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Forum: DIY Speakers and Subs   10-07-2013, 04:20 PM
Replies: 175
Views: 9,325
Posted By fredfish
Whoa, big! Really BIG!!...

Whoa, big! Really BIG!! http://files.avsforum.com/images/smilies/eek.gif

My 12" sub took one look and scuttled off into the corner. http://files.avsforum.com/images/smilies/biggrin.gif
Forum: DIY Speakers and Subs   09-28-2013, 07:54 AM
Replies: 175
Views: 9,325
Posted By fredfish
Quote:Originally Posted by Scott...

Quote:Originally Posted by Scott Simonian http://www.avsforum.com/img/forum/go_quote.gif (http://www.avsforum.com/t/1467869/ftw-21-pre-orders/120#post_23780185)

They model so close that it's...
Forum: DIY Speakers and Subs   09-27-2013, 06:14 PM
Replies: 175
Views: 9,325
Posted By fredfish
Quote:Originally Posted by Scott...

Quote:Originally Posted by Scott Simonian http://www.avsforum.com/img/forum/go_quote.gif (http://www.avsforum.com/t/1467869/ftw-21-pre-orders/120#post_23773779)

Yup. I noticed that too. Looks...
Forum: DIY Speakers and Subs   05-01-2013, 06:14 PM
Replies: 17
Views: 749
Posted By fredfish
Bomber. Is this the site?...

Bomber. Is this the site? (http://www.subwoofer-builder.com/)

He only went up to 6" ports so I don't know how that translates to larger ports.

I'm still pondering the advantages/disadvantages...
Forum: DIY Speakers and Subs   04-28-2013, 07:08 PM
Replies: 17
Views: 749
Posted By fredfish
Well, I've booked the driver before I talk...

Well, I've booked the driver before I talk myself out of it again. I can't see a better opportunity than this coming along for a guy north of the 49th.
Quote:Originally Posted by...
Forum: DIY Speakers and Subs   04-24-2013, 05:40 PM
Replies: 17
Views: 749
Posted By fredfish
Here is 10 cd sealed. ...

Here is 10 cd sealed.

http://www.avsforum.com/content/type/61/id/196765/width/500/height/1000/flags/LL (http://www.avsforum.com/content/type/61/id/196765/)

Just how much extra power is this...
Forum: DIY Speakers and Subs   04-24-2013, 05:29 PM
Replies: 17
Views: 749
Posted By fredfish
I thought I would post some graphs. Here is a 25...

I thought I would post some graphs. Here is a 25 cf enclosure, 1,200w applied. You can see that with a 10" port, the first port resonance is awfully low.
...
Forum: DIY Speakers and Subs   04-24-2013, 05:20 PM
Replies: 17
Views: 749
Posted By fredfish
Thanks for the reply Bomber. If that peak is...

Thanks for the reply Bomber. If that peak is above what the driver can handle, bad things may happen, correct? That is what I thought the manufacturers power handling number was an indicator of.
Forum: DIY Speakers and Subs   04-23-2013, 11:57 PM
Replies: 17
Views: 749
Posted By fredfish
Quote:Originally Posted by...

Quote:Originally Posted by zora http://www.avsforum.com/img/forum/go_quote.gif (http://www.avsforum.com/t/1469694/ftw-21-ported-design-questions#post_23238971)

I don't think you have as much LFE...
Forum: DIY Speakers and Subs   04-23-2013, 10:20 PM
Replies: 17
Views: 749
Posted By fredfish
a 10 cf sealed sub would be down 18 db at 12 Hz....

a 10 cf sealed sub would be down 18 db at 12 Hz. I think that would be a little much for my room to overcome. With 1,200 w of power handling, I don't know how much room I have to apply EQ.

My...
Forum: DIY Speakers and Subs   04-23-2013, 07:33 PM
Replies: 17
Views: 749
Posted By fredfish
I'm looking for advice on a ported design for...

I'm looking for advice on a ported design for this driver. I've searched and other than mention that it likes 25 to 30 cf I have not found anything.

Room: Small poured concrete bunker (aka...
Forum: DIY Speakers and Subs   11-29-2012, 09:25 PM
Replies: 2,272
Views: 122,768
Posted By fredfish
Sigh, tonight is just not my night. Now I get...

Sigh, tonight is just not my night. Now I get wonky results on the Mach 5 UXL I input. Can someone tell me how two of the SI 18s compares to a single UXL in a ported enclosure. I'm thinking either...
Forum: DIY Speakers and Subs   11-29-2012, 08:40 PM
Replies: 2,272
Views: 122,768
Posted By fredfish
Thanks LTD02, it works now. Entering uH as mH in...

Thanks LTD02, it works now. Entering uH as mH in LE makes for some interesting models. http://files.avsforum.com/images/smilies/eek.gif
Forum: DIY Speakers and Subs   11-29-2012, 07:46 PM
Replies: 2,272
Views: 122,768
Posted By fredfish
Has anyone tried entering Ricci's values into...

Has anyone tried entering Ricci's values into WinISD? It fails the consistency check for me when I try to save the file. It's been a while, so I don't know what I've done wrong.
Forum: DIY Speakers and Subs   10-20-2012, 08:30 AM
Replies: 324
Views: 21,520
Posted By fredfish
Hey, CowDude!...

Hey, CowDude! http://files.avsforum.com/images/smilies/biggrin.gif Love the screen name. It has so many possibilities...

I feel your pain on the range of options in the DIY world. It can be...
Forum: DIY Speakers and Subs   01-28-2012, 11:43 AM
Replies: 14
Views: 1,410
Posted By fredfish
Quote:Originally Posted by LTD02...

Quote:Originally Posted by LTD02 http://www.avsforum.com/img/forum/go_quote.gif (http://www.avsforum.com/forum/post/21560360)

might want to update the title... :-)


No way! Most guys spend...
Forum: DIY Speakers and Subs   01-16-2012, 03:31 PM
Replies: 6
Views: 1,263
Posted By fredfish
Quote:Originally Posted by s002wjh...

Quote:Originally Posted by s002wjh http://www.avsforum.com/img/forum/go_quote.gif (http://www.avsforum.com/forum/post/21497838)

i belief the tweeter is same as axiom. they LOOK exactly the same....
Forum: DIY Speakers and Subs   09-01-2010, 03:26 PM
Replies: 54
Views: 13,556
Posted By fredfish
OK, that makes sense. Wish I lived in Montreal....

OK, that makes sense. Wish I lived in Montreal. Its a beautiful city.

I have no lease breaking issues, my apartment is poured concrete. You should see the room gain I get....
Forum: DIY Speakers and Subs   08-31-2010, 08:00 PM
Replies: 54
Views: 13,556
Posted By fredfish
I have a question for you Mark. When I look at...

I have a question for you Mark. When I look at your 1pi simulation I see 110-115 db at ~16Hz. Am I just reading the log scale wrong?

Cool project by the way. I would love to build one of these,...
Forum: DIY Speakers and Subs   08-03-2010, 01:50 PM
Replies: 48
Views: 2,431
Posted By fredfish
Quote: The brain is constantly looking for...

Quote:

The brain is constantly looking for information from the sounds it receives. I think that is where the auto-eq has evolved, it automatically tunes out constants ( like a skewed eq or...
Forum: DIY Speakers and Subs   06-22-2010, 05:07 PM
Replies: 957
Views: 124,449
Posted By fredfish
Industrial espionage on a budget....

Industrial espionage on a budget. http://www.avsforum.com/avs-vb/images/smilies/biggrin.gif
Forum: DIY Speakers and Subs   06-22-2010, 05:03 PM
Replies: 65
Views: 26,224
Posted By fredfish
On a practical level, what does Akabak do for...

On a practical level, what does Akabak do for you that Hornresp doesn't?
Forum: Speakers   04-30-2010, 11:14 PM
Replies: 1,423
Views: 180,314
Posted By fredfish
Once the cut pattern for the cabinet is...

Once the cut pattern for the cabinet is programmed into the milling machine, I don't see what difference it makes whether they cut a vinyl covered sheet of mdf or a custom veneered sheet of MDF.
...
Forum: DIY Speakers and Subs   04-29-2010, 07:55 PM
Replies: 159
Views: 9,620
Posted By fredfish
Quote: Really though, what do you see...

Quote:

Really though, what do you see there? If you can find fault in what I have posted, out with it.


Its not that I find fault with what you have posted. Hell, I don't know enough about...
Forum: DIY Speakers and Subs   04-29-2010, 07:51 PM
Replies: 159
Views: 9,620
Posted By fredfish
I don't make any claims about the data being...

I don't make any claims about the data being groundbreaking. It is a real study, however limited, as opposed to theory.

Personally I'm open to other possibilities because nobody has done much...
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