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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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[quote user="Paul S"]Scott, is it your specific aim to configure an enclosure to "effectively" lower driver Fs? While this, along with an exponential increase in power, is a proven strategy for generating ULF, it seems like this approach creates more...
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I was slowly looking for a compression driver that would go in my Fundamental Chanel down to 200Hz. The YL Acoustic 550N attracted my attention. Then I realized that it is the narrow throat type of the drivers, aka WE555, not exactly that I would...
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Actually I got interest in the idea of having remote control attenuator on my ULF amplifier, I juts need to find a company who will be able to do it for me. For whatever reasons audio people feel bass channels have to have an attenuator. This is alwa...
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[quote user="de charlus"]In short, the driver units I allude to above are the best I have heard within their frequency ranges[/quote]De Charlus, would you please share how does ALE 45Super sound? I’m interested in several aspects: Does it change its ...
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Kerry, from what you have said so far, I am not surprised that you have gone whole-hog digital. I see that yours is an HT system. The first thing anyone here would say is, physically time-align your HF, although I suppose you "could" do that with DEQ...
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[quote user="Jorge"]Andrew you got to read the site, get into it, there is a lot of useful information regarding excactly the project you are going into, is there any difference if the threads are addressed to you or someone else? Most of them are R...
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[quote user="Johan Dreyer"]I call this the "pulsating room effect" Here there is a sensation of the air in the room actually pulsating to the sound.This is not boom but a sense of sheer energy being transmitted.Unlike music simply being played way to...
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[quote user="Romy the Cat"] noviygera wrote:I notice the same warming up effect on my system, takes a few hours. And I thought... could it be the speakers warming up? I tend to think that it is not speakers but electronics. At the upper MF my speaker...
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Hm you are true in the “terra incognita” territory as far as I concern. The preamps are mystery to me. All my attempts to make any decently sounding preamp or even buffer failed. To me Placette was truly God sent and if I got burned that I am looking...
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Something fun to think about is that the length of this sort of cable can change the sound, due to internal "reflections", this sort of thing. I've read a lot about it, as it affects the "communications industry", and laboratories, and it gives me he...
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[quote user="Romy the Cat"]It is a strange felling I have after reading it again. I feel like somebody cooked a beautiful and superbly testy meal, using the most refine cooking techniques and the best ingredients and then, a person took this entire m...
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Hi,[quote user="Romy the Cat"]it is highly possible that you are correct but it was exactly the point of my in initial post - the people worship the clock upgrades but 99% of then just throw in the new clocks, or do exactly what I did. [/quote]And I ...
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Dear Romy,I suggest the following, if you are interested: Select three recordings of varying quality; copy ten minutes of each of the three recordings to Redbook CD; send to me by air mail the CD that contains three ten minute tracks; include i...
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Last week a local audio guy come to my place to listed some music and I played to him my Wand’s Bruckner 4 in video room. With all “phenominality” of the performance I need to confess that sound was horrible. The guy did not complain, so I did not st...
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[quote user="drdna"] Romy the Cat wrote:First of all I need to admit that I do not believe to people who claim that Purepower produces noise. My units are completely silent and I know other people who have completely silent Purepowers. I have no doub...
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There is nothing in playback system that is as devastating as remote control. A remote control is something that easily converts a listener into a zombie audio-Moron™ – thanks God the there is very fertile contingent of candidates among audiophi...
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Romy , I don´t think this is a typical ups unit , but a little more advanced than a typical ups . I think typical UPS does not have double-conversion , at least here in Chile . Note that Pure Power claims "via double conversion technology ..." in som...
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Hi Romy,The notion of DPoLS as you describe is of course very intriguing... that there is a piece-of-rice sized speaker-location in the room where the sound and more importantly the listener's interaction with the music is magnified, orders of ...
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Mr H,I had a look at your drivers on your links - very interesting! Wish I could hear your work there, I can imagine it is rather special.That said, I must address a couple of your points:1) The safety issue:Dave is about the most "sound uber alles g...
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We know that distance between a listener and live source in a concert hall creates HF attenuation along with adding of reverberations, changing harmonics/overtones balance and so on. Loudspeakers are in a way exposed to the same rules. If we conditio...
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There was some kind of hi-fi show in Gernany and it looks like Cessaro showed off a new version of Gamma. They look like change the frame. I really do not like what they look now. They look heavier with new frame and much less elegant. They looks lik...
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[quote user="berlinta"]People call me after listening to a system with a vinyl front end that included one of my arms. They liked what they heard, that's it. But I don't shy away from direct comparisons to other top contenders. [/quote]
Frank,...
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Yesterday, I finally got around to replacing the Schottky diodes in my unit with some original edition Fairchild "Stealth" diodes, so named because they are supposed to be "undetectable" in the circuit with respect to noise (unlike the Schottkys). ...
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Romy, IMO that post is worthy of the "My Year in Audio" thread. It is "funny" to me how we have such "creative upwellings", and it can seem so mysterious and so profound to contemplate what we have achieved in light of a now-morphed state of mind/a...
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Thanks Romy for interesting article, I like it.excuse me for bad english :)I think our perception is a wonderful universe and it can focus on objects in outside. target of this focus across time will change our brain state and it's response will be d...
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speaking for myself of course I am not in agreement with that. I have hundreds of records and the one mentioned seemed the outstanding example. May that be as it is, and getting back to your cooking and apples, the one example mentioned is one VERY s...
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If to compose oneself, the Reality is a restless, moving awareness that does not stay satisfied. How much is "improvement" and how much is change-for-itself is not so easy to judge at any given time. Horns or direct drivers, we want to create and r...
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[quote user="rowuk"]Hi Amir,your english is just fine.I think that there is an additional factor that your formula needs. Sense of pitch is not determined acoustically by "Q" unless we are talking about pure sine waves. When we add the overtones foun...
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As late as the 1960s every self-respecting hi-fi nut had a "secret recipe" for "speaker dope". My own guru would not give me his exact recipe for speaker dope but insisted that developing the stuff was a rite of passage I had to go th...
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[quote user="Romy the Cat"]First of all I need to admit that I do not believe to people who claim that Purepower produces noise. My units are completely silent and I know other people who have completely silent Purepowers. I have no doubts that the p...
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