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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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I initially meant to put this post into my midbass thread (linked above) but then I decided that the subjects is self-important and it worth to separate in standalone thread. In fact this idea was formulated to months ago but I was holding to po...
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Sure, it is a matter of personal preference but to my taste anything shiny of glossy should not be used in horn or in audio… unless you are French of course :-) As far as I concern everything should be absolutely black, completely not glittery,...
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Murat,
I am not qualified to talk credibly
about Tapped Horns. I know that they get a lot of traction now around audio
people but I am, without listening a good example of it, am not so warm to the Tapped
Horn idea. The comments of yours that y...
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[quote user="haralanov"]I think you wanted to say reflection surface, not radiation surface, right? Radiation surface is the surface that is directly attached to the vibration creating element (the voice coil). So the radiation surface of the horns u...
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It is wrong to conclude from:
" By the way, the listening tests performed by Keith Holland confirmed that in blind listening tests of various commercial horns, the material, wood, metal, fibreglass, etc was not correlateable with perceived quality....
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Romy i read some time ago, you said wood horn with a certain porosity on surface is best sounding. I doubt abought that, as i thought the differences of finish ore even material would affect sound in a way no perceivable. today i saw a thr...
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I ran today some numbers for the triangle horns. In the best case scenario I hope my attic would allow me to make two triangular horns 4 by 6 feet. I did some very preliminary math and concluded that 4X6 triangle will allow me to do what I want. Take...
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[quote user="Romy the Cat"].....the idea of the triangle horns with some kind of location of the drivers is what I was thinking as well. [/quote]Which kind of brings me to the thinking… if I do the triangular midbass horns then what shall I...
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Sure, it is a matter of personal preference but to my taste anything shiny of glossy should not be used in horn or in audio… unless you are French of course :-) As far as I concern everything should be absolutely black, completely not glittery,...
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Ok, I blamed the tweeters and MF drivers now the turn of the MF horns. The Mid Frequency Horns (I’ll them “MFH” from now and on) are the stinky like pieces of horn installations, and if they are not done correct then they screw up anything big time T...
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Though I have difficulties warming to the idea of the "headphone" arrangement for these horns, I do understand that we are talking about loading the room. Similar thinking lead me to consider setting large horns behind the listener in my own longish ...
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[quote user="rowuk"] There are too many great sounding shiny horns for this to be "generally" true.[/quote]
Rowuk,
To talk about shine vs. harry horns surface is very difficult as, in my view, people who talk about it do not have data that ...
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Hi BE,we may not be in disagreement at all. Sandpaper finish is not necessarily absorptive. I was more referring to popular HOM-treating methods like foam or using softer materials to build or coat the horn.I still have my doubts about how a rough su...
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I have read Romys post about the fine hairs and such but do not necessarily agree with the interpretation here. Romy always has a specific UseCase and makes very clear what he is after. He has often mentioned his search for interesting sound and even...
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[quote user="Romy the Cat"]It might be a good driver but the horn section of it is very much compromised to begin with. If I have it I would consider substituting the original TAD horn with my own spherical horn. It might be difficult as it might be ...
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[quote user="be"]
Horns are of course some kind of band pass filters with different kind of ripples at lover cutoff and beaming at upper cut off, according to horn type.Maybe it should be added that contributing to the horn sound idea, is that the...
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I have actually tried to roughen the surface of a glossy horn, witch did increase the horn size, and the effect was similar to painting it with a grainy paint, therefore I am sceptical your proposal that the heard effect was due to the dimmension...
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I tried to do a google image search, but nothing appeared, maybe Romy will share.I got to pondering what benefit having the surface textured may have. It seems the texture of sharkskin for example can reduce the surface suction.From the interweb:"A s...
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Since I started this thread I have received a number of emails from people bitching that I do not like this, criticize that and that they can’t figure out what I do like. I reply to them invariably – “Do not read my site as you are too much a Mor...
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[quote user="Romy the Cat"]
"...Jessie, I pulled posts from Macondo Axioms thread and encapsulated them onto a new thread dedicated explicitly to your project. I hope you do not mind..."No problem... I was actually starting to feel a bit apprehensi...
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Ric, I will not be using sand for decoupling. In fact I fill that sand is not good load bearing decoupler as I will have more or less point loading and sand will not work. I will be using sand for damping the horn surface, primary atop of the horn. A...
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[quote user="Romy the Cat"]Jessie’s comments about my idea to position midbass straight horns from basement, upper- firing and his warning that the horn will get converted into a giant garbage can made me to think. I did not think about it but it is ...
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Yes, I missed that detail. The room seems to continue to the right... so all bets are off.BTW. I noticed a Stereo Lab 1000Hz tractrix horn acting as support for the Goto expo. horn - kind of a pity because those Stereo Lab horn are very nicely made h...
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[quote user="cv"] Well, the Cogent (Steve Schell and Rich Drysdale) boys are building just such a beast: field coil magnet, (possible) permendur polepieces for >2T, Fs 70Hz, throat - dunno, but at least 3" dia, reduced compression ratio relative t...
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[quote user="Romy the Cat"]I very much do not want to sound like I am expressing sarcasm. [/quote] Romy, I don’t treat your comments like expressed sarcasm and I never did it. In my view, your site is the only place in Internet, where fruitful discus...
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Ygoh, Most of compression drivers have phase plug. A phase plug is very genomic center line oriented devise. A phase plug must be parallel to diaphragms and perpendicular to the axis of the driver. Practically all compression drivers have beggin...
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In reply to my post:
[quote user="Romy the Cat"] The epoxy carbon-kevlar and glass fibers staffed with damping? I wonder how more fun would be if they staff these hollow horns with sand, I would…. I had once an idea to have a very soft sand horn usi...
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Since your drivers would contain metal and your are mounting them in an unconditioned space, the warm air (in winter) from the conditioned space ( the listening room) would condense on the the first cold surface within the horns. The wood horn would ...
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Two things I see with that horn. The ribs will have an effect on dispersing internal reflections, positively I'm assuming.The second thing, the ribs are causing a fairly substantial increase in surface area inside the cone, it has the surface area of...
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