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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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I have written somewhere that 2 years ago I was fascinated with a notion of intellectual equation many ingredients of perceived Sound into one universal formulation that would objectively evaluate performance of a playback system. It was a very...
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I have written somewhere that 2 years ago I was fascinated with a notion of intellectual equation many ingredients of perceived Sound into one universal formulation that would objectively evaluate performance of a playback system. It was a very...
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Part 1 - Introduction
A few weeks I was sitting at Boston-shore of Charlse River, was looking at the passing water, was smocking my long and cheap cigar and played in my mine the first movement of Beethoven Third. I was thinking about S...
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[quote user="el`Ol"]Why not more semi-active speakers with high-sensitivity mid/treble and transistor-powered bass? [/quote]… and it is very important do not overlook this difference. Multiamping is fine but is it severely suffer in case of different...
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Last 2-3 weeks I’ve been corresponding with a new reader of my site who sent me a few weeks back an email with a question:
“Romy, I read your comments about TTH and about “absolute tone”. Are you basically taking about timbres?”
That question made ...
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[quote user="Romy the Cat"]From where I am staying Injection is not debatable. What dubious is - the methods of Injections. The large panels of Layered Sound has own advantaged and own disadvantages. I was considering in past to use another Red injec...
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[quote user="haralanov"] My comment may look too simplistic, but it is not. The frequency response is not self contained entity, because it shows the energy balance of the Sound. So you can have flat energy balance of good Sound and you can have ...
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Well, whatever you do with your loudspeakers of with you whole playback system is kind of irrelevant if your drivers are not right. In my view the drivers are the very much heart of playback but in case of High-Efficiency and particularly horn-loaded...
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From the above-linked 6moons’ site: Publisher's comment:Layered Sound as demonstrated at Marja & Henk's during my short visit consisted of running their Avantgarde Duos and the Model Ones simultaneously, the former inside at dominant volume...
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To get 17W per KT88 in SE, I think it must be pentode or ultralinear operation. Triode-connected in A1, I think a KT88 can only make 10-11W max (plated dissipation limit is 44W.) So it probably uses feedback, but that is still not automatically a b...
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I was thinking about the throat of my hypothetic midbass horn. This is complex, controversial and it has pretty much no answer, at least in the formeat I ask it. I will share my thoughts with you. Let pretend that I went for exponential midbass profi...
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[quote user="Romy the Cat"]From the above-linked 6moons’ site: Publisher's comment:Layered Sound as demonstrated at Marja & Henk's during my short visit consisted of running their Avantgarde Duos and the Model Ones simultaneously, the forme...
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[quote user="Romy the Cat"]I was thinking about the throat of my hypothetic midbass horn. This is complex, controversial and it has pretty much no answer, at least in the formeat I ask it. I will share my thoughts with you.
Let pretend that I...
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I've been kicking around the Stupid and Lazy Version of this for some time, where one simply runs two different, "characteristic-[un]matched" drivers on the same frequency band. Oops... So, why not the same drivers pushed by the same amps that a...
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The absolute tone is a relative term in term of tonality but not in term of absoluteness. If the word “absolute tone” does not make you to feel comfortable then I would suggest using a meaning of “tonal potential of playback”. Still, “absolute tone...
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My original post asked: "Do you love Bartók?" - maybe you'd missed that?It was eluding to the famous novel's title by F. Sagan. Bartók's concert was just one of his compositions I'd listened too when writing the OP.Your response indicated to me that ...
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This type of the “time alignment” has as much to do with time alignment as if they whistle into the horn and observe the re-entering echo. What they do is perfuming the ritual dance in front to the loudspeaker that called “trade show ballet”. The Sit...
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James, I am not familiar with those drivers. You might inquire at the sites that specialize in audio archeology, like AudioHeritage.com and others. They most likely know who made for Yamaha that driver. However, there are a few thighs that I wo...
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[quote user="stevie7V"]… they can be used effectively in parallel with the main speakers and running about 5 or 6 dB quieter. I use them with a separate amplifier and adjust the volume until I 'just can or can't hear them'. At this level,...
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John, I see where you go with it. I afraid that I will not be making my drivers – I have no idea how to make them in order them to sound the way I need. I have no problem to design and to make 4" exit compression driver or to undertake a project to r...
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[quote user="morricab"] Because I don't accept your basic premise of a new sound from scratch that's why. [/quote]Well, you are perfectly entitled to don't accept it, many would not accept it the concept, even more people would not understand it. Sti...
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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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The notion of coordination in MF & HF tandem is very important. I do not even think that they need to be the same. If the MF and HF drivers have the same topology then they still are not the “same”. A HF will be much smaller with smaller and ligh...
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Actually Jorge brought a valid perspective: the HF that are crossed at 5K are not the same as HF that are crossed at 10K. The point is that in a playback that crossed at 5K one can’t talk about HF as a self contained expressive tool as in that type c...
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Yep, thanks.
I still do not know why you feel that I will not exploit the “ringy dustcaps” on the Malaysian bass drivers; in fact I never gave up on this idea. I preliminary concluded that my MF channel might not go lower then 700Hz but I did not sa...
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[quote user="drdna"] The very fact that if you are close enough to the array that the integration fails, thus it proves the issue exists. [/quote]
Hmmmm, the issue exists, yes it does; but I would like to point out that it is necessary to recognize ...
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[quote user="peter foster"] The TU-X1 sounds to me as though there is a dolby processing happening even when the dolby feature is off. [/quote]You might check if your country decoding switch is not in a wrong setting. It located at the very top of th...
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[quote user="serenechaos"] How were the Macondo's Axioms arrived at? By listening? [/quote]I would encourage you to read carefully the following page:http://www.romythecat.com/MacondoAcousticSystem.aspx[quote user="serenechaos"] I am wondering ...
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[quote user="manisandher"]Thanks for taking the time to share your thoughts - I really appreciate this.
I'm trying to understand your idea of Severe Mass Deficiency Syndrome. How tightly correlated is this to a speaker's impedance curve? The D...
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