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3-way speaker with bandpass woofer

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fidodido View Drop Down
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    Posted: 20 February 2006 at 4:41am

Hi,

I was brainstorming about a new speaker design.

I came up with the following drawings:
bandpass1

or:
bandpass2

3-way sytem with 6th-order bandpass system inside.

15" bass
10" mids
 1" highs

Now the design should be worked out yet.

any ideas if it might work?
What drivers would you recommend for this?

See ya,

fidodido

 



Edited by fidodido - 20 February 2006 at 6:28am
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Centauri View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Centauri Quote  Post ReplyReply Direct Link To This Post Posted: 20 February 2006 at 10:00am
ARX here in Australia did something like this quite some time back (although used a 12" horn loaded mid), and it is now discontinued.  Although both vents are in the lower section of the box, one of the chambers extends right up the back similar to your sketch.  I have one of these in my shed at the moment I have to do work on for a client.

pdf brochure is here

Cheers
Graeme
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Post Options Post Options   Thanks (0) Thanks(0)   Quote _djk_ Quote  Post ReplyReply Direct Link To This Post Posted: 21 February 2006 at 5:16am
djk
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Post Options Post Options   Thanks (0) Thanks(0)   Quote MixMan X Quote  Post ReplyReply Direct Link To This Post Posted: 21 February 2006 at 5:41pm

Trouble is, it's gonna be huge! how are you going to get the mids and tops up high enough? surely it's going to be way too big and heavy to go on a stand?

 

 

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freddyi View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote freddyi Quote  Post ReplyReply Direct Link To This Post Posted: 22 February 2006 at 1:04pm
fidodido - what drivers and BP6A bandwidth/sensitivity have you examined for this combo? (Fitz's omni seems ~BP4)

you might have to do some vent tweaking
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fidodido View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote fidodido Quote  Post ReplyReply Direct Link To This Post Posted: 09 March 2006 at 3:09pm

I just found a nice midtop from "AG AUDIO PRO". It uses hornloaded 15" bass, 10" hornloaded mid and a compression driver.

Looks pretty good:

AG AUDIO PRO

See ya!

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james folkes View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote james folkes Quote  Post ReplyReply Direct Link To This Post Posted: 09 March 2006 at 7:01pm
that's a nifty little box, fidodido. i'm liking the looks of the 15" section, but
you've got to wonder what putting the hf in the mid horn is going to do.
point source goodness or interference badness?

graeme, are arx well thought of over there? local boys and all... i picked up a
bargain quadcomp mkI a few years ago and i have to say it's been superb for
the small amount of live work i've done and most of the time as a post
crossover tool in sub and bass channels. i miss do that with the ultradrives,
it's got dynamic eq but i find them clumsy.

james.
mardy hippy.
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fidodido View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote fidodido Quote  Post ReplyReply Direct Link To This Post Posted: 10 March 2006 at 3:35am

Originally posted by james, ind.st james, ind.st wrote:

that's a nifty little box, fidodido. i'm liking the looks of the 15" section, but
you've got to wonder what putting the hf in the mid horn is going to do.
point source goodness or interference badness?

I know what you mean. Think the hf driver will interfere the mids. Also the crossoverpoint mid/high will be pretty high as the hf driver has such a small horn.

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Post Options Post Options   Thanks (0) Thanks(0)   Quote LunchieTey Quote  Post ReplyReply Direct Link To This Post Posted: 10 March 2006 at 7:48pm
I like the coax driver mid/horns used tn the new EAW speakers, wonder if a coax driver would work on a reasonable mid flare?
Speaker addict
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