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Mini Karlsonator (0.53X) with Dual TC9FD's
Mini Karlsonator (0.53X) with Dual TC9FD's
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Old 18th June 2017, 10:12 PM   #2021
xrk971 is online now xrk971  United States
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Mini Karlsonator (0.53X) with Dual TC9FD's
K aperture will smooth polar so that beaming is very minor effect. The aperture forms an acoustic lens.
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Old 20th June 2017, 01:30 AM   #2022
xrk971 is online now xrk971  United States
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Mini Karlsonator (0.53X) with Dual TC9FD's
Quote:
Originally Posted by EmuMannen View Post
You are right, not only a zero too many but also a missing five. Correct scaling factors:
  • H: 0.5979
  • W: 0.5370
  • D: 0.5282
Any luck with he build yet?
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Old 20th June 2017, 06:23 AM   #2023
EmuMannen is offline EmuMannen  Sweden
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Any luck with he build yet?
No not yet. Vacation in a couple of weeks. Hopefully get the time to clean out the shop and build a couple. But I am intrigued by several projects right now. I would also like to try the W5-2143 in a Decware DNA Horn.

Biggest problem though, a wife "get rid of at least a pair before you build anything new" embargo in full swing...
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Old 20th June 2017, 01:01 PM   #2024
xrk971 is online now xrk971  United States
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Mini Karlsonator (0.53X) with Dual TC9FD's
I have a detailed Akabak model of DNA I should simulate it.

Decware DNA Horn

SWMBO's Second Law of conservation of audio...
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Old 20th June 2017, 02:35 PM   #2025
zman01 is offline zman01  Bangladesh
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Mini Karlsonator (0.53X) with Dual TC9FD's
Quote:
Originally Posted by EmuMannen View Post
Biggest problem though, a wife "get rid of at least a pair before you build anything new" embargo in full swing...
Quote:
Originally Posted by xrk971 View Post
SWMBO's Second Law of conservation of audio...
Resistance is futile!
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Old 20th June 2017, 05:00 PM   #2026
boswald is offline boswald  United States
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Mini Karlsonator (0.53X) with Dual TC9FD's
This is why you need a stash of junk speakers(take out the one good part you got it for)!
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Old 21st June 2017, 05:45 PM   #2027
EmuMannen is offline EmuMannen  Sweden
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Originally Posted by xrk971 View Post
I have a detailed Akabak model of DNA I should simulate it.
That would be really cool. I am playing with the idea of flipping them 90 degrees making them side venting with a wider baffle. I am also playing with the idea of putting two drivers on that wide baffle (looks like there could be enough room). I might even make a foam board prototype just to get an idea of what it would sound like in my listening room...
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Old 21st June 2017, 11:54 PM   #2028
xrk971 is online now xrk971  United States
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Mini Karlsonator (0.53X) with Dual TC9FD's
Jim in the DNA thread built prototype out of XPS foam board.
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Old 22nd June 2017, 06:59 PM   #2029
EmuMannen is offline EmuMannen  Sweden
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Originally Posted by xrk971 View Post
I have a detailed Akabak model of DNA I should simulate it.
One question I have is how a horn design responds to multiple drivers? I guess it's not as easy as twice the Sd -> twice the volume or anything like that. I really like the small form factor of the DNA horn. So let's say it sound great with my W5-2143 but SPL is not enough in my (fairly large) listening room. I currently got my pair of W5-2143 assisted by a pair of subwoofers. I would love to get rid of the subwoofers and maybe a horn (or TL) could fill in the low end but I guess I would still be stuck with low volume background music. Not a big problem but it would be nice with some extra SPL...
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Old 22nd June 2017, 09:58 PM   #2030
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It's not so simple with BLH's - needs to be simulated and the sims are quite accurate. A rule of thumb is to pick two drivers so that their sum Sd is about the same and sum Vas is the same, assuming Qts is the same. So sticking two W5-2143's in a DNA probably won't be ideal, but this is where the sim can help. I can adjust width of cabinet which increase Vas and allowance for larger Sd. Worst case is a cabinet that is twice as wide.
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