DR-250 stack and Yorkvilles U215's! Which one will I like better? - Page 31 - AVS | Home Theater Discussions And Reviews
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post #901 of 928 Old 02-12-2015, 10:50 PM
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I think more people should get some crowsons. The tactile feel they add across the frequency range is nice. I cross mine at 60hz, with some dynamic EQ on the lower end as well.
I'll let you borrow my inuke if I may borrow your Crowsons.


Heh heh! I was gonna say, "Then buy me some Crowsons!" but I'll allow you the privilege of having my just "borrow" them.


Yeah.

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post #902 of 928 Old 02-13-2015, 01:05 AM
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Originally Posted by notnyt View Post
I think more people should get some crowsons. The tactile feel they add across the frequency range is nice. I cross mine at 60hz, with some dynamic EQ on the lower end as well.
I haven't experiences the quality Crowson transducers but I have felt others. Granted I'm on a wood floor but I liked the effect from multiple LMS-5400s even more. Went over to Coach's place for the first time and nicely said I don't like your transducers and your 3 DO HT18s should give you more. I helped him get more out of his 6 HT18s and he ended up pulling his transducers; again not Crowsons and he too is on a wood floor. If I weren't on a wood floor I might want transducers too but glad I'm not on concrete.
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post #903 of 928 Old 02-13-2015, 01:16 AM
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I haven't experiences the quality Crowson transducers but I have felt others. Granted I'm on a wood floor but I liked the effect from multiple LMS-5400s even more. Went over to Coach's place for the first time and nicely said I don't like your transducers and your 3 DO HT18s should give you more. I helped him get more out of his 6 HT18s and he ended up pulling his transducers; again not Crowsons and he too is on a wood floor. If I weren't on a wood floor I might want transducers too but glad I'm not on concrete.
I agree with regular transducers, and on a wood floor they're not needed. The Crowson type, which sit under the chair, are a world different. Very natural feeling. Unless I told you about them, you might not even realize they're running.
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post #904 of 928 Old 02-13-2015, 01:54 PM
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Is there any quick,easy and precise method to determine the resonant frequency of furniture?
Not that I know of; other than hauling a big subwoofer, extension cord, and android phone into the store with you...

That would be great to be able to determine which seating is ULF friendly...just don't know of a practical way, other than folks sharing their makes/models of their ULF resonant HT seating.

Unfortunately, my HT seats/couch are no longer made...
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post #905 of 928 Old 02-13-2015, 01:59 PM
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We need a DIY couch resonator kit. Figure out why some couches resonate and duplicate!
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post #906 of 928 Old 02-13-2015, 02:07 PM
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We need a DIY couch resonator kit. Figure out why some couches resonate and duplicate!
DIY Crowson, eh?

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post #907 of 928 Old 02-13-2015, 02:09 PM
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Get on it Scotty!

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post #908 of 928 Old 02-13-2015, 02:11 PM
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Get on it Scotty!

"I made this new product for extra tactile sensation at the seat. Mind trying it out?"

"Sure!"




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post #909 of 928 Old 02-13-2015, 02:13 PM
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DIY Crowson, eh?
I'm thinking most couches have empty space underneath. Maybe adding some thin paneling in there coupled to the seat framing, but not braced, would vibrate just like peoples pictures and walls do when the bass hits, would do the trick?
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post #910 of 928 Old 02-13-2015, 03:44 PM
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Notnyts's right, the Crowson's never cease to impress. That subtle feeling you get from bass below 15hz - the Crowson's re-create it perfectly IMO but you can get so much more of it than you can from subs. It's fun testing them out down really low, you can feel them all the way down to a 1hz test tone. The seat will move VERY slowly and give you a wobbly/unstable feeling. It's a bit unnerving.

Nearfield sub and a Crowson compliment each other perfectly. I'm constantly playing around with different crossovers for both of them. Currently I have the Crowson HPF set at 40hz but that's about to change to 60 because I just read that Not has his set there and I'm extremely impressionable.
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post #911 of 928 Old 02-13-2015, 04:12 PM
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Notnyts's right, the Crowson's never cease to impress. That subtle feeling you get from bass below 15hz - the Crowson's re-create it perfectly IMO but you can get so much more of it than you can from subs. It's fun testing them out down really low, you can feel them all the way down to a 1hz test tone. The seat will move VERY slowly and give you a wobbly/unstable feeling. It's a bit unnerving.

Nearfield sub and a Crowson compliment each other perfectly. I'm constantly playing around with different crossovers for both of them. Currently I have the Crowson HPF set at 40hz but that's about to change to 60 because I just read that Not has his set there and I'm extremely impressionable.
Carp you need to come visit one day and I need to do the same as well. I want you to experience 5hz in my theater and tell me how it compares to the crowsons. Two movies off the top of my head have a 5hz content and they are "All is Lost" (terrible movie though) and "Lone Survivor". You said you can get so much more out of the crowsons than subs, which maybe they case on concrete slabs, but in my theater it is so obvious that buying crowsons have never crossed my mind. Like I said earlier, If I were in a basement, I think that I might want them. This is why I need to come visit you and see what sub 15hz feels and sounds like.
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post #912 of 928 Old 02-13-2015, 04:23 PM
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Carp you need to come visit one day and I need to do the same as well. I want you to experience 5hz in my theater and tell me how it compares to the crowsons. Two movies off the top of my head have a 5hz content and they are "All is Lost" (terrible movie though) and "Lone Survivor". You said you can get so much more out of the crowsons than subs, which maybe they case on concrete slabs, but in my theater it is so obvious that buying crowsons have never crossed my mind. Like I said earlier, If I were in a basement, I think that I might want them. This is why I need to come visit you and see what sub 15hz feels and sounds like.
I'd love to!! I've never experienced single digits on a suspended floor, always wanted to. The problem is I'm never down your way...

Do you ever make it up close to KC for any reason? If so you'll have to come over for sure!!
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post #913 of 928 Old 02-13-2015, 04:27 PM
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I'd love to!! I've never experienced single digits on a suspended floor, always wanted to. The problem is I'm never down your way...

Do you ever make it up close to KC for any reason? If so you'll have to come over for sure!!

The Eagles play the Chiefs in 2016 and it should be at Arrowhead. I will try to come and visit you then. I know that is a long way away, but I don't have any other reason to go up to KC besides to visit.
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post #914 of 928 Old 02-14-2015, 05:03 AM
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I like the early NFL planning...
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post #915 of 928 Old 02-14-2015, 01:59 PM
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Technically there might be three versions of the Ultra. The old '5400' style had titanium cone and voicecoil former along with a sweet candy apple red basket. I believe the v2 Ultra debuted when TC went bust and changed to Audiopulse for a little while. The current version has the new basket and a stainless steel voicecoil former and aluminum cone. IIRC there was a later change that simply improved the Xmech by shortening the spacer for the spiders.
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The only difference from the newest to the 2010 is the shorter spider support iirc. Anyway, There's not much to see. Maybe 5-10mm shorter. You can see some of the voice coil at the triple joint on the newer ones.
Allow me to derail the thread one more time...

These are the best pictures I could find. Clearly they shortened the spacing between the spiders on the 2012+ models.

2011:



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post #916 of 928 Old 02-14-2015, 02:19 PM - Thread Starter
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Hey guys, should I change the title, just post, or start a new thread for the DIY JBL vs DR-250 comparison? I am waiting on the bottom kits for my 15's and I will get them up and running.
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post #917 of 928 Old 02-14-2015, 02:20 PM
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new thread

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New thread

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post #919 of 928 Old 02-14-2015, 02:33 PM - Thread Starter
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Ok will do. I love the sound quality of the MR-825's as long as they are under 110 dBs as a pair for music. Basically they sound great at 105 dBs but at 110 dBs they start exhibiting that nasal sound at times, probably right at the crossover where the 15 is playing too high. My new JBL's will be crossed from 500-700hz depending on measurements. I ripped down all the insulation from my back subs and front wall and will be covering them in soundboard with black fabric. The soundboard stops rattles and I will line the new speaker shelves with some type of floor padding(soft). I am also adding 3/4 MDF to my front wall to add weight and even out with a smoother surface to attach the sound board. I am keeping the woofers on the ends exposed but you won't see them with the lights out. I will start the new thread and take pics of the process.
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post #920 of 928 Old 02-14-2015, 05:25 PM
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The Eagles play the Chiefs in 2016 and it should be at Arrowhead. I will try to come and visit you then. I know that is a long way away, but I don't have any other reason to go up to KC besides to visit.
Sounds good - btw though, Archaea and Jedimastergrant were over today and we were discussing planning a KC HT tour over a Sat/Sun sometime this spring so maybe that can entice some people our way.
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post #921 of 928 Old 02-14-2015, 05:57 PM
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Hey guys, should I change the title, just post, or start a new thread for the DIY JBL vs DR-250 comparison? I am waiting on the bottom kits for my 15's and I will get them up and running.
Post the thread link here too please. Thanks for putting out the effort to do a public comparison and sharing the info with us.

EDIT: Since I don't want to derail your new thread I'll just do it here. Your methodology sucks. Why did you measure that and not this? Geez, what type of comparison is this...amateur hour. HAHA! Just kidding! I hate when that happens to threads on AVS so hopefully I'm getting it out of other people's systems too.
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post #922 of 928 Old 02-14-2015, 06:34 PM - Thread Starter
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I will measure both when it is time. I have posted before and after DR-250 responses before as well as the MR-825. The 825 extends to about 12-13khz and the DR-'s to about 16khz or so.
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post #923 of 928 Old 02-15-2015, 07:26 AM
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MK, did you ever get those Berry 215XLs in?

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post #924 of 928 Old 02-15-2015, 01:18 PM - Thread Starter
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I could but the owner of the company convinced me the JBL's are much better. He owns the music store and is the lead singer in his band. He said the Berry's are good but the JBL's are better and for the price a no brained so he talked me out of it. He said I am welcome to try either way. After listening to the JBL's for a few days and watching movies in 2 channel only they are impressive.
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post #925 of 928 Old 02-16-2015, 08:42 PM - Thread Starter
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So I have playing around with the JBL MR-825's until my last parts come in and placement is a huge difference with these. The DR's can not fit into the wall anymore and I have to bix them up to ship soon. I can tell you the JBL's are impressive. My baffle helped them a ton. I can toe them in properly as well where I could not my DR's. Here are my new scores:
Single DR-250 with no baffle JBL Pro MR-825 w/ baffle
Detail 1 1
Midbass 1 1
Dynamics 1 1
Big sound 1 1
Smoothness 2 1
Feel 1 2

The smoothness is that softer sound I was describing compared to the DR's harder sound but neither are harsh at reference. I like these JBL's better than the U215's overall but that is just my room. Both the U215's and DR's sound more live than the JBL's. I am building a JBL with a better woofer, horn, and CD which crosses over an octave lower so it could or have the potential to be my favorite. I am sure if I had a huge room with a baffle wall the 4675's I had would be right near the top. To me this shows how good the DR's really are because thy are $300 to build where the others are $800 for the MR-825, $3000 for the 4675, and $2000 for the speaker I am building. However getting everything used levels the playing field. I am not sure which I prefer overall the 825 or DR but that nasal sound is gone! I still bet a DR-280 with 3012HO and upgraded CD's would be king. I am not sure if the CD version would have enough horizontal dispersion in a home setting. I can say I got a bargain with all these speakers.
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post #926 of 928 Old 02-24-2015, 10:31 AM
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I did a little compression sweep testing of the Behringer B2031A. These are great sounding speakers, but they don't have the output requirements I seek to be used for cinema speakers.


I put a little mini review here:


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post #927 of 928 Old 02-24-2015, 10:48 AM - Thread Starter
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Quote:
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I did a little compression sweep testing of the Behringer B2031A. These are great sounding speakers, but they don't have the output requirements I seek to be used for cinema speakers.


I put a little mini review here:


Archaea's multi-purpose Home Theater room

I posted! I agree with your conclusions.

NanoAvr to Outlaw 975
amps-5 Adcom GFA-555's mono's, Sanway FP14K
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post #928 of 928 Old 02-24-2015, 12:08 PM
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@mfusick
@mktheater

i did a little compression sweep testing of the behringer b2031a. These are great sounding speakers, but they don't have the output requirements i seek to be used for cinema speakers.

I put a little mini review here:

Archaea's multi-purpose Home Theater room


saaaaa......

Weeeett!

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