auto tuba plans?

For livingroom sound better than in a theatre.
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J_Dunavin
Posts: 1279
Joined: Sun Jul 09, 2006 3:13 pm
Location: Appleton WI
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auto tuba plans?

#1 Post by J_Dunavin »

well, my $35 MCM driver finally gave it up after 13 years. I think the only reason actually is that i dropped it and i bet i messed up the alignment and then tried to play it and cooked the coil... it's froze solid.
You can still get the MCM diver from Newark.
Curious if the plans have changed since 2012?
Maybe i'll build it wider and go with that Dayton 10" option... though sure was fun to let people listen then tell then what it really was :D
2 - OTop8
2 - T39
8 - DR200
2 - DR250
9 - T24
6 - T45
1 - Auto Tuba

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Bill Fitzmaurice
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Posts: 28966
Joined: Tue May 02, 2006 5:59 pm

Re: auto tuba plans?

#2 Post by Bill Fitzmaurice »

No changes other than more driver recommendations. Recommended tens are the Dayton DCS 255-4 and LS10-44, Ciare HS251 and PowerBass S-1004.

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Seth
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Joined: Thu Sep 10, 2009 8:06 pm
Location: Sacramento, California, USA
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Re: auto tuba plans?

#3 Post by Seth »

Joe, send me a PM. I'll send you an MCM driver for whatever the shipping cost is.
Build in process - 2 WH6, one Alpha 6a loaded, one PRV Audio 6MB250-NDY loaded

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

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J_Dunavin
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Joined: Sun Jul 09, 2006 3:13 pm
Location: Appleton WI
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Re: auto tuba plans?

#4 Post by J_Dunavin »

Thanks for the quick replies!

Seth, i sent you a message
2 - OTop8
2 - T39
8 - DR200
2 - DR250
9 - T24
6 - T45
1 - Auto Tuba

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J_Dunavin
Posts: 1279
Joined: Sun Jul 09, 2006 3:13 pm
Location: Appleton WI
Contact:

Re: auto tuba plans?

#5 Post by J_Dunavin »

Why oh why did I use Loctite on these 8/32 screws :slap:

All but three of them came out ok, had to get a little creative in getting the other ones out :chainsaw:
I just ended up using some much wider 10/32 t nuts and screws that I already had. Wood screws may have been better, but i only have one door on this guy and the t nuts are handy when your reaching around ... trying to blindly find the hole.


Thank you Seth, got the replacement MCM in there and we are back in business!
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2 - OTop8
2 - T39
8 - DR200
2 - DR250
9 - T24
6 - T45
1 - Auto Tuba

jimbo7
Posts: 875
Joined: Fri Dec 28, 2012 10:45 am
Location: St. Louis

Re: auto tuba plans?

#6 Post by jimbo7 »

I remember the agony of getting to the back screws on my first AT build. I then purchased a right angle screwdriver ratchet and all was well (easier at least). When I build my newest AT I made access panel on both sides. Almost a requirement and not much more work.
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

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