they are not being crossed at all, thus the higher SPL, but since the shape of the curve is the same there is something wrong. Your sub is not adding much at all, and it could be out of phase with the mains, but I suspect you are cascading Xovers and creating a much steeper slope than you want.... Are you?

[selkec]

Dec 12, 2011 0:21:43 GMT -5 DYohn said:

Wow. That's really not good. You should not have that huge dropout around the Xover frequency. Which Xover are you using - the one in the receiver or the one in the subwoofer? With the mains set to "Large" they are not being crossed at all, thus the higher SPL, but since the shape of the curve is the same there is something wrong. Your sub is not adding much at all, and it could be out of phase with the mains, but I suspect you are cascading Xovers and creating a much steeper slope than you want.... Are you?

I am using the xover in the elite at 80hz. Not the xover on the sub. I just dont like REW. ugh....My sub is definately adding a ton to my system. It alone puts out 125db at my seating position when I tested it to see how loud it could go.
Im definately not cascading xovers. As for phase. I let mcacc run and nothing is out of phase. I even switched the phase to just see what it did and I noticed nothing. I didnt run tests but my ears could tell no difference. But to me I think when my mains are set to large it seems like I have less bass to my ears. The REW may not show it but I can hear less. So I keep all speakers set to small and xover at 80hz. With the mains at large the gun shots and some sounds seem more dynamic and in your face but the overall lower bass seems less to me.

[DYohn]

Mains set to small (no matter what kind of speaker they are) and both sub and main Xover set to 80Hz is the way to go.

REW is a good tool but yes it can be frustrating, especially when using an inaccurate and unreliable sensor like a Rat Shack SPL meter. Yes, yes, all you Radio Shack meter lovers, I know, it can be a great tool. But it sucks the great green weenie in the sky compared to a genuine calibrated measurement microphone (like my Earthworks M50.) And I'll stand by that statement all day long.

[selkec]

so I broke out all the crap again and took more sweeps. they will follow. the first is a graph of 2 sweeps one xover at 80 and the other at 100hz. I can barely see any change in the two.

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[selkec]

sub only 80hz

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[DYohn]

Again, something like the Antimode could really tame that huge boom around 45Hz. But if you like it why mess with it?

[selkec]

Dec 12, 2011 12:34:25 GMT -5 DYohn said:

Mains set to small (no matter what kind of speaker they are) and both sub and main Xover set to 80Hz is the way to go.

REW is a good tool but yes it can be frustrating, especially when using an inaccurate and unreliable sensor like a Rat Shack SPL meter. Yes, yes, all you Radio Shack meter lovers, I know, it can be a great tool. But it sucks the great green weenie in the sky compared to a genuine calibrated measurement microphone (like my Earthworks M50.) And I'll stand by that statement all day long.

I only see one xover in the elite and its at 80hz. My sub dial xover is all the way at180hz or wide open, volume about 9oclock and phase at 0....
I have heard that its not good to also set your sub dial xover at the same. plus its all a guessing game with it since its a dial.

[selkec]

Dec 12, 2011 12:38:48 GMT -5 DYohn said:

Again, something like the Antimode could really tame that huge boom around 45Hz. But if you like it why mess with it?

The thing is there is no huge boom at anyting really when I run the sweep with both together. Its just with the sub by itself. But Since I dont listen to just the sub. Wouldnt the sub+ main graph be the one to be looking at? This confuses me. But seems to me my sub and mains work pretty good together. the graph has no huge dips or anything really. Does it??

[DYohn]

Dec 12, 2011 12:39:33 GMT -5 selkec said:

I only see one xover in the elite and its at 80hz. My sub dial xover is all the way at180hz or wide open, volume about 9oclock and phase at 0....
I have heard that its not good to also set your sub dial xover at the same. plus its all a guessing game with it since its a dial.

That would be correct. Defeat the sub amp Xover or turn it all the way to its highest setting.

[selkec]

so i set the mains to small and I get this. Does not lok as good to me as them set to large. what do you think

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[DYohn]

What you're seeing now is the output from your sub, with the mains filling in above the Xover like they should be doing. NOW you can see the boom in the sub output that the curve of it alone shows. The reason you can't see it with the mains set to full range is their woofers are masking the effect. The problem with that is the smaller woofers in the mains will reach their limits way before the sub does, so if you're watching something with big explosions in it, the mains woofers could easily bottom out, distort, and maybe even fry depending on your amp. It is much better to let the big diaphragm of a sub do that work.

SO, with the mains set to small and the Xover at 80, adjust the sub level up about +6db, and then get an antimode or other sub EQ that can tame that boom, and you're in business.

[selkec]

Thank you Dyohn. I believe I will try the mini dsp. It seems like its reasonable. The anti mode is three times the price and I dont like the looks or idea of the BFD in my system.

[selkec]

Or what about the EQ2 from elemental designs. Its only 100. Would that do the job?