Triple Gjallarhorn + Othorn Build - Page 6 - AVS Forum
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Old 04-30-2013, 05:22 PM
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Originally Posted by Ricci View Post

What were you already running? If you are comparing one GH to multiple other subs with high powered 18's and 15's yeah it isn't going to blow them away with one driver no matter what enclosure it is in.

Don't get me wrong, it's pretty awesome lol. My first measurements are looking like the G-horn is about 2-3 of my 21's, which is what I expected. I think in my case it's going to have to be 4 at least.... tongue.gif
Though I did have the G-horns AND my 21's a rocking and I think If I can get them dialed in right, I'm gonna keep it that way biggrin.gif

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Old 05-05-2013, 02:27 PM - Thread Starter
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Question:

Audyssey XT32 on my Onkyo 818 is setting the distance to the Ghorns at the distance from the mouth. Tried different things with just one running, moving the mic to a foot in front of the mouth, etc. It always gave the correct distance to the mouth but it sounds like it should be including some delay for the horn path as well no?

Here is a graph:

Purple: Just one Ghorn
Yellow: Just Mains (SEOS12 with Deltalites)
Green: Both

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Old 07-19-2013, 01:19 PM
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Made some good progress today. Cut most of the inside panels to width. Gotta figure out the angles / length without the dado's. Drilled the pocket holes in all the outside pieces and attached a few on the first one.

Drilling pocket holes:



Track Saw Setup: Cutting all the 22.53inch widths



Horn path outline: Finishing these up on all of them tomorrow

Really nice saw.

How much does the track set up cost?

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Old 07-19-2013, 01:21 PM - Thread Starter
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Originally Posted by Mfusick View Post

Really nice saw.

How much does the track set up cost?

It's about 550$ for the saw / track from Festool. Festool is the very high end of these things, there are several other options as well that are a bit cheaper.

Really really like it though. Great tool to have!
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Old 09-14-2013, 05:00 PM
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Originally Posted by N8DOGG View Post

Don't get me wrong, it's pretty awesome lol. My first measurements are looking like the G-horn is about 2-3 of my 21's, which is what I expected. I think in my case it's going to have to be 4 at least.... tongue.gif
Though I did have the G-horns AND my 21's a rocking and I think If I can get them dialed in right, I'm gonna keep it that way biggrin.gif

Any updates guys?

My craving for a build is ramping up as the season starts to change. Late fall and winter is bass time!!

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Old 09-14-2013, 06:58 PM
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I took one of the horns out of my room and am adding 4 more sealed 21's. They are just to big for my room at the moment.

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Old 09-15-2013, 06:33 AM
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So four 21's is smaller? Just playing wink.gif ..... Do you have any pics to post? I would really like to see your 21's. I am having the same issue with my horn sub and am replacing it with 4 18's soon.

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Old 09-15-2013, 09:19 AM
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Originally Posted by N8DOGG View Post

I took one of the horns out of my room and am adding 4 more sealed 21's. They are just to big for my room at the moment.

Nice!

Are you using the FTW-21s?


I can relate. The GJALLARHORNs are a little big for my room too. I may still build them. I am ready to move on from the DTS-10 realm and into something new.

I might inquire as to whether anyone might by willing to do a refold so that the cabs are longer but not as tall. Ugh, there just is no perfect size/diesign!

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Old 09-15-2013, 10:31 AM
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Originally Posted by Pain Infliction View Post

So four 21's is smaller? Just playing wink.gif ..... Do you have any pics to post? I would really like to see your 21's. I am having the same issue with my horn sub and am replacing it with 4 18's soon.

Well, I should have said the G-horns AS WELL as my 4 x 21's lol.

2 G-horns is very close to the same size of 8 x 21's stacked 4 on each side behind my couch. I do have pics but they are not current. My basement is currently under tarps and plastic as our upstairs is being renovated but the HT portion should be back to normal this week..... hopefully. I'll post some pics once it's cleaned up.

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Old 09-15-2013, 10:33 AM
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Originally Posted by jpmst3 View Post

Nice!

Are you using the FTW-21s?


I can relate. The GJALLARHORNs are a little big for my room too. I may still build them. I am ready to move on from the DTS-10 realm and into something new.

I might inquire as to whether anyone might by willing to do a refold so that the cabs are longer but not as tall. Ugh, there just is no perfect size/diesign!

Yup, The G-horns hammer under 30hz but give up too much to the sealed subs above that. I currently have one of the G-horns in storage and the other is still in the HT but pointed directly at the back of the couch for some tactile feel wink.gif

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Old 09-18-2013, 04:33 PM
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I bet those 21s are bad ass to look at too.

I wish you lived closer. I would love to demo those babies.

Congrats on a great setup!cool.gif

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Old 03-11-2014, 05:52 PM
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Where did you guys purchase the 4x8 sheets of baltic birtch
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Old 03-11-2014, 06:13 PM
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Liberty Hardwoods in Des Moines and Hill Hardwood in Iowa City.
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Old 07-02-2014, 06:06 PM
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Did you ever take final measurement on distortion or Response or SPL ?

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Old 07-02-2014, 07:27 PM
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Where did you guys purchase the 4x8 sheets of baltic birtch
Since this thread is back from the dead I figured I would answer this question.

4X8 sheets of Baltic Birch are generally shop grade, at least that's what I can get here in S. Cali. It will generally have one good side and the other will have football shaped patches were there were knots or defects on the veneer side. Sometimes it has the patches on both sides but it is a void free 13 ply. Just ask around lumber yards for shop grade 4x8 BB and if they don't have it they should be able to point you to someone who does.

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Old 08-10-2014, 06:04 PM
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Where can i find plans for the othorn?
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Old 08-11-2014, 09:53 AM
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Where can i find plans for the othorn?
Ricci

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Old 08-14-2014, 04:21 AM
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Old 08-14-2014, 06:28 AM
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I dont think there needed to be one. There was a refold on the Ghorn. I dont believe anyone has built the V2 refold yet.
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Old 09-20-2014, 02:10 PM
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I dont think there needed to be one. There was a refold on the Ghorn. I dont believe anyone has built the V2 refold yet.
I have the plan from Josh, but I have not built it. Someone must have built it by now.

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Old 09-20-2014, 06:17 PM
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I think this will be the first person to build one AND have a thread. Ghorn seems to be slowing dying off only because of the size and available drivers.
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Old 10-28-2014, 04:35 PM
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I think this will be the first person to build one AND have a thread. Ghorn seems to be slowing dying off only because of the size and available drivers.
Can't you use a UXL instead of LMS? Or even a Sundown ? I think it's mostly the difficulty of the build. Most just settle for a marty.

Has anyone ever tested the second fold versus the original?

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Old 10-28-2014, 05:07 PM
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UXL works just fine and I dont believe any Sundown products work in the GHorn.
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Old 10-28-2014, 06:20 PM
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Has anyone ever tested the second fold versus the original?

Great question!
I am curious myself to know if there are any real world differences between the folds.
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Old 10-28-2014, 07:33 PM
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Great question!
I am curious myself to know if there are any real world differences between the folds.
I have a hard time believing Josh would make a revision to an already crazy good design and it not be improved....
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Old 10-28-2014, 07:38 PM
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I have a hard time believing Josh would make a revision to an already crazy good design and it not be improved....
This is true.
And it is definitely a better re-fold, however that may not necessarily translate to appreciable differences in FR or THD.
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