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Forum: DIY Speakers and Subs   09-27-2014, 03:55 PM
Replies: 424
Views: 17,245
Posted By Ricci
Brian, The tests by Langston that BassThatHz...

Brian,
The tests by Langston that BassThatHz posted are some of the most detailed and comprehensive independent amp tests that have been done IMHO. The results show that the k10 amp does provide the...
Forum: DIY Speakers and Subs   09-26-2014, 06:47 AM
Replies: 9
Views: 239
Posted By Ricci
Use the UXL or LMS. The HTS and ZV4 are both good...

Use the UXL or LMS. The HTS and ZV4 are both good drivers and the parameters I measured seem to match up well but the cones are very deep and the surrounds protrude way out into the throat of the...
Forum: DIY Speakers and Subs   09-25-2014, 08:50 AM
Replies: 104
Views: 4,328
Posted By Ricci
Correct John. But the max long term sweeps are...

Correct John. But the max long term sweeps are stopped when the driver is clearly at the end of the rope. Its not always a full 5dB increase on the last sweep. It is often 2dB or 3. The UXL will not...
Forum: DIY Speakers and Subs   09-24-2014, 12:09 PM
Replies: 104
Views: 4,328
Posted By Ricci
Also I wanted to note that if you are really...

Also I wanted to note that if you are really concerned about maximum output go to the last tab under the measurements section and look at the cea2010 chart there. It will list the voltages used and...
Forum: DIY Speakers and Subs   09-24-2014, 06:10 AM
Replies: 104
Views: 4,328
Posted By Ricci
In my opinion there will be such a small...

In my opinion there will be such a small difference between the HST versions that it isn't worth worrying about. I doubt you would be able to tell...even in the measurements and definitely not with...
Forum: DIY Speakers and Subs   09-15-2014, 11:00 AM
Replies: 836
Views: 51,798
Posted By Ricci
Rory I will drop you guys an email or something...

Rory I will drop you guys an email or something in a few weeks about maybe getting a driver to test. I have to clean a bunch of other things off of my plate first before I can get to it anyway....
Forum: DIY Speakers and Subs   08-28-2014, 08:03 AM
Replies: 157
Views: 19,441
Posted By Ricci
Hey man I'm glad you like the subs. If you add...

Hey man I'm glad you like the subs. If you add another 2 someday I think you will really start having some fun.

I intentionally keep my in boxes full at a couple of forums because I don't...
Forum: DIY Speakers and Subs   08-26-2014, 03:10 PM
Replies: 138
Views: 7,735
Posted By Ricci
John, Well...Mostly it seems to be more...

John,
Well...Mostly it seems to be more compression and distortion in the upper bass and lower overall dynamic headroom in the upper bass. Combined with typically increased lower bass headroom and...
Forum: DIY Speakers and Subs   08-26-2014, 01:48 PM
Replies: 138
Views: 7,735
Posted By Ricci
Hey guys…I have the HST-18 testing done and all...

Hey guys…I have the HST-18 testing done and all of the data prepared. Now I just have to get it up on the site. I hope to get that done in a few days. If I had to sum this driver up quickly I’d say...
Forum: Audio Gear   08-22-2014, 10:03 AM
Replies: 0
Views: 303
Posted By Ricci
JBL 2242HPL 18" Subwoofer

One 2242HPL 18" JBL in fine cosmetic and working condition.

$220 shipped to the 48 US states only.

Also I have one blown 2242HPL that needs a recone. I will take $70 shipped for it.
...
Forum: Audio Gear   08-22-2014, 09:59 AM
Replies: 0
Views: 275
Posted By Ricci
Sundown ZV4 18D2 subwoofer

Tested for Data-Bass. 9/10 cosmetic, 10/10 functional. No problems with the driver.

$470 shipped to the continental US 48 only.

Thanks...Josh


224121

224129
Forum: DIY Speakers and Subs   08-11-2014, 02:58 PM
Replies: 35
Views: 1,354
Posted By Ricci
Damn...I talked to Steve a few times. He had been...

Damn...I talked to Steve a few times. He had been around the forums for a while. Sad news.
Forum: DIY Speakers and Subs   08-07-2014, 10:39 AM
Replies: 25
Views: 743
Posted By Ricci
Bill...Not simulations but real world ground...

Bill...Not simulations but real world ground plane or close mic measurements of the decay rate of various horns and types. They are not parallel wall resonances as these are typically above the...
Forum: DIY Speakers and Subs   08-06-2014, 02:38 PM
Replies: 25
Views: 743
Posted By Ricci
Bill resonances related to the enclosure...

Bill resonances related to the enclosure dimensions are not what I was referring to but ones related to the horn loading on the driver regardless of the fold layout or enclosure dimensions.
Forum: DIY Speakers and Subs   08-06-2014, 05:37 AM
Replies: 25
Views: 743
Posted By Ricci
Almost every bass horn I have seen measurements...

Almost every bass horn I have seen measurements for or taken measurements of does have some ringing. This includes FLH's. Most of the bass horns don't have any info presented for them but that...
Forum: DIY Speakers and Subs   08-05-2014, 09:24 AM
Replies: 836
Views: 51,798
Posted By Ricci
Rory can you share the coil winding height and...

Rory can you share the coil winding height and top plate thickness specs?
Forum: DIY Speakers and Subs   08-02-2014, 03:18 PM
Replies: 32
Views: 678
Posted By Ricci
Basic response and full range response are just...

Basic response and full range response are just that. These have nothing to do with how powerful a system is or how low it can effectively extend.

To see how capable a particular system is from a...
Forum: DIY Speakers and Subs   07-31-2014, 10:41 AM
Replies: 39
Views: 961
Posted By Ricci
Should be mic or input clipping. Doubtful it is...

Should be mic or input clipping. Doubtful it is the amp. There will be higher impedance through the 40-60Hz range in that box so there is far less power and current demands from the amplifier in that...
Forum: DIY Speakers and Subs   07-24-2014, 08:24 AM
Replies: 55
Views: 1,783
Posted By Ricci
John you are still using winisd? It’s really only...

John you are still using winisd? It’s really only good for having a database of driver parameters saved. You know HR can easily do vented enclosures and directly compare them to the horn you are...
Forum: DIY Speakers and Subs   07-24-2014, 06:26 AM
Replies: 1
Views: 124
Posted By Ricci
Funny thing about that is that the majority of...

Funny thing about that is that the majority of your big subwoofers in car audio are going to have voice coils that are either aluminum or CCA wire. Copper is simply too heavy for their beefy 8 layer...
Forum: DIY Speakers and Subs   07-18-2014, 08:09 AM
Replies: 157
Views: 19,441
Posted By Ricci
Don't forget that the RE of those 2 drivers is...

Don't forget that the RE of those 2 drivers is much different.
Forum: DIY Speakers and Subs   07-18-2014, 06:44 AM
Replies: 157
Views: 19,441
Posted By Ricci
I always said that the 18 or 21nlw9600 would...

I always said that the 18 or 21nlw9600 would work. No one I know has ever used these drivers.
Forum: DIY Speakers and Subs   07-17-2014, 10:20 AM
Replies: 157
Views: 19,441
Posted By Ricci
I'm not sure what they weigh. Let me see what...

I'm not sure what they weigh. Let me see what Solidworks says...

Othorn cab 106lbs
Othorn v2 cab 111lbs
So...150ish with driver.

GH cab 178lbs
GH v2 cab 172lbs
260lbs or so with a 5400
Forum: DIY Speakers and Subs   07-17-2014, 08:40 AM
Replies: 16
Views: 450
Posted By Ricci
To see how EQ affects the ringing of horns(Make...

To see how EQ affects the ringing of horns(Make no mistake undersized FLH's ring too) look at the sealed vs ported vs TH article at DB where I used the same LMSR12 drivers in all 3 alignments and EQd...
Forum: DIY Speakers and Subs   07-17-2014, 08:29 AM
Replies: 157
Views: 19,441
Posted By Ricci
Yeah...I'm really stoked about how the Othorn...

Yeah...I'm really stoked about how the Othorn turned out. As Mike says once you start getting it shoveling out the bass it wants to jump around. Bracing won't help as the forces involved are moving...
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