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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 8th July 2019, 11:59 AM   #3361
tooppy is offline tooppy  France
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I am quite glad to see some of you get interested in this Karlson enclosure.
Could it be a first step to get into the real Karlson family which has far more to offer than this little "adaptation" of a bright design !
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Old 8th July 2019, 01:51 PM   #3362
xrk971 is offline xrk971  United States
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Mini Karlsonator (0.53X) with Dual TC9FD's
Quote:
Originally Posted by sthcoaster View Post
I know I've seen instructions here somewhere but can't find them - I remember seeing a pic of cutout etc for the dual 3FE25 model. Just built the baffle for the TC9FD's as per MuddJester but the bottom driver doesn't fit.

Can someone please direct me to the relevant post/s?

Thanks

Clayton
Post 3342 and 3345 on previous page has plans by jhofland in 3D Sketchup format. Those are plans used for my last 2 builds.

The mudjester plans should work - just move the holes for the drivers around until it fits. Alternatively, you can extend the baffle board a little bit longer - it wonít affext the sound.
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Old 8th July 2019, 01:56 PM   #3363
xrk971 is offline xrk971  United States
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Mini Karlsonator (0.53X) with Dual TC9FD's
Quote:
Could it be a first step to get into the real Karlson family which has far more to offer than this little "adaptation" of a bright design !
If what you mean by real Karlson as the 1955 15in Karlson, this is a different speaker since being a ML-TQWT with Karlson aperture, is in my view, much more universal as it can be made smaller than 12in driver scale and still have a lot of bass below 100Hz to provide warm rich bass. The original Karlson doesn’t have any bass when scaled smaller than 12in. The effect of the K aperture on the sound dispersion is the same though. So in many ways, the Karlsonator is better than the original when used with smaller enclosures which are easier build and use since not so physically dominating. It sounds great too as can be seen by the popularity of this design.
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Old 8th July 2019, 02:37 PM   #3364
sthcoaster is offline sthcoaster  United Kingdom
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Mini Karlsonator (0.53X) with Dual TC9FD's
Thanks > Saw that just after my post went out - I've got SketchUp so will have a look at that plan

I've also found Skylar88 plan for 2x 3FE25 in post#2859

That will be this evening's activity

Quote:
Originally Posted by xrk971 View Post
Post 3342 and 3345 on previous page has plans by jhofland in 3D Sketchup format. Those are plans used for my last 2 builds.

The mudjester plans should work - just move the holes for the drivers around until it fits. Alternatively, you can extend the baffle board a little bit longer - it wonít affext the sound.
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Old 10th July 2019, 08:09 PM   #3365
freddi is offline freddi  United States
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a "sticky" explaining the original Karlson versus its diy variants (Karlsonator, Xki, KaZba) attributes might be useful. Karlson's K8 was tuned ~95Hz. A Karlsonator 8, ~41Hz. Karlson's K12 ~62Hz. GregB's Karlsonator(12) 37Hz.

Perhaps Metro Audio's T15 would be viewed as an XKi.

The K-tube is one very good sounding HF device imo.

X - I'd like to see a Karlsonator10 sometime. Beta10cx is dreary compared to good FR but perhaps
with good crossover work, could do pretty well. Karlsonator12 was just too big for a 10" plus imo, tuned too
low @37Hz for Beta10CX. Tumning around 50 could be punchy - if no paaking. A good 10 and K-tube would be
anohter option.

Last edited by freddi; 10th July 2019 at 08:22 PM.
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Old 11th July 2019, 12:42 AM   #3366
xrk971 is offline xrk971  United States
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Mini Karlsonator (0.53X) with Dual TC9FD's
The new Karlsonators are finished. Custom tinted lacquer front apertures.

Mini Karlsonator (0.53X) with Dual TC9FD's-818e61c8-423a-4556-b2ab-47f9782f91c4-jpg

Mini Karlsonator (0.53X) with Dual TC9FD's-0dd320b9-fec0-4f3b-9bdc-f155f0ac6834-jpg

I am also getting another set of apertures made in black Duratex to allow a change of scenery, as required.
Attached Images
File Type: jpg 818E61C8-423A-4556-B2AB-47F9782F91C4.jpg (93.5 KB, 525 views)
File Type: jpg 0DD320B9-FEC0-4F3B-9BDC-F155F0AC6834.jpg (98.0 KB, 336 views)
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Old 11th July 2019, 12:47 AM   #3367
CraigSu is offline CraigSu  United States
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Looking great, X! Did you use the melamine sponges on the inside of the aperture? If so, could you post a pic?
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Old 11th July 2019, 12:55 AM   #3368
xrk971 is offline xrk971  United States
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Mini Karlsonator (0.53X) with Dual TC9FD's
The inside of aperture has a layer of foam core and inside outside chamber and inside of box has melamine sponges - just like how I did the last one. Pics already posted pages back. I forget where but it’s there - on the jhofland built speakers.
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Old 11th July 2019, 01:23 AM   #3369
CraigSu is offline CraigSu  United States
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Quote:
Originally Posted by xrk971 View Post
The inside of aperture has a layer of foam core and inside outside chamber and inside of box has melamine sponges - just like how I did the last one. Pics already posted pages back. I forget where but itís there - on the jhofland built speakers.
Found it! Post #2954 Mini Karlsonator (0.53X) with Dual TC9FD's

Great interior pics that really show the usage of the foam core and melamine.
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Old 11th July 2019, 03:14 AM   #3370
freddi is offline freddi  United States
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Gee - that's really elegant and pretty at the same time. Perhaps a little klam sub would be fun. Here's one done by Carl's kid - maybe 15 or more years ago. I can't tell from the poor picture resolution if that's the passive radiator facing forwards or not. It provided bass for the 4 (8-10 I guess) Scan-Speak 10" variovent flanking speakers.

Click the image to open in full size.
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