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post #11041 of 11718 Old 08-22-2014, 02:04 PM
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Originally Posted by tuxedocivic View Post
Ya I tested the DNA-360 on the back of the Beta 10CX and was like, blah...
Tux are you working on your own coax design now?
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post #11042 of 11718 Old 08-22-2014, 02:05 PM
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No. Was just playing around to see what it could do. I bought a Beta 10CX to build a monitor or something and figured why not try.
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post #11043 of 11718 Old 08-23-2014, 05:06 PM
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I'm happy to say that the final piece of the puzzle is done and the Fusion Line is nearly complete.

Typical bad photo for all my friends here to make fun of:





This model took a while due to woofer changes, getting the correct ports, other projects, etc. But I think it will prove to be worth the wait. MTG90 did a great job on this model, spent a lot of time tweaking things, and of course put up with too many emails from me over the past 6 months.

I'll try to design a flat pack and get it cut fairly soon.

Measurements:

On Axis:




Check out the SEOS-15 showing it's off axis performance:

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post #11044 of 11718 Old 08-23-2014, 05:46 PM
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Matt says midrange is better then my v2 minions so it is stellar. Way to go guys. Can't wait to see a build thread for these.
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post #11045 of 11718 Old 08-23-2014, 06:04 PM
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If that retail cost is correct, I may very well be the first to build a set! I can't wait for these to available!
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post #11046 of 11718 Old 08-23-2014, 06:09 PM
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Originally Posted by J_P_A View Post
If that retail cost is correct, I may very well be the first to build a set! I can't wait for these to available!
Go for it...
I love spending other peoples
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post #11047 of 11718 Old 08-23-2014, 06:14 PM
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Hopefully you guys will help with me with the measurements. I'll need verticals to go with those off axis plots.

How does the 15" driver compare to the 12" driver in the Fusion 12?

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post #11048 of 11718 Old 08-23-2014, 07:12 PM
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The Deltalite is a great woofer with very low distortion. It has a curvilinear cone which was one thing I was hoping to use in the Fusion-15. The Cheap Thrills woofer cone also had that shape.

The Fusion-15 goes pretty low, but still probably shouldn't be considered full range. It could be if the box was bigger, but I figure most people building the Fusion line are guys that will be running subwoofers anyway, so the box was made smaller and tuned higher.


PE was out of Deltalites a couple weeks ago so I couldn't order one and get the pictures. Then they came in stock.....but only had 2. I grabbed those, but they only have 2 in stock again. Maybe that's all they keep in stock for that woofer. I'll have to order a larger amount than that so they get them in quicker.
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post #11049 of 11718 Old 08-23-2014, 07:21 PM
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I don't have nice verticals graphs yet, just because it's a pain to setup the speaker hanging off one side of my turntable so that the center between the drivers is on the axis of rotation. +- 20 degrees vertical should still be within +-3dB.


But I'll see if I can get those soon.
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post #11050 of 11718 Old 08-23-2014, 08:14 PM
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I see the 12" woofer is rated for a little more power. Can I still expect the same (or better) bass from the 15" woofer? I'm planning to run a sub and cross it around 80 Hz, but I still want to get that "midbass" punch.

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post #11051 of 11718 Old 08-23-2014, 08:28 PM
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What are you going to be powering them with?

Have you ever heard a 15" pro audio woofer in your home with a few hundred watts?
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post #11052 of 11718 Old 08-23-2014, 08:35 PM
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Initially I'll probably run them off of an AVR, but I have a pair of Sherbourn PA 7-350 amps I'm planning to use for my theater.

And no, I've never owned a set of speakers anywhere near the quality of these. Can you tell me what I should expect? I'm hoping you'll tell me I'll be impressed

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post #11053 of 11718 Old 08-23-2014, 10:13 PM
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The 2515 has more displacement and higher sensitivity in bass range, meaning it can play louder and also do so with less power. You'll be well above 120dB with that Sherbourn but even a cheap AVR should drive them above reference in most rooms with plenty left in the tank. With an 80hz crossover it should survive 1000w peaks though you might want to upgrade a couple things in the crossover if using more then 400-500w.


But at that wattage you are closing in on 130dB and no one "needs" that
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post #11054 of 11718 Old 08-23-2014, 10:28 PM
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Will these go well with a cinema88 center?
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post #11055 of 11718 Old 08-23-2014, 10:30 PM
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Matt, if you had to point out the major differences between this version of the Sentinels and the previous one, what would they be?
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post #11056 of 11718 Old 08-23-2014, 10:52 PM
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The Deltalite woofer in this one has lower distortion and I feel a better midrange though that could just be the better crossover implementation. It does not have quite the excursion or thermal dissipation capability of the B&C but for most this is a non issue.

The SEOS-15 gives a better directivity match to the woofer and allows for a lower crossover point.

Big crossover improvements across the whole range, better balance, smoother, more detailed and the improved midrange.

2.83v sensitivity is 2-3dB higher at the expense of some loss of low end extension <60 Hz.
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post #11057 of 11718 Old 08-23-2014, 11:01 PM
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Quote:
Originally Posted by mtg90 View Post
The Deltalite woofer in this one has lower distortion and I feel a better midrange though that could just be the better crossover implementation. It does not have quite the excursion or thermal dissipation capability of the B&C but for most this is a non issue.

The SEOS-15 gives a better directivity match to the woofer and allows for a lower crossover point.

Big crossover improvements across the whole range, better balance, smoother, more detailed and the improved midrange.

2.83v sensitivity is 2-3dB higher at the expense of some loss of low end extension <60 Hz.
Thank you Matt, this sounds fantastic. I am especially intrigued about the substantial crossover improvements resulting in your comments about the "midrange." Since the majority of owners will likely be using at least one sub and, am sure in many cases, several subs, that "loss" in the low end will be inconsequential.

Bravo on a job well done, Matt!!
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post #11058 of 11718 Old 08-24-2014, 05:46 AM
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I'll take three

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post #11059 of 11718 Old 08-24-2014, 06:01 AM
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Quote:
Originally Posted by doc5150 View Post
Will these go well with a cinema88 center?
Same SEOS-15 and same tweeter, so I'd say very well indeed.
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Building a HT with 7.2.4 layout and ◤SEOS-24◥ LCR.
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post #11060 of 11718 Old 08-24-2014, 06:20 AM
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The Eminence factory isn't that far from Dayton, OH...

AE GB $$$ sent 10-18-11; TD15M arrive 01-16-13, ...454 days
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post #11061 of 11718 Old 08-24-2014, 07:28 AM
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Eminence is only about 1.5 hours from me. I drove my dump truck there a few years ago to pick up pallets of the old MFW-15 subwoofers for the big group buy. I think I can fit 6 pallets in the back.

Betting it was the first time they ever loaded woofers into a dump truck!
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post #11062 of 11718 Old 08-24-2014, 07:59 AM
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Quote:
Originally Posted by J_P_A View Post
I see the 12" woofer is rated for a little more power. Can I still expect the same (or better) bass from the 15" woofer? I'm planning to run a sub and cross it around 80 Hz, but I still want to get that "midbass" punch.
you want need that much power to get these to play LOUD
assuming the preform similar to the orig version, you wont need more than a AVR. Rillas are getting like 200 WPC and will go to deafening levels
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post #11063 of 11718 Old 08-24-2014, 01:14 PM
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Erich (or anybody else, if they know) - The 3cuft box on the site lists only the measurements for two of the options, in terms of outer baffle diameter and recess. Do you happen to have the numbers for the rest of the options, handy?

  • Dayton Reference Series 15" woofer
  • Dayton Titanic 15" woofer
  • Stereo Integrity 15" woofer
  • Dayton DVC385 15" woofer (or MFW)
  • Dayton 15" Ultimax
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post #11064 of 11718 Old 08-24-2014, 05:55 PM
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Put me down for two!!! Can we Pre-order?
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post #11065 of 11718 Old 08-25-2014, 09:26 AM
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As I mentioned above, I'm in for three. I'd pre-order as well if it helps. Not sure if that makes it any easier on Erich or not.
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post #11066 of 11718 Old 08-26-2014, 06:14 AM
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Quote:
Originally Posted by kapone View Post
Erich (or anybody else, if they know) - The 3cuft box on the site lists only the measurements for two of the options, in terms of outer baffle diameter and recess. Do you happen to have the numbers for the rest of the options, handy?

  • Dayton Reference Series 15" woofer
  • Dayton Titanic 15" woofer
  • Stereo Integrity 15" woofer
  • Dayton DVC385 15" woofer (or MFW)
  • Dayton 15" Ultimax
Anybody?
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post #11067 of 11718 Old 08-26-2014, 06:45 AM
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Are you trying to order this from Erich or know the dimensions for yourself to build a box?
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post #11068 of 11718 Old 08-26-2014, 07:27 AM
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Originally Posted by chrapladm View Post
Are you trying to order this from Erich or know the dimensions for yourself to build a box?
I will be ordering these from Erich, but the woofers I plan to use are not in that list, hence why I need the measurements. The inner baffle cutout at 14.1" is perfectly fine, it's the outer baffle cutout and recess that I need to look at.
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post #11069 of 11718 Old 08-26-2014, 08:55 AM
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That question is probably best for the flat pack thread. But either way, I'm not 100% sure what the dimensions are because they are tweaked to fit the woofer listed. Best bet is to check what the manufacturer says the diameter of their woofer is.....that would be the cut out size on those boxes.
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post #11070 of 11718 Old 08-26-2014, 06:26 PM
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My SEOS 15's from awhile ago have been aching for a new speaker to go into.

In honest opinions, would I be better keeping my TD12X custom towers, or would the new Fusion 15 provide better performance? I don't need full range, as I have two 18" subs. I could also use a little less height right now than the 40" of the towers, as I just installed a projector and the tower speaker height is keeping me from reaching "optimal" screen size.
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