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Old 22nd July 2013, 12:35 AM   #1
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Default Tappedhorn with 18Sound 18W1000

Hey,
First i am sorry for my english ^-^

I am a german guy, who is leanring to build Tapped horns. As my first one i want to build this one:

Plan request: A Traped horn to go from 35(ish)-120 w/RCF L18P200

I found this plan, im not sure if his folding is correct.
I recalculated S1 to S4, but im not sure if the directions are correct.

Here ist Hornresp Mask, and Sketchup modell

Click the image to open in full size.


Can somebody help me?
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Old 22nd July 2013, 07:19 AM   #2
epa is offline epa  Netherlands
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hi there
i posted the plan a few years back.
i can't open the second link you posted(please repost)
so i simmed the w1000 ,it seems that the first sections should be narrower ,to get less ripple.
looking forward to see you plan/sims
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Old 22nd July 2013, 03:17 PM   #3
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i cant open my own link ^-^

heres the direct one Directupload.net - xgdw4w58.jpg

If you want, you could download the Sketchup model
File-Upload.net - 18STappedhorn-Final.skp


The Sketchup model is exactly what i want to build as a protype
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Old 22nd July 2013, 05:13 PM   #4
epa is offline epa  Netherlands
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looks alright to me.
s2 being around 640 sounds about right for this driver.
make shure to post some pics
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Old 22nd July 2013, 05:24 PM   #5
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Okay ty,

maybe you know some people, who can rate this calculation?

ill post pictures, ill use audaphon pro 12 as top an EV15L Pro Series II as kickfillers.

I want a TSA 4/700 for those horns, what do you think about it?
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Old 22nd July 2013, 05:28 PM   #6
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btw. im not able to fold this horn to make it less higher, i cant find a way.

i am able to fold horns, which a completly designed by me, but dont se any way to fold this one.

Can you fold this one?
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Old 23rd July 2013, 08:10 AM   #7
epa is offline epa  Netherlands
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what do you mean by rate?
is this the audiophone pro 12 you mean?if so ,it looks like it doesn't need a kick bin,(if the grapf is tru)
maybe you can set the ev for extra bass?
if you wan't a lower squarer box you can make a double fold.something like the pal 12 (but for 18")Click the image to open in full size.
i'm sure whe can figur something out.
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Old 23rd July 2013, 03:52 PM   #8
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Yep this is Audaphone pro 12
okay this folded one could work, ill try that.


I got two Mivoc AWX184 in 230Liter Bassrelfex for a littlebit more bass ^^
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Old 23rd July 2013, 04:24 PM   #9
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i think there is now way for me to "double fold" it, an 18inch speaker is too big for that.

the way from S1 over the middle part and down to the bottom is minmal 100cm, then the way over this whole construction to the end is minimal 200cm.

when i try to doublefold this horn i get a 1m x 1m x 0,6m tappedhorn with 388cm hornlengh...


i think i will build the high and uncomplicated construktion ^^

Last edited by wBorchers; 23rd July 2013 at 04:33 PM.
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Old 23rd July 2013, 05:25 PM   #10
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^??
This is an 18" tapped horn using stepped up/down folding for much more path length than you propose....

Tapped Horn TH-121 build

What size were you thinking of as your maximum dimensions?

Yes it is rather large, but that's one of the requirements when building a proper tapped horn. Not an undersized, poor performing tapped horn.

Last edited by m R g S r; 23rd July 2013 at 05:37 PM.
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