Dual Loaded lab 15 Tuba-60

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zefrenm
Posts: 164
Joined: Wed Nov 16, 2011 2:51 am
Location: Shiprock, New Mexico

Dual Loaded lab 15 Tuba-60 part IV

#16 Post by zefrenm »

Day 5 - Slow day, I hate making the big braces. So decided to make it interesting. Using 3/4 x 1-1/2 popular wood we tried to balanced light with the curves of the center panel. I didn't think it would be this striking.
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An idea good or bad? i wont know until its put together.
An idea good or bad? i wont know until its put together.
Officially Half way, well not really. Tomorrow i will take the sides off and glue them down.
Officially Half way, well not really. Tomorrow i will take the sides off and glue them down.
tuba60bb-20.jpg
“With much respect and honor Dear sir … The size of the Tuba 60 is of non consequence, I rather do love bass and bass rather loves size, so save the “its too big comments” … thank you :) ”
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zefrenm
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Re: Dual Loaded lab 15 Tuba-60

#17 Post by zefrenm »

Titanium Hand wrote:ZEF you are like "The Mad Scientist" of Tuba 60's 8)


One question; Installing the panels for the horn path, with both sides already in place - how do you maintain sufficient glue within the joint whilst sliding the panels into place?

When assembling the Tuba this way, I only glue panels to other panels and braces, the sides will be taken off at the end, joints sanded and checked for leaks, then the sides are glued on.
“With much respect and honor Dear sir … The size of the Tuba 60 is of non consequence, I rather do love bass and bass rather loves size, so save the “its too big comments” … thank you :) ”
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Titanium Hand
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Joined: Mon Sep 05, 2011 4:32 am
Location: Sydney, Australia

Re: Dual Loaded lab 15 Tuba-60

#18 Post by Titanium Hand »

Quite an intriguing take on the construction stages then ZEF, I like it!

Can be quite a challenge trying to install 28inch wide panels square, I always get the feeling it would be infinitely easier with a third hand.

Looking forward to seeing the finished product
Built 2 x T39 Lab 12 loaded 457mm wide, 29inch Wide Dual Lab 12 Loaded T60 and 2 x OTop 112 2512 Melded. Powered by N.I.TRAKTOR Pro 2.6 (2.6.1 has too many issues) TRAKTOR KONTROL S2 Crown XTi2000
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zefrenm
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Re: Dual Loaded lab 15 Tuba-60 part V

#19 Post by zefrenm »

Three days left until gig
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Sides off and being sanded
Sides off and being sanded
pre staining the horn path
pre staining the horn path
Driver door flange, one edge is hot glued at the joint to allow the flange to be taken out without ripping the tuba apart to service.
Driver door flange, one edge is hot glued at the joint to allow the flange to be taken out without ripping the tuba apart to service.
l brackets and 1/4 dowels to fasten the 2nd half of the tuba to the center panel. assembly however is Just like in the way the Instructions tells you. :)
l brackets and 1/4 dowels to fasten the 2nd half of the tuba to the center panel. assembly however is Just like in the way the Instructions tells you. :)
Size comparison
Size comparison
Last edited by zefrenm on Thu Jul 18, 2013 2:22 am, edited 1 time in total.
“With much respect and honor Dear sir … The size of the Tuba 60 is of non consequence, I rather do love bass and bass rather loves size, so save the “its too big comments” … thank you :) ”
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zefrenm
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Re: Dual Loaded lab 15 Tuba-60 part V continued

#20 Post by zefrenm »

part II
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Dual Lab 15s!!!!
Dual Lab 15s!!!!
We Love her!!!
We Love her!!!
“With much respect and honor Dear sir … The size of the Tuba 60 is of non consequence, I rather do love bass and bass rather loves size, so save the “its too big comments” … thank you :) ”
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MissileCrisis
Posts: 1128
Joined: Sat Dec 15, 2012 1:30 pm
Location: Walnut Creek, California

Re: Dual Loaded lab 15 Tuba-60

#21 Post by MissileCrisis »

Referring to 3 days comment:
Cutting it a little close? Haha, I just planned out the next 3 days of building and my T60 (same stage as yours more or less) will be done on Saturday for soundcheck and Sunday for looks.
Built
2 x TLAH
1 Titan 39 (lab 12, 15 inch)
1 Tuba 60 (lab 12, 20 inch)
SLA Center
2 x Mini MLTP subwoofers
1 x 212 TH (custom)
2 x Mini-Karlsonators
Owned, but not built
2 x Jack 12 (2512, melded)
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subharmonic
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Location: Mandan ND

Re: Dual Loaded lab 15 Tuba-60

#22 Post by subharmonic »

MissileCrisis wrote:Referring to 3 days comment:
Cutting it a little close? Haha, I just planned out the next 3 days of building and my T60 (same stage as yours more or less) will be done on Saturday for soundcheck and Sunday for looks.
let me fix that for you

"will be done on Saturday for soundcheck and Sunday thru Sunday for looks.
2x T39, 1x T60, 1x THTLP, 1x AT(not built by me) 6x DR250
I need more bass

But this gal's built like a burlap bag full of bobcats
CW Mcall
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67baja
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Re: Dual Loaded lab 15 Tuba-60

#23 Post by 67baja »

first let me say you are the king of the mighty t60! You dont mess around when it comes to building these monsters. I believe your shows must be amazing from the pics you have posted. Now, I need to bring up the elephant in the room. I dont get it. Why oh why oh why not just build 2- 30" boxes? Unless you have a forklift I don't see how that behemoth will be moved. Please dont take this as an attack, I really do respect you, your builds, and admire your drive to build.
2 THTs, 2 TLAH, SLA curved, 1 8-AT, 1 AT JBL 1002D, 4 Otop12s, Jack 12, TT with Eminence 10", 2 SLAs, 1 T30 slim, 2 T30s (2-10" each), SLA Pros, TrT.
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MissileCrisis
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Re: Dual Loaded lab 15 Tuba-60

#24 Post by MissileCrisis »

His friend /coworker wanted to downsize the number of 'cabs' thus the two stuck together. I think he mentioned that they had a way to move the monster once it's done. Thanks sub harmonic I haven't gotten much sleep between building and work :).
Built
2 x TLAH
1 Titan 39 (lab 12, 15 inch)
1 Tuba 60 (lab 12, 20 inch)
SLA Center
2 x Mini MLTP subwoofers
1 x 212 TH (custom)
2 x Mini-Karlsonators
Owned, but not built
2 x Jack 12 (2512, melded)
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Ian Westwood
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Location: Apple Valley, CA

Re: Dual Loaded lab 15 Tuba-60

#25 Post by Ian Westwood »

I do like the look of the "cross over" braces :clap:
Image

Authorized BFM Builder
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sine143
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Joined: Sat Feb 06, 2010 3:27 pm
Location: Raleigh NC

Re: Dual Loaded lab 15 Tuba-60

#26 Post by sine143 »

i think i'd want a cross brace on the 1st brace in the depths of the mouth.
Built:
2x Tuba 30s delta12lf loaded (gone)
4x Otop12 d2512 loaded
8x t48s (18, 18, 24, 24, 30, 30) 3015lf loaded
2x AT (1 mcm, 1 gto 804)
2x SLA Pro (dayton pa6, 6 goldwood piezo loaded)
1x bastard XF208

2x OT212 (delta pro 450a loaded, eminence psd)
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67baja
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Re: Dual Loaded lab 15 Tuba-60

#27 Post by 67baja »

Image

"I don't get it."
2 THTs, 2 TLAH, SLA curved, 1 8-AT, 1 AT JBL 1002D, 4 Otop12s, Jack 12, TT with Eminence 10", 2 SLAs, 1 T30 slim, 2 T30s (2-10" each), SLA Pros, TrT.
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88h88
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Joined: Mon Jul 04, 2011 10:20 am
Location: Coventry, UK

Re: Dual Loaded lab 15 Tuba-60

#28 Post by 88h88 »

67baja wrote:first let me say you are the king of the mighty t60! You dont mess around when it comes to building these monsters. I believe your shows must be amazing from the pics you have posted. Now, I need to bring up the elephant in the room. I dont get it. Why oh why oh why not just build 2- 30" boxes? Unless you have a forklift I don't see how that behemoth will be moved. Please dont take this as an attack, I really do respect you, your builds, and admire your drive to build.
I've been wondering that since the start of the build. Unless you're rocking a fucking forklift I can imagine that big bastard being horrible to move around. Also with it being double width I can imagine that adds a fair whack of leverage for the cab to twist down that centre point.
4xOT12s, 2xT39s@22", TTLS@18", 2xT60@18"
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Charles Jenkinson
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Re: Dual Loaded lab 15 Tuba-60

#29 Post by Charles Jenkinson »

67baja wrote:Now, I need to bring up the elephant in the room, ..behemoth...
A literal elephant, in a room. Brilliant!
2xJ12L (3012HO) switchable/melded
2xT30

Words&graphics - Audio&Acoustics - Hardware&DSP; 3 different paradigms.
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eshadeol
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Location: Phoenix Arizona downtown district

Re: Dual Loaded lab 15 Tuba-60

#30 Post by eshadeol »

Great job there Zefren.
Defy the vortex -of mediocre-second rate bass- produced by mongrels- devoid of taste!
A beautiful lyric from : Maggotron "In Search of a Funky Khan"
4 T60 27" lab15,Omni TB 2 BP102,AutoTubaMCM 10"
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