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Davey T's 215 bootybass - WITH PLANS
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davey t View Drop Down
Young Croc
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Joined: 11 March 2004
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    Posted: 10 June 2009 at 11:22am
EDIT: I've changed the name from scoop because as stapier pointed out its not really a scoop and might confuse people. I've called it bootybass because its designed for this 12v system - cars have 12v - cars have boots - its almost small enough to fit in your boot. hence bootybass. haha.. its late and the name and the cab is work in progress :)

----------------------------------------------------

Designed to be a really easy to build and cheap to load general use bass unit with extremely high efficiency. Uses two Fane Sovereign 15-400 drivers at around just 50 quid each!

I designed it as part of the 12v system I'm working on and will start building the prototype tomorrow. I thought I would post the plans for all to use and build. 

55-200hz at 104db 1w 1m (simulated). The cab is made from 18mm ply and is 60cm high OD





Edited by davey t - 10 June 2009 at 11:14pm
Minirig portable soundsystem movement
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levyte357 View Drop Down
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Joined: 10 May 2004
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Points: 11743 		Post Options Post Options   Thanks (0) Thanks(0)   Quote levyte357 Quote  Post ReplyReply Direct Link To This Post Posted: 10 June 2009 at 11:51am
Originally posted by davey t davey t wrote:

Designed to be a really easy to build and cheap to load general use bass unit with extremely high efficiency.


Much appreciated, Clap

Very decent of you sharing such a gem.

And I'm sure you can already guess, what some of us will be comteplating it for... LOL


Edited by levyte357 - 10 June 2009 at 11:52am
"Who am I? I'm the guy who does his job.. You must be the other guy".
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bitzo View Drop Down
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Joined: 20 November 2007
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brilliant and so compact at all. Could you post the hr input data?

Thanks for share.
United Roots SoundSystem site
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king david View Drop Down
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Points: 1324 		Post Options Post Options   Thanks (0) Thanks(0)   Quote king david Quote  Post ReplyReply Direct Link To This Post Posted: 10 June 2009 at 12:13pm

very nice plan, look easy to build

what about using a 15" midbass driver (not subwoofer)to use it on 80-200 hz range?
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biotec View Drop Down
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Points: 2932 		Post Options Post Options   Thanks (0) Thanks(0)   Quote biotec Quote  Post ReplyReply Direct Link To This Post Posted: 10 June 2009 at 12:18pm
I thin the porn in speakerporn is why my work firewall stops me viewing the plans!
 
can anyone be so kind as to rehost on imageshack.us?
me so horny, me love you long throw.
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davey t View Drop Down
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Points: 1428 		Post Options Post Options   Thanks (0) Thanks(0)   Quote davey t Quote  Post ReplyReply Direct Link To This Post Posted: 10 June 2009 at 12:28pm
hang on .... i'm modifying the design slightly to reduce the 70hz bump and make it go a bit lower. I'l call it the MK2 :)

So indecisive aren't I!
Minirig portable soundsystem movement
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mobiele eenheid View Drop Down
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Points: 1568 		Post Options Post Options   Thanks (0) Thanks(0)   Quote mobiele eenheid Quote  Post ReplyReply Direct Link To This Post Posted: 10 June 2009 at 12:40pm
I think you should measure it before you do that. The measurements on the last hybride I build showed that it did go 10 Hz lower then HR predicted. The bumps were also less high but wider.
 
Best regards Johan
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levyte357 View Drop Down
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Points: 11743 		Post Options Post Options   Thanks (0) Thanks(0)   Quote levyte357 Quote  Post ReplyReply Direct Link To This Post Posted: 10 June 2009 at 12:49pm
Originally posted by davey t davey t wrote:

hang on .... i'm modifying the design slightly to reduce the 70hz bump and make it go a bit lower. I'l call it the MK2 :)

So indecisive aren't I!


Please dont lose anything off the top end. I'm wondering about trying to cross this into Hornloaded 10" + 1". Embarrassed


Edited by levyte357 - 10 June 2009 at 1:19pm
"Who am I? I'm the guy who does his job.. You must be the other guy".
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davey t View Drop Down
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Points: 1428 		Post Options Post Options   Thanks (0) Thanks(0)   Quote davey t Quote  Post ReplyReply Direct Link To This Post Posted: 10 June 2009 at 2:09pm
Thanks Johan..  yea things always turn out slightly differently to HR predictions. I'm going to build the second version with the smaller mouth. Simply because the horn/port tunes the chamber to 50Hz instead of 60hz which tells me that its going to go quite a bit lower and low is always good :)

Plans for both are on speakerporn. 
Minirig portable soundsystem movement
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Meat View Drop Down
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Looks like a double version of the new beyma design.
Don't test the champignon sound
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Points: 3064 		Post Options Post Options   Thanks (0) Thanks(0)   Quote james folkes Quote  Post ReplyReply Direct Link To This Post Posted: 10 June 2009 at 3:05pm
is it me or does that bear a more than passing resemblance to a trs218?...
 
i'm quite liking the look of some of the sovereign series, not least of all as you say for the price. the sovereign pro 15-500 looks really handy too, but it has a cast chassis and that so may be quite a bit more than the 400.
 
james.
mardy hippy.
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king david View Drop Down
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Originally posted by davey t davey t wrote:

Thanks Johan..  yea things always turn out slightly differently to HR predictions. I'm going to build the second version with the smaller mouth. Simply because the horn/port tunes the chamber to 50Hz instead of 60hz which tells me that its going to go quite a bit lower and low is always good :)

Plans for both are on speakerporn. 


 
 
what about a single driver version?
 
should i make the 46,7 cm panel 60cm long?
 
when my mates and me move hog scoops, smt212 and heavy amps we'd like to have a lighter upper bass bin...Wink
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