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High Efficiency Speaker Asylum Need speakers that can rock with just one watt? You found da place. |
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High Efficiency Speaker Asylum Need speakers that can rock with just one watt? You found da place. |
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In Reply to: RE: What variant of Karlson is that bottom photo of ? posted by Frank Mena on October 17, 2015 at 07:18:20:
designed by Diyaudio's TB46 (Oliver) for a 50 buck Infinity 1260W
and expertly built by Triticum Audio (Jesse Brunner)
it has beautiful lock- miter joints at its corners.
The plan calls for a round aperture but I wanted the pseudo K
aperture for aesthetics. The aperture edges are radiused - it can chuff a bit
with sine but suffices for music
Response
Plan
the "Karlflex" is Diyaudio's Matthew Morgan J's baby
and in its beginning incarnation has such a small front chamber
that there's no conventional K-aperture - just the opening
shown as "E" in the image below. It features a 1/4 wave harmonic smoothing
stub which also functions as part of the front chamber's volume.
The idea for a smoothing stub as I first saw it was from Ken Lehman who had a very long Nautilus tapered stub. I assumed a simple rectangular chamber would work. I think bandpass sims might get one into the ballpark but Matthew wrote an intense Akabak script which also includes a third/optionlal parasitic chamber - something like a parallel 6th order bandpass box.
Karlson Evangelist
Edits: 10/17/15 10/17/15 10/17/15 10/17/15 10/17/15
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Follow Ups
- RE: What variant of Karlson is that bottom photo of ? - freddyi 11:33:15 10/17/15 (0)
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