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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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LOW FREQUENCY DIRECT RADIATOR DRIVERS
411A –18Hz, 93dB, sealed box414A - 99dB, 30Hz, Alnico, cloth416B – Alnico, 97dB, 25Hz, cloth416C – 16” version of above with Ferrite416Z - 12" version417C – 100dB, 69Hz, Alnico, 1.3T, 12”418B – 100dB, 55Hz, Alni...
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Hi Romy
Yes, I think the toughts behind the Le Cléac'h flare is interesting.
I don't use them myself, however. And I don't use tractrix either.
But I do use a digital crossover.
cheers ;)
...
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I constantly contacted by the visitor of my site and some people that I know me in my none-internet life inquiring me who could build horns. Ironically, despite the simplicity of the task, if a person has a clear idea what he is willing to accomplish...
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[quote user="hagtech"]Sorry to steer away from Harley, but have you Horn guys ever tried different flare terminations? That is, the boundary condition where the mouth and room meet. I once saw some interesting stuff done on large radio an...
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Hi all
Yes, the thing with midbass/upperbass horns , as Romy states, is that those horns are usually built to be too short. You might actually be better off using the driver in a sealed box.
For example, look at the size of a typical upper midra...
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Excerpted from:http://www.volvotreter.de/pics_plans.htm
Design Basis Summary
total horn length (incl. back chamber) shall not exceed 1,00m
the horn shall have conical approximation of a hyperbolic flare contur with m=0.6
the horn shall have a...
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One thing to bear in mind with the bass horn delay - I thank Tom Danley for explaining all this a while ago - if I understand it right, a small direct radiator (ie small in relation to the wavelength - which will obviously be the case with ...
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Jim, I know who Earl Geddes is. I think a couple years back we exchange a few emails where his attitude was that although he appreciate and mostly agree with some context of my site but he is not wiling to acknowledge it because he was afraid that an...
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Hi all, They look fantastic! I've been talking to Martin recently about some horns for my S2s and he mentioned he was developing some 160Hz horns. I guess these must be them! I already have some of the smaller 340Hz Azuras, but they have 1" thr...
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hi Romymy name is Angelo. I am swiss/italian, live in brazil the last 10 years . I grew up assisting my father buiding speakers and comercialize them in small numbers. I where listening for many years on Klipschorn replica with altec 416-8b...
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Since I speak French, and since I deal with plagiarism everyday, and since NOTHING pisses me off more, I phoned Phil Mundi to ask him about the unothorized use of your artwork on his site, and if this act was representative of the level of fidelity o...
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[quote user="Purite Audio"]…. dual skinned carbon/fibreglass horns, which are filled with a liquid polymer… [/quote] Wow, this is new. I never even though about it. We fill hoe with sand, tape it with wax but I very seen or hear of anybody make horns...
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I do have platy of space and the LF section for K-Horns might
be a very interesting idea to try. The Vitavos was dese to use in the UK replica
of K-Horn. I never liked the K-Horn too much as they always project imaging that
is “flat” in the wall. ...
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Actually, you are the only know to me person who understood my “misuse” of word “Tractrix”. The Altec metal horns are a nightmare and that is one of the reasons I can’t even remotely approach any default Altec installation. I addressed it in here: h...
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[quote user="MusicLover"] 1. In room flat response at the listening positions [/quote]
Sure, this is very essential it it done proporly.
[quote user="MusicLover"] equal decay at al lfrequencies off axis [/quote]
This is mostly a properly of ...
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[quote user="MusicLover"] IF you can "hear" SS amps, Romy, then your system must not be well set up, and be sensitive to the frequency shifts caused by tube amps. SS amps have NO sound that humans can hear. [/quote]
MusicLover, could you elab...
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Ronnie,
Very nice, though I do not know where you would like me to move the thread. (It looks like it’s OK where it is). There are some comments that I might to pass.
You decided to go for a large MF driver. This is fine if you like it but I ...
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[quote user="Romy the Cat"]...my light woofers would not be the optimum solution and I might need to use 18”-24” woofers.[/quote]Hello Romy!At least for corner horns I think I can say that lightweight drivers are the better solution. HBM's corner hor...
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Firstly, thank you to Montepilot, Paul S, KLegind, zanon and Romy for all your thoughts on the Zu Druids. I recently tried high-passing the Druids at various frequencies and using a pair of Wilson-Benesch Chimeras and various amps for LF and uppe...
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I've had a long-time desire to replace my Edgar 80hz midbass shells with a better performing solution. My Edgarhorns arrived in 2005, and I made incremental improvements over the years until now they have little in common with the original Edgarhorn...
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This is the last article in the planed overview. Here I would like to cover options available among commercially available High-Efficiency systems. As you might expect it will not be too exiting.
In a ways commercial systems inherent all problems of...
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I.M. Distortion wrote : "...#1 from were you listen to system from you should be able to look down the throat of every horn in your system..."jd wrote : "...Hmmm......
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TSA Horns makes interesting horns, offered on ebay:TSA HornsWithin few months they will offer a 1 meter dia Tractrix horn with 4" throat.Regards,horny...
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{let just look at the horns: 60Hz-500Hz-15 kHz}What does this mean? THere seems to be three horns. Does the above mean one horn covers from 60Hz to 500Hz, the middle one from 500Hz to 15K and the last one from 15K to upper somewhere. ...
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…and I do not imagine the Santa is bringing me a new pair of horns at New Year. For whatever reasons people think that there are such things as “better horns”. Also, many horn people dream about “bigger horns”. Ironically I personally do not suffer f...
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[quote user="Romy the Cat"]
haralanov wrote:Just a short example: the horns with round mouth have the worst possible performance in terms of sound complexity and they are champions in achieving the so called “open, but closed within itself” type of...
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It sucks – whoever builds horns too damn far! I need to see my congressmen to lobby lowering taxes for horn users of something like this….
Anyhow, the “erenechaos” comments about the “soft bass" is a good sign, though of course to equalize the...
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Putting The Mid Bass horns behind your head will not work. This thread was about Mid Bass Horns Project, do you thank you will be able to use any frequency above 80 cycles with rear fired horns that are behind your head? That is a Joke. It looks more...
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Well, when we are talking about Cogent we need clearly differentiate two things: the Cogent’s drivers and the Cogent’s installation. The problem is that since Cogent’s drivers are something so called “compression drivers” then their performance might...
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Jessie wrote :"...In the case of the system I am building, one can happily sit straight in the firing axis of any of the horns without experiencing the above-mentioned unpleasantries... No cringing (and this while using the older metal diaphragms). T...
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