Klason & Strange, folded basshorn, acient design ? - Page 2 - diyAudio
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Old 12th May 2007, 09:01 PM   #11
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Default Klason Horn

Hello Empee,

The original Klason Horn plans are available on this page :

http://www.lup-berlin.de/archiv/Bausatz/index.html

Cheers.
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Old 10th September 2007, 07:37 AM   #12
Ivo is offline Ivo  Netherlands
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WOW!

I know about the Klason & Strange horn, but I didn't know there was a 12" version! Can you email me the article as well?

I recently built a Schmackshorn for a 12" driver. It's a backloaded horn of German origin and this particular version is cornerloaded. I built it out of curiousity after vintage horn designs and was not disappointed. Here's a Sketchup drawing:

Click the image to open in full size.

The horn very effectively uses the corner as an extension. It gives deep bass, while the actual cabinet is very small in comparison. Bass goes deep with full force, but the special cabinet material (softboard) absorbs resonances, so Bass also goes clean.

Here are the plans:


I really wanted to build a Klason & Strange horn originally, but I only had 8", 12" and 15" drivers available. I didn't have a design for a 12" Klason & Strange available, but I did have the Schmacksdesign, so I built that.

I'm really a frontloaded horn man, much more so than a backloaded horn man. If you coul email me the plans/article, I would be very greatful... AND probably build this horn.

Please? Regards, have a good mondaymorning.
Ivo
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Old 10th September 2007, 12:03 PM   #13
AKN is offline AKN  Sweden
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Hi Ivo,

I'm Glad that there is some interest.
Mail me and I'll send RT2 and RT3 plans to you.
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Old 10th September 2007, 03:49 PM   #14
Ivo is offline Ivo  Netherlands
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Hi Anders, great that you are still reading and replying to this thread.

I am a new member of diyaudio.com, so I am "under moderation". My posts are read before you can see them, and I don't have access to the email function yet. Anything to avoid abuse apparently, which I think is good.

Maybe we can try it like this:
v-2u<at>dds.nl --> (Replace <at> with @).

Thanks!!!
Ivo
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Old 10th September 2007, 06:13 PM   #15
Empee is offline Empee  Netherlands
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Hey Ivo,


You live in Amsterdam ?

Is there a chance I could come over and listen to your 12" schmacks ?

best benieuwd naar


Cheers,

Empee
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Old 10th September 2007, 09:14 PM   #16
Ivo is offline Ivo  Netherlands
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Hi Anders, thanks!
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Old 10th September 2007, 09:14 PM   #17
Ivo is offline Ivo  Netherlands
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Hoi Empee,

Yeah, I live in Broek in Waterland, which is just north of Amsterdam.

Of course you are welcome to visit, but I am in the middle of system tuning etc. There's not much to listen to at the moment. Just a lot of promise...

I have a hummy and hissy graphic EQ in the Schmacks signal chain and there's a midrange resonance in my mid/high horns. I have ordered parts to build the right filter for my Schmacks and am drawing a better midrange horn as we speak, so it'll be fixed soon.

Let's agree to be in touch. You have my email. Like I said, you are very welcome for a visit. I'm curious to find out what someone else thinks of my system.

BTW, I hang out at the zelfbouwaudio.nl forum. As far as I can tell, it has the highest horn-density of the Dutch audio scene. You might enjoy reading it.

Ivo
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Old 10th September 2007, 10:30 PM   #18
AKN is offline AKN  Sweden
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Hi,

Ivo,
You're welcome!
New mail sent with the whole article.
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Old 10th September 2007, 10:50 PM   #19
Ivo is offline Ivo  Netherlands
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My provider has server trouble, so I'm not able to download my mail.

I guess I will the rest tomorrow.

In the meantime, here's a 3D drawing I did of the newer 10"version.
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Old 10th September 2007, 10:50 PM   #20
Ivo is offline Ivo  Netherlands
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Click the image to open in full size.

heh heh, getting to know the new interface...
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