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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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A friend of my after reading my comments about the EdgarHorn installation in Vegas (in here) asked me why do I think the bass in Bruce’s room behave as it behaved. I tried to think about it. Some of those thoughts intersect with some other projects t...
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I dont want to hack this thread into TH, I tried them with sub-amps 150 watts and they didnt sound good, but I was using a passive preamp, when I added an active preamp things started to get better, now with 12 watts and a a lot of gain, bass is ama...
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My Freudian subject line is not just phraseology but something that does make a lot of sense to me. It is my sentiment that audio people are not familiar with proper bass reproduction and have wrong expectations how bass shall sound by playback. Expe...
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Paragon-You missed the point. The topic of this thread relates to bass horns inside residential homes. My post remarked on CH Audio's unique approach to solving this problem. My comments were unconcerned with listening to this speaker, perceived b...
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I downloaded and the listen the Shostakovich's Fifteenth Symphony at 192K. It is digital forum, so I will talk juts about sound. I did not see any advantage over what I described above. However the Shostakovich and Mozart’s Haffner Symphony has absol...
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[quote user="Romy the Cat"] .... I was/am afraid this effect too. I discovered it a few years back when suddenly my bass picked some odd harmonics. After a few days I realized that the harmonics came from an acoustic guitar that was sitting in my lis...
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[quote user="Romy the Cat"] noviygera wrote:p.s from my experience of having a 500 sq. ft. listening room with 7 ft. ceiling and having two 18" woofers in a infinite baffle configuration, it is not enough to pressurize the room. I am talking about lo...
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I haven't really thought this through, but if I were doing upper-bass horns again, especially if cut using a numerically controlled router, I might consider making tham oval, which would permit going for a horn with a lower cutoff (larger mouth) whil...
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I did not make my mind about it but I have some “concerns”. Using SS amps and hearing different SS amps I do not like their bass and the notion of a powerful enough DSET to be able to drive ULF in A1 was born. Sounds logical. However, recently I ...
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moreart,It is the theory that you feel comfortable with but I am not. If you compare a radiation from a single 40Hz transducer and a dipole 40Hz transducer then you will recognize the differences. Also, you look at the 40Hz but I ma talking about a ...
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In considering integration of my own mid-bass horns, and how I'd ideally like to do it, I too passed by the underground, up-firing solution, and very much like this approach. I do however have a preference for inverting the concept, resulting in a do...
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After a lot of extremely pleasurable listening and reviewing own expectation for bass I went down with my bass level quite significantly. I rolled back the change in my bass amp gain and not I am at 5th click, which is about 12 dB down. So, not I am...
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Richard, I absolutely agree with you that dipole provides a masking affect from many problems but along with illumination of the badly reproduced bass dipoles inject into music a common denominator of… dipolenisness….. and this something that ...
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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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Mani,
I would leave the subject of DSET/horn setup for another thread and would drop a few words about Zu Druids. They are not the speakers that I would ordinary comment but since I have a local guy with Zu Druids and I had a chance to hear th...
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A friend of my told me a couple months back that CEC introduced a new version of their top of the line transport. It was kind of strange as CEC was abandoning to manufacture TL0 for years, or it was at least what they were claiming. Then I thought th...
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[quote user="peter foster"] I mention this because your comments about Playlist 07; Song 02 and Song 03 are difficult for me to reconcile. On my system the upright bass is heard with very fine detail and all of the complex harmonics that follow...
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I've managed to make my own room treatments thus far, all bass oriented and although some broadband absorption has been used the bulk is effective 30hz - 500hz. It is an architectural type of solution where I have a covered the front and side walls...
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I've meant for some time to add a few shots of the ULF channels. Here's the first one; the photos were taken at my old place.Sized to fit through the door of the elevator (barely).Baffle and lid cut with diamond blade.Getting that lid up to seal the ...
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Hi Romy and all,
first of all, my name is Henry, with a "Y". due to an Irish grand-grand-grand father called "O'Henry". the O' was deleted when my grand-grand father was born, due to a silly servant of registry office. :-) all my horns uses the calc...
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Another few months and the guy from Moscow have another change: http://www.soundup.ru/index.php?option=com_content&view=article&id=4296:2014-01-09-11-48-09&catid=91:2013-&Itemid=111 The text shall be translatable, even though I was no...
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This is very interring subject for me to think about. I even mounted 901 on another arm of mine as I would like to explore this topic more. Even though Jubilee is not broken-in yet but it is clearly that it has “less bass”, that last sensational “spa...
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I am looking into building a 45 tube SET amp and I keep reading about how important a good output transformer is. I read that cheaper output transformers like Hammond can be okay for mids and highs, but it will also reduce bass performance. If on...
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[quote user="clarkjohnsen"]Middle C is 256 Hz, high C is twice that -- hence we have what musicians call "the melody range", roughly 200-500 Hz. That ain't bass![/quote]Actually it is. It is what I call upper-bass. The upper bass and bass are totally...
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Hi all,In my experience it is VERY hard to get anything resembling realistic bass from a vented box, particularly with a Q of around 0.9 or 1. There is too much stored energy in the system and too much overhang. The best bass I have heard...
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[quote user="Paul S"]Your point about relative levels is well taken. Still, the typical concert grand piano, for instance, does about a 27 Hz fundamental, as I recall (and certain pianos go rather lower), and some other instruments are not far behind...
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Miab, since what I became an expert in cables? I am as much as anyone else – a subject of accidental discovering...
I do not use in Injection Channel any fancy cables. There is not a lot of need for it. The Injection Channel is mixed with M...
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[quote user="haralanov"] Romy, the actual sound benefit of this 4-channel upper bass configuration, is rather in the type of sound presentation. The commonly used single upper bass horn (or direct radiator) sitting under the midrange horn, gives the ...
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[quote user="skushino"]ScottL,It looks like the two pics you posted are of different systems, the first being slot loaded PP, and the second (full-system) showing a "traditional" IB. You also seem to be confirming my intuitive hunch of potential sou...
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While it is rare that any component under "review" will be panned outright, it is not uncommon for the "reviewer" to refer obliquely to the component's flaws. In some cases, the flaws may even be presented or offered up as "features", or it may...
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