
SLA and Tuba 18 build
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- Posts: 560
- Joined: Sun Jan 28, 2007 6:32 am
- Location: ohio
Re: SLA and Tuba 18 build
I might of missed it but what drivers did you end up going with? Lookin good Trump 

Built
4-25" Lab12 loaded T39's
2-DR250's Melded array
2-DR250's Flat array
4-25" Lab12 loaded T39's
2-DR250's Melded array
2-DR250's Flat array
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- Posts: 823
- Joined: Tue Dec 15, 2009 6:08 pm
- Location: Detroit,Michigan
Re: SLA and Tuba 18 build
I used the Madisound 3" midbasses and Goldwood GT-302 tweeters.
Antonz oddly enough I got the idea to do that on one hole lol.I drilled a hole in the middle with a 3/16 drill bit.i'm about to go tackle the 1" holes and its 5 degree's outside,i will drill holes in all the centers first,that should help.Thanks for the tip.
Antonz oddly enough I got the idea to do that on one hole lol.I drilled a hole in the middle with a 3/16 drill bit.i'm about to go tackle the 1" holes and its 5 degree's outside,i will drill holes in all the centers first,that should help.Thanks for the tip.
Built:
2 Autotuba's MCM 55 2421
8 T48's 24"wide 3015 LF
2 DR 250's melded Deltalite II 2510
2 DR 250's flat Deltalite II 2510
2 SLA HT systems
1 Table Tuba Dayton DCS 255-4
2 T 39's 20" wide 3012 LF
1 T-18 13" wide MCM 55 2421
2 SLA Pro's
2 Autotuba's MCM 55 2421
8 T48's 24"wide 3015 LF
2 DR 250's melded Deltalite II 2510
2 DR 250's flat Deltalite II 2510
2 SLA HT systems
1 Table Tuba Dayton DCS 255-4
2 T 39's 20" wide 3012 LF
1 T-18 13" wide MCM 55 2421
2 SLA Pro's
Re: SLA and Tuba 18 build
It is not about a hole in the centers, it is about a few holes touching the circle that the hole saw cuts so the saw dust can fall down instead of filling up the circle that the saw is cutting. Sorry if I am not writing it down very clearly, I'm not a native english writer 

Re: SLA and Tuba 18 build
For drilling smaller diameter holes in wood, a Frostner bit is the way to go. It doesn't saw into wood, it shaves it. So it takes less speed and runs cooler. Plus it makes nice really nice clean holes. It the only thing I'll use to make holes.
Just make sure to have a piece of sacrifical wood underneath to prevent possible chip-out.
Just make sure to have a piece of sacrifical wood underneath to prevent possible chip-out.
BFM builds:
XF212
T24 BP102 24"
2x SLA's 6-5" mids, 9- gt-302's
2x AT 14" MCM 55-2421
TrT 5" MCM 55-2421
AT 18" JBL GTO804
2x OT12 flat array
2x SLA Pro 2-Alpha 6's 2-Goldwoods
2x T39 24" 3012lf
Simplex 10 BP102
XF212
T24 BP102 24"
2x SLA's 6-5" mids, 9- gt-302's
2x AT 14" MCM 55-2421
TrT 5" MCM 55-2421
AT 18" JBL GTO804
2x OT12 flat array
2x SLA Pro 2-Alpha 6's 2-Goldwoods
2x T39 24" 3012lf
Simplex 10 BP102
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- Posts: 823
- Joined: Tue Dec 15, 2009 6:08 pm
- Location: Detroit,Michigan
Re: SLA and Tuba 18 build
I understood what you meant AntonZ,it worked a lot better.
Jimbo I thought about that but the holesaw worked out and I didn't have any tear outs to fill.
Jimbo I thought about that but the holesaw worked out and I didn't have any tear outs to fill.
Built:
2 Autotuba's MCM 55 2421
8 T48's 24"wide 3015 LF
2 DR 250's melded Deltalite II 2510
2 DR 250's flat Deltalite II 2510
2 SLA HT systems
1 Table Tuba Dayton DCS 255-4
2 T 39's 20" wide 3012 LF
1 T-18 13" wide MCM 55 2421
2 SLA Pro's
2 Autotuba's MCM 55 2421
8 T48's 24"wide 3015 LF
2 DR 250's melded Deltalite II 2510
2 DR 250's flat Deltalite II 2510
2 SLA HT systems
1 Table Tuba Dayton DCS 255-4
2 T 39's 20" wide 3012 LF
1 T-18 13" wide MCM 55 2421
2 SLA Pro's
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- Posts: 823
- Joined: Tue Dec 15, 2009 6:08 pm
- Location: Detroit,Michigan
Re: SLA and Tuba 18 build
Not even a Michigan Winter can stop the addiction...
Built:
2 Autotuba's MCM 55 2421
8 T48's 24"wide 3015 LF
2 DR 250's melded Deltalite II 2510
2 DR 250's flat Deltalite II 2510
2 SLA HT systems
1 Table Tuba Dayton DCS 255-4
2 T 39's 20" wide 3012 LF
1 T-18 13" wide MCM 55 2421
2 SLA Pro's
2 Autotuba's MCM 55 2421
8 T48's 24"wide 3015 LF
2 DR 250's melded Deltalite II 2510
2 DR 250's flat Deltalite II 2510
2 SLA HT systems
1 Table Tuba Dayton DCS 255-4
2 T 39's 20" wide 3012 LF
1 T-18 13" wide MCM 55 2421
2 SLA Pro's
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- Posts: 823
- Joined: Tue Dec 15, 2009 6:08 pm
- Location: Detroit,Michigan
Re: SLA and Tuba 18 build
The finished products with the new Baffle's,front page worthy...
Built:
2 Autotuba's MCM 55 2421
8 T48's 24"wide 3015 LF
2 DR 250's melded Deltalite II 2510
2 DR 250's flat Deltalite II 2510
2 SLA HT systems
1 Table Tuba Dayton DCS 255-4
2 T 39's 20" wide 3012 LF
1 T-18 13" wide MCM 55 2421
2 SLA Pro's
2 Autotuba's MCM 55 2421
8 T48's 24"wide 3015 LF
2 DR 250's melded Deltalite II 2510
2 DR 250's flat Deltalite II 2510
2 SLA HT systems
1 Table Tuba Dayton DCS 255-4
2 T 39's 20" wide 3012 LF
1 T-18 13" wide MCM 55 2421
2 SLA Pro's
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- Posts: 79
- Joined: Thu Aug 06, 2009 5:41 pm
- Location: Clinton Twp, MI
Re: SLA and Tuba 18 build
Looks nice. My TTLS is almost ready for staining. I know what you mean about the MI winters. I did all the cutting out in the garage and then brought the parts inside and assembled it in the living room.
- Drey Chennells
- Posts: 1377
- Joined: Sun May 17, 2009 10:12 pm
- Location: Central FL ~Authorized Builder
- Contact:
Re: SLA and Tuba 18 build

"Things happen, but music stays in your blood forever~." bf
InfraCoustik
Consulting/Design/Fabrication
Authorized BF Builder
http://www.infracoustik.com/
info@infracoustik.com
InfraCoustik
Consulting/Design/Fabrication
Authorized BF Builder
http://www.infracoustik.com/
info@infracoustik.com
Re: SLA and Tuba 18 build
How is that tweeterless curved SLA working for you, djtrumptight?
I know money often seals the deal, but seriously, quality is an investment, not an expense... Grant Bunter
Accept the fact that airtight and well-braced are more important than pretty on the inside. Bill Fitzmaurice
Accept the fact that airtight and well-braced are more important than pretty on the inside. Bill Fitzmaurice
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- Posts: 823
- Joined: Tue Dec 15, 2009 6:08 pm
- Location: Detroit,Michigan
Re: SLA and Tuba 18 build
its working pretty good,i haven't hooked it up to a good 5.1 receiver yet but the SLA's sound ALOT better than the cheap pioneer system its replacing.I still have to order a receiver and a Bash plate amp for the T 18.
Built:
2 Autotuba's MCM 55 2421
8 T48's 24"wide 3015 LF
2 DR 250's melded Deltalite II 2510
2 DR 250's flat Deltalite II 2510
2 SLA HT systems
1 Table Tuba Dayton DCS 255-4
2 T 39's 20" wide 3012 LF
1 T-18 13" wide MCM 55 2421
2 SLA Pro's
2 Autotuba's MCM 55 2421
8 T48's 24"wide 3015 LF
2 DR 250's melded Deltalite II 2510
2 DR 250's flat Deltalite II 2510
2 SLA HT systems
1 Table Tuba Dayton DCS 255-4
2 T 39's 20" wide 3012 LF
1 T-18 13" wide MCM 55 2421
2 SLA Pro's
Re: SLA and Tuba 18 build
Congrats, looking very,very good!
What drivers did you end up using in those sla's?
Cbarth
What drivers did you end up using in those sla's?
Cbarth
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- Posts: 823
- Joined: Tue Dec 15, 2009 6:08 pm
- Location: Detroit,Michigan
Re: SLA and Tuba 18 build
I used the Madisound 3" midbasses and Goldwood GT-302 tweeters.
Built:
2 Autotuba's MCM 55 2421
8 T48's 24"wide 3015 LF
2 DR 250's melded Deltalite II 2510
2 DR 250's flat Deltalite II 2510
2 SLA HT systems
1 Table Tuba Dayton DCS 255-4
2 T 39's 20" wide 3012 LF
1 T-18 13" wide MCM 55 2421
2 SLA Pro's
2 Autotuba's MCM 55 2421
8 T48's 24"wide 3015 LF
2 DR 250's melded Deltalite II 2510
2 DR 250's flat Deltalite II 2510
2 SLA HT systems
1 Table Tuba Dayton DCS 255-4
2 T 39's 20" wide 3012 LF
1 T-18 13" wide MCM 55 2421
2 SLA Pro's
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- Posts: 560
- Joined: Sun Jan 28, 2007 6:32 am
- Location: ohio
Re: SLA and Tuba 18 build
Lookin good Trump, Man I have some catching up to do. I have all of my SLA drivers just need the time to build the cabs.
Built
4-25" Lab12 loaded T39's
2-DR250's Melded array
2-DR250's Flat array
4-25" Lab12 loaded T39's
2-DR250's Melded array
2-DR250's Flat array
Re: SLA and Tuba 18 build
Is there a bigger gap after below top 2 tweets in your SLAs, or is it just a trick of the photography?djtrumptight wrote:The finished products with the new Baffle's,front page worthy...