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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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It is not surprising that the subject of horn is as screwed as the subject of drivers. It is understandable as driver must be made for specific horn loading, not one make drivers properly, so what the horns are made for?
A horn is a very simple dev...
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Somebody "KCCT82" from Devil Audio site posted information about own installation.
Channels:
TAD ET-703 compression driver <12k-20k> (107db 8 ohms)TAD TD-4002 compression driver on 400hz tractrix <1.9k-12k> (110db 16 ohms)GOTO...
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[quote user="Romy the Cat"]
Any LF acoustic system has two SPL levels: the SPL of pressure and the SPL of tone.[/quote]Ahhh! Very good Romy. I don't recall you talking about Pressure and Tone SPL before. The tapped horn can be designed any 3 ways....
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Hmmm, are you sure that you do not do a mistake?
Jessie, I do not know how to say it but looking at your last picture something does not work for me. The hone that you made are elegant and graceful but painted in glossy black with that very rough st...
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[quote user="serenechaos"] By “midbass horn” I’m talking about a horn with about a flare frequency of about 60 Hz, to use with Fane 8” drivers, to start with.
(Was planning to use this horn from wherever it sounded best, try...
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One more thing I would like to add: what if despite of the oversized throat problems we have a task (as you, NL, proposed) to use the overthroat horns (overthroat - horn with oversized throat size, let it be one more Romynizm). I think the dealing wi...
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There is a guy named Ad in Netherland who makes looks like aluminums (but I am not sure) horns for 1.5 inch compression drivers. The first picture it looks like an exponential: W=39cm/15.4Inch. L=45cm/17.7Inch.
I do not know if Tractrix and the Fren...
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Ok. I have some very good results to report. I've been stuffing my midrange horn (250hz lecleach with BMS4592nd-midrangeonlyversion) with some 20-hole-per-inch open cell foam. As per Mr. Geddes. Its not coming out. 1. I can now play louder with no sh...
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This article was written by Johan Dreyer in 2006 posted at AA and the reposted recently at a Johan's local South African forum:
http://vinylsa.co.za/forum/viewtopic.php?t=1016
I desided to give to the Johan’ thoughts some exposure at the horn-citri...
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Romy,
It's good to have all this info in one post.
Regarding N° 5 :
"5) Horns shell have a sufficient mass properly projected to a given channel’s LF boundary and the horn’s mass should be properly distributed within a horn."
I have seen a lo...
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I half of my site dedicated to bitching about the problems with time alignment what it is imposable to do by pure real-estate efforts and a lack of clarity how it could be resolved properly. Sine this subject is the prominent for any horn user I deci...
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Hi everybody,Anyone heard of these horns:http://www.bahnsenengineering.dk/models.htmInstead of using some costly, low resolution RTA, here is a free alternative:http://www.libinst.com/SynRTA.htmand Audio DiffMaker (signal difference extraction softwa...
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Hello again, Romy.. let me see if I can clear some of this up....
first, you are indeed correct on your horn thoughts.. but some clarification is in order...
Ming Su is the importer of GOTO to the USA... Goto Japan only ships horns from flar...
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Check this:http://www.haigner.com/http://www.theaudioeagle.com/columns/column04.html...
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Thanks RomyI appreciate your advice re non single bass horn.When you say, 'good luck with a smooth response from 25Hz,'...does that mean it's not possible to get a smooth response...or, it's not so important to get a smooth response...?A friend sim'd...
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Thanks The CatI'm posting the pics of the build as I progress so people can see and pass on ideas, that's all. Are you suggesting you don't want horn projects shown on your site? I had earlier outlined the design, including cross-over points etc.I as...
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more pics(How do I add multiple pics...?)...
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Bass horn sub now fitted underneath, with false shelf added for the righ hand side mid bass horn.
The extra height is good....90cm to floor for tweeter, 110cm for the mid horn.
Just a nice BIG wall of sound...wit...
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Hi James,
Theoretically a straight 33 feet long mono subhorn with the drivers at one end of the room and the mouth exiting the floor at the other end would probably cover from 10Hz to 30Hz with no problem, with the apropriate drivers.
I don't hav...
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Regarding vertical convergence :
I have often wondered about the effects of arranging horns vertically, such that their output converges relative to each other, toward a single point at a given height above the floor. I have seen Wilson Audio do...
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As I learned today the Australian Martin seddon know as the Azurahorn Guy has a web site and he also does horns:
http://www.azurahorn.com/azurahorn_tradesecrets.htmlFrom Martin’s site:Azurahorn is best described as a long term audio project, funded ...
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What surprises me that no one express interest to the idea of making a bass horn with a fifteen incher. Many people did it, many peoples what to do it and most of their efforts were not successful sonically. The really is that to make a good sounding...
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[quote user="jessie.dazzle"] Romy's comments on "axial rotation" of the horns (meaning in this case, angling the horns) has me thinking. I had planned to build in a vertical tilt adjustment for horns located near the floor and ceiling... I woul...
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Here it is, where the Cessaro folks should look and learn. Their cousins: The Berlin-based Martion Company produces Orgon system. The Orgon design and implementation are erroneous in many ways, however the Orgon system is 4-way playback with active c...
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If your wording reflects a plan to pre-fab the horns on the ground (or maybe even in a shop...), then good for you.IMO, it would be FAR preferable to pre-fab the horns on the ground, drag them in through the double doors, winch them up (look at any o...
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You have to have a table saw to build horns. Preaching Horn Religion MSAUDIO...
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Yes, to have an overlap between drywall and horns with drywall layer extended from horn for a few mm is my leading idea. Still I do not have a final solution yet and am conspiring options. How does it sound? I have no idea. I understandably have a lo...
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[quote user="guy sergeant"]Is there no way to smooth out the visible steps in the latter part of the horn's expansion or would you prefer not to?[/quote] This is very interesting one. Yes, there is a way to smooth out the visible horizontal steps. Th...
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The paint has dried and the plugs from throats are removed. The horns are officially opened. BTW, they sound like shit. The Cat...
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[quote user="Romy the Cat"]I woke up and thinking about the horn problem with fresh head I am thinking what did wrong. I did not measure the frequency response of the horn – I did not see a need for it – the sound of the thing is way beyond where it ...
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