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Forum: DIY Speakers and Subs   03-14-2017, 10:19 AM
Replies: 271
  SKHorn
Views: 9,442
Posted By Ricci
I still need the baffle and 4 more of the blocks...

I still need the baffle and 4 more of the blocks if you're willing. Same exact thing should work. Just in case.
Forum: DIY Speakers and Subs   03-13-2017, 01:55 PM
Replies: 271
  SKHorn
Views: 9,442
Posted By Ricci
A bit. I am working on figuring out what high...

A bit. I am working on figuring out what high pass filters to use for each vent configuration and I think I've got the vent blocks sealed up well. I've done some very loose listening tests in my...
Forum: Subwoofers, Bass, and Transducers   03-02-2017, 02:30 PM
Replies: 104
Views: 2,525
Posted By Ricci
Here are a few more examples... The first...

Here are a few more examples...


The first 5 are from an SVS PB13U in 20Hz tuning. These are from a simple adjustment of the low pass filter and that is all. The response that correspond to these...
Forum: Subwoofers, Bass, and Transducers   03-02-2017, 02:17 PM
Replies: 104
Views: 2,525
Posted By Ricci
[/LIST] B is a real example pulled from a...

[/LIST]
B is a real example pulled from a subwoofer I measured. :)
Forum: Subwoofers, Bass, and Transducers   03-01-2017, 02:25 PM
Replies: 104
Views: 2,525
Posted By Ricci
Here are 3 different impulse responses that I...

Here are 3 different impulse responses that I have pulled from the library. They are not labeled as to what subwoofers produced them. If anyone reading along wants to play a game, simply pick an...
Forum: Subwoofers, Bass, and Transducers   03-01-2017, 01:51 PM
Replies: 104
Views: 2,525
Posted By Ricci
Exactly. I originally started to post...

Exactly.


I originally started to post those as a representative of a raw measured impulse response from each system because a few people asked me to even if it is of little direct comparative...
Forum: Subwoofers, Bass, and Transducers   03-01-2017, 08:26 AM
Replies: 104
Views: 2,525
Posted By Ricci
I've been reading a LOT of speculation about...

I've been reading a LOT of speculation about impulse response in subwoofers lately. Some of it in this thread. I may remove them from DB because they cause more confusion than the value they provide....
Forum: DIY Speakers and Subs   03-01-2017, 07:45 AM
Replies: 53
Views: 2,654
Posted By Ricci
I think what Notnyt was trying to say is that if...

I think what Notnyt was trying to say is that if comparing amps / speaker models or specs and trying to determine headroom needs against peak signal specs it's not exactly a direct comparison in most...
Forum: DIY Speakers and Subs   03-01-2017, 07:32 AM
Replies: 164
Views: 5,975
Posted By Ricci
Those are nice looking cabs. Where were these a...

Those are nice looking cabs. Where were these a year ago!? I wouldn't have had to design / build my own vented cabs for DB testing.
Forum: DIY Speakers and Subs   03-01-2017, 07:26 AM
Replies: 14
Views: 400
Posted By Ricci
Rhodesj Can you fit 24x36x36? That's the Othorn...

Rhodesj
Can you fit 24x36x36? That's the Othorn dimensions. It was made for that driver and music down to 25Hz.
Forum: DIY Speakers and Subs   02-28-2017, 03:04 PM
Replies: 271
  SKHorn
Views: 9,442
Posted By Ricci
Pm me an email...

Pm me an email...
Forum: DIY Speakers and Subs   02-24-2017, 09:07 AM
Replies: 271
  SKHorn
Views: 9,442
Posted By Ricci
It ain't going to be THAT testing happening this...

It ain't going to be THAT testing happening this weekend! Looks like rain and chilly anyway. Hopefully I'll be getting impedance measurements and maybe some close mics. See where the tuning came in...
Forum: Subwoofers, Bass, and Transducers   02-24-2017, 09:01 AM
Replies: 104
Views: 2,525
Posted By Ricci
This discussion seems to be based on a...

This discussion seems to be based on a misunderstanding of DSP and what the term means. There seems to be a misconception that a lack of DSP implies that there is no signal processing built in. That...
Forum: DIY Speakers and Subs   02-22-2017, 09:57 AM
Replies: 164
Views: 5,975
Posted By Ricci
Thanks for the measurements Mark. Looks just as...

Thanks for the measurements Mark. Looks just as expected for those drivers in that cab.
+1 on the above. After adding the typical low pass and a high pass that's going to go quite a ways towards...
Forum: Area Home Theater Meets   02-21-2017, 02:30 PM
Replies: 1,355
Views: 33,386
Posted By Ricci
Well I was going to post to clear this up but now...

Well I was going to post to clear this up but now I don't need to. Thanks Mark!:D


Mark is right there is a severe amount of compression in a lot of the CEA-2010 testing. All you have to do is...
Forum: Area Home Theater Meets   02-21-2017, 02:21 PM
Replies: 1,355
Views: 33,386
Posted By Ricci
Finally have time for a quick post. I'll try to...

Finally have time for a quick post. I'll try to add more later.


Thanks to all of the KC area hosts for the hospitality and making the time to hang out with all of us out of towners. Everyone's...
Forum: DIY Speakers and Subs   02-13-2017, 11:52 AM
Replies: 15
Views: 334
Posted By Ricci
Yup...moved many big cabs myself. It's all about...

Yup...moved many big cabs myself. It's all about using leverage to your advantage. This is what I'd do. 1 or 2 people on the bottom and another guiding using the mouth braces at the top. Shouldn't be...
Forum: DIY Speakers and Subs   02-13-2017, 11:41 AM
Replies: 164
Views: 5,975
Posted By Ricci
Like Mark mentioned any of the modern long stroke...

Like Mark mentioned any of the modern long stroke bass drivers will make some mechanical or air noise in free air. Especially once you start producing real excursions of an inch peak to peak or more....
Forum: DIY Speakers and Subs   02-10-2017, 08:17 AM
Replies: 271
  SKHorn
Views: 9,442
Posted By Ricci
I've got high hopes for these. We will see in...

I've got high hopes for these. We will see in about 2 weeks.
Forum: DIY Speakers and Subs   02-01-2017, 09:59 AM
Replies: 271
  SKHorn
Views: 9,442
Posted By Ricci
Dumb question do you have a right angled speakon...

Dumb question do you have a right angled speakon plugged into it? That'll allow you to get it back about 1.5" closer to the wall. if you really wanted it close you can put a recessed / angled...
Forum: DIY Speakers and Subs   01-31-2017, 06:44 AM
Replies: 271
  SKHorn
Views: 9,442
Posted By Ricci
Looks good. It appears that the tuning came in...

Looks good. It appears that the tuning came in lower than modeled but its difficult to tell for sure how much. Looks like 20Hz will be represented strongly with a port blocked.
Forum: DIY Speakers and Subs   01-29-2017, 01:24 PM
Replies: 271
  SKHorn
Views: 9,442
Posted By Ricci
LOL. That is going to be crushing in there.

LOL. That is going to be crushing in there.
Forum: DIY Speakers and Subs   01-26-2017, 10:26 AM
Replies: 271
  SKHorn
Views: 9,442
Posted By Ricci
Up fire it? Not sure how well that will mix with...

Up fire it? Not sure how well that will mix with the TV though.
Forum: Area Home Theater Meets   01-26-2017, 09:01 AM
Replies: 1,355
Views: 33,386
Posted By Ricci
Archaea, Looks like I'm back in if you guys...

Archaea,
Looks like I'm back in if you guys still have room for me? :)
If so could you PM me the details? I'll be driving down with a friend of mine Friday.
Forum: DIY Speakers and Subs   01-25-2017, 08:50 AM
Replies: 271
  SKHorn
Views: 9,442
Posted By Ricci
Hey after schlepping big hulking cabs in and out...

Hey after schlepping big hulking cabs in and out of vehicles and venues for years all those handles start to be important! It pays off in the end.
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