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Search: Posts Made By: Ricci
Forum: DIY Speakers and Subs   04-17-2015, 09:12 AM
Replies: 107
Views: 1,256
Posted By Ricci
I never intended to sell any of my designs or the...

I never intended to sell any of my designs or the plans. I just give them out. If guys want to build 1 or 20 that's fine. What they do after that is their own call but I wouldn't go too far with...
Forum: DIY Speakers and Subs   04-10-2015, 08:40 PM
Replies: 14
Views: 366
Posted By Ricci
GH is a measured 122dB at 20Hz at 2m outdoors....

GH is a measured 122dB at 20Hz at 2m outdoors. Winisd defaults to 1m. Change it to 2m for comparison. Long story short either add 6dB full bandwidth for the GH or subtract 6dB for the vented.

2...
Forum: DIY Speakers and Subs   04-10-2015, 01:57 PM
Replies: 332
  HzHorn
Views: 8,811
Posted By Ricci
Actually yes we can show you that and that IS how...

Actually yes we can show you that and that IS how it works. We have enough data to show this is so.

What I mean is the impedance curve can tell you a whole lot about the driver. If you get your...
Forum: DIY Speakers and Subs   04-10-2015, 09:49 AM
Replies: 332
  HzHorn
Views: 8,811
Posted By Ricci
No problem. Never thought to post that stuff...

No problem. Never thought to post that stuff publicly.



I never tried that John. It works even better than adjusting Re and 1kHz Le which is what I've been doing. Inductance does cause...
Forum: DIY Speakers and Subs   04-10-2015, 09:07 AM
Replies: 49
Views: 703
Posted By Ricci
Hey man...Bring it on...Same deal as before. This...

Hey man...Bring it on...Same deal as before. This would have a bridged K20dsp strapped on it so fair warning. As long as we have a few guys willing to cover the shipping back after it is done I'm...
Forum: Area Home Theater Meets   04-10-2015, 07:30 AM
Replies: 59
Views: 580
Posted By Ricci
Hey I might try to make this but I cannot do 4th...

Hey I might try to make this but I cannot do 4th of July weekend or the weekend of the 18-19th.
Forum: DIY Speakers and Subs   04-07-2015, 09:15 AM
Replies: 272
Views: 4,975
Posted By Ricci
Dcx2496 is -1 dB at 9Hz and -3dB at 5Hz. Not...

Dcx2496 is -1 dB at 9Hz and -3dB at 5Hz. Not enough to matter for any sort of alignment other than sealed/IB.
Forum: DIY Speakers and Subs   04-05-2015, 12:15 PM
Replies: 332
  HzHorn
Views: 8,811
Posted By Ricci
Hey JAG I agree with your post #227...

Hey JAG I agree with your post #227 (http://www.avsforum.com/forum/usertag.php?do=list&action=hash&hash=227) . Not much time right now.
Unfortunately I did not get a chance to measure a UXL in the...
Forum: DIY Speakers and Subs   04-05-2015, 07:11 AM
Replies: 332
  HzHorn
Views: 8,811
Posted By Ricci
My horn designs have been done like this. I...

My horn designs have been done like this. I always use drivers I've previously measured myself for this reason. I just can't know what I'm actually using otherwise. Have to know how the driver...
Forum: DIY Speakers and Subs   04-05-2015, 06:59 AM
Replies: 29
Views: 378
Posted By Ricci
+1. The middles of the panels are what flex...

+1. The middles of the panels are what flex easiest and resonant and that is all driver cone in this case. The material near the corners is very strong and resistant to flex. That's pretty much the...
Forum: DIY Speakers and Subs   04-03-2015, 02:49 PM
Replies: 135
Views: 7,573
Posted By Ricci
Oh it's totally about distortion...That was what...

Oh it's totally about distortion...That was what all my comments above were about. Trying to get some thought put into it without just coming out and saying it. That comment was more about some of...
Forum: DIY Speakers and Subs   04-02-2015, 08:55 AM
Replies: 272
Views: 4,975
Posted By Ricci
Nope. Somewhere from 2:1 to 1.5:1. CEA-2010...

Nope. Somewhere from 2:1 to 1.5:1.
CEA-2010 burst for the SW152 at 20Hz is 101.5dB, LMS is 108. Add 6dB for a second SW152 and it is 107.5. Close enough. Also worth noting is that the SW152 is in...
Forum: DIY Speakers and Subs   04-01-2015, 08:13 AM
Replies: 272
Views: 4,975
Posted By Ricci
Figured I'd just answer your PM here...I almost...

Figured I'd just answer your PM here...I almost went with 8 of these for my HT to replace the XXX's. In my space the XXX's can do over 130dB at the main LP from 6-7Hz on up. I never really use all...
Forum: DIY Speakers and Subs   03-28-2015, 07:43 AM
Replies: 280
Views: 6,620
Posted By Ricci
The GH is a 15-16Hz effective cab. The minimum...

The GH is a 15-16Hz effective cab. The minimum excursion point is 17Hz. The high pass I recommend is at about 13-14Hz depending on slope and alignment,etc.. It will handle an amp capable of about...
Forum: DIY Speakers and Subs   03-27-2015, 11:48 AM
Replies: 280
Views: 6,620
Posted By Ricci
There's an impedance measurement showing the...

There's an impedance measurement showing the drivers are in series in the measurements...I think it says so in the notes as well. Yes DO is a PITA to measure. Maybe I should have run it with the...
Forum: DIY Speakers and Subs   03-26-2015, 08:52 PM
Replies: 280
Views: 6,620
Posted By Ricci
It's probably a real nice driver but some things...

It's probably a real nice driver but some things jump out. 14mm Xmax rating yet the wind height is 25mm and the gap is 12mm? That's a coil overhang of 6.5mm. A long way from 14. Maybe there are some...
Forum: DIY Speakers and Subs   03-06-2015, 11:14 AM
Replies: 20
Views: 1,328
Posted By Ricci
The TH50 is legit. That's the tapped horn that...

The TH50 is legit. That's the tapped horn that made me buy into them after hearing one. I'd much rather have a TH50 than a dts10. Won't go as low but its smoother and more powerful. A lot of that is...
Forum: DIY Speakers and Subs   02-25-2015, 11:58 AM
Replies: 332
  HzHorn
Views: 8,811
Posted By Ricci
If I get a chance I will show you what I mean....

If I get a chance I will show you what I mean. Your sims look fine but your cab design is not what you are simulating.

S2 is at the center of the radiating area/driver cone. You clearly have way...
Forum: DIY Speakers and Subs   02-25-2015, 09:01 AM
Replies: 332
  HzHorn
Views: 8,811
Posted By Ricci
Just from looking at it what you have modeled is...

Just from looking at it what you have modeled is in no way representing the cabinet design. The driver loading and throat area is critical. You have an S2 of 299 which seems a bit small judging from...
Forum: DIY Speakers and Subs   02-11-2015, 01:22 PM
Replies: 927
Views: 26,950
Posted By Ricci
I’ve talked so much about the XXX drivers vs the...

I’ve talked so much about the XXX drivers vs the LMS and others over the years.

Yes a XXX is handicapped in the 4cube test box. So were some other drivers. Here’s the thing that doesn’t really...
Forum: DIY Speakers and Subs   02-05-2015, 01:31 PM
Replies: 33
Views: 634
Posted By Ricci
It may not be clipping but that is the first...

It may not be clipping but that is the first thing I would check. The response over a large frequency range seems unnaturally flat for an unequalized measurement despite the sawtooth pattern. May be...
Forum: DIY Speakers and Subs   02-05-2015, 07:51 AM
Replies: 9
Views: 134
Posted By Ricci
Nice to see you around too Bill. I can see...

Nice to see you around too Bill.

I can see loud abrupt noises being a no no around large skittish animals. Just get a cheap 2ch receiver and try it out. You may still have to worry about some pops...
Forum: DIY Speakers and Subs   02-05-2015, 07:40 AM
Replies: 33
Views: 634
Posted By Ricci
Clipping the mic input.

Clipping the mic input.
Forum: DIY Speakers and Subs   02-05-2015, 07:36 AM
Replies: 1,118
Views: 45,939
Posted By Ricci
??? I've been measuring distortion at various...

???
I've been measuring distortion at various drive levels since nearly the beginning. Voltages are now listed for anything in the past few years as well.

Multiple box testing is nice but not...
Forum: DIY Speakers and Subs   02-04-2015, 12:11 PM
Replies: 9
Views: 134
Posted By Ricci
Hey Bill. If you turn the gain on the amp all of...

Hey Bill. If you turn the gain on the amp all of the way up you should be able to get enough signal out of the headphone jack on an iPod or phone running straight in. I use a similar scheme in my...
Showing results 1 to 25 of 5000

 
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