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post #4231 of 4667 Old 03-14-2016, 07:31 AM
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Quote:
Originally Posted by MKtheater View Post
I agree, an earthquake can destroy a home, our subs shake our floors, not the same.
Yup...I hit 7 on the Vibration meter app(above 30hz)...while the tactile sensation is strong, it's by no means knocking buildings down.

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post #4232 of 4667 Old 03-14-2016, 07:36 AM
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Quote:
Originally Posted by Brian Fineberg View Post
which sub should I add to my card if I am adding 2 si 18d4 each in a 4cu' sealed box?
You should of kept sub zilla...or at least kept the drivers and built a couple new cabs. Those were some worthy 15" drivers.

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post #4233 of 4667 Old 03-14-2016, 07:45 AM
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Originally Posted by basshead81 View Post
You should of kept sub zilla...or at least kept the drivers and built a couple new cabs. Those were some worthy 15" drivers.
yeah...wife wasnt having that thing..lol...and she would have been weary of breaking it down...that whole thing was a debacle

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post #4234 of 4667 Old 03-14-2016, 08:06 AM
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Actually the SI is the first one and located on the second chart as well.

Marantz 7702 Atmos
3 Inuke NU4-6000 amps for all speakers.
Speakers- 7 Behringer B215XL's, 4 212xl's for ceiling speakers.
Front subs 8 SI 18ht ported SLLT powered by Peavy IPR 7500
Rear subs 4 SI 18HT ported SLLT powered by Inuke 6000.
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post #4235 of 4667 Old 03-24-2016, 09:20 PM
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Need an update on my setup.

Now have 4 S2's - 2 of them directly firing into my MLP couch. Also will have 3 JTR 215RT's in a few weeks.
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post #4236 of 4667 Old 03-26-2016, 03:49 PM
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Dom, here is the Eot clip with the subs XO at 80 compared to XO at 50 Hz. I forgot and left the mains to large. The other graphs were using a HS filter and these are straight EQ mode. Later I will try the Low Shelf filter high output mode. Contrast this with the data on page 139. Much more fuller.

This graph shows more pickup at the 10 Hz range which is were my cabin gain comes into play with a lesser response between the 15-10 Hz range. A change in setting can change the TR markedly in a room.
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post #4237 of 4667 Old 03-26-2016, 09:24 PM
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Quote:
Originally Posted by derrickdj1 View Post
Dom, here is the Eot clip with the subs XO at 80 compared to XO at 50 Hz. I forgot and left the mains to large. The other graphs were using a HS filter and these are straight EQ mode. Later I will try the Low Shelf filter high output mode. Contrast this with the data on page 139. Much more fuller.

This graph shows more pickup at the 10 Hz range which is were my cabin gain comes into play with a lesser response between the 15-10 Hz range. A change in setting can change the TR markedly in a room.
Very true. Eq and TA play a big part in TR. the 15hz null is a reoccurring phenomenon with most having a null but there's a few that high peak @15. I've had a way harder time flattening TR than I ever did with FR. With my room almost completed I'm gonna pick up where I left off with time alignment. BTW, tomorrow VibSensor as used here celebrates its one year anniversary.
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post #4238 of 4667 Old 03-27-2016, 08:17 AM
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I need to try the vibesensor on my 2 back seats, it is almost unbearable back there.

Marantz 7702 Atmos
3 Inuke NU4-6000 amps for all speakers.
Speakers- 7 Behringer B215XL's, 4 212xl's for ceiling speakers.
Front subs 8 SI 18ht ported SLLT powered by Peavy IPR 7500
Rear subs 4 SI 18HT ported SLLT powered by Inuke 6000.
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post #4239 of 4667 Old 03-27-2016, 04:04 PM - Thread Starter
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Quote:
Originally Posted by raynist View Post
Need an update on my setup.

Now have 4 S2's - 2 of them directly firing into my MLP couch. Also will have 3 JTR 215RT's in a few weeks.


WOW...that there is some JTR firepower...

When you get your new gear, take a Vibsensor reading to fill in the Perceived Shaking and Potential Damage sections.

Well done sir.

EDIT: Pics or your HT doesn't exist.
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post #4240 of 4667 Old 03-27-2016, 04:11 PM - Thread Starter
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Quote:
Originally Posted by derrickdj1 View Post
Dom, here is the Eot clip with the subs XO at 80 compared to XO at 50 Hz. I forgot and left the mains to large. The other graphs were using a HS filter and these are straight EQ mode. Later I will try the Low Shelf filter high output mode. Contrast this with the data on page 139. Much more fuller.

This graph shows more pickup at the 10 Hz range which is were my cabin gain comes into play with a lesser response between the 15-10 Hz range. A change in setting can change the TR markedly in a room.
So, is this with the Aura's then? Can you post and compare the two graphs?
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post #4241 of 4667 Old 03-27-2016, 04:16 PM - Thread Starter
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Quote:
Originally Posted by coolrda View Post
BTW, tomorrow VibSensor as used here celebrates its one year anniversary.
I hereby declare 3/27 as Vibsensor day!

On a serious note, we need more data! The data that Vibsensor provides is as important as Frequency Response (or perhaps even more important!)...it's that big of a deal, IMO.

And yes, I know I'm delinquent on this myself...
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post #4242 of 4667 Old 03-27-2016, 04:23 PM - Thread Starter
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Of the tests that have been provided thus far comparing the Tactile Response of Ported vs Sealed around tune, there's overwhelming evidence that ported provides an advantage.

Assuming that is correct, if we ported our mains around mid-bass frequencies, would we not get more "mid-bass" slam?

Where do folks consider the frequencies of mid-bass slam are, and who has mains that are ported around that tune? It would be a very interesting test to cross-over right below the ported mains and then compare them with a higher cross-over to the subs...

Do you get more mid-bass slam with a lower sub cross-over?
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post #4243 of 4667 Old 03-27-2016, 08:51 PM
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Quote:
Originally Posted by dominguez1 View Post
So, is this with the Aura's then? Can you post and compare the two graphs?
These Vibsensor graphs are just the subs without the shakers. I just put a rack system in and relocated all the amp and re-wired some of the subs for a longer run. I need to get more wire to do the shakers. Once this is done, I will test the system with and without the shakers.

This is the nice thing about the I Nuke DSP amps, you can shape the FR many different ways. With the Pioneer Elite avr, I can run the subs in 4 different modes, MCACC, HS filter, LS filter and straight PEQ. All give excellent results and good ULF.
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post #4244 of 4667 Old 03-27-2016, 10:05 PM
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Quote:
Originally Posted by derrickdj1 View Post
These Vibsensor graphs are just the subs without the shakers. I just put a rack system in and relocated all the amp and re-wired some of the subs for a longer run. I need to get more wire to do the shakers. Once this is done, I will test the system with and without the shakers.

This is the nice thing about the I Nuke DSP amps, you can shape the FR many different ways. With the Pioneer Elite avr, I can run the subs in 4 different modes, MCACC, HS filter, LS filter and straight PEQ. All give excellent results and good ULF.
I nominate you as VS tester of the month with MK a close second . Nothing better than having your electronics racked. Looks like I'm gonna deploy a tactile system in the near future to keep the peace. I currently have Aura but have settled on either BK LFE's or Crowson's. When you get a chance post the flat TR and FR of your TT's with a mount pic. Very interested in seeing how TT's measure especially in the below 10hz region.
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post #4245 of 4667 Old 03-28-2016, 04:27 AM
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My lineup needs updating.

I now have a sealed si18 4cu' powered by an inuke6000 to the mix

so that makes

2- xs30
1- xs30se
1 si18 4cu'sealed

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post #4246 of 4667 Old 03-28-2016, 02:15 PM
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Quote:
Originally Posted by dominguez1 View Post


WOW...that there is some JTR firepower...

When you get your new gear, take a Vibsensor reading to fill in the Perceived Shaking and Potential Damage sections.

Well done sir.

EDIT: Pics or your HT doesn't exist.
Here is EOT at reference.

Did I do this correctly? How do I read the graph?

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post #4247 of 4667 Old 03-28-2016, 03:10 PM
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raynist, take snap shots of the other graphs. When you view data, there should be 5 graphs. It looks like you have strong 10 Hz output. The subs are nearfield and are the seats on a riser? Coolrda will look over the graphs and give you some more feedback. It's nice getting some more Vibsensor data!
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post #4248 of 4667 Old 03-28-2016, 03:14 PM
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Quote:
Originally Posted by derrickdj1 View Post
raynist, take snap shots of the other graphs. When you view data, there should be 5 graphs. It looks like you have strong 10 Hz output. The subs are nearfield and are the seats on a riser? Coolrda will look over the graphs and give you some more feedback. It's nice getting some more Vibsensor data!
Ok - I will post them here. 2 S2's are behind the couch. Couch and subs are on a cement slab in the basement.

I also have another system with 4 Powersound Audio Triax's on a suspended floor - 2 nearfield. I will try that on later this week.










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post #4249 of 4667 Old 03-28-2016, 03:26 PM
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I am also on concrete in the basement without a riser. It's nice to see other TR's graphs with a similar setup. You also dealing with a fairly large space. I am around 4300 cu ft. I have a feeling if that system was upstairs, you would tear the house down, lol.
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post #4250 of 4667 Old 04-01-2016, 07:45 AM
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Quote:
Originally Posted by raynist View Post
Ok - I will post them here. 2 S2's are behind the couch. Couch and subs are on a cement slab in the basement.

I also have another system with 4 Powersound Audio Triax's on a suspended floor - 2 nearfield. I will try that on later this week.









Nice job @raynist . You nailed it. I liked that your ULF card was right above the five VS graphs and we should all incorporate that when posting VS results. What is remarkable is your logPSD response @10hz. Its equal or above with corresponding frequencies in amplitude and where it should be according the the vibration graph(I'll comment on this later). Could be room size, placement in the room, concrete floor, etc. It would be good to get a top down sketch/layout of your room, no hurry though. This is something for all that has posted here should do at some point. Anyway, good job man. I'll get your data posted on the VS thread soon.
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post #4251 of 4667 Old 04-01-2016, 09:01 AM
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I was curious about his 10 Hz output compared to the drop around 20 Hz. I need a new ULF card but, have not seen the SI eq. for the full Marty or Mini. I need these before I can do that. One day I will get to learning Win ISD and can do the sims myself.

Seeing the ULF card with VS data really help to see what is going on in the room, room size and type of subs.

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post #4252 of 4667 Old 04-03-2016, 12:10 PM
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Since I converted 2 sealed LMS-18 boxes to HzHorns, I was thinking of re-routing it and throwing a pair of FTW-21's in those.
I'd also like to throw out my old kickbin boxes, and beef them up into two corner-loaded 7ft tall dual-opposed's with 16 18" Daytons, 4 on each side.

That will more-than give me back all the single digit ULF I lost, plus more mid-bass too.

Which would give me this score:

Which is approaching the limit of what my floor-space allows and electrical grid can support!

At which point I think I'm gonna throw in the towel. I'm done with subs for now. (But I still want more bass..... I think? )
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post #4253 of 4667 Old 04-03-2016, 08:41 PM
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With a ULF score of 39-50, I can't believe you are missing any mid bass, lol.
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post #4254 of 4667 Old 04-06-2016, 08:13 AM
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my new card:

1 PSA XS30se
1 PSA XS30
1 DS4 sealed (used UM18 since they will be similar) - nearfield
2 SI18D4 sealed

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post #4255 of 4667 Old 04-08-2016, 09:58 AM
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@dominguez1 ,

Are the Infinity 1262s in the template? I purchased 4 of those to run a pair on each channel of a 3000DSP.
That would make my card from 2 UM-18s to: 2 SI HT18s and 4 1262s (2 UM-18s).

From what I understand, 4 1262s just surpass a single UM-18 so I suppose I can just say 3 UM-18s and 2 SI HT18s?
Unfortunately, I will be placing each pair of 1262s on either side of the room, (1150 cu. ft.) so I'm not sure how that factors for better or worse (-3dB compared if all 4 were co-located?).

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post #4256 of 4667 Old 04-08-2016, 06:21 PM
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With a ULF score of 39-50, I can't believe you are missing any mid bass, lol.
The ULF is the hard part, chest pounding mid bass comes automatically when ULF is achieved.

BTW, that is score of 59-77, 39-50 is SI equivalent.
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post #4257 of 4667 Old 04-09-2016, 07:16 AM
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does this get me into the 5hz club?

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post #4258 of 4667 Old 04-09-2016, 07:20 AM
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it does if you can hit 115db @ 5hz.

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post #4259 of 4667 Old 04-09-2016, 07:42 AM
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it does if you can hit 115db @ 5hz.
well damn! so how do I see if I can get that loud? this is with all calibrated etc...just keep cranking the sub level in the aver? and the MV on avr?

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post #4260 of 4667 Old 04-09-2016, 08:25 AM
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Actually you need to be flat to 5hz or maybe -3 dB. The level will tell you your star score like a 4.5 or 5.0 which is reference and over reference.
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