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Search: Keyword(s): ; Posts Made By: notnyt
Forum: DIY Speakers and Subs   08-25-2016, 11:18 PM
Replies: 54
Views: 1,043
Posted By notnyt
here we go again... don't think that was quite...

here we go again... don't think that was quite necessary this time, though.
Forum: Subwoofers, Bass, and Transducers   08-25-2016, 08:22 PM
Replies: 153
Views: 8,741
Posted By notnyt
This is not correct, the gain dial is irrelevant...

This is not correct, the gain dial is irrelevant if the sub is maxed out. It's just there to adjust frequency response.
Forum: DIY Speakers and Subs   08-25-2016, 04:14 PM
Replies: 41
Views: 1,338
Posted By notnyt
all good.. I made an overlay to make sure...

all good.. I made an overlay to make sure anyway... comparison of winisd 2v vs databass 2v measurements

http://i.imgur.com/yaQwrgD.png

EDIT: and looking back at the winisd graph, I whited out...
Forum: DIY Speakers and Subs   08-25-2016, 03:50 PM
Replies: 41
Views: 1,338
Posted By notnyt
winisd doesn't model complex impedance, so that's...

winisd doesn't model complex impedance, so that's why data-bass measures above winisd in the midband.
Forum: DIY Speakers and Subs   08-25-2016, 03:14 PM
Replies: 41
Views: 1,338
Posted By notnyt
That paragraph is talking about the databass...

That paragraph is talking about the databass measurements vs the CEA2010 burst spec measurements, which specify peak.

WinISD models RMS SPL. Databass measures RMS SPL. No conversion needed for...
Forum: DIY Speakers and Subs   08-25-2016, 03:09 PM
Replies: 41
Views: 1,338
Posted By notnyt
WinISD models ground plane @ 1 meter. It's a 6db...

WinISD models ground plane @ 1 meter. It's a 6db difference from data-bass.

"Peak RMS" is gibberish.
Forum: DIY Speakers and Subs   08-25-2016, 03:00 PM
Replies: 41
Views: 1,338
Posted By notnyt
Except it doesn't, and your comparisons were...

Except it doesn't, and your comparisons were flawed.
Forum: DIY Speakers and Subs   08-25-2016, 02:54 PM
Replies: 41
Views: 1,338
Posted By notnyt
Are you saying databass measurements are based on...

Are you saying databass measurements are based on RMS SPL and winisd models peak?
Forum: DIY Speakers and Subs   08-25-2016, 02:51 PM
Replies: 14
Views: 344
Posted By notnyt
Looks nice, neighbors must love you. Lot of...

Looks nice, neighbors must love you. Lot of power in an apt
Forum: DIY Speakers and Subs   08-25-2016, 02:50 PM
Replies: 13
Views: 838
Posted By notnyt
https://media.giphy.com/media/fnaycX5ZOzUNq/giphy....

https://media.giphy.com/media/fnaycX5ZOzUNq/giphy.gif
Forum: DIY Speakers and Subs   08-25-2016, 02:41 PM
Replies: 41
Views: 1,338
Posted By notnyt
You're also comparing databass results vs winisd,...

You're also comparing databass results vs winisd, which is 2m vs 1m. If you want to compare, subtract 6db from your WinISD model.
Forum: DIY Speakers and Subs   08-25-2016, 02:39 PM
Replies: 41
Views: 1,338
Posted By notnyt
If you want to play the modeling game, this is...

If you want to play the modeling game, this is the model of one of my enclosures with a pair of LMS 18s with the port tune adjusted to 10hz, power is limited to 2kw per driver in this model
...
Forum: DIY Speakers and Subs   08-25-2016, 02:33 PM
Replies: 41
Views: 1,338
Posted By notnyt
That's great and all, but you're comparing apples...

That's great and all, but you're comparing apples to oranges here, it's absurd and irrelevant. The ZOD is tuned a good deal above 10hz, so it will have fallen off quite a bit by then. As for the...
Forum: DIY Speakers and Subs   08-25-2016, 12:07 PM
Replies: 41
Views: 1,338
Posted By notnyt
BTH, What does that have to do with ULF?

BTH, What does that have to do with ULF?
Forum: DIY Speakers and Subs   08-19-2016, 03:38 PM
Replies: 161
Views: 5,429
Posted By notnyt
SP2-12000-DP http://i.imgur.com/hfIfBR2.jpg

SP2-12000-DP
http://i.imgur.com/hfIfBR2.jpg
Forum: DIY Speakers and Subs   08-19-2016, 03:37 PM
Replies: 5,608
Views: 486,147
Posted By notnyt
not the new one, going to be pretty much the...

not the new one, going to be pretty much the same...



btaudio enhanced fp14000

http://i.imgur.com/ldbURm0.jpg
Forum: DIY Speakers and Subs   08-15-2016, 05:28 PM
Replies: 17
Views: 402
Posted By notnyt
looks pretty good, bracing in my cabs worked out...

looks pretty good, bracing in my cabs worked out well if you want some inspiration, link in sig.
Forum: DIY Speakers and Subs   08-15-2016, 05:20 PM
Replies: 5,608
Views: 486,147
Posted By notnyt
the itechs aren't that efficient last I checked. ...

the itechs aren't that efficient last I checked. I measured the bt enhanced fp14000 at about 80% efficiency when I tested it briefly. It sustained 3800w or so, bursted 14kw, that's just crazy for...
Forum: Subwoofers, Bass, and Transducers   08-08-2016, 11:23 AM
Replies: 153
Views: 8,741
Posted By notnyt
It's all about finding the sub that's the right...

It's all about finding the sub that's the right fit. Jeff makes some great subs and uses great amps.
Forum: Audio Gear   08-08-2016, 10:34 AM
Replies: 9
Views: 357
Posted By notnyt
if you can only have two sealed boxes, maybe get...

if you can only have two sealed boxes, maybe get some 24's :)
Forum: Subwoofers, Bass, and Transducers   08-08-2016, 09:40 AM
Replies: 153
Views: 8,741
Posted By notnyt
LTD02 already covered most of this already, but...

LTD02 already covered most of this already, but since you used my pic as an example of a large unit, here goes. I lol'd when you brushed his comments off as speculation. There's science behind this,...
Forum: DIY Speakers and Subs   08-07-2016, 09:51 PM
Replies: 41
Views: 1,338
Posted By notnyt
Ricci is running 8 of the RF19s?

Ricci is running 8 of the RF19s?
Forum: DIY Speakers and Subs   08-05-2016, 11:23 PM
Replies: 161
Views: 5,429
Posted By notnyt
The SP2-12000 by itself can come real close to...

The SP2-12000 by itself can come real close to fully utilizing a 240v 30a circuit if you max it out. Just keep this in mind.
Forum: DIY Speakers and Subs   08-05-2016, 11:10 PM
Replies: 2
Views: 72
Posted By notnyt
I have a raspberry pi I setup with a usb...

I have a raspberry pi I setup with a usb bluetooth controller and cheap usb soundcard that works great. Little bit of config and scripting to get it going, but if you go that route I can share. amp...
Forum: DIY Speakers and Subs   08-05-2016, 10:16 AM
Replies: 161
Views: 5,429
Posted By notnyt
Which amps? Those strips are rated at 16a per...

Which amps? Those strips are rated at 16a per outlet, but have 20a breakers, each one protects two outlets.
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