First BFM Build Odyssey: Tuba 60

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Seth
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Re: First BFM Build Odyssey: Tuba 60

#31 Post by Seth »

Joman116 wrote: Thu Apr 02, 2026 2:36 pm Thanks Billy.
Billy?

You guys playing tether ball down by the swing set later?

Race ya to the monkey bars!
Two 2x6 shorty SLA Pro's
One T39, 16", 3012LF loaded
Tall AutoTuba, 20" wide, 2x 8" MCM 55-2421
TruckTuba, 8½" wide, 2x 8" MCM 55-2421

Joman116
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Location: TX

Re: First BFM Build Odyssey: Tuba 60

#32 Post by Joman116 »

Seth wrote: Thu Apr 02, 2026 3:34 pm
Joman116 wrote: Thu Apr 02, 2026 2:36 pm Thanks Billy.
Billy?

You guys playing tether ball down by the swing set later?

Race ya to the monkey bars!
Ha whoops. Autocorrect. *Bill!
2x20" Titan 39 loaded with Eminence KAPPALITE 3012F
QSC 1804 Amp
DBA Driverack 260 Speaker Management
In Progress: 1x20" Tuba 60 loaded with Eminence Lab12

Joman116
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Joined: Sat Jun 21, 2025 4:40 pm
Location: TX

Re: First BFM Build Odyssey: Tuba 60

#33 Post by Joman116 »

So I was actually able to get the side panel cut out today. It's a little bit rough as I freehanded some of it. Should be able to look much better cosmetically at the end of the build where I sand it and will finish it.

Getting an HTTP error when I'm trying to upload image.

Next I'm going to do the baffle cut out driver, Target is prior to Easter.
2x20" Titan 39 loaded with Eminence KAPPALITE 3012F
QSC 1804 Amp
DBA Driverack 260 Speaker Management
In Progress: 1x20" Tuba 60 loaded with Eminence Lab12

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Seth
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Re: First BFM Build Odyssey: Tuba 60

#34 Post by Seth »

Joman116 wrote: Thu Apr 02, 2026 4:11 pm Ha whoops. Autocorrect. *Bill!
:mrgreen: figured that was the case.


I had a few glitches occur on this site today too. They cleared up. Maybe try uploading again tomorrow.
Two 2x6 shorty SLA Pro's
One T39, 16", 3012LF loaded
Tall AutoTuba, 20" wide, 2x 8" MCM 55-2421
TruckTuba, 8½" wide, 2x 8" MCM 55-2421

Joman116
Posts: 136
Joined: Sat Jun 21, 2025 4:40 pm
Location: TX

Re: First BFM Build Odyssey: Tuba 60

#35 Post by Joman116 »

A few pics of the panel cut and the jig I'll use for the hole.

If the hole requirement per plan is 10 3/4" for lab 12, do I add 1/4" to account for the bit diameter? , thus putting in 11" for the Jasper jig?


Edit : I read The Jig more closely and it says it's calibrated already to use a quarter inch bit, so in this case I choose the 10 and 3/4 in slot
1000114076.jpg
1000114059.jpg
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2x20" Titan 39 loaded with Eminence KAPPALITE 3012F
QSC 1804 Amp
DBA Driverack 260 Speaker Management
In Progress: 1x20" Tuba 60 loaded with Eminence Lab12

Joman116
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Joined: Sat Jun 21, 2025 4:40 pm
Location: TX

Re: First BFM Build Odyssey: Tuba 60

#36 Post by Joman116 »

Made progress yesterday! Decided to jump around from the plans, instead of gluing the first panel I decided to work on the baffle. The Jasper Jig was crucial, thanks to the person who recommended that, it was either Bruce or Seth I believe.

First time using a router so the setup for the router and The Jig took quite some time. Cut the circle in one pass. I need to do some visual inspection to make sure the speaker surround is not hitting the baffle when there's voltage applied (using the lab 12)
1000114767.jpg
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2x20" Titan 39 loaded with Eminence KAPPALITE 3012F
QSC 1804 Amp
DBA Driverack 260 Speaker Management
In Progress: 1x20" Tuba 60 loaded with Eminence Lab12

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Bill Fitzmaurice
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Re: First BFM Build Odyssey: Tuba 60

#37 Post by Bill Fitzmaurice »

It's easier to cut the hole with multiple passes, going through it in one pass bogs the router down and overheats the bit.

Joman116
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Joined: Sat Jun 21, 2025 4:40 pm
Location: TX

Re: First BFM Build Odyssey: Tuba 60

#38 Post by Joman116 »

Bill Fitzmaurice wrote: Tue Apr 07, 2026 8:14 am It's easier to cut the hole with multiple passes, going through it in one pass bogs the router down and overheats the bit.
Will keep that in mind for next time, yes it did sound like it was bogging down a bit. Circle looks quite good though.
2x20" Titan 39 loaded with Eminence KAPPALITE 3012F
QSC 1804 Amp
DBA Driverack 260 Speaker Management
In Progress: 1x20" Tuba 60 loaded with Eminence Lab12

Old Mike
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Joined: Thu Sep 13, 2012 12:27 pm

Re: First BFM Build Odyssey: Tuba 60

#39 Post by Old Mike »

I'd add a suggestion, fasten the board you are routing the hole through down to a sacrificial base via some screws through the piece that will be discarded, by doing that when the router breaks through it won't damage the edge of the hole you made.

Bruce Weldy
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Re: First BFM Build Odyssey: Tuba 60

#40 Post by Bruce Weldy »

Bill Fitzmaurice wrote: Tue Apr 07, 2026 8:14 am It's easier to cut the hole with multiple passes, going through it in one pass bogs the router down and overheats the bit.
Absolutely......and it's actually much quicker. You can do 2-3 passes pretty quick and not burn up the router or the bit.

6 - T39 3012LF
4 - OT12 2512
1 - T24
1 - SLA Pro
2 - XF210


"A system with a few knobs set up by someone who knows what they are doing is always better than one with a lot of knobs set up by someone who doesn't."

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