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Search: Posts Made By: notnyt
Forum: DIY Speakers and Subs   07-27-2015, 02:56 PM
Replies: 8
Views: 267
Posted By notnyt
Make sure your wiring is correct and you're...

Make sure your wiring is correct and you're hooked up to 1+ and 2+ and that there aren't any voltage limiters set and the amp is properly configured for bridge mode.
Forum: DIY Speakers and Subs   07-25-2015, 12:52 PM
Replies: 5,105
Views: 447,175
Posted By notnyt
You should contact johnson

You should contact johnson
Forum: DIY Speakers and Subs   07-23-2015, 09:51 PM
Replies: 15
Views: 159
Posted By notnyt
Also, 10-12 coats of laquer seems ridic, as does...

Also, 10-12 coats of laquer seems ridic, as does 6 coats of high build. You should be good with 2-3 max. If you see something coming up through the primer, it should have been flat first. I'd just...
Forum: DIY Speakers and Subs   07-23-2015, 09:49 PM
Replies: 15
Views: 159
Posted By notnyt
What compressor are you using? Most of the...

What compressor are you using? Most of the smaller ones like the 30 gallons will struggle with paint work. You'll get lots of water in the output, best case. I installed like 1200kw of fluorescent...
Forum: DIY Speakers and Subs   07-22-2015, 05:04 PM
Replies: 13
Views: 413
Posted By notnyt
Rofl, drywall screws? cmon ;)

Rofl, drywall screws?

cmon ;)
Forum: DIY Speakers and Subs   07-22-2015, 03:09 PM
Replies: 5,105
Views: 447,175
Posted By notnyt
No, that's 4 channel, I mean the FP14000s they...

No, that's 4 channel, I mean the FP14000s they have, the new style with the additional caps and heatsink
Forum: DIY Speakers and Subs   07-22-2015, 01:07 PM
Replies: 5,105
Views: 447,175
Posted By notnyt
You might gain some efficiency, but those boxes...

You might gain some efficiency, but those boxes are already kind of large for the drivers. I think even the 120v version should be fine. The 220v version only requires 16a btw.

At this point I'd...
Forum: DIY Speakers and Subs   07-22-2015, 11:46 AM
Replies: 5,105
Views: 447,175
Posted By notnyt
I'd reckon you'd gain at least 3db, possibly more.

I'd reckon you'd gain at least 3db, possibly more.
Forum: DIY Speakers and Subs   07-18-2015, 03:47 PM
Replies: 10
Views: 238
Posted By notnyt
Important question, what's your budget? I'd go...

Important question, what's your budget? I'd go vented with a lower tune if you can swing the cost of drivers.
Forum: DIY Speakers and Subs   07-15-2015, 12:51 AM
Replies: 578
Views: 21,157
Posted By notnyt
I once said that, then look what happened. ...

I once said that, then look what happened. Doubling up and only getting 6db "wasn't enough". rofl. Granted, suspended floor goes a long way, or Crowsons in their stead.
Forum: DIY Speakers and Subs   07-11-2015, 10:05 PM
Replies: 100
Views: 2,474
Posted By notnyt
1) scrap the magnepans. Get some B215xl or...

1) scrap the magnepans. Get some B215xl or similar, or build some Fusion 15s or 10s ;)

2) Nothing you do in room will ever come close to the bass you got from a CRX with 4 12's in it. Keep this...
Forum: DIY Speakers and Subs   07-01-2015, 02:24 PM
Replies: 887
Views: 31,509
Posted By notnyt
There have been thorough tests of the fp14000 by...

There have been thorough tests of the fp14000 by Langston Holland and others. I've linked em a few times. I'll eventually get one tested and the sp amp tested, I'm just so backlogged w/ work lately...
Forum: DIY Speakers and Subs   06-29-2015, 08:23 PM
Replies: 887
Views: 31,509
Posted By notnyt
We give these to datacenter customers. They...

We give these to datacenter customers. They don't do so well over 15A like mentioned, and will complain.
Forum: DIY Speakers and Subs   06-29-2015, 12:43 PM
Replies: 226
Views: 3,129
Posted By notnyt
And who the hell uses speclab to calculate THD ;)

And who the hell uses speclab to calculate THD ;)
Forum: DIY Speakers and Subs   06-29-2015, 09:11 AM
Replies: 75
Views: 1,335
Posted By notnyt
Seems to hold tight until around 800hz, but...

Seems to hold tight until around 800hz, but starts loosening up around 700. Still, probably good enough. I wasn't even aware the DE250 could run that low. B&C lists it at 1000hz.
Forum: DIY Speakers and Subs   06-28-2015, 10:46 PM
Replies: 226
Views: 3,129
Posted By notnyt
Now if you want to have some fun, model the lms...

Now if you want to have some fun, model the lms in a box tuned to 15hz with 13 cubes per driver along with those, or model two in 26 cubes. UXL18 is very close as well to that.
Forum: DIY Speakers and Subs   06-28-2015, 01:59 PM
Replies: 887
Views: 31,509
Posted By notnyt
RMS power is a misnomer. It's a power value...

RMS power is a misnomer. It's a power value derived from using the RMS value of voltage and/or amperage.

Power can be represented as peak power, the max instantaneous power output, or just Power...
Forum: DIY Speakers and Subs   06-28-2015, 01:45 PM
Replies: 887
Views: 31,509
Posted By notnyt
Taking RMS values for power is meaningless, what...

Taking RMS values for power is meaningless, what you want is the average value. I'll see what I can do when I get a few minutes
Forum: DIY Speakers and Subs   06-28-2015, 12:35 PM
Replies: 887
Views: 31,509
Posted By notnyt
RMS is not area under the curve

RMS is not area under the curve
Forum: DIY Speakers and Subs   06-28-2015, 12:52 AM
Replies: 887
Views: 31,509
Posted By notnyt
that's exactly what I was talking about, I just...

that's exactly what I was talking about, I just don't know if measurements work on math plots. I have a ds1104z. I'll try it soon.
Forum: DIY Speakers and Subs   06-27-2015, 10:05 PM
Replies: 887
Views: 31,509
Posted By notnyt
Nah, this is great discussion and needs to take...

Nah, this is great discussion and needs to take place. Thank you for being persistent as it's proven my efficiency data is no good since I can't properly calculate input power. I just spent like 5...
Forum: DIY Speakers and Subs   06-27-2015, 06:11 PM
Replies: 75
Views: 1,335
Posted By notnyt
seems low for that waveguide

seems low for that waveguide
Forum: DIY Speakers and Subs   06-27-2015, 02:44 PM
Replies: 887
Views: 31,509
Posted By notnyt
it should

it should
Forum: DIY Speakers and Subs   06-27-2015, 12:00 PM
Replies: 887
Views: 31,509
Posted By notnyt
I just woke up and have to piss really bad and I...

I just woke up and have to piss really bad and I have to go deal with some car **** soon, so I'll try to be quick. This is easier for you to investigate with square waves, as you can calculate rms...
Forum: DIY Speakers and Subs   06-26-2015, 08:25 PM
Replies: 946
Views: 206,961
Posted By notnyt
Try this.. paging Ivan Beaver

Try this.. paging Ivan Beaver
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