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Search: Keyword(s): ; Posts Made By: dominguez1
Forum: DIY Speakers and Subs   08-25-2016, 07:01 PM
Replies: 21
Views: 612
Posted By dominguez1
This sub needs a name. :cool: I hereby...

This sub needs a name. :cool:

I hereby proclaim thee as:



The Particle Velociraptor
Forum: Subwoofers, Bass, and Transducers   08-25-2016, 04:38 AM
Replies: 161
Views: 9,046
Posted By dominguez1
This thing IS the king of all kings...wow! What a...

This thing IS the king of all kings...wow! What a beast...there has to be huge price/value there.

This is going to inspire me to update the ULF calculator...

Congrats Jeff!
Forum: DIY Speakers and Subs   08-24-2016, 07:17 PM
Replies: 21
Views: 612
Posted By dominguez1
3ll3d00d This is the first sub in existance...

3ll3d00d

This is the first sub in existance that I know of that is being build to specifically focus on maximizing Particle Velocity, and the resulting Tactile Response increase! Just...
Forum: Subwoofers, Bass, and Transducers   08-24-2016, 07:09 PM
Replies: 4,644
Views: 149,320
Posted By dominguez1
Ummmm...this is going to be awesome. Will...

Ummmm...this is going to be awesome.

Will discuss in your build thread... :cool:

His design is aimed to MAXIMIZE TR with two separate tunes!!! One for ULF and one for midbass. First sub in...
Forum: Subwoofers, Bass, and Transducers   08-24-2016, 07:03 PM
Replies: 4,644
Views: 149,320
Posted By dominguez1
http://www.avsforum.com/forum/attachment.php?attac...

http://www.avsforum.com/forum/attachment.php?attachmentid=1618153&d=1471959063

^^^That is some massive PVL. At what db is this? In comparison, how does a ported PV look like at the same output?
Forum: Subwoofers, Bass, and Transducers   08-24-2016, 07:00 PM
Replies: 4,644
Views: 149,320
Posted By dominguez1
Yup, good point. I originally thought since a...

Yup, good point. I originally thought since a Passive Radiator's FR is shaped like a ported sub and has a 'tune', that perhaps it might generate more PVL around tune. But your discovery would imply...
Forum: Subwoofers, Bass, and Transducers   08-23-2016, 10:04 AM
Replies: 486
Views: 11,282
Posted By dominguez1
Ahhh, you're asking me to think practically when...

Ahhh, you're asking me to think practically when spending others money...I don't like normally doing that, but guess I will. ;)

If the fv's near field didn't do much, its likely the fv25hp will...
Forum: Subwoofers, Bass, and Transducers   08-22-2016, 08:18 PM
Replies: 486
Views: 11,282
Posted By dominguez1
My 1200d is probably 2ft away from my chest and I...

My 1200d is probably 2ft away from my chest and I still get that slam...I can't imagine what you're getting!

Can you get over how tiny this thing is but yet how much TR it produces? And $300? Just...
Forum: Subwoofers, Bass, and Transducers   08-22-2016, 08:13 PM
Replies: 486
Views: 11,282
Posted By dominguez1
40hz +10db for me. I used omnimic realtime to...

40hz +10db for me. I used omnimic realtime to dial in the 1200d by adjusting the boost dial. 40hz gave me the smoothest response.
Forum: Subwoofers, Bass, and Transducers   08-22-2016, 06:23 PM
Replies: 4,644
Views: 149,320
Posted By dominguez1
We are really unraveling a mystery here...another...

We are really unraveling a mystery here...another great data point!

So, based on this, can we conclude that a sealed design producing a clean 'x' db output will produce the same PVL for that...
Forum: Subwoofers, Bass, and Transducers   08-22-2016, 06:14 PM
Replies: 4,644
Views: 149,320
Posted By dominguez1
This is fantastic. It's very clear that ported...

This is fantastic. It's very clear that ported subs around tune produce more PVL. This was just a hypothesis until your findings. Now it is clear as day!:D

This is HUGE my friends! :cool:
...
Forum: Subwoofers, Bass, and Transducers   08-21-2016, 07:40 PM
Replies: 4,644
Views: 149,320
Posted By dominguez1
SBuger Great reviews of your experience with...

SBuger

Great reviews of your experience with TTs and NF! That was very helpful to our discussion!

derrickdj1

Also, great feedback. Similar to sbuger's response

coolrda
Forum: Subwoofers, Bass, and Transducers   08-21-2016, 07:20 PM
Replies: 4,644
Views: 149,320
Posted By dominguez1
3ll3d00d While you're feeling curious... ...

3ll3d00d

While you're feeling curious...

Do larger drivers produce more PVL than smaller ones?

Does larger xmax drivers produce more PVL than smaller xmax drivers that have the same diameter?
Forum: Subwoofers, Bass, and Transducers   08-21-2016, 07:17 PM
Replies: 4,644
Views: 149,320
Posted By dominguez1
Ahhh...me likey. :cool: I love...

Ahhh...me likey. :cool:


I love this....designing subs to optimize PVL and 'aiming' the PVL at seats...:D
Forum: Subwoofers, Bass, and Transducers   08-21-2016, 07:12 PM
Replies: 4,644
Views: 149,320
Posted By dominguez1
3ll3d00d This is the biggest discovery we've...

3ll3d00d

This is the biggest discovery we've had about the physics behind PVL and subs! :eek::eek::eek:

This was the hypothesis we had back 3 years ago here...
Forum: Subwoofers, Bass, and Transducers   08-21-2016, 06:49 PM
Replies: 486
Views: 11,282
Posted By dominguez1
^^^this. It will still do a good job, just...

^^^this.

It will still do a good job, just not as good as a ported sub tuned in the mid bass region.
Forum: Subwoofers, Bass, and Transducers   08-21-2016, 10:09 AM
Replies: 4,644
Views: 149,320
Posted By dominguez1
Wow...this is a great find! :eek: :cool: ...

Wow...this is a great find! :eek: :cool:

This confirms the hypothesis that around tune, there is more PVL for the ported sub compared to sealed.

Given that Sound Intensity (SIL) = Particle...
Forum: Subwoofers, Bass, and Transducers   08-19-2016, 03:31 PM
Replies: 486
Views: 11,282
Posted By dominguez1
T, when you tried the Fv in the corner, did you...

T, when you tried the Fv in the corner, did you level match? If you notice it too much, turn it down in the back.

How was TR when back there?
Forum: Subwoofers, Bass, and Transducers   08-19-2016, 02:26 PM
Replies: 486
Views: 11,282
Posted By dominguez1
Hey T! Thanks for joining the fun. I'd...

Hey T! Thanks for joining the fun.

I'd definitely choose the fv25hp over the mbm. As much as I love the mbm, I wouldnt trade it for the ULF shake that I get from my fv15hps.

Plus, that fv25hp...
Forum: Subwoofers, Bass, and Transducers   08-19-2016, 07:53 AM
Replies: 25,723
Views: 1,665,958
Posted By dominguez1
If this isn't on the rythmik site, it should be...

If this isn't on the rythmik site, it should be front and center. This is amazing and quite impressive!

There was a thread on db on why some couldn't recreate the performance of the fv15hp in a...
Forum: Subwoofers, Bass, and Transducers   08-18-2016, 07:46 PM
Replies: 4,644
Views: 149,320
Posted By dominguez1
Was TR different in each of those config? Which...

Was TR different in each of those config? Which was the most/least? Was that without the MA?
Forum: Subwoofers, Bass, and Transducers   08-18-2016, 07:05 PM
Replies: 4,644
Views: 149,320
Posted By dominguez1
Also, I've owned TTs (Clark's), and they didn't...

Also, I've owned TTs (Clark's), and they didn't come close to recreating the nearfield sub experience.

The difference? PR.
Forum: Subwoofers, Bass, and Transducers   08-18-2016, 07:03 PM
Replies: 4,644
Views: 149,320
Posted By dominguez1
Yes...having TT's it is MUCH MUCH easier to dial...

Yes...having TT's it is MUCH MUCH easier to dial in your TR. That's for sure. And most folks don't have the option to build a ported IB and TTs are a great way to get that reference TR! No argument...
Forum: Subwoofers, Bass, and Transducers   08-18-2016, 06:55 PM
Replies: 4,644
Views: 149,320
Posted By dominguez1
I get it...don't argue the point about balance at...

I get it...don't argue the point about balance at all. I agree.

Let's not forget though that PR is more than just pressure (weight, ear popping)...when you have a nearfield sub right at your back,...
Forum: Subwoofers, Bass, and Transducers   08-18-2016, 06:31 PM
Replies: 4,644
Views: 149,320
Posted By dominguez1
No. Look back, his SPL actually was lower with...

No. Look back, his SPL actually was lower with the ported, but his TR stayed the same. I never understood the room gain ratio you're referring to, so won't try and speak in those terms. What we do...
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