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Forum: Audio Theory, Setup, and Chat   03-28-2015, 09:52 PM
Replies: 2
Views: 70
Posted By Gaugster
When you push on a speaker while monitoring the...

When you push on a speaker while monitoring the terminals you get what is known as a Back EMF.

I don't believe that term is used much in the Audio industry but since you brought it up. :blush:
Forum: Audio Theory, Setup, and Chat   03-11-2015, 08:31 PM
Replies: 15
Views: 374
Posted By Gaugster
Hello. Nope I basically stopped after reading the...

Hello. Nope I basically stopped after reading the first paragraph. Hate to sound judgmental but as the saying goes "Ain't got time for that".

I kind of assumed it was just a generalization.
...
Forum: Audio Theory, Setup, and Chat   03-10-2015, 07:03 PM
Replies: 15
Views: 374
Posted By Gaugster
I started to check into these articles but was...

I started to check into these articles but was stopped by an initial comment that has me totally vexed. In the first article, first sentence the author claims that reflections can actually be louder...
Forum: Surround Music Formats   03-08-2015, 01:50 PM
Replies: 14
Views: 228
Posted By Gaugster
Thanks for this. Going to give the Schiller Leben...

Thanks for this. Going to give the Schiller Leben SACD a try as it is not region specific. Schiller Atemlos DVD does not seem to have a Region 1 version and I am not so interested in hacking my OPPO....
Forum: Audio Theory, Setup, and Chat   03-07-2015, 07:45 AM
Replies: 15
Views: 374
Posted By Gaugster
Great read and links. Will try to read them all...

Great read and links. Will try to read them all sometime. I have gone as far to get REW and a USB Mic on a stand. Still only doing Low Frequency sweeps to get the bass sorted out.

My personal...
Forum: Surround Music Formats   03-07-2015, 07:27 AM
Replies: 14
Views: 228
Posted By Gaugster
Basically I am on my third wave of EDM. Most of...

Basically I am on my third wave of EDM. Most of it is not even recorded in stereo hence the upmixers (DD, DTS) don't have much to work with. Was rocking pure bass music 20+ years ago. Acts like BASS...
Forum: DIY Speakers and Subs   02-20-2015, 05:17 AM
Replies: 13
Views: 381
Posted By Gaugster
Harman has some good white papers that elaborate...

Harman has some good white papers that elaborate on what others are suggesting.

http://www.harman.com/EN-US/OurCompany/Innovation/Pages/WhitePapers.aspx?CategoryID=White%20papers
Forum: DIY Speakers and Subs   01-28-2015, 07:15 PM
Replies: 41
Views: 1,186
Posted By Gaugster
Updated to a working link. Check out the article...

Updated to a working link. Check out the article on subs. Fourth from the bottom.
Forum: DIY Speakers and Subs   01-28-2015, 07:02 PM
Replies: 41
Views: 1,186
Posted By Gaugster
Four subs might be more flexible than you think....

Four subs might be more flexible than you think.
www.harman.com/EN-US/OurCompany/Innovation/Pages/WhitePapers.aspx?CategoryID=White%20papers
Forum: DIY Speakers and Subs   01-26-2015, 06:53 PM
Replies: 63
Views: 8,995
Posted By Gaugster
Did some REW sweeps over the weekend. Using a...

Did some REW sweeps over the weekend. Using a UMM-6 with a Cross-Spectrum calibration.

Mic was in a stand and measured at multiple locations across the couch. Distance is over 4 meters from the...
Forum: DIY Speakers and Subs   01-20-2015, 11:50 AM
Replies: 69
Views: 1,675
Posted By Gaugster
I would have to agree with the others about...

I would have to agree with the others about little or no cost up to go with larger diameter subs.

That said I have a long list comparing 12's since I that size when I started my DIY projects.
...
Forum: DIY Speakers and Subs   01-18-2015, 08:42 PM
Replies: 2
Views: 79
Posted By Gaugster
Maybe check the inputs and outputs of the...

Maybe check the inputs and outputs of the cross-overs? Did something get unsolder from the connections made?
Forum: DIY Speakers and Subs   01-18-2015, 06:27 PM
Replies: 63
Views: 8,995
Posted By Gaugster
Took a lot of will power not to bolt on the amp...

Took a lot of will power not to bolt on the amp and fire it up. But some tedious task need to be done otherwise this thing might never be "complete".

Paper thin clearance but the speaker fits. :D
Forum: DIY Speakers and Subs   01-17-2015, 06:30 PM
Replies: 63
Views: 8,995
Posted By Gaugster
Some more progress on the finish..... Looking...

Some more progress on the finish..... Looking Great.....:)

Have to paint over the edges and some finishing touches..... :)
Forum: DIY Speakers and Subs   01-15-2015, 10:20 AM
Replies: 44
Views: 1,190
Posted By Gaugster
Cool thread and thanks for the picks. It's always...

Cool thread and thanks for the picks. It's always hard to stop working to take photos but makes for more entertaining but longer build.
Forum: Audio Theory, Setup, and Chat   01-10-2015, 07:20 AM
Replies: 2
Views: 68
Posted By Gaugster
This is typical of newer phones and consumer or...

This is typical of newer phones and consumer or old electronics that are certified to less stringent EMC/EMI testing.

Noise interference could be coupling into the components themselves. Cables...
Forum: DIY Speakers and Subs   01-10-2015, 07:04 AM
Replies: 4
Views: 152
Posted By Gaugster
Sorry to hear about the trouble. I recently ...

Sorry to hear about the trouble. I recently
had terrible luck with a Dayton RSS315-44.

There was a recall from PE as it seems some sort of mass plug comes loose.

Well three subs later i had...
Forum: DIY Speakers and Subs   01-05-2015, 05:17 AM
Replies: 63
Views: 8,995
Posted By Gaugster
I have some 2 ply birch veneer. Check out post...

I have some 2 ply birch veneer. Check out post #28.

The new sub fits but with only a mm or so to spare. Same for my orbital sander. It is very much a miracle. I sized the opening bigger so that I...
Forum: DIY Speakers and Subs   01-04-2015, 03:58 PM
Replies: 63
Views: 8,995
Posted By Gaugster
Here is some progress pictures of the veneer. Got...

Here is some progress pictures of the veneer. Got the top, bottom and inside around the speaker attached.

I use a roller for pressure but like to get some weight on it to get as much bond from the...
Forum: DIY Speakers and Subs   01-02-2015, 06:15 AM
Replies: 63
Views: 8,995
Posted By Gaugster
A Fs of 21Hz is much closer than I would have...

A Fs of 21Hz is much closer than I would have thought. The challenge is balancing the compromises that go along with enclosure designs.

One advantange of PP or clamshell is Sd is only for one...
Forum: DIY Speakers and Subs   01-01-2015, 07:54 PM
Replies: 63
Views: 8,995
Posted By Gaugster
I had made an incorrect reference in the YouTube...

I had made an incorrect reference in the YouTube video that I posted (#53) earlier. The link below is one of the original documents that I used for reference. This author claims that an area of 1.5x...
Forum: DIY Speakers and Subs   01-01-2015, 10:46 AM
Replies: 63
Views: 8,995
Posted By Gaugster
Hmmm, that is a tough set of questions to...

Hmmm, that is a tough set of questions to response to. I would first state my opinion that in many ways I view TL and Folded Horns as complete opposite enclosure types. TL use taper which is the...
Forum: DIY Speakers and Subs   01-01-2015, 08:27 AM
Replies: 63
Views: 8,995
Posted By Gaugster
I appreciate the kind comments. One great benefit...

I appreciate the kind comments. One great benefit of making a TL is the small core group of people that have an interest. So you are never too far from the source. :) Mr. King's website is a great...
Forum: DIY Speakers and Subs   12-31-2014, 06:39 AM
Replies: 141
Views: 3,158
Posted By Gaugster
Cool repair / rebuild. I'm stoked about 1 inch...

Cool repair / rebuild. I'm stoked about 1 inch MDF. My back hurts just imagining how much they weigh. 2015 is looking up. Cheers!
Forum: DIY Speakers and Subs   12-27-2014, 08:26 PM
Replies: 63
Views: 8,995
Posted By Gaugster
I know what you mean but it took me a while to...

I know what you mean but it took me a while to remember. It seems that Transmission Lines use taper to 'acousticly' lengthen the line. Horns use every increasing flare to gain efficiency but at very...
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