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Dual GJALLARHORNs! - Page 12

post #331 of 517
3/10/13 at 9:12pm
Quote:
Originally Posted by lukeamdman View Post

I put glue down first on every joint before putting screws in.
That's definitely ideal, but one of the downsides of combining a Kreg screw to a joint that has thick glue on it is that as you tighten the screw the joint will "walk" slightly towards the direction the screw is going. Because of that slight movement on just about every joint, pretty much every piece of cross-bracing will have very slight dimension changes to make sure it's a snug fit.

Thanks!

Perhaps a way to avoid the "walking" would be to use a biscuit joiner. The biscuits would establish the location of the joint and then you would use pocket screws to hold it in place while the glue is drying.
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post #332 of 517
3/10/13 at 10:52pm
Practice practice and it gets easier each time to line it up.
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post #333 of 517
3/11/13 at 12:17am
Also, maybe you could screw down 4 small pieces of wood, 2 on each end of the panel, .75" apart to lock the panel in place so it can't move while you screw it down, then remove them.
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post #334 of 517
3/11/13 at 1:11am
Quote:
Originally Posted by rajacat View Post

Perhaps a way to avoid the "walking" would be to use a biscuit joiner. The biscuits would establish the location of the joint and then you would use pocket screws to hold it in place while the glue is drying.

Are the pieces in places where the pocket screw clamps cannot be used? On edges where I would put a pocket hole I would just to be able to use the clamp. I know the folds are hard to assemble in some cases anyway so maybe even having a ripped piece of wood with L brackets screwed to it with very short screws would help just until it is in place then fill the small hole with putty since it wouldnt go all the way through the wood anyway.
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post #335 of 517
3/11/13 at 7:26am
Thread Starter 
Oh snap, this can fit in a 2" space:




http://www.amazon.com/Milwaukee-49-22-8510-Right-Angle-Attachment/dp/B000BYEJ02/ref=sr_1_1?ie=UTF8&qid=1363011010&sr=8-1&keywords=48-22-8510
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post #336 of 517
3/11/13 at 8:04am
Quote:
Originally Posted by Ricci View Post

Ok...to be clear again you can't just throw any drivers in a horn. The Axis and LMSR 15's do not work well. Also the 15" Alpine model that does is NOT the SWS model it is the higher end SWR type R 15's which are about $200 each from many places online and you need 2 in each horn.

Thanks for the clarification. Still uber cheap in my opinion for that much Sd and Bl.
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post #337 of 517
3/13/13 at 10:46am
Does anyone know if either of these drivers will work in this horn? I have one of each.

18" TC-5200 QVC

Qts 0.151
Qes 0.155
Qms 6.2
Fs 18Hz
Res 4.52Ω
Ls 6.56mH
Lp 10.6mH
Rp 13.7Ω
Dia 390mm
Vas 230l
mms 545g
cms 135um/N
bl 43T*m
Spl 92.4dB

15" TC-5200 QVC

Qts 0.159
Qes 0.164
Qms 5.1
Fs 22Hz
Res 4.52Ω
Ls 6.56mH
Lp 10.6mH
Rp 13.7Ω
Dia 325mm
Vas 109l
mms 517g
cms 109um/N
bl 43T*m
Spl 90.2dB
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post #338 of 517
3/13/13 at 3:49pm
Thread Starter 
16.75" hole:



Before I screw this one on I'm going to screw the cross-bracing on first:

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post #339 of 517
3/13/13 at 6:14pm
Quote:
Originally Posted by maintrain View Post

Does anyone know if either of these drivers will work in this horn? I have one of each.

18" TC-5200 QVC

Qts 0.151
Qes 0.155
Qms 6.2
Fs 18Hz
Res 4.52Ω
Ls 6.56mH
Lp 10.6mH
Rp 13.7Ω
Dia 390mm
Vas 230l
mms 545g
cms 135um/N
bl 43T*m
Spl 92.4dB

15" TC-5200 QVC

Qts 0.159
Qes 0.164
Qms 5.1
Fs 22Hz
Res 4.52Ω
Ls 6.56mH
Lp 10.6mH
Rp 13.7Ω
Dia 325mm
Vas 109l
mms 517g
cms 109um/N
bl 43T*m
Spl 90.2dB

The 18" looks passable but it has quite a bit of ripple in the response. Not great. Also the inductance is a bit of an unknown. It could have major effects on the response shape too.
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post #340 of 517
3/13/13 at 7:10pm
Jasper Jig FTW!

How many hours do you have into the build so far?
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post #341 of 517
3/13/13 at 7:20pm
Thread Starter 
Quote:
Originally Posted by steve71 View Post

Jasper Jig FTW!

How many hours do you have into the build so far?

Oh probably 16-17 hours all together.
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post #342 of 517
3/13/13 at 7:33pm
Quote:
Originally Posted by lukeamdman View Post

Oh probably 16-17 hours all together.

That's not bad. I think it took around 30 hours to build my tapped horn and it was a lot simpler, and there was only one.

Thanks for documenting it with all the photos. I put down a deposit on four UXL-18's this week.
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post #343 of 517
3/13/13 at 7:46pm
Quote:
Originally Posted by steve71 View Post

That's not bad. I think it took around 30 hours to build my tapped horn and it was a lot simpler, and there was only one.

Thanks for documenting it with all the photos. I put down a deposit on four UXL-18's this week.

NICE!!!
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post #344 of 517
3/13/13 at 8:08pm
Just doing my bit for the Canadian economy tongue.gif.
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post #345 of 517
3/13/13 at 8:15pm
Quote:
Originally Posted by steve71 View Post

Just doing my bit for the Canadian economy tongue.gif.

lol me too, I had my order in for 4 for the G-horns a month or 2 ago! biggrin.gif
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post #346 of 517
3/13/13 at 8:39pm
Quote:
Originally Posted by N8DOGG View Post

lol me too, I had my order in for 4 for the G-horns a month or 2 ago! biggrin.gif

Well dang, there goes my bragging rights and I haven't even got the drivers yet biggrin.gif

I salute in your general direction.
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post #347 of 517
3/14/13 at 6:11am
Shoot...I am just waiting for someone else to hear them. I have been thoroughly enjoying the original pair for a few years. My friends like them but they don't really know much about audio.
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post #348 of 517
3/14/13 at 6:20am
Quote:
Originally Posted by Ricci View Post

Shoot...I am just waiting for someone else to hear them. I have been thoroughly enjoying the original pair for a few years. My friends like them but they don't really know much about audio.

When do you think you'll be ready to send the new plans? I can start building this weekend!
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post #349 of 517
3/14/13 at 6:43am
Quote:
Originally Posted by dsl1 View Post

When do you think you'll be ready to send the new plans? I can start building this weekend!

Sorry I thought I had already sent them...I will get the files sent today.

BTW is everyone using either the UXL or 5400?
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post #350 of 517
3/14/13 at 6:48am
Quote:
Originally Posted by Ricci View Post

Sorry I thought I had already sent them...I will get the files sent today.

BTW is everyone using either the UXL or 5400?

No problem. Thanks for putting everything together. I know we all really appreciate it.

I'm using UXL's along with N8 and Steve. Luke is using the 5400's. Not sure on everyone else.
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post #351 of 517
3/14/13 at 2:22pm
Josh, can you please send me the update plans as well?

jpmst3 @ gmail

Thanks!
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post #352 of 517
3/14/13 at 4:06pm
UXL is the best option for me. I would love to build one with dual Alpine R's but that increases the cost to much.
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post #353 of 517
3/14/13 at 4:24pm
Thread Starter 
I'll be putting that rubber surround thing back on, but I wanted to make sure the bolt pattern lines up. Yep!



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post #354 of 517
3/14/13 at 5:12pm
Chrapladm how much are the Alpines there? It's like $650 for a UXL in Oz right? The Alpines are $200 each shipped here.


Quote:
Originally Posted by jpmst3 View Post

Josh, can you please send me the update plans as well?

jpmst3 @ gmail

Thanks!

Unfortunately i can't...My drop send quota under my free account is past the limit for the month. The files just won't go through email they always get kicked back as too big.
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post #355 of 517
3/14/13 at 6:25pm
Quote:
Originally Posted by Ricci View Post

Chrapladm how much are the Alpines there? It's like $650 for a UXL in Oz right? The Alpines are $200 each shipped here.
Unfortunately i can't...My drop send quota under my free account is past the limit for the month. The files just won't go through email they always get kicked back as too big.
Everything said and done delivered to my door the UXL's are going to be about 650 each unless I pre-ordered them. Type R is about 480 each here in OZ, Just ridiculous. I think shipping on a pair of those Type R's would be about 150-200 so I guess the Type R's are actually about the same price.

So maybe a dual Type R would be what I would build. I got a quote on a pair of Type S 15's for another build and they were about 145 for shipping. Cheap compared to the cost of them here.
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post #356 of 517
3/14/13 at 6:37pm
Quote:
Originally Posted by chrapladm View Post

Everything said and done delivered to my door the UXL's are going to be about 650 each unless I pre-ordered them. Type R is about 480 each here in OZ, Just ridiculous. I think shipping on a pair of those Type R's would be about 150-200 so I guess the Type R's are actually about the same price.

So maybe a dual Type R would be what I would build. I got a quote on a pair of Type S 15's for another build and they were about 145 for shipping. Cheap compared to the cost of them here.

Ouch! $480 each! Man that is brutal..
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post #357 of 517
3/14/13 at 6:55pm
Thread Starter 






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post #358 of 517
3/14/13 at 7:10pm
be careful not to warp your wood with that clamp
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post #359 of 517
3/14/13 at 7:53pm
Thread Starter 
In case anyone was wondering, here are the measurements I used instead of the CNC measurements to draw the template:

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post #360 of 517
3/15/13 at 6:33am
Thanks for the response Ricci. What about a 15" lms 5400? Will it work in this enclosure?

15" LMS-5400 DVC

Qts 0.360
Qes 0.373
Qms 10.52
Fs 20Hz
Res 3.98Ω
Ls 3.1mH
Lp 5.7mH
Rp 3.47Ω
Dia 325mm
Vas 116l
mms 509g
cms 119um/N
bl 26.5T*m
Spl 86.2dB
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