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Old 5th November 2012, 03:06 PM   #11
tb46 is offline tb46  United States
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Hi 3GGG,

How about using a wall, and placing the mouth vertically into the corners, here is an old doodle of mine about this concept.

Regards,
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Old 5th November 2012, 03:11 PM   #12
epa is offline epa  Netherlands
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Hi 3GGG,

How about using a wall, and placing the mouth vertically into the corners, here is an old doodle of mine about this concept.

Regards,
that would work .
sort of klipsh extension into the room
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Old 5th November 2012, 11:16 PM   #13
3GGG is online now 3GGG  Australia
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Hope to spend $1000 on drivers total. I am in Australia so shipping is expensive. I really do like the look of the pd1850 bit will look at possibly an eminence or b&c amongst others. the i option of starring I'm the top corner and putting a 90 degree bend in has a lot of merit and will explore this if I cannot get a suitable length from a single horn
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Old 6th November 2012, 03:27 PM   #14
epa is offline epa  Netherlands
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the hornpath for 25~30 hz wil be between 3 and 4 mtrs,depending on varius things.
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luckily i live on a few acres and the music room is freestanding with an outer and inner stud wall to keep the sound in. 130db would be about 30db overkill
you dont need a pd driver to get to 100 db
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Old 6th November 2012, 03:40 PM   #15
djn is offline djn  United States
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If it is a free standing room, how about straight horns with the mouth in the wall and the rest of the horn outside?

Like an outside version of these.

http://vincent.brient.free.fr/bass_horn.htm


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Last edited by djn; 6th November 2012 at 03:44 PM.
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Old 6th November 2012, 09:07 PM   #16
3GGG is online now 3GGG  Australia
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Big *** horns from outside would work ad I will look at this if the current shorter stand doesn't work or a single fold isn't suitable. I managed to get an old pc going and had a play with hornresp last night.
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Old 6th November 2012, 09:29 PM   #17
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Location: Mar del Plata, a BIG seasonal getaway city, can see the Ocean from our residence.
How about this, invert the horn putting the driver enclosure up high...almost wedged into the ceiling....the support structure doubling as a shelving unit.
This set-up frees precious floorspace....aim the horns forward towards the satellites you intend...keep the mouth some 3' away from the corner...letting the corner continue the expansion. ???

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Old 6th November 2012, 10:14 PM   #18
djn is offline djn  United States
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Very clever Rick. I like that idea. It would be like a big "J" horn and look really cool ta boot.
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Old 8th November 2012, 05:46 AM   #19
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Originally Posted by 3GGG View Post
The quest for clean bass to go with a 4 way front loaded horn system continues. As my listening room is 6m by 6m with only 2100 ceilings i am looking at building bass horns similar to the Le Cleach bass stands but split into 2 and running vertically. They need to do up to 100Hz, no driver are ordered yet but am open to suggestions, probably in the 15 to 18 inch pro driver range.

Has anyone built horns like these? Construction should actually be fairly straight forward, lots of framing, bendy ply and dampening.

How do I model this in Hornresp, i assume i set the diameter to double what it will be and the flare termination to 90 degrees? Any help modelling this would be great, as a mac user it is difficult to get to a pc to use hornresp.

Excuse the 3 minute sketch, it only shows one horn but though it may help.
If you want to build a horn that's very very shallow, it's tough to beat a Paraline.

Click the image to open in full size.

A Paraline that's 16' x 8' goes down to 35hz, yet the depth could be as little as 6"-12". (Basically the *volume* of a Paraline is the same as a conventional horn, but the *depth* is very very shallow.)

Check out my thread titled 'square pegs' for details on how to build one.
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Old 8th November 2012, 10:37 AM   #20
3GGG is online now 3GGG  Australia
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Can anyone get this spreadsheet to plot the curve? If i input the yellow cells i get nothing on the grid

http://nicolas.davidenko.perso.sfr.fr/outils/cylind.zip
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