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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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Romy,
Funny stuff... especially the the AN piece. Equally surprised octopodes ? Brilliant !
As for the Bruce Edgar post ? Not as funny. And it's off base.
The Titan II system has a straight axis upper bass horn instead of a folded upper bas...
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Last week I spent a few hours at the scene of NY’s Stereophile Show – HE 2004: a half-day on Thursday and 2 hours on Friday. As many other audio-shows it had many semi-ugly colorations, however as any audio shows this zoo trip brought it’s own “inter...
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I have 2nd order crossover both on the upper knee of the ob bass section and on the lower knee of the midbass section. My measurements show phase response and the summed spl is as good as it can get. Have you tried the direct servo technology or do y...
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Now I have been listening the different crossovers trying to shape the new Macondo general balance. This is so fascinating ceremony that I do have a lot of fan. The things doing alone very well. I boosted upper bass and it worked now very-very well....
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This is my first horn build effort. Been thinking about this since starting to build loudspeakers and finally have a listening space big enough to support a horn system. This is where I am at now, I know there are opportunities for improvement. And I...
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Romy wrote:"...The material itself – what to use. I am wide open from any type of wood to synthetic panels (like cement panels). Perhaps it might be a combination of organic and synthetic layers..."I realize you won't be doing the work yourself, but ...
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[quote user="ayebee"]If you look at the original Bionor drawings (you can find them at klangfilm.free.fr) you see that the "bass" horn is actually made out of two sections, the outer is curved, the inner is conical and expand both horizontally and la...
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(Note: I've neither seen nor heard these speakers)
Cessaro ALPHA:
TAD TD-4001 2" driver on tractrix horn with 56cm bell (approximately 250Hz). TAD claims response from 600-20KHz. Given that the midbass is essentially a direct radiator (theref...
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Paul, Alinco magnets perfectly able to drop a charge "just like that" and I presume that it is what happened. If cause the environmental difficulties would not do it alone, at least for that time. Over winter I had output tubes worn up on both amps a...
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I have no experience with bass horns, but I suppose that any sound source into a given size room can excite its modes, hence a big bass horn or a line array of boxed woofers can be equally annoying in that regard. So if the idea of using horns is to ...
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Well, it unquestionably much better, still I am afraid that they are trying to spread one ass across two chairs; I will talk about it in the end. The change from what was before was around the frame and upperbass horn. It looks like the guys are tryi...
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With that big horn covering such large frequency range I feel there would have a hole in the mid-range, or in the upper-bass. Not that I am supposing the information is not there, but it should not to be in there with reasonable "quality".I had not i...
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[quote user="skushino"] Bottom exhaust.
Could keep it simple and fire straight down onto the floor. I think
there are benefits to adding a very robust floor platform beneath the mouth,
maybe with a reflector, similar to Bruce Edgar's Seismic Sub...
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Yes, the crossover looks fancy :) More than that it does the job. The vacuum caps are only for the tweeter and the upper-mid beryllium. Still they are bridged with micas as they wont do much alone. Adding vacuum caps smoothens the transitions and sou...
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[quote user="haralanov"] Some time ago I also thought my upper bass channel is flawlessly integrated, but when I added another, symmetrically arranged UB driver (over my WR driver), I quickly understood the new configuration is MUCH more expressive a...
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Excellent news regarding this morning's discoveries. jd wrote:"...Are you able to say whether the problem is due to the horn position relative to the room, or to throat diameter relative to the driver diameter?..."Yes, a stupidly phrased question, bu...
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Well, as uselessly the host who did the interview is an
idiot but it is nothing new. The music played is idiotic as well, there is
nothing new in there as well, the high-end audio today is made to play this
music. A few short words about the desig...
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Romy wrote :"...Do what I did. Stop experimenting with horns and begin to actually USE your playback..."If I am in the house and not sleeping, the system is on."...If you still have an itch to “think horn” then insult others about their wrong horn mo...
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Hey Romy... you could be right about the ALE's.. I certainly did like them, but when I went back to that familiar recording it was definitely shelved down low.. it would be easy to assume that I thought that they were "lightweight" because I had...
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Hi all
Romy wrote:
"The next post will combine subject of upper bass drivers and upper bass horns. It will be “THE PROBLEMS WITH HORNS: UPPER BASS”
Please be advised that I recognize bass as something that should be reproduced by 2-3 c...
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[quote user="guy sergeant"]I meant the upper end of the LF horn response. Firing it downwards at the floor as they do and then expecting good performance at 200-300Hz in the listening position is a tall order. There may also be some confusion where ...
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Hello Romy,The tapped horns were easy to construct so I made them while I was working on the midbass channel. I can't really comment on how good tapped horns are because I have never heard other 20-35hz capable systems... it does provide amazing SPL'...
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Ming, did you consider to hang your upper bass horn that screws everything up at the very top of the room and then nicely position the MF channels according to the rules of time alignment instead of the rules of warehouse storage? You might also cons...
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Let me start with a correctoin :Jessie Dazzle wrote (post dated 09-28-2007):"...So the 180Hz horn is currently handling two octaves (electronically), the 400Hz horn is also now handling only two octaves (electronically)..."This should read as fo...
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Can I have some opinions on a potential mid-bass driver for my Altec 515s, as pictured in the attachement? What are the obvious or potential problems I should address?see attached photo: 120 Hz - @800 Hz.For the Altec 515 such a horn should be ...
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jd wrote :"...Obviously, with a horn this big you will want to rotate the template, and leave the assembly stationary... The challenge will be to make sure the rotation template is RIGIDLY mounted at both top and bottom, and is held in...
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[quote user="Jorge"] I dont expect any big changes on my system with them, but i want to be surprised![/quote] If you have a good 10’ driver then going with the same horn to 4” and 8” Fane will give you some advantage. You will pick up some EQ at low...
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My minimal distance between front of the upper bass horn and listening position is irrelevant as I set the proximity not according the upperbass but according a vertical shifting of HF image. Under a normal circumstances I might be as liitle as ~7.5”...
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because floor josts support and extend the walls (they are solid 2"x6")so just screwed the board tightly to them. Because I needed the boards only within 10' so I have 3 rows of 5' +5' with the seam in the middle. I cut the second layer of bards so ...
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Interesting. I wonder whether I actually did the Pussy- or Wilson positioning.I found 4 tiny hotspots around the whole room (for one specific vertical position). The boom areas were large (or perhaps there were many boom areas, close together?),...
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