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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="Kerry Brown"]Why preface my comments?[/quote] Because it helps to put your comment in objective perspective. It is internet and people express opinions without any tangible common denominators of reference points. I might make a comment ...
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[quote user="tokyo john"] I just stumbled on this thread, and am thinking about being your first customer.I am planning to move to New York from Tokyo end of this year - not just escape the nuclear radiation but to let my kids experience a different ...
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The $3.6K per pair, if they are good divers - the 2440 level, is a tolerable price for custom-made drivers. I presume that he does not include and PS into the price. My major question would not be about the drivers – the filed-coils are very simple d...
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Angelo
Great idea , why only big boys can make money on chinesse labor.
How about WE 555 copy ? It should be even cheaper than S2 .Why they could not make a diaphragms too?? count me for 2 pairs.I don't think Roman is interested in Audio distribu...
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[quote user="el`Ol"]I think they could could make the sound more pleasant with an overkill of second harmonic distortion. But for people who prefer that kind of sound a relax-horn like Anima would be better anyway. No real solution. Maybe they should...
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[quote user="Romy the Cat"] your diver might be a very good MF diver but it does not go to region where the “tizzing” live.[/quote]You may not believe me, but the driver start to roll off (very smoothly) after 14kHz and at 20kHz is at -6dB. I intent...
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Yes, for practical reasons, one side of an IB driver is usually "wrapped and sealed" to deliver lower frequencies from the other side, since it is generally impractical to actually make a baffle large enough to prevent sonic shorts. However, at high...
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Hi Paul,The Cogent diaphragm I have seen pictures of was woven carbon fiber with a leather outer surround. I have never listened to a Cogent 1428 but they must sound very good, at least Bill Woods and Bruce Edgar say so.Besides their overall ultra cl...
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[quote user="jessie.dazzle"] Color or opacity of the material in itself means nothing; it could very well be white, pink or have leopard spots (I'm betting you'd like that!), all independent of its physical characteristics. [/quote] Of cause the colo...
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Thanks Romy.Just for anyone else reading this, Mike Harvey (vitavoxhifi) has given me the following information...There are two types of S2 diaphragms: pre May 1972 (aluminium type with paper former - fitted standard up to serial 4940 and for about t...
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[quote user="gordan"]Roman,I don't think I've ever read your explanation why not 2482? We are all on a holy grail path to find a (somehow) available good compression driver that can go down to almost 200hz in domestic conditions and there are not man...
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I like those ideas for tuning texture, and would add the way the surround is done and how it is clamped/bedded, which might be relatively easy to control, maybe even on the fly (with some sort of cam, for example). So far, it seems to work best to "...
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Hi Romy:as I don't consider the thread as emptied, yet, I'd wish to add some thoughts after more days of listening to my system.I re-read an half-page chapter in French from Jean Hiraga's "Les Hautparleur" essay, concerning time-alignement and p...
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So, I guess you do not measure flux if are getting. You might measure sensitivity and we might presume what when perm magnets has the same sensitivity as electromagnets then the drivers have the same magnetic flux density. Let also presume that when ...
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The idea of making a copy of an s2 driver also intrest me, but i have some other ideas than just copying this driver.I have been thinking to make this driver with an field coil magnet a 12 volts (using a car or camping battery) and a 250 volts versio...
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About the 1250Khz secondary resonance: Romy wrote:"...My MF channel is crossed well above secondary resonance – at 3200Hz... I get my 1000Hz by gliding the filter-declining slope of the secondary resonance..."I know this... What I'd really like to s...
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Sorry, I do not share your sentiments with those 3 reasons. Below are my reasons.
[quote user="jessie.dazzle"] Three reasons:
1) To try high passing your upper-MF channel (S2 > 400Hz horn) above the 1250Hz secondary resonance assiciated ...
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[quote user="Romy the Cat"] Well, I have to admit that I did not listen the whole sound of AC vs. DC filaments yet. I will bring home today my DC lab supply that I use for my electromagnet coil and will give the try. I still at this point am not...
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[quote user="martinshorn"]i see the words time alignment quiet often in this forum Which is a good thing. But can you show a graph / measure that says what it means in a result?Or do you just mean the woofer is standing next to the mains?Cheers Josh ...
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[quote user="Romy the Cat"]
Someone stopped me at the Alexis Park and told me: “Romy, there is a new Israeli guy in town with his amassing horn. He has a room at the St. Tropes and you should go”. I was almost offended! There was a new horn g...
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[quote user="Romy the Cat"]I have a few comments and questions. First about the posting. I guess you are from Italy and your use some kind of text editors that user a lot styles that are not renders properly a browser with western meetings. I just wo...
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Someone stopped me at the Alexis Park and told me: “Romy, there is a new Israeli guy in town with his amassing horn. He has a room at the St. Tropes and you should go”. I was almost offended! There was a new horn guy and I never insulted him?!!...
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Nice work; bravo Mike! With regard to improvements to the S2: Apparently Romy's prayer, one of them anyway, has been heard and would seem to have been answered; a diaphragm-centering guide has at last been added. As for the rest (other improveme...
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Peter Empson from United Kingdom, the guy who use to run Unofficial Vitavox site and Forum has open a High-Fi shop in Aylesbury with a sentimental name “Deco Audio”. He sells the new production of Vitavox parts: The S2 drivers, the 15” woofer and...
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I.M. Distortion wrote : "...#1 from were you listen to system from you should be able to look down the throat of every horn in your system..."jd wrote : "...Hmmm......
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[quote user="anthony"] Romy the Cat wrote:Here is the list of the thing to do with Vitavox S2 in order to use it in 4-ways installations. The S2 must not be used in 2, 3 ways systems. It possible to do with S2 whatever you wish but pretty much any ot...
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[quote
user="martinshorn"] I already switched my priorities a view times.
From tonality, then resolution, to latest color (VO) but now i see its the
dynamics being the core of enjoying music with your heart. [/quote]
Well, I very much assure
you...
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[quote user="Romy the Cat"]Here is the list of the thing to do with Vitavox S2 in order to use it in 4-ways installations. The S2 must not be used in 2, 3 ways systems. It possible to do with S2 whatever you wish but pretty much any other way to util...
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[quote user="Romy the Cat"]So, I guess you do not measure flux if are getting. You might measure sensitivity and we might presume what when perm magnets has the same sensitivity as electromagnets then the drivers have the same magnetic flux density. ...
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I woke up and thinking about the horn problem with fresh head I am thinking what did wrong. I did not measure the frequency response of the horn – I did not see a need for it – the sound of the thing is way beyond where it needs to be measured. I dis...
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