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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 23rd June 2017, 06:03 AM   #2031
EmuMannen is offline EmuMannen  Sweden
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Quote:
Originally Posted by xrk971 View Post
It's not so simple with BLH's ... Worst case is a cabinet that is twice as wide.
Makes sense, twice as wide would ruin the aesthetics of the DNA though and that would be a shame. So I will build them with one driver and maybe try out the idea of flipping them 90 degrees and compare side venting with wider baffle vs. the original design. I will not be able to corner load them and I am a bit worried that they might end up too close to the wall (I have no experience with back venting horn speakers so I don't know what to expect). The Karlsonator would be a better option in that regard I guess...
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Old 23rd June 2017, 07:13 AM   #2032
jwjarch is offline jwjarch  United States
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Just finished my first pair of Karlsonator tonight and had a quick listen. The Dayton PS95-8's I got for the build really sound great in these! Thanks X and everyone else that contributed, for the great design! I'll be listening to these a lot more.
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Old 26th June 2017, 04:03 PM   #2033
hammercha is offline hammercha  United States
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Originally Posted by freddi View Post
yeah - that's my L.Cap F6 - great whizzerless fullrange driver

I can't simulate the Karlsonator - Purple but X can with the following input

Def_Driver Wild Burro Purple 8
fs=68.5
Mms=7.82
Qms=4.80
Qes=0.770
Re=6.6
BL=5.08
Le=0.2mH
Vas=48.744
Xrk971,
Can you please simulate this driver?
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Old 29th June 2017, 05:04 AM   #2034
von Ah is offline von Ah  United States
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Finally got around to making a couple of little Karlsonators. These are the 0.4x with TC9FD. They sound amazing for their size. The dispersion pattern is perfect for my application, above the cabinets in my kitchen.
Thanks, XRK!
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File Type: jpg IMG_1129.jpg (513.2 KB, 423 views)
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Old 29th June 2017, 11:50 AM   #2035
twocents is offline twocents  South Africa
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Mini Karlsonator (0.53X) with Dual TC9FD's
Quote:
Originally Posted by von Ah View Post
Finally got around to making a couple of little Karlsonators. These are the 0.4x with TC9FD. They sound amazing for their size. The dispersion pattern is perfect for my application, above the cabinets in my kitchen.
Thanks, XRK!
Great stuff! I cannot wait to finish mine (also 0.4x with TC9FD) - cut some board last night, but no gluing done yet.

You gave me a good idea for how to place these speakers in my bedroom - Thanks von Ah.
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Old 29th June 2017, 03:48 PM   #2036
xrk971 is offline xrk971  United States
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Mini Karlsonator (0.53X) with Dual TC9FD's
Quote:
Originally Posted by von Ah View Post
Finally got around to making a couple of little Karlsonators. These are the 0.4x with TC9FD. They sound amazing for their size. The dispersion pattern is perfect for my application, above the cabinets in my kitchen.
Thanks, XRK!
Glad that it sounds good. It was a fairly easy speaker to make right? Sounds very nice given the low cost and time effort. Nice work on the construction.

I once mounted the 0.53x with dual TC9's upside down in the basement window well.

Click the image to open in full size.
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Last edited by xrk971; 29th June 2017 at 03:50 PM.
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Old 9th July 2017, 09:00 PM   #2037
twocents is offline twocents  South Africa
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Mini Karlsonator (0.53X) with Dual TC9FD's
Default A couple of firsts for me

My first post under my new user name. Finished my Karlsonators (0.4x with TC9FD) this weekend. So, this was my first speaker build and my first experience with full rangers. For years I have been reading and drooling over Lowthers. I might never get to Lowthers, but this project was my first baby steps in that direction. I had my doubts. Can a speaker be made with foam core? Can a 3.5 inch driver deliver sound better than my portable radio?

How do they sound? Simply amazing for the size of the enclosures and drivers. Imaging and detail in the midrange and up is really beautiful. They need a bit of help in the bass region, and that is why I planned a complimentary small sealed sub from the beginning. Here they are on the test bed (my dining room table) with the sub, being driven with a $12 Aliexpress TPA3116D2 2.1 amp (being used for the first time too). Such a low budget setup, but it sounds really really good.

I learnt in the process that my construction skills suck. Iíve never been good at woodwork either - I struggle to work accurately. Next time I will have everything laser cut. Soldering is easier and much nicer.

Thank you X and also MuddJester for the detailed 0.4X plans. I just had to convert those imperial numbers to more meaningful numbers.
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Old 10th July 2017, 12:19 AM   #2038
xrk971 is offline xrk971  United States
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Mini Karlsonator (0.53X) with Dual TC9FD's
Twocents,
Very nice work - great build quality. Not sure why you say you aren't neat. They look great to me. What was your old screen name and why did you change?

The TPA3116 is the perfect amp for this and a sub is a great idea. Maybe a 10in sub when you get a chance? Just get a cheap $15 woofer and it can work fine. A large 15in open baffle H frame is neat too. It gives deep bass if you sit nearby but won't bother people in next room.

Congratulations!

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Old 11th July 2017, 01:27 PM   #2039
jwicaksana is offline jwicaksana  Indonesia
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Hello all, if I were to build using MDF (plywood available locally is full of voids) what is the proper thickness? Thanks.
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Old 11th July 2017, 01:57 PM   #2040
xrk971 is offline xrk971  United States
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Mini Karlsonator (0.53X) with Dual TC9FD's
Just adjust the drawing to maintain internal dimensions. Off by a little it's ok - design is quite forgiving. Use whatever thickness you can get.
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