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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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There are at least three benefits of using a compression chamber in a tapped horn design.1.) When using push-pull woofers with a compression chamber second order distortion is cancelled. This effect is very audible. You must hear it to understand...
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One of the emails that I receive is very interesting. The author warns: “...when experimenting with throaths I found that if the compression is big, near 2 or higher you get some big, smooth, unfocused aqualung sound. You are never scared at listen...
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[quote user="op.9"] That 18 Sound ND2060A looks very interesting to me. And would fit in with my silly philosophy of only using currently manufactured components... [/quote]
That ND2060A does look very interesting. I never heard or even saw it...
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Romy, no doubt the following derives wholly from my ignorance on the subject, but I have not been able to get away from a sense of "variable compression" with any compression horns I have tried. By "variable compression" I mean that the compres...
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[quote user="Romy the Cat"]I will slowly upload, as time permits to write them, different posts on the subject of Ultimate MF Compression Driver. [/quote]This will be a bit controversial subject among the compression drivers users but it is only ...
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The “best midrange comes from compression drivers”. I see somebody like Haralanov would be very much opposed to this comment. The irony is that I would be opposed as well to this comment. I would say that the best midrange at over 107dB sensitiv...
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The best midrange comes from compression drivers, it has that minuteness, transparency and dynamics that no other topology can offer; the main problem with them is that they only cover a very specific mid frequency ran...
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[quote user="Paul S"]The fact is, all orchestral processing/recording/broadcasting involves some sort of "compression", so it's really just a matter of how it's done.[/quote]This is true in a more complete sense than I think was intended.Aside from t...
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Thanks, rogier this is very nice of you to post it. So, it is Concertgebouw conducted by Nikolaus Harnoncourt, live. Very interesting. I will be listening it tomorrow. Does this station has the page that future all Concertgebouw concerts? I found th...
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Nope, it was not a joke. For sure it is not the “whole point in a compression driver” but it is very much derivative from the compression driver design and anything that a compression driver has on back is irrelevant and impact only resonance frequen...
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Andy, my mind does not operate by the categories you employ, I rather think about nature of Sound not about harmonic/non-harmonic distortions. The whole subject about the distortion is intricate, not to mention that it is not know if we in fact are a...
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[quote user="Romy the Cat"]Here I would like to have a thread dedicated to a hypothetical ultimate MF compression driver. Use the existing, know to you compression drives as references. Any thoughts? [/quote]I will slowly upload, as time permits to ...
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Yesterday I spoke with a guy at a Russian audio forum who reported that he played with addressing many problems of compression driver by pumping ferrofluid in the gap. I am not a big fun of ferrofluiding generally and in case of compression drivers i...
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[quote user="Gregm"] We may postulate that … compression is beneficial for soundstaging.[/quote]
... You are right and it is very simple to witness. A high dynamic range creates less soundstaging and more imaging. Higher compression kills imaging an...
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[quote user="Paul S"]Romy, no doubt the following derives wholly from my ignorance on the subject, but I have not been able to get away from a sense of "variable compression" with any compression horns I have tried. By "variable compression" I ...
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Hm,… yes and no. Inductance is not necessary an evil. Well, it is an evil for open-top-end drivers but you need to look at the life of compression driver all around and then you understand that inductance is not limiting evil. Sure with grow of diame...
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Here is another subject that many people would not understand, however some of the advanced Vitavox S2 user will be able to follow me.
The MF compression drivers hat go all the way to 12K-13K region all have own idiosyncratic way to present ow...
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Well, as I understand the iPlayer version is M4A files, which is low-loss compression of audio part of MPEG-4 video. It would be interesting to get uncompressed (I mean digitally uncompressed file). I also do not know that bits rate in that M4A compr...
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You said are lucky to get hornloading down to 150Hz. Then I guess you suggest you will end up at maybe 175Hz. Hornloading a compression driver down to 175Hz is not too difficult and the horn will not be larger than the Avantgarde Trio midbass horn, a...
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I would like to pass some summarizing observations and some generalizations regarding the entire “Water Drop” project.
THE IDEA
The idea of trying to find a tweeter to compliment Macondo was a good idea. Many of you know that I was proudly declari...
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CATEGORIES: 2100 - Mid and mid-bass cone transducers 2200 - Low frequency transduc...
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[quote user="Romy the Cat"]I will slowly upload, as time permits to write them, different posts on the subject of Ultimate MF Compression Driver. [/quote]
The subject of bandwidth for Ultimate MF Compression Driver is complicated subject. If ...
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I see, I misunderstood you, Robert. I was under impression that you “speak horns” and that you have lived with variety of horn-loaded playbacks and ideas and now you have decided to go for making your own compression drivers. If you did not and it wo...
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[quote user="Romy the Cat"]I propose that soundstage is a derivative property of compression. Stripping compression destroys soundstage, increasing of compression makes soundstage more tangible. [/quote] Yes, I have no argument with anything you have...
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A few days back a guy who began recently to use a power regenerators that eliminates a great deal of compression out of sound was reported that soundstage the he did not like did despair. In this thread I was advocated that “soundstage” as a surrogat...
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Pretty nice tweeter, probably a little less effcient that the compression driver.Very smooth imho....
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I also disagree. You circumvent the whole theory if compression drivers. The whole point in a compression driver is that anything in back chamber is irrelevant. Haralanov, all that you need to do is to make your own experiments, the practical exper...
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It is a shame that I keep finding threads about a 300Hz compression driver channel, that ends abruptly. I have been trying with a not-so-exact Goto S-150 replica (~1.7m deep, 75cm diameter mouth), and I know of another fellow in Sweden who tried the ...
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What really pisses me off is that my second arm/cartridge has a very strange effect that I did not see neither in this arm (Micro 282) not in this cartridge (Ortofon SPU Classic). I am taking about dynamic compression. In fact it is very seldom you c...
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[quote user="drdna"]Is it possible that a simple experiment can be done with cassette players and the Dolby filter since this equalization affects compression for example? Adrian[/quote]If you are referring to the "soundstage" quality of such playbac...
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